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London Fields Senior Aquathlon (London League)

Aquathlon: Swim 0.4km, Run 5km
Event details
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Held in the picturesque London Fields, this Senior Aquathlon events welcomes athletes ranging from newcomers to seasoned vets to swim in East London's only 50m outdoor heated pool and speed through the fast and flat run course. Participants must be 17+ to participate.

How to enter the London Fields Senior Aquathlon (London League)

  1. Senior Aquathlon

    Aquathlon: Swim 0.4km, Run 5km
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London Fields Senior Aquathlon (London League) route

The Swim

400m (8 lengths)

This heated outdoor pool is the perfect place for newcomers to dip their toes into multi-sport events, or for seasoned aquathlon vets to get some serious speed. The swim will be 8 lengths of the outdoor heated pool. Swimmers will start in lane one (as indicated by the marshal on the day) and swim up one side of the lane and back down the other. They will then dip under the lane rope into lane two, and so on. After 400m (8 lengths) they will leave the pool and head into transition. Tumble turns are permitted, however care must be exercised at all times.

Swim start times will be based on the estimated times submitted by competitors so please be sure to submit your time as accurately as possible. Occasionally overtaking might be required. If you wish to overtake the person in front please tap their feet and overtake at the end of the length. If you are tapped on the feet by a faster swimmer please let them through at the end of your length.

There is NO RUNNING IN THE POOL AREA OR TRANSITION — once out of the pool competitors must walk to the transition area. Anyone competitor who runs in the pool area may be given a time penalty.

Transition Area

You will be required to set up your transition area prior to the event starting. The transition area will be open from 7:00am and will close at 7:55am. The transition area will be situated on the grass area adjacent to the exit of the Lido. The beginning of transition is marked with a “Transition In” sign and you can run once you exit transition by crossing the timing mat.

You will be allowed to return to transition to collect belongings when you have finished your race after the last competitor has exited transition to commence the run.

The Run

5km (5 laps)

The run course of the London Fields Aquathlon will be a fast and flat 5K around the scenic park. It will be 5 laps of the 1km course, and it is your responsibility to run the correct number of laps. The course will be a mixture of pavement and grass, so please ensure you have the correct footwear to match the weather on the day.

There will be a timing mat to record the time of each lap undertaken.

Event Details

What’s Included
  • Chip timed results
  • Medals/prizes for Top 3 M/F winners
  • Professional Race photography
  • Heated outdoor pool
Raceday Logistics


07:00 - 07:30: Race registration - in front of the Lido. At registration you will be issued with your race number. This MUST BE shown on your front during the run section of the event. It is preferable to wear a race belt. If not the number can be safety pinned to the front of a t-shirt or vest that can be put on in transition.

07:40: Race Briefing - this is mandatory

08:00: Race start - the start will be staggered with swimmers going off in timed intervals based on estimated start times. Start times will be handed out at Registration. Please line up pool side in number order at least 10 minutes before your start time.

Please arrive at least 45 minutes before race time to ensure plenty of time for registration.


  • Changing facilities - both communal and individual cubicles
  • Bag Check - there will be lockers available for £1 that will be returned


Race results will be published on the London Fields Aquathlon website following the event.

Kit List
  • Swimming costume or Tri Suit
  • Clothes for over your swimming costume during the run with your race number attached to the front or race belt with your number
  • Swim goggles and cap
  • Running shoes
  • All other extras such as elastic laces, specific triathlon clothing, are not a necessity but will help.

Parents, spectators and coaches will be allowed on poolside at the discretion of the Lido but will not be permitted in transition, to count laps, pace or run beside a participant. That being said, cheering is welcome and encouraged. The marshals will be on hand to direct parents and spectators where they may watch the participants. Spectators must comply with the Lido’s requirements and once the participant is changed and ready for the swim we suggest you take you take your positions on the run course/at transition exit to cheer. There will be marshals at poolside to supervise the swim starts.


Our races are entirely organised and marshalled by volunteers from the London Fields Triathlon Club. As much as they love our athletes training and racing together, supporting the club is equally important. LFTC asks that LFTC members to volunteer at their own club organised races throughout the year to make them a success. If you would like to help at any of the races, please visit the London Field Aquathlon website.

Frequently Asked Questions

At what time does the London Fields Aquathlon start?
The race will start at 8am. However you should aim to arrive before 7.30 as registration will be open from 7am to 7.40am and will be followed by a race briefing.
Where can I find results for the London Fields Aquathlon?
You will be able to find a link posted to your results page here after the event.
Am I insured to take part in the aquathlon?
Insurance is compulsory, happily this is included in your race entry fee.

London Fields Senior Aquathlon (London League) weather forecast

Drizzle throughout the day.

Predicted highs
Predicted lows
IconHigh chance of rain
IconLight breeze possible, up to 7mph

Meet the organiser

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London Fields Triathlon Club is a friendly and growing club based in and around Hackney, East London, welcoming people of all abilities ages and backgrounds. Hackney Sports Club of the Year, 2011 and 2013. LFTC offers a range of coaching and racing to keep your training fresh, competitive and fun!



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