Races Marathon · Calgary, Canada
Calgary Marathon
Calgary Marathon is a rolling marathon in Calgary, Canada, held each May. A rolling prairie-city loop finishing at Enmax Park — Canada's longest-running marathon, with western hospitality the whole way. Late May in Calgary is 5-16C and can swing quickly either direction. Calgary's rolling course rewards effort-based pacing — hold steady effort on the rises and let the pace return on the descents.
Page rebuilt 2026-10-01 · race facts not independently verified — confirm dates and entries on the official race site
When
May
every year
Course
rolling
Marathon
Conditions
Late May in Calgary is 5-16C and can swing quickly either direction.
Racing this course well
A rolling prairie-city loop finishing at Enmax Park — Canada's longest-running marathon, with western hospitality the whole way.
Calgary's rolling course rewards effort-based pacing — hold steady effort on the rises and let the pace return on the descents.
Pick your goal for Calgary
Pace charts, weekly structure and timelines for the most common marathon goals:
We don’t hold a confirmed date for this edition, so any countdown comes from the date you enter here.
Build your training around Calgary Marathon.
RunV works backwards from race day to today and rearranges the weeks when life interrupts. It does not adapt to this specific course — the pacing guidance above is where the course knowledge is.
Everything above stays free and complete — this is an optional next step, not a paywall.
Asked often
- When is the Calgary Marathon?
- It is held each May in Calgary, Canada. Check the official Calgary Marathon site for the exact date and entry windows.
- Is the Calgary Marathon course flat?
- A rolling prairie-city loop finishing at Enmax Park — Canada's longest-running marathon, with western hospitality the whole way.
- How should I train for the Calgary Marathon?
- Match your preparation to Calgary Marathon's profile and the May weather, then protect consistency — RunV's adaptive plan recalibrates after every run so one bad week never derails the block.
Not sure what to target? Predict your marathon time from a recent race →
More marathon races
Build for Calgary — around your actual life
RunV engineers your block backwards from race day in May — and rebuilds it every time training doesn't go to script.
