Aaron Braun leads the American charge.
Running USA reports about a trio of top competitors who will be racing in the Great GO! St. Louis Halloween Race.
The American will run two 10Ks in under three days this week.
American Aaron Braun hopes to stay on top of the Distance Medley leaderboard.
Deena Kastor placed fourth overall.
Aaron Braun and Mattie Suver blaze the 13.1-mile course.
He's clocked 62 minutes for the distance.
Delilah DiCrescenzo won the women's division.
A mind-blowing elite field is set for the second annual event.
The top-3 finishers all broke Meb Keflezighi's 8-year-old Olympic Trials record.