The race will be broadcast live Sunday at carlsbad5000.com/live.
The American and world championships medalist hopes to make some noise at the Carlsbad 5000.
The two have finished close together in several races in recent years.
Changes are afoot for the thousands of legs set to tackle the World's Fastest 5K.
The 10-time global medalist will make his debut at the "World's Fastest 5K" at the end of March.
She will square off against rival Sheri Piers.
Geleta Burka wins a tight women's race in 15:26.
Check out these photos of the winners from the World's Fastest 5K!