Monster Triathlon

Windsor, Windsor and Maidenhead, United Kingdom
22-28 Jun, 2025 (Sun - Sat)

Triathlon

5 km, 50 km, 1000 km

Cycling

1000 km

Running

50 km

Swimming

5 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 48 weeks to prepare

5K Swim

22 Jun, 2025 (Sun)
Swimming
5 km
Solo
On site
Lake

Monster Triathlon

22 Jun, 2025 (Sun)
Triathlon
Solo
On site
  • Swimming
    5 km
    Lake
  • Cycling
    1000 km
  • Running
    50 km

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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