The 36th annual Niagara's 12 Mile Creek Trail Half Marathon & 7k Cancer Run takes place on June 7, 2025, in St. Catharines, Ontario. The half marathon course follows a historic route along the first Welland Canal featuring the scenic 12 Mile Creek Trail (also known as the Merritt Trail), including a challenging ascent up Hydro Hill on the Niagara Escarpment. The 7 km run offers a shorter but demanding trail experience. Proceeds support the Niagara Rankin Cancer Run.

* Half marathon features out-and-back and looped sections with rolling hills * Approximately 80% hard-packed gravel trail surface with some paved sections * Six electrolyte and water stations along the course * Notable Hydro Hill ascent on the Niagara Escarpment * Trail terrain with mix of gravel and paved paths

• Supports Niagara Rankin Cancer Run charity
• Historic route along the first Welland Canal
• Scenic 12 Mile Creek Trail (Merritt Trail)
• Challenging Hydro Hill climb
• Multiple race distances: Half Marathon and 7 km trail run
• Limited to 275 total participants