Memorial Day 4-Miler 2026
2026-05-25 08:00 - 10:00 (America/New_York) | Rock Creek Valley School, 5121 Russett Road, Rockville, MD, 20853, United States
RACE OVERVIEW:
Kick off the holiday with MCRRC with our annual Memorial Day 4-Miler on Monday, May 25. It’s a nice, shady 4-mile race through Rock Creek Park – but don’t get too comfortable. An uphill finish awaits you at the end!

SCHEDULE OF EVENTS:
7:45 AM – Circle of Remembrance
7:55 AM – Singing of the National Anthem
8:00 AM – 4-Mile Race Start
8:05 AM – 1-Mile Young Run Start (more info below)

COURSE MAP:
A course map can be viewed here.

REGISTRATION:

MCRRC Members –
This race is part of our low-key race series and is FREE for MCRRC members. Race registration is not required for members; however, members must first signup for a 2026 bib & chip. Your bib & chip will be waiting for you at any 2026 low-key race. If you have a 2025 (or older) chip, please bring it with you to exchange for your 2026 bib & chip. If you are a new member, or no longer have an older chip, please remember to bring a $5 chip deposit with you. If you already signed up for a personalized 2026 bib, please do not sign up again – your personalized 2026 low-key bib & chip will be waiting for you at any 2026 low-key race.

Non-MCRRC Members –
Registration is open to non-MCRRC members at a cost of $22 (participants ages 18 & over) and $11.60 (participants under 18). This price includes the registration + processing fee. You may pay less in processing fees per participant if you add more registrations to your cart. Online registration will remain open through the start of the race, so you can register online before leaving the house or from your smartphone at the race site. Registering online before arriving to the race site is strongly encouraged. Non-members can register here. Bib and chip pickup will take place on race morning near the start area. Volunteers will be available to assist you.

YOUTH RUNS:
There will be no timing chips used for the youth series runs. The young run will begin at 8:05 AM and is 1 mile. The young run is free, but all participants must be registered by a parent or guardian prior to race day (members and non-members). Youth Run registration can be found here. Parents or Guardians do not need to register for the young runs to accompany your child. You are welcome to jump right in with them, if needed!

VOLUNTEER!
MCRRC is a volunteer organization and our events are fully staffed by the hard work of our volunteers. Without them, our races wouldn’t be possible. If you’re not running at this event, please sign up here to volunteer!

REFUNDS:
If you are a non-MCRRC member, and can no longer attend the race, please contact office@mcrrc.org so that we can transfer your registration to another MCRRC low-key race. Monetary refunds will not be provided.

Little Bennett 10K 2026
2026-05-30 07:30 - 10:00 | Little Bennett Park, 25900 Prescott Road, Clarksburg, MD, 20871, United States
RACE OVERVIEW:
This event features a challenging 10K loop course in Little Bennett Regional Park, Clarksburg, MD. Mainly single-track trail, hilly & rocky in places, the course starts and ends in the horse trailer park near the golf course on Prescott Road in Hyattstown.

COURSE MAP:
10K Trail Course

REGISTRATION:

MCRRC Members –

This race is part of our low-key race series and is FREE for MCRRC members. Race registration is not required for members; however, members must first signup for a 2026 bib & chip. Your bib & chip will be waiting for you at any 2026 low-key race. If you have a 2025 (or older) chip, please bring it with you to exchange for your 2026 bib & chip. If you are a new member, or no longer have an older chip, please remember to bring a $5 chip deposit with you. If you already signed up for a personalized 2026 bib, please do not sign up again – your personalized 2026 low-key bib & chip will be waiting for you at any 2026 low-key race.

Non-MCRRC Members –
Registration is open to non-MCRRC members at a cost of $22 (participants ages 18 & over) and $11.60 (participants under 18). This price includes the registration + processing fee. You may pay less in processing fees per participant if you add more registrations to your cart. Online registration will remain open through the start of the race, so you can register online before leaving the house or from your smartphone at the race site. Registering online before arriving to the race site is strongly encouraged. Non-members can register here. Bib and chip pickup will take place on race morning near the start area. Volunteers will be available to assist you.

VOLUNTEER:
MCRRC is a volunteer organization and our events are fully staffed by the hard work of our volunteers. Without them, our races wouldn’t be possible. Volunteers are needed for this event. Please sign up here to volunteer!

REFUNDS:
If you are a non-MCRRC member, and can no longer attend the race, please contact office@mcrrc.org so that we can transfer your registration to another MCRRC low-key race. Monetary refunds will not be provided.

Suds & Soles 5K 2026 ($)
2026-06-13 19:30 - 21:30 | Rockville Town Square, 30 Maryland Ave, Rockville, MD, 20850, United States
RACE OVERVIEW:
Suds & Soles features a great 5K course through downtown Rockville, a terrific post-race party where you can sample beverages from local breweries, and a commemorative mug. Proceeds from this event will benefit The Rockville Youth Recreation Fund and Youth and Beginning Running Programs of MCRRC.
See the race website for more information.

Run for Roses 5K 2026 ($)
2026-06-20 08:00 - 10:00 | Wheaton Regional Park, 2000 Shorefield Road, Silver Spring, MD, 20902, United States
RACE OVERVIEW:
Run for Roses is a special 5K race for women only and part of the Maryland RRCA Women’s Distance Festival Series. It also celebrates the achievements of the women participating in our training programs as well as all women in our community.
See the race website for more information.

Cross Country on the Farm Trail 5K
2026-06-28 08:00 - 09:00 | Agricultural History Farm Park, 18400 Muncaster Road, Derwood, MD, 20855, United States
RACE OVERVIEW:
This is a 5K trail series race beginning at 8:30 AM.

REGISTRATION:

MCRRC Members –

This race is part of our low-key race series and is FREE for MCRRC members. Race registration is not required for members; however, members must first sign up for a 2026 bib & chip. Your bib & chip will be waiting for you at any 2026 low-key race. If you have a 2025 (or older) chip, please bring it with you to exchange for your 2026 bib & chip. If you are a new member, or no longer have an older chip, please remember to bring a $5 chip deposit with you. If you already signed up for a personalized 2026 bib, please do not sign up again – your personalized 2026 low-key bib & chip will be waiting for you at any 2026 low-key race.

Non-MCRRC Members –
Registration is open to non-MCRRC members at a cost of $22 (participants ages 18 & over) and $11.60 (participants under 18). This price includes the registration + processing fee. You may pay less in processing fees per participant if you add more registrations to your cart. Online registration will remain open through the start of the race, so you can register online before leaving the house or from your smartphone at the race site. Registering online before arriving to the race site is strongly encouraged. Non-members can register here. Bib and chip pickup will take place on race morning near the start area. Volunteers will be available to assist you.

VOLUNTEER!
MCRRC is a volunteer organization and our events are fully staffed by the hard work of our volunteers. Without them, our races wouldn’t be possible. Volunteers are needed for this event. Please sign up here to volunteer!

REFUNDS:
If you are a non-MCRRC member, and can no longer attend the race, please contact office@mcrrc.org so that we can transfer your registration to another MCRRC low-key race. Monetary refunds will not be provided.

Midsummer Night's Mile 2026
2026-07-10 19:00 - 21:00 | Gaithersburg High School, 101 Education Blvd, Gaithersburg, MD, 20877, United States
RACE OVERVIEW:
Dust off those spikes for the Midsummer Night’s Mile! It is a track mile, run in heats, and part of our Championship Series and Youth Series.
The anticipated heats are:

Runners with expected times greater than 8:45.
Runners with expected times greater than 7:50 up to 8:45.
Runners with expected times greater than 7:00 up to 7:50.
Runners with expected times greater than 6:15 up to 7:00.
Runners with expected times greater than 5:45 up to 6:15.
Runners with expected times greater than 5:20 up to 5:45.
Runners with expected times greater than 4:50 up to 5:20.
Runners with expected times of 4:50 or less.

REGISTRATION:

MCRRC Members –

This race is part of our low-key race series and is FREE for MCRRC members. Race registration is not required for members; however, members must first signup for a 2026 bib & chip. Your bib & chip will be waiting for you at any 2026 low-key race. If you have a 2025 (or older) chip, please bring it with you to exchange for your 2026 bib & chip. If you are a new member, or no longer have an older chip, please remember to bring a $5 chip deposit with you. If you already signed up for a personalized 2026 bib, please do not sign up again – your personalized 2026 low-key bib & chip will be waiting for you at any 2026 low-key race.

Non-MCRRC Members –
Registration is open to non-MCRRC members at a cost of $22 (participants ages 18 & over) and $11.60 (participants under 18). This price includes the registration + processing fee. You may pay less in processing fees per participant if you add more registrations to your cart. Online registration will remain open through the start of the race, so you can register online before leaving the house or from your smartphone at the race site. Registering online before arriving to the race site is strongly encouraged. Non-members can register here. Bib and chip pickup will take place on race morning near the start area. Volunteers will be available to assist you.

YOUTH RUNS:
There will be no timing chips used for the youth series runs. Young run participants may seed according to the 1 mile heats above. The young run is free, but all participants must be registered by a parent or guardian prior to race day (members and non-members). Youth Run registration can be found here.

VOLUNTEER:
MCRRC is a volunteer organization and our events are fully staffed by the hard work of our volunteers. Without them, our races wouldn’t be possible. Volunteers are needed for this event. Please sign up here to volunteer!

REFUNDS:
If you are a non-MCRRC member, and can no longer attend the race, please contact office@mcrrc.org so that we can transfer your registration to another MCRRC low-key race. Monetary refunds will not be provided.

Riley's Rumble Half Marathon 2026
2026-07-26 07:30 - 11:00 | South Germantown Recreational Park – Maryland SoccerPlex, 18031 Central Park Circle, Boyds, MD, 20841, United States
ARE YOU READY TO RUMBLE?
Come run the infamous Riley’s Rumble Half Marathon for a challenging and rewarding race experience.
Do you love running hills? Do you love running in summer heat? Does the DC area humidity inspire you to get out and sweat it out? If you said yes to any of these questions, or even if you didn’t, come out & join us — you won’t regret it! It’s generally understood that Riley’s Rumble is not a good idea for your first half marathon, but that depends on your personal level of crazy!

COURSE MAP
A course map can be viewed here.

REGISTRATION:

MCRRC Members –

This race is part of our low-key race series and is FREE for MCRRC members. Race registration is not required for members; however, members must first signup for a 2026 bib & chip. Your bib & chip will be waiting for you at any 2026 low-key race. If you have a 2025 (or older) chip, please bring it with you to exchange for your 2026 bib & chip. If you are a new member, or no longer have an older chip, please remember to bring a $5 chip deposit with you. If you already signed up for a personalized 2026 bib, please do not sign up again – your personalized 2026 low-key bib & chip will be waiting for you at any 2026 low-key race.

Non-MCRRC Members –
Registration is open to non-MCRRC members at a cost of $37.40 (participants ages 18 & over) and $22 (participants under 18). This price includes the registration + processing fee. You may pay less in processing fees per participant if you add more registrations to your cart. Online registration will remain open through the start of the race, so you can register online before leaving the house or from your smartphone at the race site. Registering online before arriving to the race site is strongly encouraged. Non-members can register here. Bib and chip pickup will take place on race morning near the start area. Volunteers will be available to assist you.

RACE DAY BIB PICKUP:

Registration and bib/chip pickup open on race morning at 6:30 AM. Try to arrive no later than 7 AM to help us get everyone through the line. Volunteers will be on hand to assist you.

MINIMUM PACE:

Our permits require that participants not exceed 15 minutes per mile. Please do not attempt Riley’s Rumble if you are not confident of completing the course at that pace.

ON-COURSE SUPPORT:
Water, Gatorade, and ice will be provided every two to three miles along the course and at the start/finish. Popsicles will be provided just after the turnaround between mile 8 and 9. (Popsicle Protocol: Just before the turnaround, yell out your flavor preference and after the turnaround, the volunteers will have it ready for you!)
There will be port-o-johns at the start/finish, but not along the course. Beware of venturing off-road – poison ivy is rampant in the forest. Plus, the sight of you “relieving yourself” could be uncomfortable for both you and other participants!
Energy gels will no longer be provided. Participants must carry their own supplements.

AT THE FINISH:
Watermelon, bananas, and other refreshments will be available at the finish. There are no awards, t-shirts, or finisher medals. You won’t need a finisher medal to remember you have done Riley’s.

VOLUNTEER:
MCRRC is a volunteer organization and our events are fully staffed by the hard work of our volunteers. Without them, our races wouldn’t be possible. Volunteers are needed for this event. Please sign up here to volunteer!

A NOTE ON WEATHER:
Typically, Riley’s Rumble weather is hot, humid, and sunny. Adjust your pace and expectations. If it is raining, be prepared to get wet. In the event of dangerous conditions (lightning, excessive heat, blizzard, etc.) the race may be delayed, canceled, or turned in to a fun run (i.e. times and order of finish will not be recorded) at the discretion of the race directors.

REFUNDS:
There are no refunds for this event.

Going Green Track Meet 2026
2026-07-31 18:45 - 21:30 | Gaithersburg High School, 101 Education Blvd, Gaithersburg, MD, 20877, United States
RACE OVERVIEW:
Join us for a good ol’ track meet, including a youth run, one- and two-mile distances, and a 4×400 relay!
The anticipated meet schedule is:

6:40 – Youth Run Start – 400m (YS)
6:45 – Youth Run Start – 800m (YS)
7:00 Two Mile – First Heat 12:00 and faster
7:15 Two Mile – Second Heat 12:00-14:00
7:35 Two Mile – Third Heat 14:00-17:00
7:55 Two Mile – Fourth Heat 17:00 Plus
8:30 Mile Run – First Heat 5:30 and faster
8:40 Mile Run – Second Heat 5:30-6:30
8:50 Mile Run – Third Heat 6:30 Plus
9:05 4×400 Relay – Teams of four runners. Please use the sign-up sheets located near the registration table!

REGISTRATION:

MCRRC Members –

This race is part of our low-key race series and is FREE for MCRRC members. Race registration is not required for members; however, members must first signup for a 2026 bib & chip. Your bib & chip will be waiting for you at any 2026 low-key race. If you have a 2025 (or older) chip, please bring it with you to exchange for your 2026 bib & chip. If you are a new member, or no longer have an older chip, please remember to bring a $5 chip deposit with you. If you already signed up for a personalized 2026 bib, please do not sign up again – your personalized 2026 low-key bib & chip will be waiting for you at any 2026 low-key race.

Non-MCRRC Members –
Registration is open to non-MCRRC members at a cost of $22 (participants ages 18 & over) and $11.60 (participants under 18). This price includes the registration + processing fee. You may pay less in processing fees per participant if you add more registrations to your cart. Online registration will remain open through the start of the race, so you can register online before leaving the house or from your smartphone at the race site. Registering online before arriving to the race site is strongly encouraged. Non-members can register here. Bib and chip pickup will take place on race morning near the start area. Volunteers will be available to assist you.

YOUTH RUNS:
There will be no timing chips used for the youth series runs. The 400m (1 lap) young run will begin at 6:40 PM and the 800m (2 laps) young run will follow at 6:45. The runs are free, but all participants must be registered by a parent or guardian prior to race day (members and non-members). Youth Run registration can be found here.

VOLUNTEER:
MCRRC is a volunteer organization and our events are fully staffed by the hard work of our volunteers. Without them, our races wouldn’t be possible. Volunteers are needed for this event. Please sign up here to volunteer!

REFUNDS:
If you are a non-MCRRC member, and can no longer attend the race, please contact office@mcrrc.org so that we can move your registration to another MCRRC low-key event and open up a spot for someone else. Monetary refunds will not be provided.

Groovin' Woodstock Trail 7K 2026
2026-08-16 08:00 - 10:00 | The Woodstock Equestrian Center, 20207 Darnestown Road, Dickerson, MD, 20842, United States
RACE OVERVIEW:
A throwback to 1969! Wear your beads and fringe! For flower children we will be, doing the dung heap-hop to 60’s music in this challenging 7K, early on a summer day. Or, wear your silks and go for the Gold. The race takes place at the Woodstock Equestrian Center and features a hilly course, circling fields and dashing into the woods single-track on horse and hiking trails. Watch under your feet for rocks, roots, mud and … you guessed it. Whether you are in for the romp or in for the run, also-rans will also have fun!

COURSE MAP & LOCATION:
The Woodstock Equestrian Center is located at 20207 Darnestown Road (Rte 28, just beyond Bealesville, MD, going West) and the entrance is on the RIGHT, not the one you pass on the left.
Please click here for a Course Map.

REGISTRATION:

MCRRC Members –

This race is part of our low-key race series and is FREE for MCRRC members. Race registration is not required for members; however, members must first signup for a 2026 bib & chip. Your bib & chip will be waiting for you at any 2026 low-key race. If you have a 2025 (or older) chip, please bring it with you to exchange for your 2026 bib & chip. If you are a new member, or no longer have an older chip, please remember to bring a $5 chip deposit with you. If you already signed up for a personalized 2026 bib, please do not sign up again – your personalized 2026 low-key bib & chip will be waiting for you at any 2026 low-key race.

Non-MCRRC Members –
Registration is open to non-MCRRC members at a cost of $22 (participants ages 18 & over) and $11.60 (participants under 18). This price includes the registration + processing fee. You may pay less in processing fees per participant if you add more registrations to your cart. Online registration will remain open through the start of the race, so you can register online before leaving the house or from your smartphone at the race site. Registering online before arriving to the race site is strongly encouraged. Bib and chip pickup will take place on race morning near the start area. Volunteers will be available to assist you. Non-members can register here.

VOLUNTEER:
MCRRC is a volunteer organization and our events are fully staffed by the hard work of our volunteers. Without them, our races wouldn’t be possible. Volunteers are needed for this event. Please sign up here to volunteer!

REFUNDS:
If you are a non-MCRRC member, and can no longer attend the race, please contact office@mcrrc.org so that we can move your registration to another MCRRC low-key event and open up a spot for someone else. Monetary refunds will not be provided.

Eastern County 8K 2026
2026-08-29 07:30 - 08:30 | Martin Luther King Park, 1102 Jackson Road, Silver Spring, MD, 20904, United States
RACE OVERVIEW:
The theme for this race is School Spirit! So come dressed and ready to run in your favorite school’s team apparel!
The 8K race starts at 7:30 AM at the stripe in the road at the first entrance to the playground parking lot, on the approach from Jackson Road. The turnaround is at the perpendicular of the center court lines of the basketball courts and the hiker-biker trail in the woods. The race finishes at the first perpendicular from the restroom’s first wall on the approach from the parking lot to the hiker-biker trail. A full course map of the 8K race can be viewed here.
The “almost one mile” (approx. 0.8 miles) Young Run begins 5 minutes after the 8K, at 7:35 AM, and goes around the lake.

RACE SCHEDULE:

7:30 AM – 8K Race
7:35 AM – 0.8 Mile Young Run

REGISTRATION:

MCRRC Members –

This race is part of our low-key race series and is FREE for MCRRC members. Race registration is not required for members; however, members must first signup for a 2026 bib & chip. Your bib & chip will be waiting for you at any 2026 low-key race. If you have a 2025 (or older) chip, please bring it with you to exchange for your 2026 bib & chip. If you are a new member, or no longer have an older chip, please remember to bring a $5 chip deposit with you. If you already signed up for a personalized 2026 bib, please do not sign up again – your personalized 2026 low-key bib & chip will be waiting for you at any 2026 low-key race.

Non-MCRRC Members –
Registration is open to non-MCRRC members at a cost of $22 (participants ages 18 & over) and $11.60 (participants under 18). This price includes the registration + processing fee. You may pay less in processing fees per participant if you add more registrations to your cart. Online registration will remain open through the start of the race, so you can register online before leaving the house or from your smartphone at the race site. Registering online before arriving to the race site is strongly encouraged. Bib and chip pickup will take place on race morning near the start area. Volunteers will be available to assist you. Non-members can register here.

YOUNG RUN:
There will be no timing chips used for the youth series runs. The young run will begin at 7:35 AM and is 0.8 miles. The young run is FREE, but all participants must be registered by a parent or guardian prior to race day (members and non-members). Youth Run registration can be found here. Parents or Guardians do not need to register for the young runs to accompany your child. You are welcome to jump right in with them, if needed!

VOLUNTEER:
MCRRC is a volunteer organization, and our events are fully staffed by volunteers. Without them, our races wouldn’t be possible. Volunteers are needed for this event. Please sign up here to volunteer!

REFUNDS:
If you are a non-MCRRC member and can no longer attend the race, please contact office@mcrrc.org so that we can move your registration to another MCRRC low-key event and open up a spot for someone else. Monetary refunds will not be provided.
