Triathlons in Dorset
Find triathlons near me in Dorset for 2025/2026 - search by date or place, display on a map or use the advanced search to find your perfect race.
Search by month
Search by place
MapEvents near me
Click an event for full event details, location, route, sustainability, what's included and how to enter.
- Sun 25 May
- £41.50
- Sun 25 May
- £41.50
The Dorchester Sprint Triathlon
Bike past historic landmarks, and run beside the Great Feild at Poundbury. As you finish each leg of the course, you’ll get closer to the crowds of people cheering you on at that final stretch.
- Newcomers
- Enter online
- Undulating
- Event village
- Plastic-free event
- Age 16 & over
- 300 m pool swimming
- 21 km road cycling
- 5 km road running
- Sun 8 Jun
- £60-£125
- Sun 8 Jun
- £60-£125
The WMD Triathlon
Whichever distance you choose, this triathlon will not fail to impress. With stunning views of Weymouth nature reserve and a true test of stamina, you'll be beaming with pride at the finish line.
- Newcomers
- Event village
- Coast
- Age 18 & over
- Half Ironman
- Olympic triathlon
- Sprint triathlon
- Sun 14 Sep
- Sun 14 Sep
IRONMAN 70.3 Weymouth
Situated off the World Heritage Site Jurassic Coast, this race is a first-timer favourite, featuring sandy beaches, spectacular coastline and the stunning Dorset countryside.
- Enter online
- Traffic free
- Event village
- Coast
- Age 18 & over
- 1.2 miles sea swimming
- 56 miles road cycling
- 13.1 miles road running