Trail Running calendar near Thornthwaite 2026-2027

We have found 497 Trailruns within 80 miles of Thornthwaite. See below where and when you can find the races.

Tackle the Fellrunner at Lee Mill Quarry, a 10km fell race with 332 m climb, offering steep scenic trails and a tough workout. Entry on the day and teams welcome make this a lively opener for the Rossendale mid week series.

A classic BOFRA fell race at Ambleside Sports, tackling a steep 1.7-mile course with 800 feet of climb. The event features races for multiple age groups and is a championship counter. It's held at Rydal Park as part of the larger sports day..

Join the Heart Of The Lakes Rydal Round, a scenic Lake District fell run of 9 miles with 915 m climb around Rydal Park. Entry is on the day and the race opens Ambleside Sports; sports field admission applies.

August 2026

Experience West Yorkshire’s first female only ultramarathon with this scenic 50km trail race. Enjoy a fully supported course through woodlands and moors, featuring vegan checkpoints and a finish line celebration.

Experience a 37 mile ultramarathon through the dramatic landscape of the North Pennines AONB. Run the historic Isaac's Tea Trail in reverse as a solo athlete or in a relay team of three.

A fell race held within the Osmotherley Show in North Yorkshire on 1 August 2026, covering 8.8 km with 320 m of climb. Entry is open to runners aged 16 and over with day registration and show admission required.

A traditional fell race on Farleton Knott near Kendal, featuring a 2.6-mile course with 750 feet of climb. It includes multiple junior age categories and counts towards the BOFRA Championship. Parking is available for a small fee.

Join the Round Hill fell race for a challenging 14.1 km course with sweeping York Dales views, starting and finishing in charming Timble village. Entry is on the day for a small fee and part of the proceeds support brain tumour research.

Celebrate the 10th anniversary of this coastal 10 mile race along the scenic cliffs of South Shields. Enjoy a marshalled out and back course featuring landmarks like Marsden Rock and Sandhaven Beach.

Crow Hill Reverse fell race in the South West Pennines on 4 Aug 2026 offers a steep 8 km route with 305 m of climb from Dusty Miller pub in Mytholmroyd. No pre entry required; join on the day for £5 and tackle a classic Pennine fell.

Tackle the classic Eshton Moor fell race from Old Hall Farm, Gargrave: 8.3 km with 172 m ascent across rolling York Dales terrain. Entry on the day only, with junior races and a friendly club atmosphere.

The GBultras | Ultra Great Britain will take place in Stranraer on Saturday 8 August 2026.

UTMB Index

Cross the full length of Scotland on this 215 mile trail ultra marathon following the Southern Upland Way. Experience a coast to coast journey through mountains and forests with a 100 hour time limit.

Experience traditional fell running at Arncliffe Village Green in the Yorkshire Dales. This event features distances from 1.3 km to 3 km for seniors and juniors with challenging climbs over scenic terrain.

Challenge yourself to a scenic 17 km Lake District fell race with about 906 m of ascent across classic high ground around Grey Friar and Old Man. Pre entry only via SI Entries from 14 April and all proceeds support Alzheimer's Research UK.

Take on the Devil Half Marathon through the hidden trails of the Derwent Valley on 9 August 2026. This scenic 13.1 mile course offers big climbs, on course photos, live music, refreshments after the race and a finisher shirt.

Experience 13 miles of scenic fells and trails starting from the historic Lowther Castle. This marked course features river crossings and 1400ft of ascent with all proceeds supporting the Eden Valley Hospice.

Take on the classic Whittle Pike fell race in the South West Pennines on Wed 12 Aug 2026, roughly 5.5 miles with 550 m of climb from Cowpe Village Hall. Entry on the day is available for £5, teams welcome and runners must be 16 or over.

Join this classic Keswick fell race in the Lake District on Wed 12 Aug 2026 for a lively 4.7 mile trail challenge with 280 m climb and a summit of Latrigg. On the day entries are welcome, fee £5 and runners must be 16 or older.

Experience a flat trail run along the scenic canal towpaths of Saltaire. With distances from 5k to an Ultra Marathon, runners enjoy a historic world heritage setting and a supportive atmosphere with feed stations every three miles.