Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, kilometre by kilometre.
Race-day light
For a 14:10 finish (an estimate) · starting 07:00 8 Aug. Dark means the sun below civil twilight.
Climbs
15 climbs · 3,537 m totalbiggest firstConditions typical race-day weather for 8 Aug at the start
Typical = the median of 2016–2025 for 8 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 22°C at the start, with a low of 10°.
| Year | Start °C | High point °C | Rain | Wind |
|---|---|---|---|---|
| 2026 Aug 8 | 22°/10° | 17°/5° | 5.4mm | 15km/h |
Next race day Sat, Aug 7, 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 (2,314 m).
Reviews what runners who have been there say
No reviews yet — be the first to run it and tell other runners what to expect.
About this course
Iron Legs Mountain Races 100K — 2026 covers 99.3 km (61.7 mi) with 4,236 m (13,896 ft) of elevation gain through Alberta, Canada. That is about 43 m per km of climbing, and 4,234 m of descent. The course tops out at 2,315 m and bottoms out at 1,396 m. The surface is 94% trail. The profile has 15 sustained climbs; the biggest is the climb from km 7.9, +668 m over 8.9 km at 7.5% on average (steepest stretch 35%). Race day is 8 August 2026, starting at 07:00; the sun rises at 06:16 and sets at 21:14. Typical race-day weather at the start: a high of 21°C and a low of 10°C, with a 44% 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.
Load the course in the TrailGoat Run Planner for grade-adjusted pacing, climb-by-climb splits, hourly weather and a full hydration & fueling plan — free, no account needed.
Race director? — one line of HTML, always up to date.
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 — 2026Aug · 81 km · 42 m/km · AlbertaMostly trail · Similar weather · Similar climbing
- Fat Dog 120 100k — 2026Aug · 103 km · 42 m/km · British ColumbiaSame distance · Similar climbing · High altitude
- Black Spur Ultra 108K — 2026Aug · 108 km · 40 m/kmSame distance · Similar weather · High altitude
More race courses
- Lost Soul Ultra 100 Mile — 202650.5 km · Alberta, Canada
- Moose Mountain Trail Races 50K — 202649.5 km · Alberta, Canada
- Iron Legs Mountain Races — 202680.9 km · Alberta, Canada
- Moose Mountain Trail Races — 202640.2 km · Alberta, Canada
- Ice Age Trail 50 — 202777.5 km · location TBD
- Penyagolosa Trails CSP 106K — 2027105.2 km · location TBD
Not seeing the race you came for? — most are live within a day.