Best 70.3 races in Ireland
3 rated races, ranked by an overall score built from racer reviews and race reports. How we score
3 races
By the numbers
Not a standard 70.3Overall score 3.9Very good#39 of 221Strong evidence · 12 sources
Water 14 °C (57 °F)
1. The Gauntlet at Lough Cutra Castle
Overall score 3.9Very goodStrong evidence · 12 sourcesTop 18%#39 of 221 overallGort, Ireland · Next race 29 May 2027
Not a standard 70.3 · 1.9 / 96 / 21 kmRacers loveCastle estate venue with a scenic lake swim in about 14 °C (57 °F) water
Watch outSwim measured up to 2.45 km (1.5 mi); the 2025 bike was cut to about 76 km (47 mi)
- Water
- 14 °C (57 °F)
- Best
- Race 4.1
- Weakest
- Bike 2.8
Not a standard 70.3Overall score 3.6Very good#86 of 221Moderate evidence · 5 sources
Bike climb 1,400 m (4,590 ft)
2. Hardman Waterville Half
Overall score 3.6Very goodModerate evidence · 5 sourcesTop 39%#86 of 221 overallWaterville, Ireland · Next race 10 Jul 2027
Not a standard 70.3 · 1.9 / 94 / 21 kmRacers loveAtlantic-coast swim in Waterville Bay and a flat four-lap promenade run lined with spectators
Watch outBrutal bike: roughly 1,300-1,500 m (4,300-4,900 ft) of climbing with steep descents
- Bike climb
- 1,400 m (4,590 ft)
- Field
- about 200
- Best
- Run 4.0
- Weakest
- Bike 3.2
Not a standard 70.3Overall score 3.2Good#129 of 221Moderate evidence · 5 sources
3. The Lost Sheep Triathlon (Kenmare Middle Distance)
Overall score 3.2GoodModerate evidence · 5 sourcesBottom 43%#129 of 221 overallKenmare, Ireland · Last race 29 Aug 2026
Not a standard 70.3 · 1.9 / 83 / 21 kmRacers loveIrish national middle-distance championship venue in several years
Watch outThe 83 km (51.6 mi) bike is short of standard but hard, with the Healy Pass
“spectacular views” the42.ie 2012 report
- Field
- about 400
- Best
- Swim 3.8
- Weakest
- Run 2.4
About these ratings
Races are ranked by an overall score out of 5, built from racer reviews and race reports, on the race itself, swim, bike, run, conditions and travel. 5 is always the better end. How we rate
70.3 course: 1.9 km (1.2 mi) swim, 90 km (56 mi) bike, 21.1 km (13.1 mi) run.
22 racer reviews and race reports.
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