Welland Canal Open Water Swim takes place on Sun, Aug 30, 2026 in Welland, Canada. The main route is 10 km.
- Date
- Sun, Aug 30, 2026
- Start
- Welland 🇨🇦
- Distance
- 10 km
- Level
- Open to all
Held at the Welland International Flatwater Centre, this iconic open-water swim event features a variety of distances ranging from 1K to a 15K ultra swim.
Official event pageWhat this race demands
The Welland Canal Open Water Swim demands sustained cardiovascular endurance and mental focus to complete a continuous 10 km distance in open water.
Aero-aerobic capacity
Swimming a 10 km distance requires an exceptional aerobic base and steady pacing to sustain output over several hours without rest.
Sighting and navigation
An open-water setting at the Welland International Flatwater Centre requires consistent sighting technique and stroke efficiency to maintain a straight line over a long duration.
Thermal and muscular durability
A late-August swim of this magnitude stresses the upper body and core repetitively, requiring rigorous conditioning to prevent form breakdown in the later stages.
Given that a 10 km swim will exceed 2.5 hours for most participants, athletes should plan to consume 60 to 90 grams of carbohydrates per hour using liquid or gel feeds managed via support craft or designated feed stations.
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