Silverton, Colorado, Colorado, United States · Friday, July 9, 2027

100 mi

Hardrock Hundred

244 days away

161 km Distance

10,058 m Climbing

10.0 Grit · Elite / extreme

37.8119° N, 107.6645° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 62 m / km Mountain. Significant climbing. Steep sections will require power hiking.

Time limit 48 hours 17:53 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 89% of 100 mi races. Measured against 46 races of the same distance. Cut-off calculator →

Field size ~116 Mid-sized. Company early, well spread out by halfway.

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 21°C

Night low 6°C

Rainfall Mostly dry

Daylight 14 h 39 m of light

Regional 2001-2020 average for July — NASA POWER, grid elevation 3222 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a mountain course. Poles are highly recommended for the sustained climbs.

By UltraHub Expert

👟 gear

With mountain terrain, choose a shoe with aggressive lugs (5mm+) 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 mountain with 10,058 m of ascent.

Trail Running Shoes62 m of climb per kilometre — grip and rock protection before cushioning.
Race NutritionPast 161 km the palate quits before the legs do — carry more than one flavour.
Hydration VestsPole attachment and chest-strap stability on steep ground.
Trekking Poles10,058 m of ascent to walk up.
HeadlampsA 48 h limit puts you out there after dark.

Salomon