Over the weekend of 21–22 March 2026, ÉcoTrail Paris returns with a full program of trail races through Île-de-France, linking natural forests, parks, historic estates, and iconic landmarks. The distances on offer include 120 km, 80 km, 45 km, 35 km, 30 km (on Saturday), and 20 km, 10 km, 10 km Nordic walk, 20 km Nordic walk (on Sunday). Courses traverse Meudon, Saint-Cloud, Versailles forests, and more, with the 80 km route finishing at the foot of the Eiffel Tower. The event emphasizes sustainability: free public transport with bibs, local refreshment supplies, waste sorting, and an overall minimal carbon footprint. As a UTMB® World Series qualifier and FFA-licensed trail event, it attracts both elite trail runners and recreational participants seeking a nature-infused run through a major European capital.
Races
Race Date:
21 March, 2026
The ÉcoTrail Paris 120 km, organized by EcoTrail Organisation / Les Trailers de Paris-Île-de-France, will take place on Saturday, 21 March 2026 in Île-de-France, France, starting from Château de Rambouillet and finishing at the Eiffel Tower (Pont d’Iéna).
Race Date:
21 March, 2026
The ÉcoTrail Paris 80 km, also run by EcoTrail Organisation, is scheduled for Saturday, 21 March 20206 in Île-de-France, France, with a course starting at Île de Loisirs de Saint-Quentin and ending on the Eiffel Tower’s first floor.
Race Date:
21 March, 2026
The ÉcoTrail Paris 45 km, organized by EcoTrail Organisation, will be held on Saturday, 21 March 2026 in Île-de-France, France, beginning from the Château de Versailles and finishing at the Pont d’Iéna, via woodland and riverside trails.
Race Date:
22 March, 2026
The ÉcoTrail Paris 35 km, under EcoTrail Organisation, takes place on Sunday, 22 March 2026 in Île-de-France, France, starting from Domaine National de Saint-Cloud and finishing in Meudon via nature paths.
Race Date:
21 March, 2026
The ÉcoTrail Paris 30 km, organized by EcoTrail Organisation, is set for Saturday, 21 March 2026 in Île-de-France, France, with the start on the Meudon Observatory terrace and a finish at Pont d’Iéna.
Race Date:
22 March, 2026
The ÉcoTrail Paris 20 km, hosted by EcoTrail Organisation, will be held on Sunday, 22 March 2026 in Île-de-France, France, beginning in the Domaine National de Saint-Cloud and ending on the terrace of the Meudon Observatory.
Race Date:
22 March, 2026
The ÉcoTrail Paris 10 km, run by EcoTrail Organisation, is scheduled for Sunday, 22 March 2026 in Île-de-France, France, with a start in the Domaine National de Saint-Cloud and a mostly nature-based route to the finish.
Weather based on historical averages.
FAQs
What is the Ecotrail Paris 120km?
How long is the Ecotrail Paris 120km?
Where does the Ecotrail Paris 120km take place?
What is the elevation gain of the Ecotrail Paris 120km?
How can I prepare for the Ecotrail Paris 120km?
How do I choose the right training plan for the Ecotrail Paris 120km?
The ÉcoTrail Paris 120 km, organized by EcoTrail Organisation / Les Trailers de Paris-Île-de-France, will take place on Saturday, 21 March 2026 in Île-de-France, France, starting from Château de Rambouillet and finishing at the Eiffel Tower (Pont d’Iéna).
The Ecotrail Paris 120km is 122km long.
The Ecotrail Paris 120km takes place in Versailles, France.
The Ecotrail Paris 120km elevation gain is 2000 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 Ecotrail Paris 120km?
The ÉcoTrail Paris 120 km, organized by EcoTrail Organisation / Les Trailers de Paris-Île-de-France, will take place on Saturday, 21 March 2026 in Île-de-France, France, starting from Château de Rambouillet and finishing at the Eiffel Tower (Pont d’Iéna).
How long is the Ecotrail Paris 120km?
The Ecotrail Paris 120km is 122km long.
Where does the Ecotrail Paris 120km take place?
The Ecotrail Paris 120km takes place in Versailles, France.
What is the elevation gain of the Ecotrail Paris 120km?
The Ecotrail Paris 120km elevation gain is 2000 metres, which Runna classifies as a Moderate race.
How can I prepare for the Ecotrail Paris 120km?
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 Ecotrail Paris 120km?
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 Ecotrail Paris 80km?
How long is the Ecotrail Paris 80km?
Where does the Ecotrail Paris 80km take place?
What is the elevation gain of the Ecotrail Paris 80km?
How can I prepare for the Ecotrail Paris 80km?
How do I choose the right training plan for the Ecotrail Paris 80km?
The ÉcoTrail Paris 80 km, also run by EcoTrail Organisation, is scheduled for Saturday, 21 March 20206 in Île-de-France, France, with a course starting at Île de Loisirs de Saint-Quentin and ending on the Eiffel Tower’s first floor.
The Ecotrail Paris 80km is 84km long.
The Ecotrail Paris 80km takes place in Versailles, France.
The Ecotrail Paris 80km elevation gain is 1300 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 Ecotrail Paris 80km?
The ÉcoTrail Paris 80 km, also run by EcoTrail Organisation, is scheduled for Saturday, 21 March 20206 in Île-de-France, France, with a course starting at Île de Loisirs de Saint-Quentin and ending on the Eiffel Tower’s first floor.
How long is the Ecotrail Paris 80km?
The Ecotrail Paris 80km is 84km long.
Where does the Ecotrail Paris 80km take place?
The Ecotrail Paris 80km takes place in Versailles, France.
What is the elevation gain of the Ecotrail Paris 80km?
The Ecotrail Paris 80km elevation gain is 1300 metres, which Runna classifies as a Moderate race.
How can I prepare for the Ecotrail Paris 80km?
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 Ecotrail Paris 80km?
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 Ecotrail Paris 45km?
How long is the Ecotrail Paris 45km?
Where does the Ecotrail Paris 45km take place?
What is the elevation gain of the Ecotrail Paris 45km?
How can I prepare for the Ecotrail Paris 45km?
How do I choose the right training plan for the Ecotrail Paris 45km?
The ÉcoTrail Paris 45 km, organized by EcoTrail Organisation, will be held on Saturday, 21 March 2026 in Île-de-France, France, beginning from the Château de Versailles and finishing at the Pont d’Iéna, via woodland and riverside trails.
The Ecotrail Paris 45km is 47km long.
The Ecotrail Paris 45km takes place in Versailles, France.
The Ecotrail Paris 45km elevation gain is 800 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 Ecotrail Paris 45km?
The ÉcoTrail Paris 45 km, organized by EcoTrail Organisation, will be held on Saturday, 21 March 2026 in Île-de-France, France, beginning from the Château de Versailles and finishing at the Pont d’Iéna, via woodland and riverside trails.
How long is the Ecotrail Paris 45km?
The Ecotrail Paris 45km is 47km long.
Where does the Ecotrail Paris 45km take place?
The Ecotrail Paris 45km takes place in Versailles, France.
What is the elevation gain of the Ecotrail Paris 45km?
The Ecotrail Paris 45km elevation gain is 800 metres, which Runna classifies as a Moderate race.
How can I prepare for the Ecotrail Paris 45km?
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 Ecotrail Paris 45km?
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 Ecotrail Paris 35km?
How long is the Ecotrail Paris 35km?
Where does the Ecotrail Paris 35km take place?
What is the elevation gain of the Ecotrail Paris 35km?
How can I prepare for the Ecotrail Paris 35km?
How do I choose the right training plan for the Ecotrail Paris 35km?
The ÉcoTrail Paris 35 km, under EcoTrail Organisation, takes place on Sunday, 22 March 2026 in Île-de-France, France, starting from Domaine National de Saint-Cloud and finishing in Meudon via nature paths.
The Ecotrail Paris 35km is 35km long.
The Ecotrail Paris 35km takes place in Versailles, France.
The Ecotrail Paris 35km elevation gain is 830 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 Ecotrail Paris 35km?
The ÉcoTrail Paris 35 km, under EcoTrail Organisation, takes place on Sunday, 22 March 2026 in Île-de-France, France, starting from Domaine National de Saint-Cloud and finishing in Meudon via nature paths.
How long is the Ecotrail Paris 35km?
The Ecotrail Paris 35km is 35km long.
Where does the Ecotrail Paris 35km take place?
The Ecotrail Paris 35km takes place in Versailles, France.
What is the elevation gain of the Ecotrail Paris 35km?
The Ecotrail Paris 35km elevation gain is 830 metres, which Runna classifies as a Moderate race.
How can I prepare for the Ecotrail Paris 35km?
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 Ecotrail Paris 35km?
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 Ecotrail Paris 30km?
How long is the Ecotrail Paris 30km?
Where does the Ecotrail Paris 30km take place?
What is the elevation gain of the Ecotrail Paris 30km?
How can I prepare for the Ecotrail Paris 30km?
How do I choose the right training plan for the Ecotrail Paris 30km?
The ÉcoTrail Paris 30 km, organized by EcoTrail Organisation, is set for Saturday, 21 March 2026 in Île-de-France, France, with the start on the Meudon Observatory terrace and a finish at Pont d’Iéna.
The Ecotrail Paris 30km is 30km long.
The Ecotrail Paris 30km takes place in Versailles, France.
The Ecotrail Paris 30km elevation gain is 500 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 Ecotrail Paris 30km?
The ÉcoTrail Paris 30 km, organized by EcoTrail Organisation, is set for Saturday, 21 March 2026 in Île-de-France, France, with the start on the Meudon Observatory terrace and a finish at Pont d’Iéna.
How long is the Ecotrail Paris 30km?
The Ecotrail Paris 30km is 30km long.
Where does the Ecotrail Paris 30km take place?
The Ecotrail Paris 30km takes place in Versailles, France.
What is the elevation gain of the Ecotrail Paris 30km?
The Ecotrail Paris 30km elevation gain is 500 metres, which Runna classifies as a Moderate race.
How can I prepare for the Ecotrail Paris 30km?
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 Ecotrail Paris 30km?
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 Ecotrail Paris 20km?
How long is the Ecotrail Paris 20km?
Where does the Ecotrail Paris 20km take place?
What is the elevation gain of the Ecotrail Paris 20km?
How can I prepare for the Ecotrail Paris 20km?
How do I choose the right training plan for the Ecotrail Paris 20km?
The ÉcoTrail Paris 20 km, hosted by EcoTrail Organisation, will be held on Sunday, 22 March 2026 in Île-de-France, France, beginning in the Domaine National de Saint-Cloud and ending on the terrace of the Meudon Observatory.
The Ecotrail Paris 20km is 20km long.
The Ecotrail Paris 20km takes place in Versailles, France.
The Ecotrail Paris 20km elevation gain is 550 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 Ecotrail Paris 20km?
The ÉcoTrail Paris 20 km, hosted by EcoTrail Organisation, will be held on Sunday, 22 March 2026 in Île-de-France, France, beginning in the Domaine National de Saint-Cloud and ending on the terrace of the Meudon Observatory.
How long is the Ecotrail Paris 20km?
The Ecotrail Paris 20km is 20km long.
Where does the Ecotrail Paris 20km take place?
The Ecotrail Paris 20km takes place in Versailles, France.
What is the elevation gain of the Ecotrail Paris 20km?
The Ecotrail Paris 20km elevation gain is 550 metres, which Runna classifies as a Moderate race.
How can I prepare for the Ecotrail Paris 20km?
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 Ecotrail Paris 20km?
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 Ecotrail Paris 10km?
How long is the Ecotrail Paris 10km?
Where does the Ecotrail Paris 10km take place?
What is the elevation gain of the Ecotrail Paris 10km?
How can I prepare for the Ecotrail Paris 10km?
How do I choose the right training plan for the Ecotrail Paris 10km?
The ÉcoTrail Paris 10 km, run by EcoTrail Organisation, is scheduled for Sunday, 22 March 2026 in Île-de-France, France, with a start in the Domaine National de Saint-Cloud and a mostly nature-based route to the finish.
The Ecotrail Paris 10km is 10km long.
The Ecotrail Paris 10km takes place in Versailles, France.
The Ecotrail Paris 10km elevation gain is 170 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 Ecotrail Paris 10km?
The ÉcoTrail Paris 10 km, run by EcoTrail Organisation, is scheduled for Sunday, 22 March 2026 in Île-de-France, France, with a start in the Domaine National de Saint-Cloud and a mostly nature-based route to the finish.
How long is the Ecotrail Paris 10km?
The Ecotrail Paris 10km is 10km long.
Where does the Ecotrail Paris 10km take place?
The Ecotrail Paris 10km takes place in Versailles, France.
What is the elevation gain of the Ecotrail Paris 10km?
The Ecotrail Paris 10km elevation gain is 170 metres, which Runna classifies as a Moderate race.
How can I prepare for the Ecotrail Paris 10km?
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 Ecotrail Paris 10km?
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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This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Ecotrail Paris or EcoTrail. 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 Ecotrail Paris website.