In 40 days · Sun, Oct 4, 2026
Don't let race day sneak up
One email during race week. That's it.
When
Sunday, October 4th, 2026
Where
5939 Muncaster Mill Road, Derwood MD
Distance
5K
Typical weather
56–72°F · some rain risk
See last 10 years
On this date: rain 4 of the last 10 years
2025
51–76°F
dry
2024
62–76°F
rain
2023
60–80°F
dry
2022
46–57°F
rain
2021
64–81°F
rain
2020
43–65°F
dry
2019
53–74°F
dry
2018
64–85°F
rain
2017
53–76°F
dry
2016
56–70°F
dry
Best months to race in Maryland →
About this race
Colonel Challenge 5K Run
Date and Location
- Date: 2026-10-04
- Location: 5939 Muncaster Mill Road, Derwood, MD
Event Purpose
- Goal: Raise money to support Magruder High School Athletics.
- Parking: Ample parking available in the Magruder HS parking lot.
Awards Ceremony
- Time: Following the Youth Fun Run, approximately at 9:00am.
Join Us
- Invitation: We hope to see you there!
- More Information: Visit the race page at Colonel Challenge 5K Run.
Course map
Train with a club
Run clubs near Derwood to train with before race day.
See all run clubs near Derwood →
Suggested Races
Organize this race?
Claim it free to manage your listing — and get it featured for free, while spots last.