Naples, NY, United States · Saturday, August 22, 2026

Fixed Distance 100K

Twisted Branch Trail Run

Race completed
100 km Distance
3,000 m Climbing
9.5 Grit · Elite / extreme
42.6153° N, 77.4025° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 30 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 20 hours 12:00 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 72% of 100K races. Measured against 208 races of the same distance. Cut-off calculator →
Field size ~122 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 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, August

Daytime high 26°C
Night low 14°C
Rainfall Showers likely
Daylight 13 h 40 m of light

Regional 2001-2020 average for August — NASA POWER, grid elevation 452 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a rolling course. Expect fast, runnable sections where rhythm is key.

By UltraHub Expert
👟 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 with 3,000 m of ascent.

  • Trail Running Shoes30 m of climb per kilometre — grip and rock protection before cushioning.
  • Race NutritionPast 100 km the palate quits before the legs do — carry more than one flavour.
  • Hydration VestsPole attachment and chest-strap stability on steep ground.
  • Trekking Poles3,000 m of ascent to walk up.
  • HeadlampsA 20 h limit puts you out there after dark.
All gear guides →

Course Notes

The course follows the Bristol Hills Branch trail south from Ontario County Park to its southern terminus in the town of Wheeler, NY.

Similar races

Other 100K trail ultras, closest in distance first.