BEMIDJI — The Bemidji Blue Ox Marathon is back for its 14th year Oct. 9-10, as runners of all ages and abilities trek along the scenic shores and trails surrounding Lake Bemidji. Serving as Bemidji's annual fall running weekend, organizers expect record attendance this year, with about 1,700 participants coming from 32 states and three Canadian provinces. The two-day weekend has something for every runner and walker. Friday’s events include the …