In 45 days · Sat, Nov 21, 2026
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Saturday, November 21st, 2026
Seneca Creek State Park, Gaithersburg MD
5K
36–52°F · low rain risk
See last 10 years
On this date: rain 2 of the last 10 years
2025
40–58°F
dry
2024
39–48°F
rain
2023
36–55°F
rain
2022
23–45°F
dry
2021
35–51°F
dry
2020
46–63°F
dry
2019
34–51°F
dry
2018
33–48°F
dry
2017
38–56°F
dry
2016
32–41°F
dry
Best months to race in Maryland →
Race-day forecast says layers
36°F at the start.
Gloves, ear warmers, throwaway layers, hand warmers — delivered before race day.
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.
Course map
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