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. Firm. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Tighter than 74% of 50K races. Measured against 1066 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.

Course notes

gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.

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.

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

Salomon

Sense Ride 5

RunRepeat found the Salomon Sense Ride 5 to have immaculate lockdown and a smooth and stable ride, making it confident on moderate trails and steep downhills. I…

★★★★★ 4.5

Spring Energy

Awesome Sauce

Real food gel with 180 calories. Rice-based with natural flavors.

$4 ★★★★★ 4.6

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

COROS

APEX 2 Pro

GPS running watch with 75-hour GPS battery, topo maps, and training metrics.

$500 ★★★★★ 4.7

All gear guides →

Overview

The Castle To Castle Ultra 36 was a 58-kilometer trail race that took place in Clitheroe, United Kingdom. This fixed-distance 50k event was organized by Fylde Coast Runners and had an entry fee of £65.

With a 10-hour time limit, the race's cutoff was tighter than 74% of 50k cut-offs, allowing for a cutoff pace of 10.3 minutes per kilometer. This left less margin for error than most comparable races, being more generous than only 26% of 1048 peer 50k events. The race was held on July 18, 2026.

Similar races

Other 50K trail ultras, closest in distance first.