Welcome to the 10th annual Big East Triathlon. There are two distance options - Challenge Distance and Middle Distance - The event will take place on Sunday 17th July 2020 - 800m/1.6km Open Water Swim in the River Blackwater - 43km/82km Cycle on the quiet, scenic roads of the Dengie Peninsula - 10km/20km lapped Run around the beautiful sea wall and marshes passing the historic St Peters Chapel.
| Entry Options | |
| Challenge BTF Member (£57 + £4.50 online booking fee) | £61.50 |
| Challenge Non-BTF Member (£62 + £4.50 online booking fee) | £66.50 |
| Challenge Team Relay (£90 + £6.50 online booking fee) | £96.50 |