21K de Montréal
Race snapshot
Race Day
Feels cool
Total elevation gain
Relatively flat course · Net elevation change +26 ft
Crowd Rating
Moderate spectator support
The Lowdown
The 21K de Montréal is the spring half marathon at Parc Jean-Drapeau, produced by Courons MTL. It has run as the 21K Nespresso de Montréal since 2026, when Nespresso became title sponsor. The 22nd edition ran April 18-19, 2026, with about 11,000 participants over two days, and the half marathon and 10K sold out before race day. The next edition is April 17-18, 2027, with the half marathon on Sunday. The start is at Espace 67 and runners are placed in numbered corrals by their estimated pace, with pacers on the course. The 21.1 km route has about 34 m of climb and includes a 1.1 km stone-dust section run twice. The course is certified by Athlétisme Québec, and the time limit is 3 hours.
Questions about the 21K de Montréal 2027
When is the 21K de Montréal 2027?
Sunday, April 18, 2027.
Where is the 21K de Montréal?
Montréal, Quebec, Canada.
What time does the 21K de Montréal start?
The race starts at 8:00 AM, local time.
What is the 21K de Montréal time limit?
3 hours.
How do I enter the 21K de Montréal 2027?
Registration is open. Ways in: Individual registration through Let's Do This; Group registration with a 10% discount for groups of 12 or more.
How much does the 21K de Montréal 2027 cost?
Half Marathon: CA$100. 10K: CA$70.
What is the 21K de Montréal elevation gain?
34 m (112 ft) of total elevation gain. Net elevation change: +8 m (26 ft). Relatively flat course.
What is the weather like at the 21K de Montréal?
The race-day average is 8 °C (46 °F). Feels cool.
Prepare for This Race
Running this race?
MarathonOS puts your race countdown on your Lock Screen and keeps every race-week checklist on your phone. Checklists and your race report are free for your first race.
Scan to download
Community
Community Reviews
Learn from fellow runners and share insights that will help the next person toe the line.