Phoenix West Sussex - Firework Flash

Get ready for an exhilarating experience at the Phoenix West Sussex - Firework Flash event, taking place on Sunday, November 8th, 2026, at the picturesque Southwater Park in Horsham, West Sussex! Organised by Phoenix Running West Sussex, this unique timed running event allows participants to choose their own adventure with race distances ranging from 5km to marathon and ultra distances. Whether you're a seasoned runner or a beginner, this inclusive event welcomes all abilities, encouraging you to complete as many laps of the scenic 5km course as you wish within a generous 7-hour time limit. With a flexible 'rock up and run' start time, you have the freedom to begin your race when it suits you best, as long as you finish by 3pm! The atmosphere will be vibrant and supportive, with every participant celebrated for their efforts—complete just one lap, and you're a winner in our eyes! Each finisher will receive a stunning bespoke medal to commemorate their achievement. Don't miss out on this fantastic opportunity to enjoy a day of running amidst beautiful surroundings. Places are limited, so be sure to secure your spot early!

Phoenix Running West Sussex are hosting a Firework Flash run at Southwater Park, Horsham, West Sussex.  This is one of our timed events where you choose - from 5km to 10k, half to marathon to ultra, you can complete as many, or as few, laps as you like of a 5km, 3.28 mile, out and back, course in the along the Downs link. We welcome all abilities of runner - complete one lap and you're both a finisher and a winner in our eyes, or keep going and see how far you can get in the full 7 hour time limit and everyone gets the fabulous bespoke finisher's medal. We also operate our uniquely flexible 'rock up and run' start times so that you can start when you like but you must be finished before 3pm You don't have to decide in advance what distance you will run, the beauty of this format is that you simply come and run a lap and see how you feel on the day and then keep on going if it feels right. Not sure?  Well the beauty of this format is that you don't even need to decide your distance in advance - simply come and run a lap and see how you feel on the day and keep on going if it feels right. Places will be strictly limited so don't leave it too late to enter. Minimum distance is 3.1 miles (5k) or as far as you can go in 7 hours. Off road, compact trail. Profile: Flat