• Run Under the Lights 2026 ($)

    Seneca Creek State Park 11950 Clopper Road, Gaithersburg, MD, United States

    RACE OVERVIEW: The City of Gaithersburg, in partnership with the Montgomery County Road Runners Club, invites all runners and walkers to participate in a 5K Run/Walk in the magical setting of Gaithersburg’s Winter Lights Festival at Seneca Creek State Park. Winter Lights features more than 380 illuminated vignettes and 65 animated displays. Runners and walkers […]

  • Turkey Burnoff 2026

    Seneca Creek State Park 11950 Clopper Road, Gaithersburg, MD, United States

    RACE OVERVIEW: Start the holiday season by challenging yourself to some gently rolling hills in scenic Seneca Creek State Park as you run one loop for the 5-mile race, or a second loop for twice the fun. The park deer occasionally make a cameo appearance and they don't brake for runners! All participants need to […]

  • Seneca Slopes 9K 2026

    Seneca Creek State Park 11950 Clopper Road, Gaithersburg, MD, United States

    RACE OVERVIEW: Come to Seneca Creek State Park to enjoy this multi-terrain 9K course, the final event in the Trail Series. The mileage may vary. It's somewhere between 5.5 - 6 miles!   COURSE MAP: A course map can be viewed here.   REGISTRATION: MCRRC Members – This race is part of our low-key race series […]

  • 2027 Seneca Creek Trail 50K ($)

    Seneca Creek State Park 11950 Clopper Road, Gaithersburg, MD, United States

    RACE OVERVIEW Welcome to the Seneca Creek Greenway Trail Marathon & 50K, where you will experience some of Montgomery County's finest single-track trails. This is a challenging, but beautiful run for all! The Seneca Creek Greenway Trail Marathon and 50K is a low-key, low-priced, and fun-filled event along the beautiful Seneca Creek Greenway Trail and […]

  • 2027 Piece of Cake

    Seneca Creek State Park 11950 Clopper Road, Gaithersburg, MD, United States

    RACE OVERVIEW A race course and location are currently being evaluated for the 2027 event. More details will be provided once they are finalized. Please check back! 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 […]

  • Run Under the Lights ($)

    Seneca Creek State Park 11950 Clopper Road, Gaithersburg, MD, United States

    RACE OVERVIEW: The City of Gaithersburg, in partnership with the Montgomery County Road Runners Club, invites all runners and walkers to participate in a 5K Run/Walk in the magical setting of Gaithersburg’s Winter Lights Festival at Seneca Creek State Park. Winter Lights features more than 380 illuminated vignettes and 65 animated displays. Runners and walkers […]

  • Turkey Burnoff

    Seneca Creek State Park 11950 Clopper Road, Gaithersburg, MD, United States

    RACE OVERVIEW: Start the holiday season by challenging yourself to some gently rolling hills in scenic Seneca Creek State Park as you run one loop for the 5-mile race, or a second loop for twice the fun. The park deer occasionally make a cameo appearance and they don’t brake for runners! All participants need to […]

  • Seneca Slopes

    Seneca Creek State Park 11950 Clopper Road, Gaithersburg, MD, United States

    RACE OVERVIEW: Come to Seneca Creek State Park to enjoy this multi-terrain 9K course, the final event in the Trail Series. The mileage may vary. It’s somewhere between 5.5 – 6 miles! COURSE MAP: A course map can be viewed here. REGISTRATION: MCRRC Members – This race is part of our low-key race series and is […]