September ultramarathons in Canada (Central)

Rolling and highly technical National Trail route in Mauricie, with roots, rocks, challenging climbs, and a finish at the forest amphitheatre in St-Mathieu-du‑P

Trail routes through Quebec's Charlevoix region, featuring boreal forest, diverse wildlife, and St. Lawrence River views in a UNESCO Biosphere Reserve

Rugged 200-mile route across Canadian Shield and coastal Algoma, featuring singletrack, bushwhacking, dirt roads, beach sections, and difficult navigation

Dense forest routes spanning lakes, streams, and hilly terrain in Haliburton Forest, featuring 100 mile, 50 mile, and 50K distances

Single-track routes up to 160 km through Forillon National Park, with sea and mountain views, scenic Gaspé Bay finish, and Côte-de-Gaspé landscapes.

Urban loop in central London with mild elevation changes, certified course, city scenery, and supportive atmosphere for ultra-distance performance

Flat, non-technical 3 km lap course through wooded trail, open meadow and vineyard at Sugarbush Vineyard, with timed formats up to 24 hours.

Three-day stage race on Bruce Peninsula featuring rugged climbs, ultra-distance routes, and varied terrain across dramatic autumn landscapes.

Remote Laurentian Mountains course with a 12.5 km loop of technical trails, steep hills, rocky sections, creek crossings, and changing directions each lap

50 km trail course at Nature's Harmony Ecolodge, wooded routes with a 4-hour 25 km cutoff and 8-hour limit, support and eco-friendly facilities along the way

Backyard ultra format on a 6.7 km trail loop, alternating direction each round, with 150 m of climbing and technical mixed terrain.