The 2026 ENDURrun Sport 80 KM is a unique, eight-day, eight-stage running challenge held in the Waterloo Region of Ontario, Canada, from August 9 to August 16, 2026. Modeled after the Tour de France, the ENDURrun series was established in 2003 to provide runners with a multi-stage, multi-discipline experience. The Sport 80 KM variant offers a condensed version of the original 160 KM event, making it accessible to a broader range of athletes while still delivering a rigorous and diverse test of endurance.

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Participants in the ENDURrun Sport 80 KM tackle a variety of race formats, including road, cross-country, technical trail, hill, and track stages. Each day presents a new challenge, with courses set across different venues in Waterloo, Cambridge, Kitchener, Wilmot, and Conestogo. The event is renowned for its supportive atmosphere, experienced volunteers, and comprehensive runner services, including fluid stations and post-race refreshments. Awards are presented to top overall and masters finishers, and all participants receive finisher medals, making it a celebrated event in the Canadian running calendar.

The ENDURrun Sport 80 KM features eight distinct stages:

• Stage 1: 10 KM road race at RIM Park, Waterloo – flat, paved surface
• Stage 2: 7.5 KM time trial at Riverbluffs Park, Cambridge – flat, paved out-and-back
• Stage 3: 5 KM cross-country at Shade's Mills Conservation Area, Cambridge – grassy/dirt trails, moderate elevation
• Stage 4: 10 KM cross-country at Shade's Mills Conservation Area – two loops of Stage 3 course
• Stage 5: 8 KM (5 Mile) hill run on Walter Bean Trail, Kitchener – rolling hills, paved path
• Stage 6: 13.4 KM technical trail in Baden Hills – five loops, challenging dirt trails, significant elevation
• Stage 7: 5 KM track race at St. David Catholic Secondary School, Waterloo – 12.5 laps on 400m track
• Stage 8: 21.1 KM half marathon at RIM Park – three loops, flat, paved course

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The terrain varies from flat, fast roads and tracks to technical trails with notable elevation changes, providing a comprehensive test of running ability.

• Eight consecutive days of racing, totaling 80 KM
• Diverse race formats: road, cross-country, trail, hill, and track
• Technical trail and hill stages for added challenge
• Time trial and track events to test speed and endurance
• Supportive community with experienced volunteers
• Awards for top finishers and finisher medals for all
• Guest runner options for individual stages