Ontario is about to get “Sinister” with two exciting new trail races in 2025

Sinister Sports is bringing two new events to Ontario: an epic 200-miler and a fun, for-all-abilities stage race

Meet Canada’s newest ultrarunning champ, Heidi Frehlich

“What I enjoy the most is the simplicity of putting one foot in front of the other,” says Frehlich

Run in a coal mine for 24 hours to challenge your fears

Sinister Sports’ latest race will have runners looping around a dark 500-metre track in an Alberta coal mine