Tough Mudder London South 2025 returns on 20–21 September at the renowned Holmbush Estate in Faygate, West Sussex. Known as the flagship event of the UK season, it challenges participants with a diverse course encompassing dense forests, steep inclines, and signature muddy obstacles. The 15K course boasts over 20 obstacles, while the 5K route includes more than 12, ensuring a rigorous test of endurance and teamwork. Participants will receive a finisher’s medal, headband, t-shirt, and a celebratory drink upon completion. The event also features a vibrant festival atmosphere with entertainment, local food vendors, and opportunities to support various charities. Whether you’re a seasoned Mudder or a first-timer, this event promises an unforgettable experience.  
Races
15k
15k
5k
5k
Race Date:
21 September, 2025
The Tough Mudder London South 15K on Sunday, September 21, 2025, organized by Tough Mudder UK, will be held at Holmbush Estate, Faygate, West Sussex, UK. This challenging 15-kilometer course features over 20 obstacles set amidst diverse terrain, promoting a spirit of teamwork and fun. Finishers are rewarded with a medal, shirt, headband, and a well-earned beverage.
Race Date:
20 September, 2025
The Tough Mudder London South 15K on Saturday, September 20, 2025, organized by Tough Mudder UK, will take place at Holmbush Estate, Faygate, West Sussex, UK. Participants will tackle over 20 world-class obstacles across 15 kilometers of rugged terrain, including woodland trails and rolling hills. The event fosters teamwork and camaraderie, with no competition or timing, and finishers receive a medal, shirt, headband, and a celebratory drink.
Race Date:
20 September, 2025
The Tough Mudder London South 5K on Saturday, September 20, 2025, is organized by Tough Mudder UK and takes place at Holmbush Estate in Faygate, West Sussex, UK. This shorter but still muddy course features a fun-packed route with over 13 signature obstacles, offering first-timers and social runners a team-spirited adventure through the woods and fields of Sussex.
Race Date:
21 September, 2025
The Tough Mudder London South 5K on Sunday, September 21, 2025, organized by Tough Mudder UK, returns to Holmbush Estate in Faygate, West Sussex, UK, for a second day of obstacle-packed fun. Perfect for groups and new mudders, the 5K course delivers challenge and camaraderie over 13 obstacles, with medals, headbands, and celebratory drinks for all finishers.
Weather based on historical averages.
FAQs
What is the Tough Mudder London South 15K?
How long is the Tough Mudder London South 15K?
Where does the Tough Mudder London South 15K take place?
What is the elevation gain of the Tough Mudder London South 15K?
How can I prepare for the Tough Mudder London South 15K?
How do I choose the right training plan for the Tough Mudder London South 15K?
The Tough Mudder London South 15K on Sunday, September 21, 2025, organized by Tough Mudder UK, will be held at Holmbush Estate, Faygate, West Sussex, UK. This challenging 15-kilometer course features over 20 obstacles set amidst diverse terrain, promoting a spirit of teamwork and fun. Finishers are rewarded with a medal, shirt, headband, and a well-earned beverage.
The Tough Mudder London South 15K is 15km long.
The Tough Mudder London South 15K takes place in Faygate, Horsham, UK.
Runna classifies the Tough Mudder London South 15K elevation profile as Hilly.
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 Tough Mudder London South 15K?
The Tough Mudder London South 15K on Sunday, September 21, 2025, organized by Tough Mudder UK, will be held at Holmbush Estate, Faygate, West Sussex, UK. This challenging 15-kilometer course features over 20 obstacles set amidst diverse terrain, promoting a spirit of teamwork and fun. Finishers are rewarded with a medal, shirt, headband, and a well-earned beverage.
How long is the Tough Mudder London South 15K?
The Tough Mudder London South 15K is 15km long.
Where does the Tough Mudder London South 15K take place?
The Tough Mudder London South 15K takes place in Faygate, Horsham, UK.
What is the elevation gain of the Tough Mudder London South 15K?
Runna classifies the Tough Mudder London South 15K elevation profile as Hilly.
How can I prepare for the Tough Mudder London South 15K?
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 Tough Mudder London South 15K?
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 Tough Mudder London South 15K?
How long is the Tough Mudder London South 15K?
Where does the Tough Mudder London South 15K take place?
What is the elevation gain of the Tough Mudder London South 15K?
How can I prepare for the Tough Mudder London South 15K?
How do I choose the right training plan for the Tough Mudder London South 15K?
The Tough Mudder London South 15K on Saturday, September 20, 2025, organized by Tough Mudder UK, will take place at Holmbush Estate, Faygate, West Sussex, UK. Participants will tackle over 20 world-class obstacles across 15 kilometers of rugged terrain, including woodland trails and rolling hills. The event fosters teamwork and camaraderie, with no competition or timing, and finishers receive a medal, shirt, headband, and a celebratory drink.
The Tough Mudder London South 15K is 15km long.
The Tough Mudder London South 15K takes place in Faygate, Horsham, UK.
Runna classifies the Tough Mudder London South 15K elevation profile as Hilly.
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 Tough Mudder London South 15K?
The Tough Mudder London South 15K on Saturday, September 20, 2025, organized by Tough Mudder UK, will take place at Holmbush Estate, Faygate, West Sussex, UK. Participants will tackle over 20 world-class obstacles across 15 kilometers of rugged terrain, including woodland trails and rolling hills. The event fosters teamwork and camaraderie, with no competition or timing, and finishers receive a medal, shirt, headband, and a celebratory drink.
How long is the Tough Mudder London South 15K?
The Tough Mudder London South 15K is 15km long.
Where does the Tough Mudder London South 15K take place?
The Tough Mudder London South 15K takes place in Faygate, Horsham, UK.
What is the elevation gain of the Tough Mudder London South 15K?
Runna classifies the Tough Mudder London South 15K elevation profile as Hilly.
How can I prepare for the Tough Mudder London South 15K?
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 Tough Mudder London South 15K?
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 Tough Mudder London South 5K?
How long is the Tough Mudder London South 5K?
Where does the Tough Mudder London South 5K take place?
What is the elevation gain of the Tough Mudder London South 5K?
How can I prepare for the Tough Mudder London South 5K?
How do I choose the right training plan for the Tough Mudder London South 5K?
The Tough Mudder London South 5K on Saturday, September 20, 2025, is organized by Tough Mudder UK and takes place at Holmbush Estate in Faygate, West Sussex, UK. This shorter but still muddy course features a fun-packed route with over 13 signature obstacles, offering first-timers and social runners a team-spirited adventure through the woods and fields of Sussex.
The Tough Mudder London South 5K is 5km long.
The Tough Mudder London South 5K takes place in Faygate, Horsham, UK.
Runna classifies the Tough Mudder London South 5K elevation profile as Hilly.
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 Tough Mudder London South 5K?
The Tough Mudder London South 5K on Saturday, September 20, 2025, is organized by Tough Mudder UK and takes place at Holmbush Estate in Faygate, West Sussex, UK. This shorter but still muddy course features a fun-packed route with over 13 signature obstacles, offering first-timers and social runners a team-spirited adventure through the woods and fields of Sussex.
How long is the Tough Mudder London South 5K?
The Tough Mudder London South 5K is 5km long.
Where does the Tough Mudder London South 5K take place?
The Tough Mudder London South 5K takes place in Faygate, Horsham, UK.
What is the elevation gain of the Tough Mudder London South 5K?
Runna classifies the Tough Mudder London South 5K elevation profile as Hilly.
How can I prepare for the Tough Mudder London South 5K?
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 Tough Mudder London South 5K?
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 Tough Mudder London South 5K?
How long is the Tough Mudder London South 5K?
Where does the Tough Mudder London South 5K take place?
What is the elevation gain of the Tough Mudder London South 5K?
How can I prepare for the Tough Mudder London South 5K?
How do I choose the right training plan for the Tough Mudder London South 5K?
The Tough Mudder London South 5K on Sunday, September 21, 2025, organized by Tough Mudder UK, returns to Holmbush Estate in Faygate, West Sussex, UK, for a second day of obstacle-packed fun. Perfect for groups and new mudders, the 5K course delivers challenge and camaraderie over 13 obstacles, with medals, headbands, and celebratory drinks for all finishers.
The Tough Mudder London South 5K is 5km long.
The Tough Mudder London South 5K takes place in Faygate, Horsham, UK.
Runna classifies the Tough Mudder London South 5K elevation profile as Hilly.
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 Tough Mudder London South 5K?
The Tough Mudder London South 5K on Sunday, September 21, 2025, organized by Tough Mudder UK, returns to Holmbush Estate in Faygate, West Sussex, UK, for a second day of obstacle-packed fun. Perfect for groups and new mudders, the 5K course delivers challenge and camaraderie over 13 obstacles, with medals, headbands, and celebratory drinks for all finishers.
How long is the Tough Mudder London South 5K?
The Tough Mudder London South 5K is 5km long.
Where does the Tough Mudder London South 5K take place?
The Tough Mudder London South 5K takes place in Faygate, Horsham, UK.
What is the elevation gain of the Tough Mudder London South 5K?
Runna classifies the Tough Mudder London South 5K elevation profile as Hilly.
How can I prepare for the Tough Mudder London South 5K?
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 Tough Mudder London South 5K?
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!
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Nature
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Tough Mudder London South 2025 or Tough Mudder. 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 Tough Mudder London South 2025 website.
