いばらきチャレンジマラソン2026IN水戸信用金庫スタジアム

The Ibaraki Challenge Marathon takes place at Mito Shinkin Stadium in Kasamatsu Sports Park. The running course is located in Naka City, Ibaraki Prefecture. The event begins at 8:30 AM on a July morning and welcomes both Ibaraki residents and visiting runners. Race options cater to participants of all ages, from children to adults. The race guide provides practical information for race day, detailing challenging sections of the course, pacing strategies, aid station locations, and important venue information. It is particularly useful for runners aiming for a sub-four-hour marathon, first-time marathon finishers, and junior high school students and older. Participants in these age groups can enter multiple events without an additional fee.