Boulder Rez Marathon
Boulder Reservoir, Boulder, CO, USA
02 Aug, 2025 (Sat)
Running
10 km, 21.097 km, 30 km, 42.195 km
About the event
The event is run on a 10K loop around the Boulder Reservoir. You'll run on flat dirt road and trails.
Races offered by this event
You have 35 weeks to prepare
Half Marathon
02 Aug, 2025 (Sat) - 07:07
Running
21.097 km
Solo
On site
Mixed
Flat
Multiple loops
Marathon
02 Aug, 2025 (Sat) - 07:15
Running
42.195 km
Solo
On site
Mixed
Flat
Multiple loops
Marathon Relay
02 Aug, 2025 (Sat) - 07:15
Running
42.195 km
Relay
On site
Mixed
Flat
Multiple loops
3/4 Marathon
02 Aug, 2025 (Sat) - 07:25
Running
30 km
Solo
On site
Mixed
Flat
Multiple loops
10K
02 Aug, 2025 (Sat) - 07:40
Running
10 km
Solo
On site
Mixed
Flat
Single loop
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Official links
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