Van Vinson pulled off a thrilling victory in the pole vault as the McCall-Donnelly track and field team competed at the Boise Relays on Saturday at Mountain View High School.George Speirs set new marks in both the 1,600- and 3,200-meter races while placing among the top three in both.Matthew Daniels also snared a bronze finish in the 400, turning in another personal best mark of 49.87 seconds and delivering a coveted sub-50 (second) performance.“It was fantastic,” M-D coach Freddy Hernandez said of Saturday.With his winning leap, Vinson also matched a school record he set earlier in the season.The M-D senior again cleared 14 feet, 6 inches on Saturday to take the pole vault title at the well-regarded meet, which featured 40 schools from mostly 3A, 4A and 5A.Hernandez said Vinson’s third attempt at clearing 15 feet was also, “right there.”“I think 15 feet is definitely in the realm for him,” Hernandez said.Speirs ran his best 3,200 to date, improving a school record he has held since last season with Saturday’s time of 9 minutes, 21.85 seconds.