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About RaceIndexOur methodologyData coverageCyclingTriathlon
  • Ultramarathon
  • 99.8 km
  • Cascade Locks
  • Event weekend starts
  • Open entry

Gorge Waterfalls 100K Ultramarathon

This race edition

Race date
Date not confirmed for this distance
Race timezone
Timezone not confirmed
Edition status
Status not confirmed

Entry options

2027 edition

Entry options are not yet confirmed for this edition. Check the organiser before making plans.

net elevation -0 m

View verified GPS mapOfficial event website & entry ↗
Data current as of

Decision summary

Gorge Waterfalls 100K Ultramarathon at a glance

Route ascent
3,481 m

Lower than 39% of comparable mapped races

Cut-off average pace
10:13/km

17:00:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.

Typical conditions
85/100

Historical race-date favourability, not a forecast

Evidence depth
47 verified facts

Stored GPS route

Quick answers

What runners ask first

Gorge Waterfalls 100K Ultramarathon route map

raceindex.org 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.

How hilly is the Gorge Waterfalls 100K Ultramarathon?

The Gorge Waterfalls 100K Ultramarathon route has 3,481 m of ascent and 3,481 m of descent.

Where does the Gorge Waterfalls 100K Ultramarathon route go?

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.

What should runners know on race day for the Gorge Waterfalls 100K Ultramarathon?

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.

Race character

Scenery

  • Riverside
  • Canyon
  • Countryside
  • Waterfront
  • Parkland
  • Island
  • Forest
  • Mountain

Atmosphere

  • Competitive
  • Wilderness
  • Scenic Tour

Terrain

  • Trail
  • Mixed
Elevation character
Hilly
Technicality
Technical
Net elevation
0 m

Entry, logistics and records

Records and field

Men's course record
7:59:30 (Adam Peterman)
Women's course record
9:14:49 (Shea Aquilano)
Field size
450 runner limit per race day
Field cap
450

Entry requirements

Entry status
Open entry: The held registration model is open entry and this edition is not marked sold out.
Cut-off
17 hours overall; finish-line cutoff 10:00 PM at mile 62.0
Ballot
No
Qualification status
The 2026 Gorge Waterfalls 100K was a 2027 Western States Endurance Run qualifier (must finish the full 100K under 17 hours to be eligible); not a Boston Equivalent road race.
UTMB index
Yes

Race day logistics

Aid stations
8
Pacers
Pacers are not allowed; the event permit no longer allows pacers.
Bag drop
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.
Medal
Custom finisher awards for all participants; custom podium awards for top 3.

Access and course status

Start
Marine Park, Cascade Locks
Finish
Marine Park, Cascade Locks (mile 62.0)

Course facts

Course type
Out And Back
Surface
Rocky semi Technical singletrack mixed with smoother dirt singletrack, plus paved pedestrian/bike path connectors and some rural road shoulder sections.
Landmarks
Columbia River Gorge, Multnomah Falls, Wahkeena Falls, Pacific Crest Trail, Herman Creek, Wyeth Trailhead
Notable features
  • Tent camping on Thunder Island at Marine Park is offered to participants and volunteers (first come, first served
  • no fires or alcohol)
  • Substantial prize purse: 100K pays $15,000 / $7,000 / $4,000 for the top three men and women
  • Out-and-back from Cascade Locks: first descends downriver to the Multnomah Falls and Wahkeena Falls area, returns to Cascade Locks, then heads upriver on the Pacific Crest Trail past Herman Creek to Wyeth Trailhead before returning to the finish

How hilly is the Gorge Waterfalls 100K Ultramarathon?

23%15%25%15%22%
  • Steep descent 23%
  • Descent 15%
  • Flat 25%
  • Climb 15%
  • Steep climb 22%
Total ascent
3,481 m
Net elevation
−0 m
Longest climb
630 m at 20.5%
Gradient mix and ascent are derived from the course geometry under our published normalisation, not taken from organiser marketing.

What are typical race-day conditions?

  • 10°CTypical temperature
  • 12 kphTypical wind
  • 5 mmTypical rainfall
  • 85Favourability /100
Typical conditions for the race date and locality, within the endurance-optimal window. These are climatological norms, not a forecast, and are shared across every distance at this event.

How we calculated this

Published facts and derived model outputs on this page are tied to stored sources or a published, version-locked methodology. We show the provenance so runners, coaches and organisers can check it. Data on this page is current as of .

Derived numbers use scoring-methodology-v1.0.

Sources used on this page (2)

Read the full methodology →