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Standard duathlons in Wales in Summer
Find standard duathlons in Wales in Summer - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Sun 14 Jun 2026
- £85.99-£95.99
Caernarfon, Gwynedd, UK
Slateman Triathlon & Duathlon | Standard Duathlon
The most iconic multi-sport adventure race in Wales, combining a brutal mountain cycle and a demanding run through Snowdonia’s dramatic, awe-inspiring landscape.
- Chip timing
- Enter online
- Hilly
- Mountainous
- Age 17 & over
- 5.8 km trail running + 718 ft ascent
- 49.9 km road cycling + 2765 ft ascent
- 11.7 km trail running + 1276 ft ascent
- Sun 28 Jun 2026
- £94.99-£105.99
Llandudno, Clwyd, UK
Wild Horse Brewing Co. Llandudno Triathlon & Duathlon | Standard Duathlon
Run, ride, run along Llandudno’s spectacular coastline — a challenging yet achievable duathlon with closed rolling roads, a fast finish and classic seaside atmosphere.
- Chip timing
- Enter online
- Traffic free
- Age 17 & over
- 5 km road running
- 34.75 km road cycling + 701 m ascent
- 9.4 km road running