Cross Country Trail Marathon
Race Day Weather
Cool start, steady progression
Runners will face a cool start at 39°F, gradually warming to 60°F. With a gentle SW wind at 11 mph, conditions will be favorable throughout. Humidity is moderate at 63%, suggesting a comfortable experience, but hydration remains essential as temperatures rise.
Get forecast alerts for Cross Country Trail Marathon
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
Race Info
The Cross County Trail Marathon and Half Marathon runs on the Gerry Connolly Cross County Trail, a Fairfax County, Virginia multi-use trail with asphalt, concrete, and stone-dust sections. The race starts and finishes in Springfield, VA, near Lake Accotink. The marathon covers two loops of the course and the half marathon covers one loop. The race last ran on UltraSignup in November 2021, with no registration or results found for 2022 through 2025.