Mount Ashland, OR, United States · Saturday, July 10, 2027

Fixed Distance 100 mi

Siskiyou Out Back The Brink 100 Mile

283 days away

161 km Distance

not publishedn/a Climbing

8.1 est Grit · Hardcore

Calculated from 161 km alone — the organiser has not published an elevation profile. Read 8.1 as a floor, not a verdict.

42.0809° N, 122.7169° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~23 Small. Long stretches with nobody in sight.

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

Typical conditions, July

Daytime high 31°C

Night low 12°C

Rainfall Dry — rain unlikely

Daylight 15 h 05 m of light

Regional 2001-2020 average for July — NASA POWER, grid elevation 1215 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	100mi	23	James Holk · 20:59:36	Pavlina McGrady · 37:05:04

4% of the 2026 field were women.

DUV results for the 2026 edition (100mi) — 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 161 km of trail.

Trail Running Shoes 161 km of trail — cushioning that is still there in the last quarter.
Race Nutrition Past 161 km the palate quits before the legs do — carry more than one flavour.
Hydration Vests Flask capacity for 161 km, without the bounce.
Headlamps 161 km almost certainly means running into the night.
Accessories Chafe and blisters end more 161 km races than fitness does.