Career
He competed at the 1896 Summer Olympics in Athens. Paine entered all three of the pistol events at the 1896 Games, but actually competed in only one. Both of the Paines used Colt revolvers, firearms that were far superior to those used by their opponents in the military pistol match.
Sumner was not far behind, at 380 points on 23 hits.
The third place finisher, the Greek Nikolaos Morakis, scored only 205 points. Paine then withdrew from the free pistol event, citing his desire to not embarrass his Greek hosts.