Trail Running Calendar United Kingdom 2025-2026

Welcome to the most comprehensive guide to trail races in the UK for 2025-2026! Our curated list features an impressive 1638 trail runs across the enchanting landscapes of Scotland, and Wales. From the iconic trails of London's green outskirts to the rugged terrains near Birmingham, from Glasgow's scenic paths to Liverpool's historic routes, we've got every trail enthusiast covered.

Whether you're a seasoned trail runner looking for your next challenge or a newbie eager to explore the world of off-road running, our calendar is your one-stop solution. Dive deep into the details by searching for a specific location or simply browse through to discover new trail runs. Looking for all running events? Check out the complete Running Calendar United Kingdom on running.life.

Enjoy the Parwich Panoramic Five on Tue 4 Aug 2026, a scenic 8.5 km trail from the Sycamore Inn in Parwich, Peak District. Expect panoramic views and a 200 m climb; on the day entry only, £5.

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.

A new 4 mile route around Bradwell in the Peak District on Tue 4 Aug 2026 climbs 276 m for a rewarding hill challenge. Teams welcome and pre entry opens in May with on the day entries available at Bradwell Sports Pavilion.

Tackle the MTC Thames Challenge, a four day 184 mile ultra from the Cotswolds to the Thames Barrier, 6 to 9 August 2026. Cover four scenic stages on the Thames Path, earn UTMB points and collect a bespoke medal each day.

Run a scenic 57 mile point to point ultramarathon along the Thames Path through the Cotswolds, finishing in Oxford. All finishers receive a bespoke medal and MTC head visor, with trophies for winners and a charity entry option.

Rodley Rock up n' Run is a pop up summer series event on 6 August 2026 offering scenic off road 5k and 10k routes. Finish behind the pub for a jumble medal, hot food and a beer or soft drink.

Run 49 miles from Oxford to Henley along the Thames Path, enjoying a scenic riverside course with friendly checkpoints. All finishers get a bespoke medal and choice of technical shirt, mug or hat, with trophies for top male and female finis..

Scenic 7 hour timed run along the River Thames on 7 Aug 2026 lets you choose any distance from 3 km to ultra. Finishers get medals and distance pins, with aid stations, cafe and vegan goody bags.

Take on the MTC Windsor Ultra, a 47 mile point to point run along the scenic River Thames from Henley to Kingston. Enjoy riverside views, staffed checkpoints and a bespoke finisher medal plus a technical shirt, mug or hat and charity option..

Take on the Cordwell Colossus, a summer 20 mile trail around Cordwell and Linacre Valleys on the eastern edge of the Peak District with 840 m of climbing. Varied trails, basic navigation and a finisher medal make for a rewarding day out.

Tackle ATW Odyssey12 at Riverside Park, St Neots, a multi terrain lap event where solo runners, pairs or teams rack up 5.3 km laps against the clock. Enjoy festival vibes with live music, food, kids activities and an Odyssey medal for finis..

Take on the North Downs Way 100, a continuous 103 miles from Farnham to Ashford with 11,000 ft of climb and a 30 hour cutoff. Mostly trail, marked route and stocked aid stations lead to a memorable finish at Julie Rose Stadium.

UTMB Index

Run the Stour Valley Path on 8 August 2026, choosing a scenic point to point 100k or 50k with UTMB Index points up for grabs. Mostly trail through rolling countryside with friendly aid stations and a medal and shirt for finishers.

UTMB Index

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

UTMB Index

Race Across Scotland is a 215 mile self supported ultra along the scenic Southern Upland Way from Portpatrick to Cockburnspath, testing endurance over rugged hills with a strict 100 hour cutoff. Entry by application and places are limited.

Tackle scenic trails from Airthrey Castle at the Maverick Ochil Hills Trail, a day of rolling routes through Hermitage Wood and into the Ochil Hills. Distances from 5 km to a 49 km ultra offer challenges for all trail runners.

Head to Arncliffe Village Green for the Arncliffe Gala fell race, featuring a steep climb to a summit and a thrilling return to the green and serving as a BOFRA championship counter. A separate 4 mile road race offers a road option for all..

Run the Mendip Marauder, a scenic but hilly trail on the Mendip Way with 30 or 50 mile options that traverse Ebbor Gorge, Cheddar and woodlands before a memorable finish on Uphill Sands Beach. Well marked trails and staffed aid stations sup..

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.

Choose any number of laps on a scenic 5.3 km loop at Denbies Wine Estate to make distances from 5 km up to ultra. Timed event with a flexible 1.5 hour start window and support on a hilly off road course.