GAP factor 0.3% slower than flat · net elevation 15 m
Decision summary
Lower than 97% of comparable mapped races
6:00:00 total cut-off
Historical race-date favourability, not a forecast
Verified GPS route
Quick answers
RaceIndex has a GPS course file for Idaho Falls Marathon, so runners can inspect the route line on the map. Elevation charts and ascent figures appear only when that file includes usable elevation data.
The Idaho Falls Marathon route has 69 m of ascent, 52 m of descent and an estimated 0.3% grade-adjusted pace penalty versus a flat route.
The Idaho Falls Marathon route starts at Snake River Landing, 953 Pier View Dr, Idaho Falls, ID 83402 (start and finish for all distances) and finishes at Snake River Landing, Idaho Falls. Underfoot, expect a road course. It passes Snake River Landing, Snake River Greenbelt, southeast Idaho farm country and historic New Sweden. Promoted as a flat and fast, USATF-certified course.
Its normalised GAP factor is 0.3% slower than a flat course, with about 69 m of total ascent.