MCRRC Run Under the Lights
About this race
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 will utilize the roads through the Park during the race. Roads will be closed to traffic except for Emergency Vehicles and vehicles required for race management. Race registration includes entry to the Park and parking is on-site and free of charge.
Due to the time of year, this event can experience inclement weather. It is also a sellout race and typicall sells out in a few days. Please refer to the "Waitlist, Transfers & Refunds" tab before committing to registration. A waitlist will be in effect once the race sells out - we are unable to admit particpants above the limit of our permit. Thank you for your understanding.
If you are unable to participate in the race, please consider volunteering instead.
Pick your distance
Running
5K Run/Walk
City of Gaithersburg Staff (Reserved Entries)
Typical race-day weather
Based on 7 years of Open-Meteo archive data for this event's race dates in Gaithersburg, plus the 3 days either side.
The sun rises at 6:58 AM and sets at 4:50 PM local time (EST) in Gaithersburg on November 21, 2026 — 9h 51m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
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Other races near Gaithersburg
Different organizers, within 40 miles, in the next three months
Truckin' For Todd
MoCo CARES Charity Race
MCRRC Turkey Burnoff 5 and 10-Mile Race
MCRRC Seneca Slopes 9K
🏃 Plan Your Next Race in Gaithersburg
Find upcoming events by distance:
- Gaithersburg 5K Races 7 races
- Gaithersburg Running Calendar 2026 13 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 14 Gaithersburg events
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