Wimbleball Lake is set to host an exhilarating triathlon event, marking its return as one of the most sought-after venues for endurance athletes. Known for its previous tenure as the site of Ironman 70.3 over a decade ago, this lake offers a unique and exclusive opportunity with swimming permitted only during race days. The competition kicks off in Wimbleball Lake itself, where participants dive into pristine waters to begin their journey. After emerging from the refreshing swim, athletes transition onto the surrounding countryside roads for an invigorating bike ride. The route is designed to challenge even seasoned competitors, featuring a mix of quiet and scenic lanes that demand both strength and skill. For those opting for the Standard distance, one lap around this hilly terrain will test their endurance as they navigate through varied landscapes. Meanwhile, athletes tackling the 70.3 course are in for an extended adventure with two laps on the bike route, pushing them to explore further into the rolling hills that characterize the area. The event concludes with a picturesque run along Wimbleball Lake’s edge and surrounding trails. This stunning 10K loop is peppered with several climbs that will put runners’ stamina to the test while offering breathtaking views of the lake and its natural surroundings. Whether you're aiming for personal bests or simply enjoying the scenic beauty, this triathlon promises an unforgettable experience. Registration opens soon for those looking to challenge themselves against a backdrop of natural splendor at Wimbleball Lake. Aspiring athletes can look forward to an event that seamlessly blends rigorous competition with serene landscapes and unique challenges.
Races Offered
70.3 Distance Triathlon
Aug 30, 2026
straighten
Distance —
114.9K
terrain
Type —
Multisports
timer
06:00
sell
£139.73
Iron Distance Triathlon
Aug 30, 2026
straighten
Distance —
219.8K
terrain
Type —
Multisports
timer
06:30
sell
£259.62
Standard Aquabike
Aug 30, 2026
straighten
Distance —
47.5K
terrain
Type —
Multisports
timer
08:30
sell
£69.00
Standard Aquathlon
Aug 30, 2026
straighten
Distance —
10K
terrain
Type —
Multisports
timer
08:30
Standard Triathlon
Aug 30, 2026
straighten
Distance —
57.5K
terrain
Type —
Multisports
timer
08:30
sell
£82.80
Weather History
These values represent the 3-year monthly averages for August in Wimbleball Lake, near Dulverton, Somerset, TA22 9NU.
thermostatTemperature
12.2° / 19.9°
wb_sunnyFeels like
10.3° / 17.3°
light_mode
Avg sunshine hours
9h 35m
water_drop
Avg rainfall
1.5 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
15.2 km/h (Gentle breeze)
opacity
Sweat loss rate
Moderate
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (4.9)
humidity_mid
Humidity
79.7%
wb_twilight
Sunrise
06:01
nightlight
Sunset
20:31
About Wimbleball Lake, near Dulverton, Somerset, TA22 9NU
Learn more about the host city, Wimbleball Lake, near Dulverton, Somerset, TA22 9NU.
Wimbleball Lake on Exmoor in Somerset, England, is a water supply reservoir constructed in the 1970s and completed in 1979.