Mr340 Race 2025. This is the complete guide to the missouri river 340, featuring race prep, gear, travel, logistics, setup, race start. Anybody paddling tandem plastic canoe willing to share their boat numbers (or anyone.

Charles, the annual mr340 (missouri river 340 miles) is the country’s longest continuous river race and definitely not a normal float trip. There’s a lot to keep track of with the missouri american water mr340.