Event details
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- . 36 days left to book
- Windsor
- 300 participants
- By WMP Creative

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Join in the Monster Experience and take part in the last leg of the Monster Triathlon with this 50k ultramarathon. Push yourself while you enjoy scenic views from Windsor along the Thames Path and celebrate crossing the finish line in Richmond.
C-19 Plan
WMP Creative has confirmed that this event will be going ahead as planned on Friday 25th Jun 2021 in accordance with the COVID-19 safety measures. Learn moreHow to enter the Monster Run
- Run 50km
Monster Run route
The Monster Triathlon concludes with an 50k ultra-marathon along the banks of the Thames and the route utilises much of the Thames Path as it winds its way towards the finish venue in Richmond.
This is an ideal opportunity for those in and around London to take part in an ultramarathon, and the event counts for UTMB qualifying points.
Event Details
What’s Included
Raceday Logistics
Kit List
Spectators
Volunteers
Frequently Asked Questions
What safety measures are there for the event?
The Event Team includes medics, who are on hand to help you with scrapes and bruises of all sizes. They also know all the nearest hospitals all along the route.
Before you set off on each day the event, you will be given a briefing – to make sure you enjoy a healthy and safe day.
How old do I have to be to take part?
This event is only open to people over the age of 18.
What information will we get about taking part?
You will receive a welcome email covering travel, what to bring, maps, directions and so on before the event.
Meet the organiser

Our work spans the creative landscape.
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Tickets £35
- Official booking partner
- Best price guarantee
- Free injury protection
Have a question? See our Help Center
- We're #1 for customer satisfaction