31 May 2014 Last updated at 23:08

Diamond League: James and Merritt in thrilling 400m photo finish

Olympic champion Kirani James and world champion LaShawn Merritt go head-to-head in a thrilling 400 metre race at the Diamond League meet in Eugene.

James beats Merritt in a photo finish, but both runners set the same time, which is fastest this year in the men's distance at 43.97 seconds.

Available to UK users only.