In Marathon Race io, players take on the role of a runner who strives to become the fastest athlete on the planet. Players start at a basic level and can improve runner skills such as speed, endurance, income, etc. The more the player covers the distance, the more opportunities there are to improve skills and collect bonuses. Marathon Race io, runner game, speed game, endurance game, sports game, endless runner, clicker game, kids friendly, no blood, racing game, online game, mobile game, endurance, speed, income, skills, bonuses, marathon, champion, running, timekiller, sports