Holme Howler

Oblivion Extreme is an exhilarating endurance event hosted by Nuclear Races, taking place in Brentwood, Essex. Participants can tackle a challenging course featuring 12K laps with over 350 obstacles, aiming to complete as many laps as possible within 8.5 hours. The event emphasizes both physical and mental endurance, offering medals for various achievements.

New for 2025, the Oblivion Legend Challenge rewards those who complete four laps. The event also includes options for competitive and non-competitive runners, with a supportive community and training resources available. Oblivion Extreme celebrates its 10th anniversary in 2025, making it a significant occasion for participants. Visit the organization's website for the most recent information.

The Lincoln Fun Inflatable 5K Obstacle Course is set to take place on June 7, 2025, at Lincoln Showground. This exciting event features the world's largest inflatable obstacle course, with obstacles that are bigger, bouncier, and more fun than ever. Participants can choose from various distances, including 2.5K, 5K, 10K, and 15K, each with a different number of obstacles—ranging from 15 to 90. The course includes multiple inflatable challenges, music zones, and a lively atmosphere suitable for families, friends, or solo runners. The event promises a memorable day of jumping, sliding, and laughing, with options for group discounts and charity fundraising. Visit the organization's website for the most recent information.

World's Toughest Mudder is an extreme 24-hour obstacle course event that challenges participants to complete as many laps as possible on a rugged 5-mile course filled with various obstacles. Scheduled for June 28 and 29, 2025, at Belvoir Castle in the UK, this event is designed for both individual competitors and teams, allowing up to four members to tackle the course together. Participants face a range of physical and mental challenges, including cold weather and demanding obstacles, all while aiming to push their limits. The event culminates in awards for top finishers, making it a prestigious competition in the endurance sports community. Visit the organization's website for the most recent information.

The Midlands Spartan Trifecta Weekend, set against the stunning backdrop of Belvoir Castle in Lincolnshire, offers an exhilarating challenge for both novice and experienced athletes. Participants can tackle a series of races, including a 5K Sprint, a 10K Super, and a 21K Beast, each featuring a variety of obstacles designed to test endurance and strength. The event also includes a Kids Race, ensuring fun for the whole family. With its picturesque countryside setting and diverse race options, this weekend promises an unforgettable experience for all who dare to conquer the Spartan challenge. Visit the organization's website for the most recent information.

The Coventry Fun Inflatable 5K Obstacle Course is set to take place at the University of Warwick, promising an exhilarating experience for participants. This event features the world's largest inflatable obstacle course, with the 2025 edition boasting even bigger and bouncier challenges. Participants can choose from various distances, including 2.5km, 5km, 10km, and 15km, each filled with a range of fun inflatable obstacles. The event encourages team participation, making it a great outing for friends and families. With music zones and a vibrant atmosphere, this event is designed for maximum enjoyment and excitement. Visit the organization's website for the most recent information.

DEKA FIT East Midlands is a challenging fitness event held at Derby Arena, designed to test participants' endurance, strength, and conditioning through a 10-zone circuit combined with running segments. The event caters to all fitness levels and offers both individual and team categories. Participants complete a series of high-energy workouts across different zones, with the full experience including a 5 km distance and multiple workout zones. The event is part of the larger DEKA Trifecta, which involves completing three different DEKA events within a year. It aims to push competitors to their limits and promote overall functional fitness. Visit the organization's website for the most recent information.