He will be posting to his editor real-time via Twitter.
He is doing it to honor a slain soldier.
He did it at 67 years of age.
He ran 143 back-to-back marathons on one leg to raise money for cancer research.
She hadn't run her first marathon until she was 86.
He hopes to break the bomb-disposal-gear marathon world record.
It was anything but easy for the former sumo champion.
He's a sumo champion and trains every day.
It was his second attempt to run 365 marathons in 365 days.