TCS Toronto Waterfront Marathon 2025

TCS Toronto Waterfront Marathon 2025 2026 Course Analysis

TCS Toronto Waterfront Marathon 2025 is a full marathon held in Toronto, Canada, scheduled for Sunday 18 October 2026. The course is run on trail surface with 153m of total elevation gain, reaching a maximum altitude of 139m above sea level. For registration and full race details, visit the official TCS Toronto Waterfront Marathon 2025 website.

Elevation Profile

With 153m of elevation gain, this is a moderately undulating course. The route ranges from 74m to 139m above sea level (65m total range). While not completely flat, the elevation changes are manageable for most runners and shouldn't significantly impact pacing strategy.

Surface Type: Trail

TCS Toronto Waterfront Marathon 2025 is a trail race, meaning the course includes unpaved surfaces such as dirt, gravel, or forest paths. Trail surfaces are inherently slower than road courses due to uneven footing, technical sections, and often steeper gradients. Trail-specific shoes with good grip are recommended, and runners should expect a finish time 10-20% slower than their equivalent road marathon time.

How Difficult Is TCS Toronto Waterfront Marathon 2025?

Our difficulty rating for TCS Toronto Waterfront Marathon 2025 is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.

Looking for an easier marathon or a tougher challenge? You can also compare TCS Toronto Waterfront Marathon 2025 against other marathons to find the right race for your goals.