North Wales 100km

Race completed

100 km Distance

8,000 m Climbing

10.0 Grit · Elite / extreme

53.3375° N, 3.4078° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 80 m / km Vertical. Extreme verticality. This is a technical mountain course with sustained steep grades.

Time limit 18 hours 10:48 min/km average. Generous. Walkable throughout for most of the field. About average for a 100K. Measured against 208 races of the same distance. Cut-off calculator →

Typical conditions, April

Daytime high 11°C

Night low 5°C

Rainfall Mostly dry

Daylight 14 h 36 m of light

Regional 2001-2020 average for April — NASA POWER, grid elevation 58 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

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

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 8,000 m of ascent.

Trail Running Shoes80 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 Poles8,000 m of ascent to walk up.
HeadlampsA 18 h limit puts you out there after dark.

Salomon

Ultra Glide 4

$159.95 ★★★★★ 4.6

Brooks

Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted…

★★★★★ 4.5

Spring Energy