United Kingdom · Wales
Ultra-Trail Snowdonia
Distance
164 km
Date
May 17, 2026
Entry fee
299 GBP
€ / km
€2.10
Wales hard mode: steep slatey climbs, wild weather, and a true mountain 100-miler.
Elevation and Terrain
Total Meters
9500m
D+/KM
57.93m/km
For context, the Tor des Géants 330 loop has 73 D+/km.
Avg Uphill Gradient
14.4%
Avg Downhill Gradient
-13.8%
Uphill gradient distribution
Route Profile
Analysed 2026-05-02Terrain breakdown
Terrain
Climbs
Top climbs
7.0 km · 887 m gain
starts km 0 · avg 12.7% · max 42.2%
6.1 km · 882 m gain
starts km 124 · avg 14.5% · max 59.2%
4.1 km · 725 m gain
starts km 109 · avg 17.5% · max 56.9%
Top descents
6.2 km · 922 m drop
starts km 130 · avg -14.8% · max -42.4%
5.8 km · 721 m drop
starts km 52 · avg -12.4% · max -57.6%
4.2 km · 675 m drop
starts km 16 · avg -16.0% · max -47.6%
Race files
Logistics
Nearest airport
Manchester (MAN) / Liverpool (LPL)
Notes
Start: ~2–2.5 hrs / Public transport: Train + bus feasible / Accommodation: Tight race weekend
