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Half Marathon Calendar near Southwest Portland 2025-2026

Explore the top half marathons near Southwest Portland for 2025-2026! We've gathered 7 exciting races in the area. Check out our detailed list below to find your next local race.

October 2025
Oct
5
Sunday

Stub Stewart Trail Challenge

Trail Run 10 km Half Marathon 31 km Marathon
Oct
12
Sunday

Girlfriends Run

6 km 10 km Half Marathon
Oct
25
Saturday

The Great Pumpkin Run - Portland

5 km 10 km Half Marathon
April 2026
Apr
26
Sunday

Oxbow Trail Runs

Trail Run 5 km 10 km Half Marathon
Apr
26
Sunday

Spring Classic Half Marathon

5 km 10 km 13 mi 23 mi
May 2026
May
17
Sunday

Reflection Run Washougal

5 km 10 km 12 mi Half Marathon
May
23-25
Sa - Mo

Stumptown Trail Runs

Trail Run Half Marathon 50 km
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