Tidal Force Ultra 100
Riverview, Canada • 22-23 Aug 2026
Tidal Force Ultra 100 (Night Run)
Tidal Force Ultra 100 takes place on August 22 and 23, 2026 in Riverview, New Brunswick. The event was established in 2026.
The main distance is a 100 km night run described as Dusk Till Dawn. The event uses a Backyard Ultra format consisting of 15 loops of 6.7 km. The final loop is run as a sprint to the finish with cash prizes awarded: 1st place 500 CAD, 2nd place 300 CAD, 3rd place 200 CAD.
The course is a hybrid of trail and asphalt and it is not certified. The start location is Riverview's Riverfront Park Gazebo.
Registration is available online and race day registration is offered. Race day registration and general registration are held at the Riverfront Park Gazebo. Entry fees are listed in Canadian dollars: Early Bird until July 31, 2026 at 56.31 CAD per registrant, regular deadline August 20, 2026 at 72.51 CAD per registrant.
Additional documents provide the rules and a map of the 6.7 km loop. Visit the organization's website for the most recent information.