Voted Welsh triathlon event of the year  2016





May I take this opportunity on behalf of Celtic tri to thank you all for supporting this event. We are proud to announce this race is part of the Welsh Triathlon Tri star series

Please take time to read the following; it is important for the smooth, safe and enjoyable running of the event.

Mark Edwards/Hayley Harris, Race Organiser.

The Annual Aquathlon youth, tristar  race run by Celtic Tri Triathlon Club at the Ystradgynlais Sports Centre in memory Of Stephen Lewis. This race will be open over various distances for children between the ages of 8 (on or before the 31st of December 2024) and 19.

Please note that the category that the athletes will compete in is determined by their age on or before the 31/12/2024 so please be sure to sign them up for the correct race.

Event information

Ystradgynlais Sports Centre, Swansea, West Glamorgan, SA9 1AP

 There will be ample on site parking for competitors located at the leisure centre complex.

Those competing are asked to register 20minutes before their allocated start time.

We also ask that Athletes be ready at side of the leisure centre pool entrance 10 minutes before their allocated time slot,  They will then be asked to wait poolside until instructed to enter the pool.

 There is a small Poolside viewing area, please be respectful 

General sequence of events

8:45am Registration Outdoors near finish line area and Transition opens


9:45am Event start

1pm event finish and presentation


From 8:45am onwards at the large grass patch next to the finish line area 

Here you will be issued with your race number and race chip for timing purposes

first swimmers will be starting at 9:45am



There will be 4 lanes with 2 swimmers in each lane. Please swim UP and DOWN the side indicated by the swim marshals.

  • It is your responsibility to ensure you swim the correct distance, although there will be lane counters to assist.
  • On completion of the swim, please leave the poolside by the exit indicated and make your way to the transition area, as shown. Please leave the swim hats with the marshal as you exit the water. There will be no Dive starts, everyone will start with a push start off of the wall.



Leave your race number, clothing and shoes for the run sections in the transition area, Tri boxes will not be allowed. Do not leave clothes in the way of other competitors – keep them neat. 



Numbers must be on display throughout the run section on the front of every athletes.

The run course is traffic free and predominately on tarmac and grass, but please be careful on uneven ground.


 map yst

 T1, T2, T3 and youth/junior

 Depending on which category you are in will depend on distances you will swim and run, these are indicated below

Tstarts 50m Swim (2 lengths) 500m run (smaller loop around the carpark down path infront of school to finish)

 T 1 150m Swim (6 Lengths) 1000m Run 1 Red loop

T 2 200m Swim (8 Lengths) 2000m Run 1 Red loop 1 Blue loop

T 3 300m Swim (12 Lengths) 3000m Run 1 Red Loop 2 Blue loops

Youth/junior 300m Swim (12 Lengths) 3000m Run 1 Red loop 2 Blue loops.

The run route is subject to alteration depending on weather conditions on the day.

It is the responsibility of the athletes to run the correct number of loops, There will be a marshal checking and there will be electronic lap counting to make sure that everyone has run the correct amount

Numbers must be visible on the front of athletes so that they can be seen as they cross the finishing line, 

The presentation of the Awards will all take place once all waves have finished estimated to be at around 1pm

Changing facilities and toilets will be available within the pool building could we ask that adults and non competitors do not use the toilets within the changing rooms please

thank you

Mark Edwards/Hayley Harris



2021 Results 

2020 results? who am i kidding 

2019 results

Results 2019 with splits

2018 Results

Results 2018 with Splits

2017 Results

2016 results

2016 official photos.