JERICHO, Vermont – With the entire U.S. senior field and several top Canadians donning bibs this weekend, there was plenty of excitement at the Ethan Allen Firing Range in Jericho, Vermont. In the senior divisions of the North American Rollerski Biathlon Championships, the men’s races were characterized by close finishes, with Tim Burke outsprinting JP Le Guellec for the pursuit title, Ethan Dreissigacker edging Lowell Bailey by one second for fourth, and Sara Studebaker besting...