The nation's best will be competing at the USA Track & Field Masters Championships at Grand Valley State University in Allendale from July 14 - 17.

Forty current world champions and approximately 100 defending US champions are among 1018 athletes who will take part in 2560 events, including 104 participants from Michigan in 187 events and many Grand Rapids-area stars.

World and US records are expected in age groups from 35 to 95+ years old with athletes as old as 99.

Hundreds of US athletes, including many who won or medaled at last year's world championships in France, are taking part at Grand Valley before competing on the US team at the World Masters Championships in Australia in October.

Events begin at 8AM to late afternoon Thursday through Sunday.