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YOMP MOUNTAIN CHALLENGE 2026

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On 13th June 2026, we will offer seasoned and amateur runners alike the opportunity to take part in ThruDark's trail running events at the Yomp Mountain Challenge located in Kirkby Stephen.

Combining the gruelling demands of ultramarathon running in terrain and conditions equally as unforgiving as the Yorkshire Dales, the inaugural “ThruDark Mountain Marathons” are set to be a true test of “Endeavour Through Adversity”.

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DETAILS

WHEN

The event will run from 12th-14th June with the ThruDark races taking place on Saturday 13th June.

WHERE

All the races and base camp will be at The Engine Shed, Pennine View Park, Kirkby Stephen, CA17 4SZ.

BASE CAMP

Basecamp will include food vendors, beer tent, family activities and live music. Accommodation options for the weekend can be found here.

PARKING

Free event parking will available at Station Yard, Kirkby Stephen, CA17 4LA. This is just a short walk across the road.

All races timetable & pricing

If the ThruDark Marathon or Ultra feels like too much, don’t worry! The Yomp Mountain Challenge offers shorter races on the same day and in similar settings, so you can challenge yourself and still be part of this unique festival experience.

LA SPORTIVA SUNSET STROLL

Date: Fri 12th Jun
Time: 6pm
Price: £15 per entrant
Enter on the day

THRUDARK ULTRA

Date: Sat 13th Jun
Registration: 6:30am
Race Set Off: 8am
Price: £75 per entrant

THRUDARK MOUNTAIN MARATHON

Date: Sat 13th Jun
Race Set Off: 9am
Price: £75 per entrant

JT ATKINSON 20K

Date: Sat 13th Jun
Time: 11am
Price: £25 per entrant

ALDERSONS 10K

Date: Sat 13th Jun
Time: 12pm
Price: £10 per entrant

OUT OF EDEN 5K

Date: Sun 14th Jun
Time: 11am
Price: £15 per entrant
Enter on the day

MORE DETAILS