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Trail Running calendar near Fairfield 2026-2027

We have found 103 Trailruns within 80 miles of Fairfield. See below where and when you can find the races.

The Krampus Cross Country

San Francisco - 38 mi from Fairfield

Join the festive Krampus Cross Country in San Francisco with live and virtual options Dec 4 to 7 and the in person race on Dec 6. Pick 5K, 10K or the Naughty Nine Miler and take home a woodallion, tee and beer sampler stein.

Hunter S. Thompson Fear & Loathing

Midtown Terrace - 41 mi from Fairfield

The Hunter S. Thompson Fear & Loathing will take place in Midtown Terrace on Sunday 6 December 2026. You can run between 50 and 50 miles.