The Northern Center for Lifelong Learning will present a seminar titled “Evolution of the U.P. 200 Sled Dog Races.” It is scheduled from 7-8:30 p.m. Tuesday, May 20, in the Mead Auditorium of Northern Michigan University’s West Science Building. Presenters will be Dick and Lou Ann Balding, the race’s official timekeeper and one of the original three organizers of the U.P. 200, respectively. An overview with slides, photographs and other informational pieces will give a brief history of how the races started and how interested mushers and their sled dogs are solicited. The cost for the presentation is $4 for NCLL members and $7 for nonmembers. To register, contact class liaison Paula McCormick at 906-228-5489 before Friday, May 16.