From big races to Saturday morning group runs—find half marathon events and connect with the local endurance sports community.
Sat, Jun 06, 2026 at 9:00 AM
The 38th annual - Don McMaster Memorial
12 Mile Creek Trail Half Marathon & 7k
The half marathon (21 km) race follows a historic route which includes the first Welland Canal and the 12 Mile Creek...
7k 12 Miles 21k Half Marathon Run Trail Walk
107 Lockhart Drive, St. Catharines, Ontario, L2S 3A1, CanadaAge Group Masters Swim
Contact: brockswimming@brocku.ca
St. Catharines, Ontario, L2S 3A1, CanadaMasters Swim
Contact: dling@brocku.ca
St. Catharines, Ontario, CanadaStudent Swim
Contact: dling@brocku.ca
St. Catharines, Ontario, L2S 3A1L2S 3A1, CanadaThe Corners Run Crew is a vital and community-centered running group that has been fostering a powerful sense of belonging in St. Catharines, Canada, since October 2019. Founded and led by Colin, their entire identity is built on the founding mantra "Moderate Pace, Positive Space." They are explicitly a 2SLGBTQ+ and BIPOC body-positive safe space that welcomes people of all experiences and abilities. Their incredible impact has been recognized with awards from Pride Niagara and De daw da devs nye>s Aboriginal Health Centre, and they are defined by their advocacy work and a busy schedule of weekly runs.
Community Run Social
St. Catharines, Ontario, Canada