Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, kilometre by kilometre.
Race-day light
For a 14:35 finish (an estimate) · starting 07:00 7 Aug · headlamp km 100–the finish. Dark means the sun below civil twilight.
Climbs
12 climbs · 3,180 m totalbiggest firstAid stations as published on the course file
| Aid station | km | Mile |
|---|---|---|
| Fatdog 70 Mile Start Line | 0.0 | 0.0 |
| A Grainger Creek Aid Station | 12.6 | 7.9 |
| A Hope Pass Aid Station | 28.2 | 17.5 |
| A Nicomen Aid Station | 40.6 | 25.2 |
| A Heather Aid Station | 55.9 | 34.7 |
| A Blackwall Peak Aid Station | 66.6 | 41.4 |
| A Windy Joe's Aid Station | 77.3 | 48.0 |
| A Strawberry Flats Aid Station | 85.2 | 52.9 |
| Finish Line | 102.6 | 63.8 |
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 7 Aug at the start
Typical = the median of 2016–2025 for 7 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 28°C at the start, with a low of 11°.
| Year | Start °C | High point °C | Rain | Wind | Heat index |
|---|---|---|---|---|---|
| 2026 Aug 7 | 28°/11° | 20°/4° | dry | 12km/h | 27° |
Next race day Fri, Aug 6, 2027 · 7:00 AM start
First and last light are civil twilight, the sun 6° below the horizon. The moon is lit as at midnight after the start; headlamp hours count a typical finish from the start while the sun is below civil twilight. Worked out for the start line.
race-day weather from the Open-Meteo historical archive (ERA5) at the start line and the course high point (2,130 m).
Reviews what runners who have been there say
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About this course
Fat Dog 120 100k — 2026 covers 102.6 km (63.8 mi) with 4,289 m (14,072 ft) of elevation gain through British Columbia, Canada. That is about 42 m per km of climbing, and 3,818 m of descent. The course tops out at 2,131 m and bottoms out at 771 m. The surface is 80% trail, 11% gravel and 10% paved. There are 7 aid stations on course; the longest stretch between aid is 17.4 km. The profile has 12 sustained climbs; the biggest is the climb from km 16.4, +744 m over 9.0 km at 8.2% on average (steepest stretch 33%). Race day is 7 August 2026, starting at 07:00; the sun rises at 05:45 and sets at 20:36. Typical race-day weather at the start: a high of 27°C and a low of 12°C, with a 20% 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 29, 2026Added to the catalog
Races like this one close in distance, climbing, terrain, altitude, weather and season
- Iron Legs Mountain Races 100K — 2026Aug · 99 km · 43 m/km · AlbertaSame distance · Similar climbing · High altitude
- Elkhorn Crest 50 — 2026Aug · 86 km · 46 m/km · ORMostly trail · Similar weather · High altitude
- Iron Legs Mountain Races — 2026Aug · 81 km · 42 m/km · AlbertaSimilar climbing · High altitude · Same month
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