Boulder Rez Half
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Event Overview
The Boulder Rez Half Marathon, 10K, and 5K Run takes place on April 11, 2026, at the Boulder Reservoir in Boulder, Colorado.
Course Information
The run course loops around the Boulder Reservoir, mostly on dirt trails. It is described as flat with only 200 feet of elevation gain. The course offers views of the mountain range to the west. The Half Marathon is a USAT-certified course. Distances include:
- Half Marathon (two loops)
- 10K (one loop)
- 5K (a different course route)
Participant Information
Participants receive a participant shirt and a finisher medal. Awards are given for overall top three male and female finishers and for multiple age groups.
Logistics
Packet pickup is available on Friday, April 10, at Fleet Feet Boulder, and on race day at the finish line area in the Boulder Reservoir parking lot. Volunteers are welcome. Visit the organization's website for the most recent information.
