The Trail du Grand-Duc is a premier trail running event nestled in the breathtaking Parc national de la Jacques-Cartier in Stoneham-et-Tewkesbury, Quebec, Canada. Catering to a wide spectrum of runners, it offers challenging distances including 11 km, 18 km, 22 km, 35 km, and a 42 km marathon distance, alongside a fun 2.5 km Kids Race. This event provides a unique opportunity for participants to immerse themselves in a rugged, natural environment, traversing stunning landscapes with varied terrain. Known for its rustic ambiance and professional organization, the Trail du Grand-Duc consistently delivers a memorable experience for trail running enthusiasts
Race Date:
25 October, 2025
The Trail du Grand-Duc 42 km is the premier marathon-distance event within the Trail du Grand-Duc, challenging experienced runners with a demanding course through the stunning Parc national de la Jacques-Cartier. It features significant elevation changes and technical trails, offering a true test of endurance and skill in a beautiful natural setting.
Weather based on historical averages.
The Trail du Grand-Duc 42 km is the premier marathon-distance event within the Trail du Grand-Duc, challenging experienced runners with a demanding course through the stunning Parc national de la Jacques-Cartier. It features significant elevation changes and technical trails, offering a true test of endurance and skill in a beautiful natural setting.
The Trail du Grand-Duc 42km is 42km long.
The Trail du Grand-Duc 42km takes place in Stoneham-et-Tewkesbury, Quebec, Canada.
The Trail du Grand-Duc 42km elevation gain is 1480 metres, which Runna classifies as a Hilly 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 Trail du Grand-Duc 42 km is the premier marathon-distance event within the Trail du Grand-Duc, challenging experienced runners with a demanding course through the stunning Parc national de la Jacques-Cartier. It features significant elevation changes and technical trails, offering a true test of endurance and skill in a beautiful natural setting.
The Trail du Grand-Duc 42km is 42km long.
The Trail du Grand-Duc 42km takes place in Stoneham-et-Tewkesbury, Quebec, Canada.
The Trail du Grand-Duc 42km elevation gain is 1480 metres, which Runna classifies as a Hilly 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!
Running
Nature
Kid friendly
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Trail du Grand-Duc or Défi Entreprises actives. 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 Trail du Grand-Duc website.