10K
Monarch Ultra 10km
Sat, Sep 20 · 8:00 AM
$83.17
10K
- Past race
- Ultra
Monarch Ultra 10km 2025
- Peterborough, Ontario
About Monarch Ultra 10km 2025
The Monarch Ultra is an annual event that combines conservation, education, and physical activity to raise awareness for monarch butterfly conservation. The 2025 event marks the third annual Monarch Festival & Race, featuring a 10km race and a 1km Kids Fun Run.
The event includes a vibrant festival with live music, local crafts, face painting, and informative booths to educate attendees about the importance of preserving monarch butterflies.
Distances and events
1K
Monarch Ultra 1km Kids Fun Run
Kids OnlySat, Sep 20 · 7:30 AM
$23.83
Prices from the organizer. Please check the official website for up-to-date times and pricing.
Highlights
Annual festival with live music, local crafts, and face painting
Monarch butterfly conservation awareness
Prizes for best monarch-themed costumes
1km Kids Fun Run included alongside the 10km race
Course
- Location
- Peterborough, Ontario
Course details
- 10km out-and-back course starting and ending at Millennium Park, 130 King Street, Peterborough
- Route follows the Rotary Trail beside the Otonabee River, mostly flat and fast
- Mixed surfaces primarily on trails along Rotary Trail and TransCanada Trail
- Water station at the 5km turnaround point; participants must bring their own vessels (cup-free event)
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Listing freshness
The Running Directory combines organizer-provided details, official race links, and ongoing listing research. Always confirm final dates, prices, times, and course details with the race organizer before registering.
Last updated: October 2, 2026
Official registration(opens in a new tab)