The Pocatello marathon has a lot to offer from the serious marathoner to the novice. Experience the perks of a big race but the personal touches of a small race. There is the marathon (26.2 miles), half marathon (13.1 miles), 10k (6.2 miles), 5k (3.1 miles) and MaraFUN (1.0 mile) and For Kids “2” (0.2 miles).