Early season pricing ends Wednesday night, Jan. 24, for the Colfax Marathon races that will be held the weekend of May 20. Marathon registration is currently $99 but will increase to $114 after 11:59 p.m. on Wednesday. Prices will increase again on April 19 to $129 and on May 15 to $139. Similar price increases will be instituted for the other races: — The half marathon, currently $89, increases to $99 at 12 a.m.