Overview

• The Texas high school junior signed Monday to begin his professional career with Nike, ending his high school eligibility, and terms were not disclosed.
• His 1:42.27 runner-up finish at the USATF Championships set a world under-18 record and secured his place for Tokyo.
• He is the youngest athlete on the U.S. roster for the World Championships.
• Agent Ray Flynn and his family are mapping his race calendar, with the 800 final scheduled four days after the Sept. 16 start.
• U.S. teammates in the 800 will be champion Donavan Brazier and third-place finisher Bryce Hoppel.