Chester Ultra 100 Mile
Ellesmere Port, United Kingdom • 18-19 Apr 2026
Chester Ultra 100
Chester Ultra 100 is a trail ultramarathon covering approximately 102 miles with about 1590 m of accumulated ascent. The event is limited to 400 places and has a 32-hour overall cut-off. Entry fees are listed as £209 (unaffiliated) and £207 (affiliated).
The route links local trails and features including the Sandstone Trail, the Marches Way beside the River Dee, Helsby Hill, Frodsham, Beeston Castle, Delamere Forest and the Bridgewater Canal. The course is waymarked and includes 12 checkpoints along the route. A GPX file is provided for navigation and final route updates are published before the event.
Checkpoints supply drinks (cola, Tailwind mandarin, water, juice), snacks, fruit and sandwiches; pasta and soup are available at specific indoor checkpoints and hot drinks are provided at all indoor checkpoints. Vegan and vegetarian options are offered. Medical cover and first responders are present.
The event is licensed by the Trail Running Association and held under UK Athletics rules. It awards ITRA and UTMB mountain performance index points (allocation to be confirmed). Entrants must be at least 20 years old and must have previously completed an organised ultramarathon of at least 50 miles.
Mandatory kit must be carried at all times and includes waterproof outerwear, a 1-litre water container, headtorch (min 75 lumens), a thermal/survival bag, whistle and the GB Race Tracker device issued at registration. One pacer is permitted from the halfway point; dropbags are allowed at specified checkpoints. Supporter and parking restrictions apply at several checkpoint locations. Visit the organization's website for the most recent information.