Taking place on April 18, 2026, the Spring Trail Series by Ultra X is a celebration of off-road running through the rolling greensand hills and rare lowland heath of the South Downs. Runners can choose from 12 km to 110 km distances, with all routes starting and finishing at the Cowdray Estate, where a vibrant event village offers food, drink, camping, and entertainment. The 25 km, 50 km, and 110 km distances are UTMB®-indexed, making this event a popular choice for both seasoned trail racers and those aiming to earn qualification points. Participants benefit from fully marked courses, aid stations with warm refreshments, GPS tracking, and generous cut-off times (~2–3 hours per 10 km). Whether chasing a new challenge or enjoying the social energy of the South Downs, this race delivers a professionally organized, inclusive ultra experience in a stunning natural setting.
Races
110 km
50 Miles
50 km
25 km
12 km
Race Date:
18 April, 2026
Beginning at 5:00 AM, the 110 km ultra ventures on an extended, UTMB®-indexed loop through Surrey’s hills and woodlands. Hosted by Ultra X, runners tackle the same stunning terrain with generous cutoffs, support stations, and an unforgettable trail-running challenge.
Weather based on historical averages.
FAQs
What is the Spring Trail Series 110km?
How long is the Spring Trail Series 110km?
Where does the Spring Trail Series 110km take place?
What is the elevation gain of the Spring Trail Series 110km?
How can I prepare for the Spring Trail Series 110km?
How do I choose the right training plan for the Spring Trail Series 110km?
Beginning at 5:00 AM, the 110 km ultra ventures on an extended, UTMB®-indexed loop through Surrey’s hills and woodlands. Hosted by Ultra X, runners tackle the same stunning terrain with generous cutoffs, support stations, and an unforgettable trail-running challenge.
The Spring Trail Series 110km is 110km long.
The Spring Trail Series 110km takes place in South Down National Park, Midhurst, UK.
The Spring Trail Series 110km elevation gain is 1563 metres, which Runna classifies as a Moderate 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 Spring Trail Series 110km?
Beginning at 5:00 AM, the 110 km ultra ventures on an extended, UTMB®-indexed loop through Surrey’s hills and woodlands. Hosted by Ultra X, runners tackle the same stunning terrain with generous cutoffs, support stations, and an unforgettable trail-running challenge.
How long is the Spring Trail Series 110km?
The Spring Trail Series 110km is 110km long.
Where does the Spring Trail Series 110km take place?
The Spring Trail Series 110km takes place in South Down National Park, Midhurst, UK.
What is the elevation gain of the Spring Trail Series 110km?
The Spring Trail Series 110km elevation gain is 1563 metres, which Runna classifies as a Moderate race.
How can I prepare for the Spring Trail Series 110km?
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 Spring Trail Series 110km?
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
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Spring Trail Series 2026 or World Ultra Corporation Ltd. 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 Spring Trail Series 2026 website.
