Trail Running calendar near Castlewellan 2026-2027

A trail race at Donard Forest Park: 8 km with about 500 m climb on forest paths, part of the Hills and Dales series. Entry, age rules and kit requirements are managed through SiEntries.

A multi terrain 5 mile race from CS Lewis Square in Belfast that follows the Greenway into Victoria Park with four varied loops. Prizes are awarded and all finishers receive a Boundary Brewery beer.

Participate in a 16.20 km mountain race through County Antrim as part of the NIMRA Championships. This event features a 620 meter climb over moderate terrain with prize giving in Ballygalley.

A mountain race on 11 June 2026 in the Hills and Dales series, covering 8 km with 800 m of climb from Ott Car Park. The unmarked, anti-clockwise route is organised by Newcastle AC and requires chest numbers and full body cover.

A hill race in the Hills and Dales series at Hen Car Park, covering 5 km with 500 m of climb on open mountain. The unmarked route requires full body cover and a minimum age of 15.

Two 4 Mile races in 2026: a Donadea Forest trail run on 18 June and a Clane road race on 28 August. Open to walkers and runners; entering both gives a 10% discount and a free event t-shirt.

A repeated-lap Last One Standing event at Florence Court on 20 June 2026 where runners must complete roughly 4.2 mile laps each hour; anyone who fails to finish a lap is eliminated. All participants receive a medal and event t-shirt.

A technical 16.7 km mountain race from Flagstaff to Carlingford featuring 1050 meters of ascent. This unmarked course challenges runners with difficult terrain and essential navigation through the peaks of County Louth.

A marked forest trail race at Donard Forest Park offering a 6 km course with 400 m of climb, part of the Hills and Dales series. Entrants must be registered with the organiser and meet the minimum age and kit requirements.

The Cringle Hill Fell Race will take place in Isle of Man on Saturday 27 June 2026.

Experience a traditional mountain race in County Down through the Spelga Skyline. Choose between two distances featuring significant elevation and test your navigation skills in the NIMRA Championship series.

Experience mountain running in the scenic Djouce woods of County Wicklow with 12.2km and 4.6km marked courses featuring forest terrain and technical trails.

Experience a scenic transition from the Newcastle promenade to the foothills of the Mournes in this annual event. Choose between 5km or 10km distances and enjoy a post race BBQ on the coast.

Experience a focused fell race on the Isle of Man featuring a 4.5 km course with 150 meters of elevation. This Summer Hill league counter event starts from the Ardwhallan Outdoor Pursuit Centre.

Tackle the trails of Ravensdale Forest with the Carnavaddy mountain run. Choose between a challenging 10 km long course with 450m of climb or a 5 km short course. Mandatory safety kit is required, and the event finishes with prizegiving at..

Experience a mountain run through the Sperrins reaching the summit of Mullaghcarn. This 12 km marked route features 500 meters of climbing and follows scenic trails starting from Gortin Glens Forest Park.

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.

Discover the scenic trails of County Wicklow with this fully marked race through the Glen of the Downs. Choose between two distances and enjoy post race refreshments in a community atmosphere.

Experience mountain running in County Wicklow with routes over the rocky summit of Little Sugar Loaf. Choose between the 8.5 km forest and mountain trail, a 5 km short course, or a 1 km mountain bike track fun run.

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