【横浜】THE CHALLENGE RACE YOKOHAMA 10｜横浜のマラソン大会

THE CHALLENGE RACE YOKOHAMA is a Japan Association of Athletics Federations certified road race held on the Tsurumi River riverside course in Yokohama. Organized by RDC RUN CLUB, the event is built around the idea of supporting runners who want to test their training and pursue personal records in a focused race environment. The course uses a flat riverside loop with very little elevation difference, creating conditions intended for fast, consistent running. The event emphasizes practical race support rather than spectacle: pacer groups are prepared for a range of target times, aid stations provide drinks and energy gel, and runners can continue warming up until shortly before the start. The venue is based around the Shin-Yokohama area, with the riverside setting also requiring participants to follow rules for safe shared use of the public course. The race is connected with several ranking and qualification frameworks, including R.LEAGUE, TEAM ONE TOKYO, the All-Japan Marathon Ranking, and the age-by-age half marathon ranking. Its stated concept is to make serious record-chasing accessible to a wide range of runners, from general citizen runners to athletes looking for a certified performance opportunity, while creating a race that remains memorable both as an experience and as an official result.