Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, kilometre by kilometre.
Race-day light
For a 14:55 finish (an estimate) · starting 07:00 22 Aug · headlamp km 94–the finish. Dark means the sun below civil twilight.
Climbs
13 climbs · 4,498 m totalbiggest firstAid stations as published on the course file
| Aid station | km | Mile |
|---|---|---|
| 100K Start | 0.0 | 0.0 |
| A Middle of Nowhere Aid Station | 2.8 | 1.7 |
| A Whistler Summit Aid Station | 11.4 | 7.1 |
| A Roundhouse Aid Station | 21.1 | 13.1 |
| A Rendezvous Aid Station | 34.9 | 21.7 |
| A Mid Station Hydration Station | 42.9 | 26.7 |
| A Big Burn Aid Station | 47.5 | 29.5 |
| A Mel's Dilemma Hydration Station | 51.4 | 31.9 |
| A Pump Up Aid Station | 61.3 | 38.1 |
| A Weather Check Aid Station | 70.0 | 43.5 |
| A Creekside Aid Station | 80.6 | 50.1 |
| A Spruce Aid Station | 87.7 | 54.5 |
| A Lost Lake Hydration Station | 99.2 | 61.7 |
| Finish | 101.7 | 63.2 |
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Conditions typical race-day weather for 22 Aug at the start
Typical = the median of 2016–2025 for 22 Aug ±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 26°C at the start, with a low of 15°.
| Year | Start °C | High point °C | Rain | Wind |
|---|---|---|---|---|
| 2026 Aug 22 | 26°/15° | 16°/5° | 2.2mm | 11km/h |
race-day weather from the Open-Meteo historical archive (ERA5) at the start line and the course high point (2,165 m).
Reviews what runners who have been there say
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About this course
Ultra Trail Whistler by UTMB 100K — 2026 covers 101.7 km (63.2 mi) with 5,943 m (19,498 ft) of elevation gain. That is about 58 m per km of climbing, and 5,951 m of descent. The course tops out at 2,165 m and bottoms out at 600 m. There are 12 aid stations on course; the longest stretch between aid is 13.7 km. The profile has 13 sustained climbs; the biggest is the climb to Whistler Summit Aid Station, +1,511 m over 11.4 km at 13.2% on average (steepest stretch 33%). Race day is 22 August 2026, starting at 07:00; the sun rises at 06:13 and sets at 20:19. Typical race-day weather at the start: a high of 22°C and a low of 11°C, with a 24% 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
- Nov 1, 2026Added to the catalog
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