The Chester Ultra 100 is a demanding 100-mile ultramarathon that leads participants through a breathtaking and varied course across the Cheshire countryside, the Clwydian Range, and parts of the North Wales Way. Designed for seasoned ultrarunners, the race features challenging elevation, technical trails, and a mix of remote paths and historical routes, including sections of the Sandstone Trail and the Offa’s Dyke. In addition to the flagship 100-mile distance, the event also offers shorter, yet still formidable races: the Chester Ultra 50 and Chester Ultra 50K, catering to runners building their ultra experience. Each race includes fully stocked aid stations, live GPS tracking, and a supportive atmosphere that prioritizes both safety and adventure. With stunning scenery and a strong community spirit, the Chester Ultra series is a highlight on the UK ultrarunning calendar.
Race
100 miles
Race Date:
18 April, 2026
The Chester Ultra 100 is a challenging 100-mile ultramarathon organized by GB Ultras, taking runners on a remarkable journey through the scenic trails of Cheshire, UK. This endurance event features a demanding course that includes sections of the Sandstone Trail, Marches Way, and iconic hills like Helsby, culminating in the heart of Chester.
Weather based on historical averages.
FAQs
What is the Chester Ultra 100?
How long is the Chester Ultra 100?
Where does the Chester Ultra 100 take place?
What is the elevation gain of the Chester Ultra 100?
How can I prepare for the Chester Ultra 100?
How do I choose the right training plan for the Chester Ultra 100?
The Chester Ultra 100 is a challenging 100-mile ultramarathon organized by GB Ultras, taking runners on a remarkable journey through the scenic trails of Cheshire, UK. This endurance event features a demanding course that includes sections of the Sandstone Trail, Marches Way, and iconic hills like Helsby, culminating in the heart of Chester.
The Chester Ultra 100 is 164km long.
The Chester Ultra 100 takes place in Ellesmere Port, Cheshire, United Kingdom.
The Chester Ultra 100 elevation gain is 1590 metres, which Runna classifies as a Rolling race.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Chester Ultra 100?
The Chester Ultra 100 is a challenging 100-mile ultramarathon organized by GB Ultras, taking runners on a remarkable journey through the scenic trails of Cheshire, UK. This endurance event features a demanding course that includes sections of the Sandstone Trail, Marches Way, and iconic hills like Helsby, culminating in the heart of Chester.
How long is the Chester Ultra 100?
The Chester Ultra 100 is 164km long.
Where does the Chester Ultra 100 take place?
The Chester Ultra 100 takes place in Ellesmere Port, Cheshire, United Kingdom.
What is the elevation gain of the Chester Ultra 100?
The Chester Ultra 100 elevation gain is 1590 metres, which Runna classifies as a Rolling race.
How can I prepare for the Chester Ultra 100?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Chester Ultra 100?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
More
Sport:
Running
Tags:
Nature
UTMB
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Chester Ultra 100 or GB Ultras. All event details are based on publicly available information and are provided solely to help users discover running events. Runna does not use any official logos, images, or proprietary content from this event or its organiser. Any trademarks or names mentioned are used descriptively to identify the event in a factual manner. For the most accurate and up to date information (including to register or purchase an entry to the event), please visit the Chester Ultra 100 website.
