Trail Running calendar near Isle of Arran 2025-2026

Join a social 10 km trail run from Milngavie Train Station along local paths including sections of the Clyde Coastal Path and West Highland Way. A qualified, first aid trained guide will lead and regroup a small capped group for a relaxed,..

Join the Boxing Day Boomerang at Dundonald Castle on Friday 26 December for a scenic 5 km or 10 km run supporting Ayrshire Sportsability. Enjoy castle views, tearoom treats and a festive community vibe with prizes and a charity raffle.

Join Mallusk Harriers for the Mathieson Cup and Shield XC on 11 January 2026 at Mallusk Playing Fields, Belfast. Part of the Athletics NI Cross Country League, expect classic off road terrain from flat to hilly and races from 800 m to 8K.

Join the Buchlyvie 10k trail on 24 January 2026 in Stirling for a mostly flat out and back on an old railway track, chip timed with great support and post race baking. Limited to 300 runners, fun medals and goodie bags for all.

Join Annadale Striders for the Malcolm Cup XC at Ormeau Park, Belfast on 1 February 2026, a lively cross country meeting with races for youth and seniors up to four miles. Enjoy competitive racing, team and individual prizes, and enter via..

Tackle a scenic 21ish mile trail loop around the Ardgartan Peninsula with big climbs and sweeping loch views, mostly off road across forestry tracks and open hills. Limited to 140 places, this is a challenging and beautiful winter trail run..

Take on the six hour Trailspire Ultra at Callander Park, a fully waymarked loop of rolling trails and woodland with views of historic Callander House. Run solo or with a two person relay team and see how many laps you can complete.

Warm up your winter with the Glasgow Winter Warmer Run at Glasgow Green on 8 February 2026, with 5K, 10K and half marathon options for all abilities. Mainly flat path course, chip timed with medals and optional fundraising for Shelter.

Explore new routes through Devilla Forest at the Carnegie Harriers trail races on 8 February 2026, with scenic 15k and 5k options. Pre entry only, chip timed and marshalled, finishers get bespoke medals and post race refreshments.

Take on the scenic Glentress Trail Marathon in Tweed Valley Forest Park on Sunday 15 February 2026, two laps of a 21k circuit with about 1,260 m ascent. Expect forest tracks, singletrack and mountain bike trails plus on-site cafe and shower..

The Glentress Trail Running Event will take place in Peebles on Sunday 15 February 2026. You can run between 5 and 21 kilometers.

Run Glentress on 15 February 2026 with 42 km, 21 km, 10 km or a new 5 km option across the scenic Tweed Valley forest. Expect flowing singletrack, panoramic climbs and fully marked routes that suit a range of abilities.

Grab the ACORN Trail Card for entry to six Acorn Trails races in 2026, plus your choice of a green tee or planting a rewilding tree and a personalised shirt at season end. Only 50 cards available, with priority entry and special pricing.

Run through the dramatic grounds of Culzean Castle and Country Park on 1 March 2026, choosing from 5km, 10km or a half marathon. Enjoy coastal views, woodland trails and a lively finish with medal, goodies and Canicross friendly options.

Enjoy spring trails at Chatelherault Country Park in Hamilton on 29 March 2026 with 5 km, 10 km or 15 km options for all abilities. Friendly vibe, scenic views and easy online ticketing make this a great day out for runners and supporters.

Enjoy a 20 mile coastal trail beside the Giant's Causeway with cliffs, beaches and ancient ruins on the North Antrim Coast. This scenic UTMB qualifier counts toward the Endurancelife leaderboard and features full timing.

Bruce's Crown Race is a challenging 46 mile team endurance route across three Galloway ranges with over 4000 metres of climbing and demanding navigation. Teams of 2 to 4 tackle the wild course within a 24 hour cutoff while supporting Gallow..

Heart of Granite on 11 April 2026 is a rugged 20 miles mountain loop through Galloway summits, demanding navigation and experience. Finishers get vegetable soup and a local beer while supporting Galloway Mountain Rescue.

Enjoy a scenic run around Gartmorn Dam on mixed roads and woodland trails with views of the Ochils. A 6 mile senior race and a 2 mile junior race make this a great family friendly spring outing with marshals and post race refreshments.

Take on 42 miles along the West Highland Way from Tyndrum to Fort William, with roughly 6500 ft of ascent and stunning Highland scenery. A marked route with checkpoints and a 12 hour time limit makes this a true endurance challenge.