Oct. 12, 2014, 11 a.m. (ET)

Tatyana McFadden won her fifth Chicago Marathon on Oct. 12, 2014
Tatyana McFadden won her fourth consecutive Chicago Marathon on Oct. 12, 2014.

Josh George won his fourth Chicago Marathon men's wheelchair title in 1:32:12 on Sunday while training mate Tatyana McFadden won her fifth women's wheelchair crown, and fourth consecutive, in 1:44:50. Both are 2004, 2008 and 2012 U.S. Paralympians in track and field, while McFadden also competed in 2014 as a cross-country skier. 

With the 2014 New York City Marathon next month, McFadden is en route to her second consecutive marathon grand slam, with victories in the 2014 Boston, London and Chicago races already to her credit. She led from the fourth mile on Sunday.

"I'm feeling on top of the world right now," McFadden told NBC Chicago. "That race made me really, really nervous. I really took off around Mile 4, and that was really gutsy."

McFadden also won a silver medal at the Sochi 2014 Paralympic Winter Games.

"This is the biggest pack that we've ever had in Chicago," George told NBC Chicago after the race. "I didn't know what was going to go on."

"You don't want to look back to see where anyone is," he said. "You just want to put your head down and hope nobody passes you."