Wardian raced 52.4 miles on Sunday at an average pace of 6:15 per mile.
The Russian was confident she was the fastest runner going into the race.
Exciting finishes highlight an epic night of running on The Strip.
The 39-year old successfully completed the first half of an epic marathon double.
Huddle and Flanagan notched the two fastest 12K road running performances in history.
Braun missed Steve Spence's 12K American record by 2 seconds.
The newly minted marathoner is ready to mix it up against a stacked men's field.
Shalane Flanagan, Molly Huddle and Emily Infeld will lead the way in the inaugural event.
The 41-year-old Vegas resident is doubling up on Sunday.