4 running, cycling, fun run, and other events in Peterborough, Ontario

From big races to Saturday morning group runs—find running, cycling, fun run, ultra, and walking events and connect with the local endurance sports community.

• Monarch Ultra 10km [themonarchultra.com] [Register at raceroster.com]
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  Sat, Sep 19, 2026 at 10:00 AM

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  MONARCH ULTRA 10KM

  COME FOR THE RUN, STAY FOR THE FESTIVAL!

  The fourth annual Monarch Festival & Race is back for 2026! Kicking off the fall season in Peterborough and welcoming participants of all...

  MONARCH ULTRA 10KM

  COME FOR THE RUN, STAY FOR THE FESTIVAL!

  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!

  We're back at the stunning Millennium Park in downtown Peterborough, ON. Enjoy a 10km scenic route along the TransCanada Trail and Rotary Trail in East City Peterborough, finishing with a lively and family-friendly Monarch Festival.

  Distances offered: 10km & 1km

  Quick reminder to check your spam folder after you register in case our emails landed there. We will be sending out messages with important race details, so please keep an eye on your inbox.

  1k 10k Run Trail Ultra

  Otonabee River Trail, Peterborough, Ontario, K9J 3G8, Canada
  OpenStreetMap Google Maps
• Riverview Park & Zoo Fun Run and Walk [/] [Register at raceroster.com]
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  Sat, Sep 26, 2026 at 8:00 AM

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  The Riverview Park & Zoo Fun Run and Walk is back for 2026 and it’s wilder than ever! Join us on Saturday, September 26th for a family-friendly race that supports a fantastic cause. This year, all...

  The Riverview Park & Zoo Fun Run and Walk is back for 2026 and it’s wilder than ever! Join us on Saturday, September 26th for a family-friendly race that supports a fantastic cause. This year, all funds raised will go toward creating a fully accessible playground at the zoo, so every child can enjoy the fun.

  Choose your pace and your distance - 1km or 5km, walk or run - and don’t forget to wear your best animal costume! Whether you come as a lion, lemur, or lovebird, there are prizes for best costumes and plenty of smiles along the way.

  With only 500 spots available, make sure to register early and help us make this year’s event a roaring success!

  🐾 Date: Saturday, September 26, 2026

  🏃 Distances: 1km & 5km walk/run

  🎟 Registration: Limited to 500 participants

  🎯 Fundraising Goal: A fully accessible playground at Riverview Park & Zoo

  🎭 Costume Contest: Dress up as your favourite feathered or furry friend!

  Help us build a better, more inclusive play space - sign up today and run for a cause!

  Reminder to check your spam folder after you register in case our emails landed there. We will be sending out messages with important race details, so please keep an eye on your inbox. Thanks!

  1k 5k Fun Run Run Walk

  141 Carnegie Avenue, Peterborough, Ontario, K9H 3P8, Canada
  OpenStreetMap Google Maps

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