Keely Hodgkinson sets new personal best on Diamond League 400m debut in perfect preparation for record tilt

Keely Hodgkinson made her Diamond League 400m debut and set a new personal best in the event, using the shorter distance as speed training ahead of her main goals this summer. The British middle-distance runner is targeting the 800m world record and is incorporating 400m work into her preparation to build the pace required for a record attempt. No specific time or location was mentioned in the excerpt, but the performance was described as part of a deliberate training strategy.