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Trail Running Calendar near Louisville 2026-2027

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Explore the top trail runs near Louisville for 2026-2027! We've gathered 21 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

December 2026
Dec
12
Sa

Santa Claus Run

Trail Run Walk 5 km 10 km Half Marathon
Santa Claus Run in Louisville, Colorado on December 12, 2026 features a new half marathon plus 5k, 10k and kids races. The event includes an on-site expo, participant neck buffs, a finisher snow globe, food and a visit from Santa.
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