The 5150 Knokke-Heist is an Olympic distance triathlon that includes a 1.5 km swim, 40 km bike, and 10 km run. Set in the picturesque seaside resort of Knokke-Heist, Belgium, the event offers participants a chance to race through diverse landscapes, from beaches to countryside. Known for its iconic IRONMAN atmosphere, the event is perfect for athletes of all levels. The location is easily accessible from Brussels Airport and Belgium’s train system, making it a convenient destination for international participants.
Race Date:
06 September, 2025
The 5150 Knokke-Heist Triathlon is an Olympic distance race held in the scenic seaside resort of Knokke-Heist, Belgium. Participants will experience a 1.5km swim, 40km bike ride, and a 10km run through the beautiful coastal and countryside landscapes.
Weather based on historical averages.
The 5150 Knokke-Heist Triathlon is an Olympic distance race held in the scenic seaside resort of Knokke-Heist, Belgium. Participants will experience a 1.5km swim, 40km bike ride, and a 10km run through the beautiful coastal and countryside landscapes.
The 5150 Knokke-Heist Triathlon is 10km long.
The 5150 Knokke-Heist Triathlon takes place in Knokke-Heist, West-Vlaanderen, Belgium.
The 5150 Knokke-Heist Triathlon elevation gain is 24 metres, which Runna classifies as a Flat 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!
The 5150 Knokke-Heist Triathlon is an Olympic distance race held in the scenic seaside resort of Knokke-Heist, Belgium. Participants will experience a 1.5km swim, 40km bike ride, and a 10km run through the beautiful coastal and countryside landscapes.
The 5150 Knokke-Heist Triathlon is 10km long.
The 5150 Knokke-Heist Triathlon takes place in Knokke-Heist, West-Vlaanderen, Belgium.
The 5150 Knokke-Heist Triathlon elevation gain is 24 metres, which Runna classifies as a Flat 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!
Triathlon
Coastal
Nature
Ironman
Team
Relay
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by IRONMAN 5150 Knokke-Heist or IRONMAN Group. 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 IRONMAN 5150 Knokke-Heist website.