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Colorado Mountain Half+ Series 2026

Sunday, September 13, 2026 · Littleton, United States

Distances

21 km

About this race

Part of the Colorado Mountain Half+ Series 2026, this event is for runners tackling 21km.

Start location

Colorado (multiple locations)

Littleton, CO

Driving directions

Register →via raceroster.com Search on Google

Typical weatherSeptember

31°Clow 18°C

30mm precip avg

Sunny most days

Cooling slightly — pleasant in the morning.

Please verify event details with the organizer before registering.

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