Boulder Rez Marathon
Boulder, Colorado, United States
Aug 15, 2026 - Saturday
10k, 19.34mi, Half-marathon, Marathon, Relay
Race Information
This amazing run course will take you alongside the Boulder Reservoir, remaining mostly on dirt roads and trails. The course is flat, with only 200 feet of gain, and provides views of the Boulder Reservoir and Rocky Mountains.
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Race Facts
Race Size: 100 - 500
Elevation: Fast and Flat
Course Type: Trail
Boston Qualifier: No
Kids Run: No
Where to Stay
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