ムサコ丸子橋リバーサイドマラソン【5月16日（土）開催】

The Musako Marukobashi Riverside Marathon is a running event held around the Marukobashi riverside area. The event information presents the venue as an accessible riverside setting with a favorable atmosphere after the race, noting that various activities are held in the surrounding area. The organizer positions the event as welcoming to a broad range of runners, from casual fun-run participants to more competitive athletes, with an emphasis on making participation approachable and reasonably priced. The source also highlights participant-oriented features such as finisher certificate handling and a points card system, giving the race the character of a recurring local running event designed to encourage continued participation.