Blackfoot Ultra 100 Km

Race completed

100 km Distance

not publishedn/a Climbing

5.0 est Grit · Challenging

Calculated from 100 km alone — the organiser has not published an elevation profile. Read 5.0 as a floor, not a verdict.

53.5006° N, 112.8407° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 14 hours 8:24 min/km average. Comfortable. Room to walk the climbs and stop at aid. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Tighter than 85% of 100K races. Measured against 214 races of the same distance. Cut-off calculator →

Field size ~10 Tiny. You will run alone for most of it.

DUV results for the 2026 edition (100km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, May

Daytime high 17°C

Night low 4°C

Rainfall Mostly dry

Daylight 16 h 34 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 701 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	100km	10	Gregory Cruickshank · 09:18:40	Kimberly Lerbekmo · 12:40:11
2025	100km	12	Danny Kroll · 09:58:38	Faye Baldock · 12:07:17
2024	100km	6	Leigh Chamberlain · 09:47:40	—
2023	100km	14	Danny Kroll · 09:52:08	Kirsti Dolson · 11:49:50
2022	100km	21	Daniel Kroll · 09:43:24	Shauna Coey · 11:39:55
2019	100km	21	Alex Petrosky · 08:14:05	Jessica Laird · 10:48:58
2018	100km	33	David Proctor · 09:06:20	Kerri Treherne · 11:36:30
2017	100km	29	Jason Kinsella · 08:35:25	Anna Duda · 11:27:42
2016	100km	42	Jason Kinsella · 09:23:00	Jessica Laird · 11:10:00
2015	100km	44	Eric Reyes · 08:47:58	Karen Fogen · 10:06:10

The field shrank 17% between 2025 (12) and 2026 (10). 10% of the 2026 field were women.

DUV results for the 2026 edition (100km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

The Aid Station

Course-specific beta from the community

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

🥤 nutrition

For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.

By UltraHub Expert

Gear for this race

Chosen for 100 km of trail.

Trail Running Shoes 100 km of trail — cushioning that is still there in the last quarter.
Race Nutrition Past 100 km the palate quits before the legs do — carry more than one flavour.
Hydration Vests Flask capacity for 100 km, without the bounce.
Headlamps A 14 h limit puts you out there after dark.
Accessories Chafe and blisters end more 100 km races than fitness does.