Next Race: 21/09/2025
Promenade Park, Park Drive, Maldon, Essex, CM9 5JQ
The Big East is a Middle Distance Tri involving a 1.5km tidal river swim, an 86km road bike and finishing off with a 20km run.
Alongside this fantastic Middle Distance event you can also choose to take on the usual distances of a Standard (1500m swim, 40km bike, 10km run) or Sprint (750m swim, 25km bike, 5km run) Triathlon.
With the race starting in the afternoon, we encourage athletes to stay behind to socialise with fellow athletes.
Anyone who doesn't want to take part in the run, there is a middle and standard distance Aquabike (swim-bike) option and for those who would like to compete as a team, there is a middle distance relay option, with or 2 or 3 individuals sharing the disciplines between them.
In order to time the start with the high tide, the race will begin in the afternoon at 12:10pm with registration opening at 10:30am.
Due to the tidal flow, the swim leg has a strict cut off time of 1hr 10 mins, and the overall event a cut off of 8.5hrs to ensure everyone finishes in daylight.
The swim uses a 750m swim course (that was new for 2023), starting next to the imposing statue of Byrhtnoth, celebrating the Saxon Battle of Maldon, and heads out towards Northey Island.
This event has a non-draft legal bike leg that takes athletes out of Maldon and onto the quiet, scenic roads of the Dengie Peninsula through the villages of Latchingdon, Tillingham, Steeple and Mayland.
The run course is a flat 5km loop that heads out and back on the promenade before taking the footpath along the sea wall, and heading back towards race HQ. The last kilometre is completed looping around Promenade Park where spectators will get a great chance to cheer you on. The surface is a mixture of paved roads, grass and gravel track.
Transgender athletes are, and will continue to be, very welcome at recreational and competitive activity in Triathlon.
At any competitive event from 1st January 2023, there will be a Female category open to athletes who are the female sex at birth and an Open category open to all other athletes.
Not only will you earn yourself this fabulous medal, there will also be goodies waiting for you at the finish line!
Need to hire a wetsuit? We are pleased to be able to offer Zone3 wetsuits. More information
Event Organiser
ATW was established in 2011 by James Shipley. We have now become a national events company in the UK, specialising in Running, Triathlon, Duathlon, Aquathon, Cycling, Swimming and all permutation of swim-bike run events. With over 40,000 entries a year ATW has become a firm favourite amongst people who are determined to Dream, Believe and Achieve.
21/09/2025, 12:15
Sprint Triathlon
750m 25km 5km £78.0021/09/2025, 12:15
Sprint Triathlon Relay
750m 25km 5km £99.0021/09/2025, 12:10
Standard Triathlon
1500m 40km 10km £99.0021/09/2025, 12:10
Standard Triathlon Relay
1500m 40KM 10KM £120.0021/09/2025, 12:10
Standard Aquabike
1500m 40km £89.0021/09/2025, 12:10
Big East Middle Distance Triathlon
1500m 86km 20km £160.0021/09/2025, 12:10
Big East Middle Distance Triathlon Relay
1500m 86km 20km £180.0021/09/2025, 12:10
Big East Middle Distance Aquabike
1500m 86km £140.00Parking is available in Promenade Park. Parking fees will apply.