Jack Tenold isn't sure if he'll be able to make it to the starting line for the 50th Bloomsday, but he knows he's finishing his 49th, oxygen concentrator and batteries on his back, family by his side.

A little after 2 p.m., having been on his feet for 5 hours, Jack Tenold finally crossed the Bloomsday finish line, his wife Tana and their daughter’s family by his side.