Josh Kerr, 28, ran the fastest mile in history in London, clocking 3:42.66. He broke Hicham El Guerrouj's 27-year-old record by 0.47 seconds.

Kerr criticized the $50,000 world record bonus, calling it 'a ridiculous number.' Adjusted for inflation, El Guerrouj's 1999 bonus would be worth $99,000 today. Read more culture coverage.

The bonus disparity highlights differences in rewards for world records set at various meets. Kerr previously questioned his $40,000 win bonus for the 2024 World Indoor Championships. Related: Josh Kerr Breaks 27-Year Mile Record at London Diamond League.

This original Runner World brief is based on reporting from Marathon Handbook. Visit the source for its complete reporting, context and any later corrections.