London Aquathlon October 2025

Join us for the RunThrough London Aquathlon on Saturday 25th October 2025!

RunThrough will host London Aquathlon at the iconic London Aquatics Centre and Olympic Park on Saturday 25 October 2025, where many will take on the opportunity to take part in this unique race. Entries are open to anybody above the age of 15 years old.

This London Aquathlon is an exceptional choice for those chasing personal bests, first-timers or those who prefer indoor pool facilities, at the prestigious London Aquatics Centre.

Following the 400m pool swim, the run will take you on a 5km scenic run around South Park, where you will run past the London Stadium, home to the London 2012 Olympics. 

Start Time: 9:00 am

Entry fee £30

Unique Themed Medal

MINIMUM AGE- 15

If you do NOT hold a BTF membership please note, there will be an additional £8 added during checkout to cover the cost of your BTF day insurance.

Please submit your estimated swim time on the entry form, confirmed waves will be assigned in the 2 weeks prior to the event- the following may be subject to change.