21 must-do UK triathlons: 4 middle-distance races

From sprint distance to Ironman we list 21 must-do UK triathlons


Location: Weymouth, Dorset
Date: September
Distance: 1.9km | 90km | 21km 

“The gorgeous sunny skies certainly helped but the debut Ironman 70.3 Weymouth in September was a cracking day. The clear and warm blue waters could’ve been lifted from the Med, the rolling bike leg was like a promotional tour of Dorset’s quaint villages and lush countryside, and the flat half marathon was full of buoyant support and old school seaside charm. Just book your hotel early…” Matt Baird, 1,000th in 2016

See also Ironman 70.3 UK in June 


Location: Rutland Water, Leicestershire
Date: September
Distance: 1.9km | 85km | 21km

“The spectacular setting of Rutland Water in the East Midlands plays hosts to 1,000 racers for this middle-distance classic. The two-lap bike course is rolling with one big climb to contend with, and a flat mixed-terrain run around the lake climaxes with a well-spectated finish line creating a party atmosphere.” Jack Sexty, 88th in 2015
See also The Bala Middle in June


Location: Weston-super-Mare, Somerset
Date: September  
Distance: 1.9km | 90km | 21.1km

“The inaugural Titan Weston in 2016 had just over 80 participants to test the waters, but the location and sheer epic-ness of the course could make it a bucket list race on the UK tri calendar, with two climbs of Cheddar Gorge and a start/finish on Weston-super-Mare seafront.” Jack Sexty, 19th in 2016

See also Titan Brecon in June


Location: Ely, Cambridgeshire
Date: August 2017
Distance: 1.9km | 92.8km | 21km

“This was a ‘Montastic’ event! I was really impressed with the organisation and the course was top notch. The volunteers, support and fun-filled atmosphere were awesome and really made you race with a smile. I hope to come back for more action in 2017.” Dionne Allen, 1st female in 2016

See also Outlaw Half Holkham in July 

Continue reading our guide to the 21 must-do triathlons in the UK (long-distance 4/4) 

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