Castle To Castle Ultra 36

Race completed

58 km Distance

not publishedn/a Climbing

2.9 est Grit · Entry level

Calculated from 58 km alone — the organiser has not published an elevation profile. Read 2.9 as a floor, not a verdict.

53.8667° N, 2.4000° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 10 hours 10:21 min/km average. Generous. Walkable throughout for most of the field. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Tighter than 75% of 50K races. Measured against 999 races of the same distance. Cut-off calculator →

Typical conditions, July

Daytime high 18°C

Night low 11°C

Rainfall Showers likely

Daylight 16 h 31 m of light

Regional 2001-2020 average for July — NASA POWER, grid elevation 169 m. Not a forecast.

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

Gear for this race

Chosen for 58 km of trail.

Trail Running Shoes 58 km of trail — cushioning that is still there in the last quarter.
Race Nutrition 58 km of self-supported fuelling between aid stations.
Hydration Vests Flask capacity for 58 km, without the bounce.
GPS Watches Battery life first — a 58 km day outlasts most full-GPS modes.