There are many rumours are surrounding the general fitness of Lincoln in his life. His wrestling ability and win record in his youth are well-known. However, there are also many rumours of him displaying his strength up until his death. He was said to hold up heavy swords and axes for minutes at a time as party-tricks. Do these rumours have sources?
More can be said, but you'll probably appreciate this older answer by /u/Drdickles: