Decision summary
Historical race-date favourability, not a forecast
Source facts available
Route details
Boulder Rez Marathon has known course details for its marathon race. The summary below keeps the focus on what is confirmed for the course.
Quick answers
The Boulder Rez Marathon is described as flat. The course listing puts the climb at 61 m. The course notes also call it flat, fast course running alongside the Boulder Reservoir on dirt roads and trails, with views of the reservoir and the Rocky Mountains.
The Boulder Rez Marathon route starts at Boulder Reservoir, 5565 51st St, Boulder, CO 80301 and finishes at Boulder Reservoir. Underfoot, expect mostly dirt roads and trails (single track and packed-dirt trail), with paved park roads at the start and finish. It passes Boulder Reservoir and Rocky Mountains. Run on a scenic, USATF-sanctioned course.
Staggered starts by distance (marathon 7:15am, 3/4 marathon 7:20am, half 7:25am, 10K 7:30am). Packet pickup Friday before race (3:00-6:30 pm at Fleet Feet Boulder) and race-day morning at the finish-line area (6:00-7:30 am).