Marathon Zoniënwoud is a unique event set in the heart of the Sonian Forest, near Brussels. Held annually, the race offers a marathon, along with several shorter distances, including 10K, 15K, and 27K, catering to a wide range of participants. The race provides runners with an immersive experience in nature, taking them through scenic trails and wooded paths. The event is ideal for nature lovers, combining athleticism with the beauty of the forest. Additionally, the event includes a 20K option on the Saturday before the marathon for both runners and walkers.
Races
Marathon
27km
20km
15km
10km
Race Date:
30 March, 2025
The Marathon Zoniënwoud 42 km, taking place on March 30, 2025, offers participants a full marathon trail run with 520 meters of elevation gain. Organized by Sportevents, this challenging course weaves through the Zoniënwoud's forest trails and gravel paths, showcasing its natural beauty.
Race Date:
30 March, 2025
The Marathon Zoniënwoud 27 km, scheduled for March 30, 2025, provides a scenic trail run with 330 meters of elevation gain. Organized by Sportevents, this mid-distance race takes participants through the serene forest trails of the Zoniënwoud.
Race Date:
29 March, 2025
On March 29, 2025, the Marathon Zoniënwoud 20 km will take runners through the heart of the Zoniënwoud forest, featuring an elevation gain of 280 meters. Organized by Sportevents, this event is an excellent opportunity to enjoy a mid-distance trail run in one of Belgium’s most serene natural settings.
Race Date:
30 March, 2025
The Marathon Zoniënwoud 15 km, set for March 30, 2025, features 240 meters of elevation gain on a scenic trail through the Zoniënwoud. Organized by Sportevents, this shorter race offers participants a perfect mix of natural beauty and manageable distance.
Race Date:
30 March, 2025
The Marathon Zoniënwoud 10 km, happening on March 30, 2025, offers an accessible trail run with 140 meters of elevation gain. Organized by Sportevents, this race is perfect for beginners or anyone looking for a quick, scenic run through the Zoniënwoud.
Weather based on historical averages.
FAQs
What is the Marathon Zoniënwoud?
How long is the Marathon Zoniënwoud?
Where does the Marathon Zoniënwoud take place?
What is the elevation gain of the Marathon Zoniënwoud?
How can I prepare for the Marathon Zoniënwoud?
How do I choose the right training plan for the Marathon Zoniënwoud?
The Marathon Zoniënwoud 42 km, taking place on March 30, 2025, offers participants a full marathon trail run with 520 meters of elevation gain. Organized by Sportevents, this challenging course weaves through the Zoniënwoud's forest trails and gravel paths, showcasing its natural beauty.
The Marathon Zoniënwoud is 42km long.
The Marathon Zoniënwoud takes place in Brussels, Brussels-Capital Region, Belgium.
The Marathon Zoniënwoud elevation gain is 520 metres, which Runna classifies as a Moderate 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!
What is the Marathon Zoniënwoud?
The Marathon Zoniënwoud 42 km, taking place on March 30, 2025, offers participants a full marathon trail run with 520 meters of elevation gain. Organized by Sportevents, this challenging course weaves through the Zoniënwoud's forest trails and gravel paths, showcasing its natural beauty.
How long is the Marathon Zoniënwoud?
The Marathon Zoniënwoud is 42km long.
Where does the Marathon Zoniënwoud take place?
The Marathon Zoniënwoud takes place in Brussels, Brussels-Capital Region, Belgium.
What is the elevation gain of the Marathon Zoniënwoud?
The Marathon Zoniënwoud elevation gain is 520 metres, which Runna classifies as a Moderate race.
How can I prepare for the Marathon Zoniënwoud?
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 Marathon Zoniënwoud?
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 Marathon Zoniënwoud?
How long is the Marathon Zoniënwoud?
Where does the Marathon Zoniënwoud take place?
What is the elevation gain of the Marathon Zoniënwoud?
How can I prepare for the Marathon Zoniënwoud?
How do I choose the right training plan for the Marathon Zoniënwoud?
The Marathon Zoniënwoud 27 km, scheduled for March 30, 2025, provides a scenic trail run with 330 meters of elevation gain. Organized by Sportevents, this mid-distance race takes participants through the serene forest trails of the Zoniënwoud.
The Marathon Zoniënwoud is 27km long.
The Marathon Zoniënwoud takes place in Brussels, Brussels-Capital Region, Belgium.
The Marathon Zoniënwoud elevation gain is 330 metres, which Runna classifies as a Moderate 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!
What is the Marathon Zoniënwoud?
The Marathon Zoniënwoud 27 km, scheduled for March 30, 2025, provides a scenic trail run with 330 meters of elevation gain. Organized by Sportevents, this mid-distance race takes participants through the serene forest trails of the Zoniënwoud.
How long is the Marathon Zoniënwoud?
The Marathon Zoniënwoud is 27km long.
Where does the Marathon Zoniënwoud take place?
The Marathon Zoniënwoud takes place in Brussels, Brussels-Capital Region, Belgium.
What is the elevation gain of the Marathon Zoniënwoud?
The Marathon Zoniënwoud elevation gain is 330 metres, which Runna classifies as a Moderate race.
How can I prepare for the Marathon Zoniënwoud?
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 Marathon Zoniënwoud?
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 Marathon Zoniënwoud?
How long is the Marathon Zoniënwoud?
Where does the Marathon Zoniënwoud take place?
What is the elevation gain of the Marathon Zoniënwoud?
How can I prepare for the Marathon Zoniënwoud?
How do I choose the right training plan for the Marathon Zoniënwoud?
On March 29, 2025, the Marathon Zoniënwoud 20 km will take runners through the heart of the Zoniënwoud forest, featuring an elevation gain of 280 meters. Organized by Sportevents, this event is an excellent opportunity to enjoy a mid-distance trail run in one of Belgium’s most serene natural settings.
The Marathon Zoniënwoud is 20km long.
The Marathon Zoniënwoud takes place in Brussels, Brussels-Capital Region, Belgium.
The Marathon Zoniënwoud elevation gain is 280 metres, which Runna classifies as a Moderate 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!
What is the Marathon Zoniënwoud?
On March 29, 2025, the Marathon Zoniënwoud 20 km will take runners through the heart of the Zoniënwoud forest, featuring an elevation gain of 280 meters. Organized by Sportevents, this event is an excellent opportunity to enjoy a mid-distance trail run in one of Belgium’s most serene natural settings.
How long is the Marathon Zoniënwoud?
The Marathon Zoniënwoud is 20km long.
Where does the Marathon Zoniënwoud take place?
The Marathon Zoniënwoud takes place in Brussels, Brussels-Capital Region, Belgium.
What is the elevation gain of the Marathon Zoniënwoud?
The Marathon Zoniënwoud elevation gain is 280 metres, which Runna classifies as a Moderate race.
How can I prepare for the Marathon Zoniënwoud?
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 Marathon Zoniënwoud?
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 Marathon Zoniënwoud?
How long is the Marathon Zoniënwoud?
Where does the Marathon Zoniënwoud take place?
What is the elevation gain of the Marathon Zoniënwoud?
How can I prepare for the Marathon Zoniënwoud?
How do I choose the right training plan for the Marathon Zoniënwoud?
The Marathon Zoniënwoud 15 km, set for March 30, 2025, features 240 meters of elevation gain on a scenic trail through the Zoniënwoud. Organized by Sportevents, this shorter race offers participants a perfect mix of natural beauty and manageable distance.
The Marathon Zoniënwoud is 15km long.
The Marathon Zoniënwoud takes place in Brussels, Brussels-Capital Region, Belgium.
The Marathon Zoniënwoud elevation gain is 240 metres, which Runna classifies as a Moderate 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!
What is the Marathon Zoniënwoud?
The Marathon Zoniënwoud 15 km, set for March 30, 2025, features 240 meters of elevation gain on a scenic trail through the Zoniënwoud. Organized by Sportevents, this shorter race offers participants a perfect mix of natural beauty and manageable distance.
How long is the Marathon Zoniënwoud?
The Marathon Zoniënwoud is 15km long.
Where does the Marathon Zoniënwoud take place?
The Marathon Zoniënwoud takes place in Brussels, Brussels-Capital Region, Belgium.
What is the elevation gain of the Marathon Zoniënwoud?
The Marathon Zoniënwoud elevation gain is 240 metres, which Runna classifies as a Moderate race.
How can I prepare for the Marathon Zoniënwoud?
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 Marathon Zoniënwoud?
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 Marathon Zoniënwoud?
How long is the Marathon Zoniënwoud?
Where does the Marathon Zoniënwoud take place?
What is the elevation gain of the Marathon Zoniënwoud?
How can I prepare for the Marathon Zoniënwoud?
How do I choose the right training plan for the Marathon Zoniënwoud?
The Marathon Zoniënwoud 10 km, happening on March 30, 2025, offers an accessible trail run with 140 meters of elevation gain. Organized by Sportevents, this race is perfect for beginners or anyone looking for a quick, scenic run through the Zoniënwoud.
The Marathon Zoniënwoud is 10km long.
The Marathon Zoniënwoud takes place in Brussels, Brussels-Capital Region, Belgium.
The Marathon Zoniënwoud elevation gain is 140 metres, which Runna classifies as a Moderate 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!
What is the Marathon Zoniënwoud?
The Marathon Zoniënwoud 10 km, happening on March 30, 2025, offers an accessible trail run with 140 meters of elevation gain. Organized by Sportevents, this race is perfect for beginners or anyone looking for a quick, scenic run through the Zoniënwoud.
How long is the Marathon Zoniënwoud?
The Marathon Zoniënwoud is 10km long.
Where does the Marathon Zoniënwoud take place?
The Marathon Zoniënwoud takes place in Brussels, Brussels-Capital Region, Belgium.
What is the elevation gain of the Marathon Zoniënwoud?
The Marathon Zoniënwoud elevation gain is 140 metres, which Runna classifies as a Moderate race.
How can I prepare for the Marathon Zoniënwoud?
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 Marathon Zoniënwoud?
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!
More
Sport:
Running
Tags:
Nature
Major City
UTMB
Altitude
Relay
Kid friendly
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Marathon Zoniënwoud or Sportevents. 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 Marathon Zoniënwoud website.
