August 28, 2015
Jo Jackson has set a world record in the 400-meter freestyle at the British swimming championships.
The Olympic bronze medalist finished in 4 minutes, 0.66 seconds
Monday, lowering Federica Pellegrini's mark by almost a second.
Two-time Olympic champion Rebecca Adlington finished second,
also under the old mark, touching in 4:00.89.
Copyright 2015 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.