2025 Riverfront Sumo Open

Welcome back to Grand Rapids for the 4th annual Riverfront Sumo Open! Hosted alongside JAFAX at the DeVos Place Convention Center, we're looking forward to a weekend full of sumo! Along with the tournament on Saturday June 28th, we will also be hosting open training on Friday the 27th and Sunday the 29th. In addition, this year we will be hosting sumo discussion panels on Friday and Sunday as part of the convention offerings!