Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, mile by mile.
Race-day light
For a 21:15 finish (an estimate) · starting 7:00 AM Aug 1 · headlamp mi 67–the finish. Dark means the sun below civil twilight.
Climbs
18 climbs · 14,141 ft totalbiggest firstElevation gain, measured two ways
| Source | Gain | vs lidar |
|---|---|---|
| Course file (GPX) | 18,095ft | +7% |
| USGS lidar, 1 m | 16,872ft | reference |
They differ because a GPS file picks up noise on every wiggle and often takes its heights from a coarse terrain model, while lidar maps the ground itself to about a metre. We sampled this route every 98 ft against USGS 3DEP and counted each rise of 10 ft or more, on Oct 23, 2026. The planner still uses the course file.
Aid stations as published on the course file
| Aid station | Mile | km |
|---|---|---|
| A AS 3/12 Gunsight (unstaffed) | 15.0 | 24.1 |
| A AS4 - Robinhood | 22.8 | 36.6 |
| A AS5 - Polallie | 32.1 | 51.6 |
| A AS6/10 - Surveyors | 36.7 | 59.1 |
| A AS7 - Fifteenmile | 46.2 | 74.4 |
| A AS8 - Underhill | 54.4 | 87.5 |
| A AS9 - Bottle Prairie | 64.3 | 103.4 |
| A AS11 - High Prairie | 77.7 | 125.0 |
| A AS2/13 - Bennett Pass | 88.8 | 142.9 |
| A AS 1/14 - Umbrella | 92.8 | 149.3 |
| START/FINISH - Mt Hood Meadows | 98.9 | 159.2 |
Badge colours match the markers on the map above — always confirm locations and cutoffs with the race organizer.
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Conditions typical race-day weather for Aug 1 at the start
Typical = the median of 2016–2025 for Aug 1 ±3 days at the start line; a wet day has 1 mm of rain or more. Historical weather from Open-Meteo.
Race almanac 1 year of this race
Past editions
On race day it reached 55°F at the start, with a low of 39°.
| Year | Start °F | High point °F | Rain | Wind |
|---|---|---|---|---|
| 2026 Aug 1 | 55°/39° | 51°/35° | 0.04in | 13mph |
race-day weather from the Open-Meteo historical archive (ERA5) at the start line and the course high point (6,522 ft).
Reviews what runners who have been there say
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About this course
Hood Hundred — 2026 covers 98.9 mi (159.2 km) with 18,095 ft of elevation gain through Oregon, United States. That is about 183 ft per mile of climbing, and 18,095 ft of descent. The course tops out at 6,541 ft and bottoms out at 2,746 ft. The surface is 84% trail, 14% gravel and 1% paved. There are 10 aid stations on course; the longest stretch between aid is 15.0 mi. The profile has 18 sustained climbs; the biggest is the climb from mi 32.1, +1,422 ft over 3.4 mi at 7.9% on average (steepest stretch 23%). Race day is August 1, 2026, starting at 7:00 AM; the sun rises at 5:52 AM and sets at 8:36 PM. Typical race-day weather at the start: a high of 73°F and a low of 51°F, with a 4% chance of a wet day. The interactive map above shows the full route with its elevation profile and aid stations, built from the course's GPS file.
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Course history
- Jul 27, 2026Added to the catalog
Races like this one close in distance, climbing, terrain, altitude, weather and season
- Plain Endurance Runs 100 Miler — 2026Sep · 103 mi · 193 ft/mi · WAMostly trail · Same distance · Similar climbing
- Jigger Johnson Ultras — 2026Aug · 104 mi · 194 ft/mi · NHSame distance · Similar weather · Mostly trail
- Western States 100 — 2026Jun · 100 mi · 174 ft/mi · CASame distance · Mostly trail · Similar climbing
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