The Demi Marathon de la Voie Verte is a unique linear half-marathon event held on August 17, 2025, in Chelsea, Quebec, featuring an 18.5 km course along the scenic Chelsea Greenway. Participants can choose from a half marathon, a 5 km race, and a 1 km race, providing options for competitive runners and families alike.

This eco-responsible event includes water and electrolyte stations on the course, bus transportation to the start line for half-marathon participants, gear check, and a focus on community and charity support, with proceeds benefiting local organizations such as La Maison Libère-Elle and La Voie Verte de Chelsea.

- **Half Marathon (21.1 km)**: Start at Farm Point, Chelsea, QC, at 8:00 AM. Course includes the first 1.5 km along River Road towards Wakefield, then 18.5 km on the Chelsea Greenway. Water stations at KM 3, 6, 9, 11.7, 14.7, 17.8, 20.2, with electrolytes by Sparks Nutrition at KM 6, 9, 14.7, and 17.8. Bus transport from Russell Martin Baseball Park runs 6:45–7:30 AM. Gear check available.
- **5 km Race**: Start at 8:20 AM at Chelsea Co Brewery. Out-and-back route with approximately 3 km on the Greenway. Entry fee $50.
- **1 km Race**: Start at 11:00 AM at Chelsea Co Brewery. Short out-and-back route. Entry fee $15.

- Unique linear half-marathon with an 18.5 km course on the Chelsea Greenway
- Includes half marathon (21.1 km), 5 km, and 1 km races all on August 17, 2025
- Half marathon is sold out; transfers allowed and waiting list available
- Water stations at kilometers 3, 6, 9, 11.7, 14.7, 17.8, 20.2
- Electrolytes provided by Sparks Nutrition at kilometers 6, 9, 14.7, and 17.8
- Bus transportation to the start line included for half-marathon participants
- No parking at start; drop-off point and gear check available
- Eco-responsible event with 100% recycling of materials
- Proceeds benefit local charities including La Maison Libère-Elle and La Voie Verte de Chelsea