The race. 20 mile and 40 mile missouri river canoe, kayak, and sup races give paddlers the opportunity to actively promote clean water education, restoration and recreation.. The missouri river mr340 is the world’s longest nonstop river kayak race. 340 miles across the state of missouri, from kansas city to upstream from st. louis with an 88 hour time limit to complete the race.. The missouri river 340, or mr340, is a 340 mile kayak and canoe race from kansas city, kansas to st. charles, missouri that follows the missouri river. it is the longest continuous canoe and kayak marathon in north america besides the yukon 1000, [1] and possibly the world..
Home of the missouri river 340, the world's longest non-stop canoe and kayak race.. Kayaking events in missouri: would you like your event to appear hear, tell us about it. use our contact form and contact us with all the details. events must be in the state of missouri to be considered for the event calendar.. Kansas city, mo - about 600 paddlers are paddling the missouri river from kansas city to st. charles in the world's longest canoe/kayak race. the missouri american water mr340 is a race to support river preservation. it is the 13th running of the annual river race..