ESSEX OPEN WATER SWIMS 2026 - HANNINGFIELD RESERVOIR

🎉 Hanningfield Reservoir Open Water Swim – Saturday 16th May 2026 🎉

Wild Deer Events are excited to return to Essex for a very special opportunity to swim in the breathtaking Hanningfield Reservoir – a Site of Special Scientific Interest (SSSI) – on Saturday 16th May 2026!

🏞️ Nestled between Billericay and Chelmsford, Hanningfield Waterside Park offers a truly unique experience. With access rarely granted for open water swimming, this is your chance to enjoy a swim surrounded by mature woodlands and expansive views across the 870-acre reservoir.

This beautiful and tranquil venue also features scenic walking trails, bird hides, ponds, and a café – making it a great spot for both participants and spectators.

📍 Event Location

Hanningfield Waterside Park, Giffords Lane, South Hanningfield Road, Chelmsford, Essex, CM3 8HX

Google Maps Location – Click here

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🏁 Event Distances

• 🏊‍♂️ 750m Open Water Swim
• 🏊‍♂️ 1,500m Open Water Swim (2 laps of the marked 750m course)

All swims will take place within a clearly marked course, supported by safety boats and first aid at the water’s edge.

🧊 Wetsuit Policy

We anticipate the water temperature will be warm enough that wetsuits are optional, but we recommend wearing one for added comfort and buoyancy, especially for less experienced swimmers.

⏱️ Timing

The event will feature Live Chip Timing, provided by Timing Up North, for accurate and real-time results.

🎖️ The Finish Line

All swimmers will receive:

• 🏅 A bespoke Event Medal
• 🎽 Wild Deer Merchandise
• 🥤 A drink and snack to refuel

👕 T-Shirt Option

A custom Wild Deer event t-shirt is available as an optional extra during registration for £12.

🅿️ Parking

✅ Free Parking is available on-site for all participants.

🐶 Dogs at the Venue

Please note: Due to the ecological sensitivity of the site (SSSI), dogs are not permitted anywhere around the reservoir.

🗓️ Mark your calendar for Saturday 16th May 2026 – this is a rare and special chance to swim in one of the most beautiful and protected open water venues in the UK.

Don’t miss out – we can’t wait to welcome you to the water!