Ontario, Canada · May
May Races in Ontario, Canada
Find races in Ontario, Canada taking place in May. Compare dates, locations, distances and registration information. Explore 8 race with a confirmed dates.
- Upcoming, date confirmed
- 8
- Active listings
- 8
Nearby months
Browse Ontario races by distance
Races in nearby provinces and territories
Guides from the RaceRove blog
- 4 min read Diplo's Run Club 2026-27: Every City, Date and Course Diplo's Run Club is a 5K with a post-race concert. Every US date for 2026-27 (San Francisco, New York, Los Angeles, San Diego and Phoenix), start times and courses.
- 8 min read How to Choose Your First Marathon A practical checklist for choosing a first marathon based on course, weather, cutoff, travel, field size and support.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- Blog All guides Planning advice for finding, choosing and travelling to races.
May Races in Ontario, Canada: common questions
- How many races are there in Ontario, Canada in May?
- RaceRove currently lists 8 upcoming races in Ontario, Canada in May with a confirmed date.
Search every race in Ontario, Canada
Filter by month, distance, course profile and field size, save races to a shortlist and compare them side by side in the interactive search.