Trail Running calendar near Spelga Reservoir 2026-2027

The All Terrain Challenge will take place in Castletown from Sunday 19 July 2026 to Saturday 25 July 2026.

Carnavaddy is a fully marked mountain running event in Ravensdale Forest with a long 10 km route and a short 5 km route, both including summit sections and woodland trails. Level B mandatory kit is required and GPS use is not permitted.

A 127 km mountain race along the Wicklow Way from Marlay Park to Clonegal with 3665 m of ascent and a 21 hour limit. Pre-approval and Level C mandatory kit are required; finishers earn 5 ITRA points and receive a commemorative memento.

A 12 km mountain race in County Tyrone with 500 m of ascent to the Mullaghcarn summit. The fully marked course requires Level B kit and is organised by Carmen Runners as part of the IMRA Ulster Championships and NIMRA League.

A half marathon and 10k around the grounds and nearby forest of Hillsborough Castle, supporting Action Mental Health. The event includes distance markers, chip timing, race photos and a themed medal.

Trail race in Glen of the Downs, Co. Wicklow with 8.15 km and 4.88 km routes on a fully marked course. Basic mandatory kit is required and post race refreshments and prize giving are held in the car park.

Mountain runs around the Little Sugar Loaf from Belmont Demesne offer an 8.5 km long course with a rocky summit, a 5 km junior course, and a free 1 km fun run; mandatory kit and online entry rules apply for the scored races.

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

A 215 mile ultramarathon along the Southern Upland Way from Portpatrick to Cockburnspath with 12 checkpoints, mandatory navigation skills and a 100 hour cut-off. Entry is by application and runners must carry required safety kit.

Seven Sevens is a mountain running event in County Down on 8 August 2026 covering 31 km with about 2800 m of ascent. Organised by BARF, the route has only major junction markings and GPS use is not allowed.

A last one standing Backyard Ultra at Florence Court with repeated 4.17 mile laps and one hour per lap; the event continues each hour until a single runner remains and is named Irish Champion 2026.

A marked trail race in Ticknock, County Dublin with a 7.7 km main route and a 4 km junior course. The course includes singletrack, forestry and a 330 m climb and requires Level A kit including a showerproof windproof jacket.

Scrabo in County Down is a NIMRA short-championship mountain race organised by Ballydrain Harriers on 20 August 2026. The course is 6.30 km with 360 m climb; only major junctions are marked and GPS is not allowed.

A mountain running event on Cuilcagh in County Cavan on 12 September 2026, covering 11.90 km with 870 m climb; only major junctions are marked, GPS is not allowed, and Level B mandatory kit is required.

The Spirit of Axnfell will take place in Isle of Man on Sunday 13 September 2026. You can run 32 kilometers.

A ten mile mixed terrain race on 13 September 2026 along the final section of the Mull of Galloway Trail from Sandhead to Stranraer. Entry includes return bus, on course refreshments, a finish goody bag and an eco medal; a four hour cut off..

A two-day mountain navigation and endurance event in the Mourne Mountains for teams of two, with courses of roughly 35 to 55 km and a one-day score option.

Trail running event that starts and finishes on Bray Seafront and routes into the Wicklow Mountains. Distances range from 10K to 80K across coastal paths, forest trails and mountain climbs.

The North Barrule will take place in Ramsey on Saturday 26 September 2026. You can run 5 kilometers.

Women only night trail in County Wicklow on 2 October 2026. The fully marked 7.00 km route follows the Sugarloaf Way, requires a head torch and trail runners, and entry fees will be donated to Bray Women's Refuge.