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Trail Running Calendar near Seaside 2026-2027

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Explore the top trail runs near Seaside for 2026-2027! We've gathered 3 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

Trail Running Calendar United States
September 2026
Sep
19
Sa

World's Longest Beach Run

Trail Run 5 km
A 5K beach run and walk on the 28 plus mile Long Beach Peninsula in Washington, held September 19, 2026, raising funds for local middle and high school cross country runners.
Sep
26
Sa

Three Course Challenge

Trail Run 3 km 4 km 5 km
Cross country meet at Camp Rilea near Seaside Oregon with multiple 3k and 5k courses, chip timing, live drum corps, team lodging, and awards.
Sep
26-27
Sa - Su

Pacific Coast Running Festival

Road Race Trail Run 5 km 10 km Half Marathon Marathon
A weekend running festival on Long Beach Peninsula featuring a sand marathon, half marathon, multiple 5Ks, kids dashes and a community expo.
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