Ready for a year-round running adventure? Sign up for this Rochester challenge where you'll race through all four seasons by completing four events in your choice of half marathons or 5Ks (with a quarter marathon in winter), earning a medal for each race plus an exclusive lightweight water-resistant jacket when you finish the whole series. Register for the challenge by January 2nd, then enter each individual race as registration opens for events in January, April, July, and September.