Held in the lush Spaarnwoude nature reserve just outside Amsterdam, the Strong Viking Obstacle Run Amsterdam 2025 delivers a high-energy, mud-splattered adventure over the weekend of September 27–28, 2025. Runners can select from six distances: the 4 km Family & Beginner Run, 7 km Lightning, 13 km Warrior, 19 km Beast, the marathon-distance 42 km Iron Viking, or the grueling 60 km Ultra Viking, which features over 135 obstacles. From the massive Fjord Drop to crowd favorites like Storm the Castle and Flying Ragnar, the event challenges strength, stamina, and camaraderie. The Family Run welcomes children aged 5 and up, making it an inclusive experience. Participants receive a finisher T-shirt, refreshments, and free event photos in a fun, non-competitive atmosphere that emphasizes personal accomplishment.
Race Date:
27 September, 2025
Happening exclusively on Saturday, September 27, 2025, the 60 km Ultra Viking delivers over 135 obstacles and the most extreme challenge of the weekend in Spaarnwoude, Netherlands. Hosted by Strong Viking, it’s reserved for elite obstacle racers ready to earn legendary status.
Race Date:
27 September, 2025
Taking place across both event days, the 42 km Iron Viking is dubbed the world’s toughest marathon, featuring 100+ obstacles through Spaarnwoude’s forests and fields. Organized by Strong Viking, this grueling race is open to determined runners aged 18+ seeking ultimate endurance glory.
Race Date:
27 September, 2025
On September 27 and 28, 2025, the 19 km Beast race dares participants aged 16+ to tackle more than 40 brutal obstacles in the rugged natural setting of Spaarnwoude. Run by Strong Viking, it’s a serious step toward elite-level OCR.
Race Date:
27 September, 2025
Held on September 27–28, 2025, the Warrior course spans 13 km and features 30+ epic obstacles in Spaarnwoude, near Amsterdam. Hosted by Strong Viking, it’s a bold test of strength and endurance for athletes aged 14 and older.
Race Date:
27 September, 2025
Scheduled for both days, the 7 km Lightning race tests agility and courage with 20+ obstacles along a scenic and muddy route in Spaarnwoude, Netherlands. Organized by Strong Viking, this fast-paced challenge is ideal for adventurous runners aged 13 and up.
Weather based on historical averages.
Happening exclusively on Saturday, September 27, 2025, the 60 km Ultra Viking delivers over 135 obstacles and the most extreme challenge of the weekend in Spaarnwoude, Netherlands. Hosted by Strong Viking, it’s reserved for elite obstacle racers ready to earn legendary status.
The Strong Viking Obstacle Run Amsterdam Ultra Viking 60km is 60km long.
The Strong Viking Obstacle Run Amsterdam Ultra Viking 60km takes place in Spaarnwoude, Netherlands.
Runna classifies the Strong Viking Obstacle Run Amsterdam Ultra Viking 60km elevation profile as Flat.
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!
Happening exclusively on Saturday, September 27, 2025, the 60 km Ultra Viking delivers over 135 obstacles and the most extreme challenge of the weekend in Spaarnwoude, Netherlands. Hosted by Strong Viking, it’s reserved for elite obstacle racers ready to earn legendary status.
The Strong Viking Obstacle Run Amsterdam Ultra Viking 60km is 60km long.
The Strong Viking Obstacle Run Amsterdam Ultra Viking 60km takes place in Spaarnwoude, Netherlands.
Runna classifies the Strong Viking Obstacle Run Amsterdam Ultra Viking 60km elevation profile as Flat.
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!
Taking place across both event days, the 42 km Iron Viking is dubbed the world’s toughest marathon, featuring 100+ obstacles through Spaarnwoude’s forests and fields. Organized by Strong Viking, this grueling race is open to determined runners aged 18+ seeking ultimate endurance glory.
The Strong Viking Obstacle Run Amsterdam Iron Viking 42km is 42km long.
The Strong Viking Obstacle Run Amsterdam Iron Viking 42km takes place in Spaarnwoude, Netherlands.
Runna classifies the Strong Viking Obstacle Run Amsterdam Iron Viking 42km elevation profile as Flat.
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!
Taking place across both event days, the 42 km Iron Viking is dubbed the world’s toughest marathon, featuring 100+ obstacles through Spaarnwoude’s forests and fields. Organized by Strong Viking, this grueling race is open to determined runners aged 18+ seeking ultimate endurance glory.
The Strong Viking Obstacle Run Amsterdam Iron Viking 42km is 42km long.
The Strong Viking Obstacle Run Amsterdam Iron Viking 42km takes place in Spaarnwoude, Netherlands.
Runna classifies the Strong Viking Obstacle Run Amsterdam Iron Viking 42km elevation profile as Flat.
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!
On September 27 and 28, 2025, the 19 km Beast race dares participants aged 16+ to tackle more than 40 brutal obstacles in the rugged natural setting of Spaarnwoude. Run by Strong Viking, it’s a serious step toward elite-level OCR.
The Strong Viking Obstacle Run Amsterdam Beast 19km is 19km long.
The Strong Viking Obstacle Run Amsterdam Beast 19km takes place in Spaarnwoude, Netherlands.
Runna classifies the Strong Viking Obstacle Run Amsterdam Beast 19km elevation profile as Flat.
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!
On September 27 and 28, 2025, the 19 km Beast race dares participants aged 16+ to tackle more than 40 brutal obstacles in the rugged natural setting of Spaarnwoude. Run by Strong Viking, it’s a serious step toward elite-level OCR.
The Strong Viking Obstacle Run Amsterdam Beast 19km is 19km long.
The Strong Viking Obstacle Run Amsterdam Beast 19km takes place in Spaarnwoude, Netherlands.
Runna classifies the Strong Viking Obstacle Run Amsterdam Beast 19km elevation profile as Flat.
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!
Held on September 27–28, 2025, the Warrior course spans 13 km and features 30+ epic obstacles in Spaarnwoude, near Amsterdam. Hosted by Strong Viking, it’s a bold test of strength and endurance for athletes aged 14 and older.
The Strong Viking Obstacle Run Amsterdam Warrior 13km is 13km long.
The Strong Viking Obstacle Run Amsterdam Warrior 13km takes place in Spaarnwoude, Netherlands.
Runna classifies the Strong Viking Obstacle Run Amsterdam Warrior 13km elevation profile as Flat.
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!
Held on September 27–28, 2025, the Warrior course spans 13 km and features 30+ epic obstacles in Spaarnwoude, near Amsterdam. Hosted by Strong Viking, it’s a bold test of strength and endurance for athletes aged 14 and older.
The Strong Viking Obstacle Run Amsterdam Warrior 13km is 13km long.
The Strong Viking Obstacle Run Amsterdam Warrior 13km takes place in Spaarnwoude, Netherlands.
Runna classifies the Strong Viking Obstacle Run Amsterdam Warrior 13km elevation profile as Flat.
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!
Scheduled for both days, the 7 km Lightning race tests agility and courage with 20+ obstacles along a scenic and muddy route in Spaarnwoude, Netherlands. Organized by Strong Viking, this fast-paced challenge is ideal for adventurous runners aged 13 and up.
The Strong Viking Obstacle Run Amsterdam Lightning 7km is 7km long.
The Strong Viking Obstacle Run Amsterdam Lightning 7km takes place in Spaarnwoude, Netherlands.
Runna classifies the Strong Viking Obstacle Run Amsterdam Lightning 7km elevation profile as Flat.
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!
Scheduled for both days, the 7 km Lightning race tests agility and courage with 20+ obstacles along a scenic and muddy route in Spaarnwoude, Netherlands. Organized by Strong Viking, this fast-paced challenge is ideal for adventurous runners aged 13 and up.
The Strong Viking Obstacle Run Amsterdam Lightning 7km is 7km long.
The Strong Viking Obstacle Run Amsterdam Lightning 7km takes place in Spaarnwoude, Netherlands.
Runna classifies the Strong Viking Obstacle Run Amsterdam Lightning 7km elevation profile as Flat.
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!
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This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Strong Viking Obstacle Run Amsterdam 2025 or Strong Viking. 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 Strong Viking Obstacle Run Amsterdam 2025 website.