Ferrell has participated in marathons including the Boston, New York, and Stockholm Marathons. He often competes in ironman, marathons, and triathlons. During his term in office, he competed in several triathlons, marathons and bike races. Schiff has participated in multiple endurance challenges, including triathlons and marathons. Procter has taken part in various triathlons and marathons. Some runners compete to run the same marathons for the most consecutive years. Hansen won 19 international wheelchair marathons, including three world championships. She has participated in several half marathons for charity. She has run in several marathons. He has also run numerous half marathons. The race is a member of the Association of International Marathons and Distance Races. Christian Hottas is meanwhile the first runner who ever completed 2000 marathons. A long-distance runner, Benson averages two full marathons per year. Numerous special events were held, including marathons and other runs. These race is certified by the (AIMS) Association of International Marathons and Distance Races.