The London 100 Ultra Marathon takes place on Saturday 9 May 2026, starting and finishing at the Queen Mother Sports Centre in Pimlico at the heart of central London. With distances of 100 km, 50 km and 25 km, the event gives runners a rare chance to experience an urban ultra that threads past more than 100 of the capital’s most recognisable streets, parks and landmarks. Each route is designed to be both challenging and accessible, blending riverside paths, historic neighbourhoods and atmospheric city sections. The day has a strong community feel, bringing together seasoned ultrarunners and newer long-distance runners for a memorable tour of London on foot.
Races
The 25 km race at the London 100 takes place on Saturday 9 May 2026 in central London, UK, starting and ending at the Queen Mother Sports Centre in Pimlico. It offers a shorter, city-focused ultra experience that still tackles notable landmarks and riverfront stretches throughout the capital.
The 50 km race at the London 100 takes place on Saturday 9 May 2026 in central London, UK, starting from the Queen Mother Sports Centre in Pimlico. It offers runners a demanding urban-ultra route that includes two of the event’s 25 km loops across iconic city terrain.
The 100 km race at the London 100 takes place on Saturday 9 May 2026, starting at the Queen Mother Sports Centre in Pimlico, central London. It offers a unique urban ultra experience, guiding runners through the heart of the capital as they explore historic streets and riverside routes.
Weather based on historical averages.
FAQs
What is the London 100 25K?
How long is the London 100 25K?
Where does the London 100 25K take place?
What is the elevation gain of the London 100 25K?
How can I prepare for the London 100 25K?
How do I choose the right training plan for the London 100 25K?
The 25 km race at the London 100 takes place on Saturday 9 May 2026 in central London, UK, starting and ending at the Queen Mother Sports Centre in Pimlico. It offers a shorter, city-focused ultra experience that still tackles notable landmarks and riverfront stretches throughout the capital.
The London 100 25K is 25km long.
The London 100 25K takes place in Pimlico, London, UK.
The London 100 25K elevation gain is 319 meters, which Runna classifies as a Moderate race.
The best way to train for the next race is to use a personalized 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 personalized 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 London 100 25K?
The 25 km race at the London 100 takes place on Saturday 9 May 2026 in central London, UK, starting and ending at the Queen Mother Sports Centre in Pimlico. It offers a shorter, city-focused ultra experience that still tackles notable landmarks and riverfront stretches throughout the capital.
How long is the London 100 25K?
The London 100 25K is 25km long.
Where does the London 100 25K take place?
The London 100 25K takes place in Pimlico, London, UK.
What is the elevation gain of the London 100 25K?
The London 100 25K elevation gain is 319 meters, which Runna classifies as a Moderate race.
How can I prepare for the London 100 25K?
The best way to train for the next race is to use a personalized 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 London 100 25K?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized 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 London 100 50K?
How long is the London 100 50K?
Where does the London 100 50K take place?
What is the elevation gain of the London 100 50K?
How can I prepare for the London 100 50K?
How do I choose the right training plan for the London 100 50K?
The 50 km race at the London 100 takes place on Saturday 9 May 2026 in central London, UK, starting from the Queen Mother Sports Centre in Pimlico. It offers runners a demanding urban-ultra route that includes two of the event’s 25 km loops across iconic city terrain.
The London 100 50K is 50km long.
The London 100 50K takes place in Pimlico, London, UK.
The London 100 50K elevation gain is 490 meters, which Runna classifies as a Rolling race.
The best way to train for the next race is to use a personalized 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 personalized 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 London 100 50K?
The 50 km race at the London 100 takes place on Saturday 9 May 2026 in central London, UK, starting from the Queen Mother Sports Centre in Pimlico. It offers runners a demanding urban-ultra route that includes two of the event’s 25 km loops across iconic city terrain.
How long is the London 100 50K?
The London 100 50K is 50km long.
Where does the London 100 50K take place?
The London 100 50K takes place in Pimlico, London, UK.
What is the elevation gain of the London 100 50K?
The London 100 50K elevation gain is 490 meters, which Runna classifies as a Rolling race.
How can I prepare for the London 100 50K?
The best way to train for the next race is to use a personalized 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 London 100 50K?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized 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 London 100 100K?
How long is the London 100 100K?
Where does the London 100 100K take place?
What is the elevation gain of the London 100 100K?
How can I prepare for the London 100 100K?
How do I choose the right training plan for the London 100 100K?
The 100 km race at the London 100 takes place on Saturday 9 May 2026, starting at the Queen Mother Sports Centre in Pimlico, central London. It offers a unique urban ultra experience, guiding runners through the heart of the capital as they explore historic streets and riverside routes.
The London 100 100K is 100km long.
The London 100 100K takes place in Pimlico, London, UK.
The London 100 100K elevation gain is 935 meters, which Runna classifies as a Rolling race.
The best way to train for the next race is to use a personalized 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 personalized 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 London 100 100K?
The 100 km race at the London 100 takes place on Saturday 9 May 2026, starting at the Queen Mother Sports Centre in Pimlico, central London. It offers a unique urban ultra experience, guiding runners through the heart of the capital as they explore historic streets and riverside routes.
How long is the London 100 100K?
The London 100 100K is 100km long.
Where does the London 100 100K take place?
The London 100 100K takes place in Pimlico, London, UK.
What is the elevation gain of the London 100 100K?
The London 100 100K elevation gain is 935 meters, which Runna classifies as a Rolling race.
How can I prepare for the London 100 100K?
The best way to train for the next race is to use a personalized 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 London 100 100K?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized 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!
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by London 100 Ultra Marathon or Camino Ultra. 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 London 100 Ultra Marathon website.
