Oak Ridge to Kingston Express O2K Marathon
Race Day Weather
Cool morning, steady winds
Runners will face a temperature trend starting at 41°F and peaking at 52°F. Winds from the SW will reach up to 7 mph, with gusts to 19 mph. With humidity at 70%, hydration will be crucial—runners should consider adjusting their pace to stay comfortable.
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Race Info
The Oak Ridge to Kingston Express is a Boston-qualifier-focused marathon and half marathon in Oak Ridge, Tennessee, held in late February or early March. Both start on North Jefferson Circle and follow the Oak Ridge Turnpike, which has a bike lane and shoulder. The marathon is an out-and-back on a USATF-certified course with under 600 feet of climbing, and the half is a point-to-point with under 400 feet. Entry is capped at 50 runners and there are no shirts or awards.