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Ultramarathon Races in Klamath Falls

Find Ultramarathon running races in Klamath Falls. Browse upcoming ultramarathon events, registration details, and race information for 2026.

1 race found

Trail

Spence Mountain Run

30 May 2026
Klamath Falls, United States
50km · Ultra

Spence Mountain Run is a 50 km ultra trail race held in Klamath Falls, OR. The event takes place in May 2026.

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