Monster Triathlon
Windsor, Windsor and Maidenhead, United Kingdom
22-28 Jun, 2025 (Sun - Sat)
Cycling
1000 km
Running
50 km
Swimming
5 km
Triathlon
5 km
1000 km
50 km
About the event
The Monster Triathlon ends with an ultra-marathon along the riverside of the Thames. The run will be clearly marked and goes from Slough to Windsor and then along the Thames in London, mostly on the Thames Path. Every 10k of the run, there will be water stations allowing competitors to replenish their hydration packs and get necessary food and energy.The Monster Triathlon is not only an incredible challenge, but also serves to highlight the gorgeousness and variety of the United Kingdom.
Races offered by this event
You have 30 weeks to prepare
Monster Triathlon
22 Jun, 2025 (Sun)
Triathlon
Solo
On site
Swimming
5 kmLakeCycling
1000 kmRunning
50 km
5K Swim
22 Jun, 2025 (Sun)
Swimming
5 km
Solo
On site
Lake
1000 km Cycle
23 Jun, 2025 (Mon)
Cycling
1000 km
Solo
On site
Road
50KM Ultra Marathon
28 Jun, 2025 (Sat)
Running
50 km
Solo
On site
Road
Point to point
River
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Official links
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