2026 Tidal Force Ultra 100

This page is kept as a past race archive for the Aug 22, 2026 edition in Riverview, NB. Use the links below to find upcoming races in the same area or distance category. You can also browse the 2026 race calendar.

Tidal Force Ultra 100 is a dusk-to-dawn night run along the Petitcodiac Loop Trail in Riverview on August 22–23, 2026. Organizers describe 15 hourly 6.7 km loops starting from the Riverfront Gazebo on Coverdale Road, with a 7:00 p.m. start and a 10:00 a.m. finish window the next morning, plus cash prizes for the final-loop sprint.

Race Roster and Tidal Force describe a 6.7 km loop that is roughly one-third asphalt and two-thirds fine crushed gravel, crossing two bridges, two boardwalks, and a covered bridge around the Petitcodiac River. Each loop begins and finishes at the Riverfront Gazebo on the Riverfront Trail. About three-quarters of the course is lit; a halfway safety checkpoint operates on the Moncton side during the night portion.

• Friday–Saturday, August 22–23, 2026 in Riverview, NB
• 15 × 6.7 km loops on the Petitcodiac Loop Trail (Trans Canada Trail)
• Starts 7:00 p.m. at the Riverfront Gazebo; finish window 10:00 a.m. Saturday
• Each loop must be completed within one hour or runners are declared DNF
• Headlamp, spare light, whistle, and phone required for night sections
• Commemorative medal for runners reaching loop 7 (47 km)
• Ultra Elite 100 wrist band for finishers completing 100 km within 15 hours