This competition was held in SOLA2021 and 2022. The competition consists of 42 questions, which we took from the length of an Olympic marathon: 42.195 kilometers. This event is open to anyone who wants to test their math skills and take part in a fun challenge. The first time and the second time, many participants from countries around the world joined this event, and it was a very enjoyable competition. Participate in this math tournament with high school students from around the world and enjoy a summer of math! We are waiting for your participation!