Trail Running calendar near Oceanside 2026-2027
We have found 102 Trailruns within 80 miles of Oceanside. See below where and when you can find the races.
0 – 100∞ km
Articles
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Trail races at O'Neill Park in Trabuco Canyon offer distances from 10k to 50k on park trails. Registration opens Dec 1, 2026 and the event does not offer refunds, though rollovers are allowed for weather or fire cancellations.
A trail 10K at Big Bear Mountain Resort on singletrack through high altitude pine forest, with technical climbs, descents and views of the Southern Sierra. The weekend also includes Spartan obstacle races and spectator options.