The largest road race in the U.S. has new twists for 2015.
The two parties sign a multi-year, first-of-its-kind deal.
There are hundreds of 10Ks in the United States, but these stand out.
The 2014 Boston Marathon champion will try to pass as many runners as he can during the 10K race on July 4.
Seven U.S. Olympians are in the July 4 Peachtree Road Race, which doubles as the national championship.
The purse for the July 4th race increases to $100,000 for this year.
Atlanta's top road races are now united.
Organizers are adding more restricted areas at the Atlanta event.
The top 100 largest-timed U.S. road races include 42 half-marathons.