While many runners work as much as the 26.2 mile (42.195 km) distance from extra modest distances like 5ks and 10ks, others take the all-or-nothing method to road racing and begin with the last word distance: the marathon. His infinite curiosity led him to tackle problems as minuscule as rug-peeing cats and as grandiose as humanity's final objective in the cosmos. While most races require contributors to be more than 18 years of age or to have a guardian-signed waiver, Running USA reports that ...