- Sat 5 Apr 2025
- £28-£34
- Sat 5 Apr 2025
- £28-£34
Torbay Triathlon Relay
An Olympic format mixed Team Relay Triathlon using the fantastic facilities at Torbay Velopark, professionally chip timed over a traffic-free course, BTF affiliated with a great finishers medal.
- Trees not tees
- Recycling
- Newcomers
- Chip timing
- Enter online
- Flat
- Traffic free
- Urban
- Park
- Sustainability policy
- Plastic-free event
- Age 13 & over
- 300 m pool swimming
- 6 km road cycling
- 1.8 km multi terrain running
- Sat 17 May 2025
- £32.50-£97.50
- Sat 17 May 2025
- £32.50-£97.50
Keswick Mountain Festival | Sprint Triathlon
One of the most thrilling triathlons in the country on a super-exciting route with challenging ascents, descents and open roads, narrow in parts. Includes Full Weekend Festival Ticket in the price!
- Newcomers
- Chip timing
- Enter online
- Hilly
- Event village
- Age 15 & over
- 400 m lake swimming
- 18 km road cycling
- 5 km trail running
- Sat 17 May 2025
- £80.25
- Sat 17 May 2025
- £80.25
Outlaw Sprint Nottingham
This open water sprint tri comprises a 750m swim in Regatta Lake, a flat, multi lap bike course and a 5K run – all within the traffic-free park grounds. All levels welcome, solo or relay teams.
- Chip timing
- Enter online
- Age 15 & over
- 750 m lake swimming
- 19 km road cycling
- 5 km trail running
- Sat 17 May 2025
- £140
- Sat 17 May 2025
- £140
ATW Box End Triathlon | Mixed Team Relay
Join up with friends and/or clubmates to take part in the Mixed Team Relay format that saw GB win a gold medal at the last Olympics. Each athlete completes a short triathlon then hands over.
- Enter online
- Flat
- Age 15 & over
- 350 m lake swimming
- 7.7 km road cycling
- 1 km road running
- Sun 18 May 2025
- £50-£256.80
- Sun 18 May 2025
- £50-£256.80
Outlaw Half Nottingham
Flat, fast and very popular! This open water tri comprises a swim in Regatta Lake, a relatively flat bike course and flat run laps of the lake and River Trent Path . All levels welcome, solo or relay.
- Chip timing
- Enter online
- Age 18 & over
- 1.2 miles lake swimming
- 56 miles road cycling
- 13.1 miles road running
- Sun 18 May 2025
- £120-£139.98
- Sun 18 May 2025
- £120-£139.98
ATW Box End Centurion 100km Triathlon
Challenge yourself to tackle a 100km Centurion this year, a distance made popular by the PTO race series. Ideal if you're training for a 70.3 Half-Iron or taking a step up from Standard Distance Tri.
- Enter online
- Undulating
- Age 18 & over
- 2250 m lake swimming
- 80 km road cycling
- 20 km trail running
- Sun 18 May 2025
- £78-£99
- Sun 18 May 2025
- £78-£99
ATW Box End Sprint Triathlon
Stunning watersports venue with immaculate water quality, scenic run route, custom designed medal plus team relay option.
- Enter online
- Age 15 & over
- 750 m lake swimming
- 26 km road cycling
- 5 km road running
- Sun 18 May 2025
- £99-£120
- Sun 18 May 2025
- £99-£120
ATW Box End Standard Triathlon
Stunning watersports venue with immaculate water quality, scenic run route, custom designed medal plus team relay option.
- Enter online
- Age 17 & over
- 1500 m lake swimming
- 40 km road cycling
- 10 km road running
- Sun 18 May 2025
- £73-£84
- Sun 18 May 2025
- £73-£84
Roadford Lake Triathlon | Standard
This triathlon returns for another successful year! It’s a superb swimming venue with quiet rolling roads for the bike course and a cracking run too. Plus there's lakeside camping available too.
- Chip timing
- Enter online
- Undulating
- Age 17 & over
- 1.5 km lake swimming
- 40 km road cycling
- 10 km road running
- Sun 1 Jun 2025
- £165-£186
- Sun 1 Jun 2025
- £165-£186
ATW Grafman Middle Distance Triathlon
Take on a superb middle distance triathlon at the fantastic Grafham Water. Suitable for all abilites, with a challenging, but achievable course, and custom medal at the finish line.
- Chip timing
- Enter online
- Undulating
- Age 18 & over
- 1900 m lake swimming
- 90 km road cycling + 1844 ft ascent
- 21 km multi terrain running + 253 ft ascent
- Sun 8 Jun 2025
- £75-£81
- Sun 8 Jun 2025
- £75-£81
Dartmouth Triathlon | Standard
The successful Dartmouth Triathlon returns for its 9th year! Sea swim, stunning coastal bike route, out and back run including Devon's flattest road, plus chance to camp on the beach!
- Chip timing
- Enter online
- Age 15 & over
- 1.5 km sea swimming
- 40 km road cycling
- 10 km road running
- Sun 8 Jun 2025
- £59-£75
- Sun 8 Jun 2025
- £59-£75
Dartmouth Triathlon | Sprint
The successful Dartmouth Triathlon returns with a stunning sea swim, coastal bike route, out and back run including Devon's flattest road plus chance to camp on the beach! Relay option too
- Chip timing
- Enter online
- Age 15 & over
- 750 m sea swimming
- 20 km road cycling
- 5 km road running
- Sun 29 Jun 2025
- £310-£330
- Sun 29 Jun 2025
- £310-£330
The Northumbrian | Full Iron Distance
Full Iron Triathlon distance with 4 laps in the famous Kielder Water, a cycle into the Scottish Lowlands then an off-road trail run along forest trails. It's a huge challenge on the legs!
- Chip timing
- Enter online
- Hilly
- Age 18 & over
- 2.4 miles lake swimming
- 112 miles road cycling
- 26.2 miles trail running
- Sun 29 Jun 2025
- £195-£210
- Sun 29 Jun 2025
- £195-£210
The Northumbrian | Half Iron Distance
Racing through the hills Kielder Forest and on hard-packed trails around the lake, this half distance triathlon is a serious test of endurance.
- Chip timing
- Enter online
- Hilly
- Age 18 & over
- 1.2 miles lake swimming
- 56 miles road cycling
- 13.1 miles trail running
- Sat 5 Jul 2025
- £250-£270
- Sat 5 Jul 2025
- £250-£270
ATW Odyssey Full Distance Triathlon
Complete your own Odyssey on a journey of self-discovery in the Cambridgeshire countryside featuring a swim in the River Ouse, a scenic ride and a run around the beautiful town of St Neots.
- Enter online
- Undulating
- Age 19 & over
- 3.8 km river swimming
- 180 km road cycling
- 26.2 miles road running
- Sat 5 Jul 2025
- £130
- Sat 5 Jul 2025
- £130
ATW Odyssey Half Distance Triathlon
Complete your own Odyssey on a journey of self-discovery in the Cambridgeshire countryside featuring a swim in the River Ouse, a scenic ride and a run around the beautiful town of St Neots.
- Enter online
- Undulating
- Age 18 & over
- 1900 m river swimming
- 90 km road cycling
- 21.1 km road running
- Sun 6 Jul 2025
- £85-£129
- Sun 6 Jul 2025
- £85-£129
Croyde Ocean Triathlon | Olympic Distance
This Olympic Distance Triathlon was one of 220 Triathlons 'Top 21 must-do' triathlon challenges for 2022, and shortlisted for best triathlon in the UK for 2020! Stunning and savage.
- Chip timing
- Enter online
- Age 17 & over
- 1.5 km sea swimming
- 37 km road cycling
- 12 km trail running
- Sun 6 Jul 2025
- £65-£100
- Sun 6 Jul 2025
- £65-£100
Croyde Ocean Triathlon | Sprint Distance
This stunning but less savage Sprint Tri takes in all the awesome views and winding hilly Devon roads you have come to expect from the award-winning Croyde Ocean Triathlon!
- Chip timing
- Enter online
- Age 15 & over
- 750 m sea swimming
- 18.5 km road cycling
- 5.5 km trail running
- Sat 2 Aug 2025
- £109
- Sat 2 Aug 2025
- £109
London T100 | Sprint
Formerly The London Triathlon, this is one of the world’s biggest triathlons where athletes will race through the capital on a landmark-filled route. London is calling!
- Chip timing
- Enter online
- Traffic free
- Age 17 & over
- 750 m dock swimming
- 20 km road cycling
- 5 km road running
- Sat 2 Aug 2025
- £149
- Sat 2 Aug 2025
- £149
London T100 | Olympic
Formerly The London Triathlon, this is one of the world’s biggest triathlons where athletes will race through the capital on a landmark-filled route. London is calling!
- Chip timing
- Enter online
- Traffic free
- Age 17 & over
- 1.5 km dock swimming
- 40 km road cycling
- 10 km road running
- Sun 17 Aug 2025
- £70
- Sun 17 Aug 2025
- £70
Buckinghamshire Triathlon | CRUK Wave
A non-competitive triathlon where £10 of your entry fee goes to Cancer Research UK and every finisher gets an official medal. Guaranteed fun for all abilities and complete beginners very welcome!
- Enter online
- Age 16 & over
- 150 m pool swimming
- 6.5 km road cycling
- 2.5 km trail running
- Sun 17 Aug 2025
- £60-£89
- Sun 17 Aug 2025
- £60-£89
Buckinghamshire Triathlon | Fun2Tri
A fabulous non-competitive triathlon at an accessible location with maximum support to encourage beginners to have-a-go and earn an official medal!
- Enter online
- Traffic free
- Age 16 & over
- 100 m pool swimming
- 6.5 km road cycling
- 1.25 km trail running
- Sun 17 Aug 2025
- £60-£89
- Sun 17 Aug 2025
- £60-£89
Buckinghamshire Triathlon | Fun Triathlon
A fabulous non-competitive triathlon at an accessible location over 'Super Sprint' distance with maximum support to encourage beginners and earn an official medal!
- Enter online
- Age 16 & over
- 150 m pool swimming
- 10 km road cycling
- 2.5 km trail running
- Sun 17 Aug 2025
- £60-£89
- Sun 17 Aug 2025
- £60-£89
Buckinghamshire Triathlon | Super Sprint
A fabulous competitive Super Sprint triathlon at an accessible location for all abilities with official finishers medals and trophies awarded to first place in each category.
- Enter online
- Age 16 & over
- 150 m pool swimming
- 10 km road cycling
- 2.5 km trail running
- Sun 17 Aug 2025
- £60-£89
- Sun 17 Aug 2025
- £60-£89
Buckinghamshire Triathlon | Sprint
A competitive Sprint triathlon at an accessible location for a range of abilities with official finishers medals and trophies awarded to top 3 in each category as well as 1st place in every age group.
- Enter online
- Age 16 & over
- 300 m pool swimming
- 20 km road cycling
- 5 km trail running
- Sat 4 Oct 2025
- £210-£235
- Sat 4 Oct 2025
- £210-£235
THE ROC SCOTLAND
Scotland, you are immense. ROC Scotland athletes, you are legends! THE ROC takes on the Highlands, from Kinlochleven to the summit of Ben Nevis, the UK’s highest mountain and back.
- Recycling
- Plastic bottle free
- Music
- Chip timing
- Enter online
- Hilly
- Mountainous
- Event village
- Rural
- Mountains
- Sustainability policy
- Plastic-free event
- Age 18 & over
- 1.5 km lake swimming
- 53 km mountain biking
- 18.5 km multi terrain running
- Sun 27 Apr 2025
Stratford Triathlon | CRUK Wave and Relay
- 200 m pool swimming
- 18 km road cycling
- 2.5 km road running
- Sun 27 Apr 2025
Stratford Triathlon | Sprint and Relay
- 400 m pool swimming
- 18 km road cycling
- 5 km road running
- Sun 11 May 2025
Cheshire Triathlon | CRUK Wave and Relay
- 200 m pool swimming
- 21 km road cycling
- 2.5 km trail running
- Sun 11 May 2025
Cheshire Triathlon | Sprint and Relay
- 500 m pool swimming
- 21 km road cycling
- 5 km trail running