So he started at 9:30 a.m. three hours and ten minutes later 9+3 is 12 30 + 10 is 40 12:40 p.m. it took him 47 minutes to replace so 12:40 plus 47 minutes is 1:27 p.m. He then rode for another 56 minutes to finish the race so 1:27 plus 56 minutes 2:23 p.m.