The Masters 4×100 races take the track. Southwest Sprinters TC wins the 40+ race in 43.90. Sprint Force America holds off Houston Elite to win the 50+ section, 46.12-46.16. And in the 60+ heat Mass Velocity TC (bib C at right) wins in 51.37. Sprint Force America (bib E), fielding a team of 70+ runners, finished second in 51.96, a world record in that age division.