How hilly is the Boulderthon Marathon?
The Boulderthon Marathon is described as gently rolling. The course listing puts the climb at 184 m.
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Decision summary
Historical race-date favourability, not a forecast
Source facts available
Route details
Boulderthon 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 Boulderthon Marathon is described as gently rolling. The course listing puts the climb at 184 m.
The Boulderthon Marathon route starts at Pearl Street Mall, downtown Boulder and finishes at Pearl Street Mall in downtown Boulder. Underfoot, expect road (paved Boulder back roads and downtown brick streets). It passes Downtown Boulder, Pearl Street Mall, Flatirons foothills, Boulder Reservoir and Boulder back roads. Marathon course starts in downtown Boulder, climbs up past the Boulder Reservoir, then returns to a finish on the historic Pearl Street Mall.