In 104 days · Sun, Jan 31, 2027
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Sunday, January 31st, 2027
9175 Guilford Road, Columbia MD
5K · 10K · 1 Mile · Half
27–42°F · some rain risk
See last 10 years
On this date: rain 3 of the last 10 years
2026
7–20°F
dry
2025
38–50°F
rain
2024
33–43°F
dry
2023
35–45°F
rain
2022
21–33°F
dry
2021
26–31°F
rain
2020
27–43°F
dry
2019
6–21°F
dry
2018
19–35°F
dry
2017
22–51°F
dry
Best months to race in Maryland →
Race-day forecast says layers
27°F at the start.
Gloves, ear warmers, throwaway layers, hand warmers — delivered before race day.
About this race
Enjoy nature in one of the most beautiful areas of Columbia, MD. Starting and finishing at the Guilford Pratt Truss Bridge, the half marathon (13.1 miles), 10K (6.55 miles) and 5K (3.1 miles) takes place on the Patuxent and Wincopin trails. The course runs along the Little Patuxent and Middle Patuxent River. The terrain is tame compared to many other trail races. This race is appropriate for beginners and intermediate runners. Registration includes a long sleeve shirt, finisher medal and knit gloves.
Course map
Train with a club
Run clubs near Columbia to train with before race day.
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