Swim the Lake Festival - MSTC 2025

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ENTRIES OPEN NOW

DATE: Weds. 9th July

VENUE:
Ardingly Resevoir, Ardingly RH17 6SQ
The event is organised by Mid-Sussex Triathlon Club who are authorised to swim at this venue.

START TIME:
Arrival from 5.30pm onwards & start time from 7pm , Registration closes 6.30pm SHARP, Open Water Swim - WETSUITS optional up to and including 22degrees C. above no wetsuits but must use TOW FLOAT. Aquathlon - BTF rules apply - no running in wetsuits)

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STL festival distances

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ENTRY FEES:
Swim 3km-£35.00, 1.5km £28.00, 750m-£26.00,
Aquathlon-£27.00 (Aquathlon only-non BTF members an additional Race Pass required )

British Triathlon Race Pass (Aquathlon only) £8.00
All competitors must be members of British Triathlon for the duration of the race. If you are NOT a member this fee is added when entering via Entry Central.
Note: swim only events are not British Triathlon events and are not charged a Race Pass fee..

RACE INFORMATION(updated pdf.)

The Beautiful surroundings at this location is great to take a long distance swim. The water is set in the lovely countryside of west Sussex high hills on all sides, wild birds and the iconic Ardingly College building in the back ground. The triangular swim course is based in the western side of the water and swims out from the Activity Centre to the middle of the water then back along the far side, then across in front of the main wall. All spectators will get a great view of the whole course.

There will be Activity Centre support craft and support kayaks on duty to assist you in your swim.
The Aquathlon run course & 5km fun run is 2 laps of 2.5km mostly on track. Online Entries website is open until 10am on race day.

Entries on the day are currently NOT available and you can register from 5.30pm , last registration is at 6.30pm.
Facilities - There are Toilets, but sadly no changing or shower facilities available.

ARRIVAL; Please arrive in good to time to register, get in your wetsuits- your choice below 22degrees C and attend briefing. Please Note:At the end of the event the venue will close and gates locked at 9pm.

TIMING:
Manual timing - Water entry, water exit. Aquathlon addtionally end of run

PARKING:
Parking at the reservoir is limited so please park responsibly. Please share transport or cycle to the venue wherever possible.



Race Briefing video below - updated


Enter Swim the Lake on the links below



Ardingly Swim
Ardingly reservoir swim