Enter Now Online entries will open for this event once a 2021 event date is confirmed Event Info 10 Fest at Lee Valley Distances: 10 Miles & 10 Km Course Profile: Flat Organiser: Active Training World 10 Mile Course Map 10 Km Course Map Links to other ATW Events Running Events: New Years Day Love Welwyn Garden City 10K Essex Fast 10k/5k Hillingdon Half & 10K Welwyn Half Marathon Run Fest at Lee Valley Ten Fest at Lee Valley St Albans 10K Hatfield 5 Herts Fast 10k/5k Multi Sport Events: Ashridge Duathlon Hertfordshire Triathlon Stewartby Lake Triathlon Box End Triathlon Centurion Triathlon Bovingdon Beast Duathlon Essex Duathlon