Next race
Sunday, 18 October 2026
9:00 am start
Distance
42.195 km / 26.2 mi
Urban road
Elevation
Rolling · 150 m gain
150 m climbing
Race profile
Overview
The Marathon Vert Rennes is Brittany's largest marathon, drawing about 6,000 finishers each October through the regional capital. The course passes the Parlement de Bretagne, Thabor Park, and the Vilaine River on rolling Breton terrain. October autumn weather and a green, park-filled route justify the 'Vert' (green) name.
Marathon Vert Rennes is a certified 42.195 km (26.2 mile) marathon — the standard World Athletics marathon distance.
- Typical participants
Approximately 6,000 finishers
- Weather
Course & terrain
Marathon Vert Rennes course
Course route details and elevation profile for race-week planning.
The Marathon Vert Rennes is a Breton loop starting and finishing near Le Liberté, passing the Parlement de Bretagne, Parc du Thabor, and the Vilaine embankment. The riverside and central boulevard miles are the easiest, while the repeated gentle Breton undulations are the tougher sections; crowds gather near Le Liberté, around the parliament building, and through Parc du Thabor.
The Marathon Vert Rennes course is rolling over 42.195 km (26.2 miles). Runners cover 150 metres of climbing and 140 metres of descent, with a net climb of 10 metres from start to finish.
- Elevation
Rolling · 150 m gain — approx. 39 m above sea level
↑ 150 m · ↓ 140 m · net +10 m
Registration
Marathon Vert Rennes entry requirements
For the Marathon Vert Rennes, the race is held on the third Sunday of October. Registration is at https://www.marathonvert-rennes.com/.
Getting there
Marathon Vert Rennes travel
Airports closest to Rennes for flight planning and race-week travel.
- Closest airport
Saint-Jacques-de-la-Lande, Ille-et-Vilaine (RNS)
Rennes-Saint-Jacques Airport
6 km / 4 mi
Race footage
Marathon Vert Rennes videos
Race-day footage from the course to help you picture the route, crowds, and key landmarks on marathon day.
AFTERMOVIE 2025 - Marathon Vert Rennes School of Business
Teaser Marathon Vert Rennes Konica Minolta 2022
Common questions
Frequently Asked Questions
- What is the Marathon Vert Rennes elevation profile?
- The Marathon Vert Rennes has 150 metres of total climbing and 140 metres of descent over 42.195 km (26.2 miles). The course is rolling, with 10 metres of net climb from start to finish.
- How long is the Marathon Vert Rennes?
- The Marathon Vert Rennes is the standard marathon distance of 42.195 kilometres (26.2 miles), certified to World Athletics rules. Starts and finishes at the Le Liberté concert hall area.
- What time does the Marathon Vert Rennes start?
- The 2026 Marathon Vert Rennes starts at 9:00 am local time on Sunday, 18 October 2026. Arrive early for baggage drop and corral access — official race communications confirm any last-minute schedule changes.
- Why is it called the Marathon Vert Rennes?
- 'Vert' (green) reflects the race's emphasis on sustainability and a course through Rennes' parks and green spaces like Parc du Thabor.
- Where does the Marathon Vert Rennes finish?
- The finish is near Le Liberté in central Rennes.
- When is the Marathon Vert Rennes?
- The race is held on the third Sunday of October.
- Is the Rennes Marathon flat?
- No. Brittany has rolling terrain with gentle hills throughout the course.
- What does the Rennes course pass?
- Runners pass the Parlement de Bretagne, Parc du Thabor, and the Vilaine River.
Official resources
Marathon Vert Rennes links
Websites
Last updated 11 October 2026. Edition dates and course details are reviewed regularly.
Close to this race
Nearby Marathons
Other races closest to Rennes.
NantesPays de la LoireFrance· 100 km away
Marathon de Nantes
The Marathon de Nantes attracts about 5,000 finishers each November through western France's largest city. The course passes the Château des Ducs de Bretagne, the Loire River, and the Île de Nantes district on flat Atlantic-coast terrain. November crisp weather and a historic city-centre route make it the Loire-Atlantique's premier marathon.
Next race: Sunday, 8 November 2026
Saint-NazairePays de la LoireFrance· 101 km away
Marathon de la Côte d'Amour
The Marathon de la Côte d'Amour runs along the Atlantic coast of Saint-Nazaire and the Loire estuary, drawing about 2,800 finishers each November. The course follows the 'Love Coast' beaches and passes the Saint-Nazaire shipyards and seaside resorts of western France. November Atlantic weather and coastal rolling terrain characterise this Breton-Loire marathon.
Next race: Sunday, 22 November 2026
SaumurPays de la LoireFrance· 152 km away
Saumur Marathon de la Loire
The Saumur Marathon de la Loire follows the Loire Valley through the famous wine town of Saumur, drawing about 3,000 runners each May. The course passes the Château de Saumur, the Loire River, and the troglodyte cliff dwellings of the valley. May spring weather in the 'Garden of France' creates a scenic château-country marathon.
Next race: Sunday, 9 May 2027
Planning guides
Related guides
Practical guides to help you plan, train for, and run this race.
Marathon Course Profiles Explained
What flat, rolling, and hilly really mean — and how to read elevation gain, net change, and altitude on a marathon course.
Marathon Weather: What to Expect
How temperature, humidity, wind, and rain affect marathon performance — and how to use typical race-day weather when choosing a start line.
How to Choose a Marathon
Match a race to your goals — personal bests, sightseeing, atmosphere, or a major milestone — using course data and realistic expectations.