Mcrrc Run Under the Lights
Saturday, November 21, 2026, first start 6:15 PM, in Gaithersburg (Seneca Creek State Park). Distances: 5K. Entry from $43.
- Date
- Saturday, November 21, 2026
- Start time
- 6:15 PM (earliest wave)
- Location
- Seneca Creek State Park, Gaithersburg, DC 20878
- Area
- Maryland Suburbs, Washington, DC
- Distances
- 5K
- Course
- Road or path
- Price
- $43 plus the platform's processing fee
- Next price increase
- None published
- Registration
- Open. Opened October 1, online signup closes Saturday, November 21, 2026
How to register
Registration is on RunSignup. Pick your distance, add any extras, and you'll get a confirmation email with your bib details.
Course and race notes
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.
From the race's own listing. Check the race website for the course map and parking.
Source: RunSignup public race API, refreshed 2026-10-17. Details can change; the registration page is the final word.