THE SUNDOWNER TRIATHLON 

Saturday 13th September 2025 | Allerthorpe Lakeland Park

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Join us, UPrevail Events, in bringing back the Sundowner. An unforgettable triathlon event at Allerthorpe Lakeland Park in Yorkshire is back on the race calendar for 2025. Choose from two distances with mechanical and medical support, as well as the cheer of the spectators. The Allerthorpe Triathlons are designed to be a fun, friendly and relaxed events with friendly marshalls and plenty of crew around to encourage and support the participants.

Swim

Swim in the shallow and clear open water man-made lake within Allerthrope Lakeland Park. The water depth is no more than 5ft, giving entrants the option to stand if needed. This venue is also well sheltered from winds, meaning the water is flat and not choppy.

Cycle

The bike portion of this race has triathletes take on a flat and potentially fast open road course around the quiet country lanes of the park and local villages.

Run

The picturesque flat trail course around the lake creates a spectator friendly route to keep you going when you need it most. With a closed road section to keep you running safe and enjoy the experience.

Races

Olympic Triathlon - 1500m Swim, 45km Cycle, 10km Run

70.3 Triathlon -  1900m Swim, 90km Cycle, 21km Run

Olympic Triathlon Relay - 1500m Swim, 45km Cycle, 10km Run

70.3 Triathlon Relay -  1900m Swim, 90km Cycle, 21km Run

Olympic Aquabike - 1500m Swim, 45km Cycle

70.3 Aquabike -  1900m Swim, 90km Cycle

Olympic Aquathlon - 1500m Swim, 10km Run

70.3 Aquathlon -  1900m Swim, 21km Run

Start Times:

1pm to chase that sunset

What's included

• Finishers Medal

• Finishers T-shirt

• Athlete Village

• Chip-timed results

• Way-marked route

• Well stocked aid stations (Special Needs requirements met if required)

• Marshalled course

• Complimentary race photography

• Bike Mechanic Support

• Car Parking on-site

• Toilets and changing facilities on-site

• Medical and emergency

• Refreshments, food and drinks

Additionals:

• Family, friends and supporters

• Spectator Friendly

• Cafe on site

• Camping on site available at additional cost - book in directly with the venue