Oregon Half Marathon Calendar 2025-2026

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Explore the best half marathons in Oregon for 2025-2026! Our updated list features 47 exciting races across the region. Find your next race in Oregon below and join the running community at these great events!

August 2026
Aug
8-9
Sa - Su

Boise Spartan Trifecta Weekend

Obstacle Run 5 km 10 km Half Marathon
Aug
8
Saturday

Haulin Aspen

Trail Run 6 mi Half Marathon Marathon
Aug
15-16
Sa - Su

Wy’East Trailfest

Trail Run 8 km 14 km ... 50 km 50 mi
Aug
22
Saturday

Post Canyon Half Marathon

Trail Run Half Marathon
September 2026
Sep
19
Saturday

Three Sisters Skyline

Trail Run Half Marathon 50 km
Sep
19
Saturday

Pacific Northwest Marathon

5 km 10 km 13 mi 26 mi
October 2026
Oct
3-4
Sa - Su

Perpetua Coast

Trail Run Half Marathon 20 mi 50 km
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