Thomas Barr will be in action in London this afternoon.
The Ferrybank AC athlete is a late entry in the 400 metres hurdles at the Diamond League meeting.
He'll be facing three competitors from the 2016 Olympic final: Olympic Champion Kerron Clement, bronze medalist Yasmani Copello and Rasmus Mägi who finished 6th.
Also in the field is Norway's Karsten Warholm who is the fastest man in the world this year. He set a time of 47.81 in Stockholm last month.
The race is timed for 3.25pm and Thomas Barr will race from lane 8.