GAP factor 12.4% slower than flat · net elevation -0 m
Decision summary
Lower than 39% of comparable mapped races
17:00:00 total cut-off
Historical race-date favourability, not a forecast
Verified GPS route
Quick answers
RaceIndex has a GPS course file for Gorge Waterfalls 100K Ultramarathon, 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 Gorge Waterfalls 100K Ultramarathon route has 3,481 m of ascent, 3,481 m of descent and an estimated 12.4% grade-adjusted pace penalty versus a flat route.
The Gorge Waterfalls 100K Ultramarathon route starts at Marine Park, Cascade Locks and finishes at Marine Park, Cascade Locks (mile 62.0). Underfoot, expect rocky semi-technical singletrack mixed with smoother dirt singletrack, plus paved pedestrian/bike path connectors and some rural road shoulder sections. It passes Columbia River Gorge, Multnomah Falls, Wahkeena Falls, Pacific Crest Trail and Herman Creek. Tent camping on Thunder Island at Marine Park is offered to participants and volunteers (first come, first served.
Eight aid stations total; drop bag access at Ainsworth (stations 2 and 4) and Wyeth (station 7); crew access at Wahclella, Cascade Locks and Wyeth. 8. Pacers are not allowed; the event permit no longer allows pacers.
Its normalised GAP factor is 12.4% slower than a flat course, with about 3481 m of total ascent.