Monarch Ultra 10km
Last run September 2026Date TBA
Peterborough, Ontario
No date announced yet — what we know
- Last held Saturday, September 19, 2026 — the third Saturday in September.
- Distances last time 10km, 1km
- Start 130 King Street, Peterborough, ON, Canada
RaceFinder re-reads the organizer's listing every morning. Nothing on this page is a confirmed 2027 date — the box under this one sends a single email the day one appears.
About this race
The fourth annual Monarch Festival & Race is back for 2026! Kicking off the fall season in Peterborough and welcoming participants of all ages & abilities. The Monarch Festival & Race takes place on Saturday, September 19th, combining conservation, education & outdoor activity into one amazing event!
— from the organizer's listing, read it in full
This race runs annually (last edition: September 19, 2026). The next date hasn't been announced — watch the organizer's page.
Listed via Race Roster. RaceFinder links you to the official page — always confirm date and details with the organizer. Your race? Update or claim this listing free →
Distances last time
- 10K Monarch Race
- 1K Kids Fun Run
Only 50 spots available - be sure to sign up your child in advance of race day in order to secure their spot!
Distances and details from the last edition's listing. Entry fees aren't shown because the next edition hasn't been priced yet.