Ireland
Triathlon Calendar Ireland 2026-2027
Monthly updates for Ireland
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in Ireland for 2026-2027! Our updated list features 8 exciting races across the country. Find your next race in Ireland below and join the running community at these great events! Search for a location or view races near , , , , or .
November 2026
A multisport adventure race in Westport combining running, cycling and a mountain hike on routes that include Croagh Patrick, Clew Bay and the new Greenway.
May 2027
Multisport weekend at Lough Cutra Castle in County Galway featuring triathlon, duathlon, aquabike, aquathlon, open-water swims and run races across multiple distances.
June 2027
A multi-distance triathlon on the River Barrow in Athy featuring four race formats from Try to TA-100, held as the XIX edition on 5 June 2027.
Mixed-discipline adventure races in Connemara with two options: a 68 km run-cycle-kayak and a 34 km run-cycle, both finishing in Westport on 12.06.2027.
July 2027
Half distance triathlon in Waterville on July 10, 2027 featuring a one lap bike through Coomaciste, Sneem, Ballaghbeama and Ballaghisheen and a four lap coastal run.
Monthly updates for Ireland
Get new running races (and updates) in your inbox every month.
A 65 km adventure combining a 1 km kayak on Lough Ennell, 41 km of cycling and a 10 km run over Croghan Hill with obstacles and a 770 ft climb.
A multi-sport weekend on 31 July and 1 August 2027 offering running, cycling and swimming events from 10 km runs to Olympic and half-Iron distances.
August 2027
A three-discipline endurance event featuring a swim in the Lakes of Killarney, a full Ring of Kerry cycle and a marathon through Killarney National Park.
