Trail Running calendar near San Marcos 2026-2027

We have found 84 Trailruns within 80 miles of San Marcos. See below where and when you can find the races.

Trail races at O'Neill Regional Park with multiple distances through Trabuco and Live Oak Canyons and a $5 parking fee.

A scenic trail event at Big Bear Mountain Resort featuring singletrack through high altitude pine forest and a 10K route with spectator options.

The Mission Trails Twilight Runs will take place in Cowles Mountain on Saturday 22 May 2027. You can run between 5 and 50 kilometers.

June 2027

Vineyard trail event at Orfila Winery with 3, 6, and 9 mile options, three wine tastings for those 21 plus, food trucks, and limited entry of 300 runners.

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