Nuta Olaru was the women's winner and also a reigning champ.
Shanna Ailes Istnick was the women's winner.
Running celebrities such as Bill Rodgers will turn out for the celebration.
Americans Mike Wardian and Andrew Henshaw are expected to challenge him.
Shanna Ailes-Istnick placed first in the women's race.
Fifty-two-year-old Elena Shemyakina took the women's title.
He initially took up running to lose weight.
Mike Wardian and Andrew Henshaw earn silver and bronze medals at the 25th edition
He shaved seven minutes off the old course record.