The World Athletics Relays, an event crowning champions in 4x100m and 4x400m events, airs live this Saturday and Sunday on Peacock and CNBC. Coverage begins each day at 7 a.m. ET from Guangzhou, China ...

London hopes to host the 2029 World Athletics Championships, UK Sport, the Mayor of London and Athletic Ventures announced on Sunday ahead of the 45th running of the London Marathon.