22-23 International Snowmobile Racing Rules Copyright 2022 ALL DRAG RACING COMPETITION COURSE LENGTH 1. Other than maximum course length and minimum lane width, variations in course dimensions may be approved by each region but will not be accepted in determining ISR timing records. 2. Maximum course length for ice is 660 feet. 3. Maximum course length for Grass is 500 feet 4. Maximum course length for Snow is 500 feet
This is not my race it is just some friends/competitors of mine.
We race on lakes as well and that works fine.
For me I'm partial to land because you never have to worry about ice thickness. Especially now with the heavy groomer tractors and winter weather that is unpredictable.. Downside being land owner liability.
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