In the process, the-22-year-old World and European Champion over 400m hurdles, Warholm, defeated 3-time World Indoor Champion Pavel Maslak of the Czech Republic, who finished in a distant second place in 47.10 seconds.
"Fantastic to record both records. That means I'm in good shape. It's extraordinary to win at home," Warholm said after the race against NRK.
Some 400 spectators were present at "Karsten Warholm International".
Men's 400m results (Karsten Warholm International 2019)
1 | Karsten Warholm | NOR | 45,56 | |||||
2 | Pavel Maslak | CZE | 47,10 | |||||
3 | Patrik Sorm | CZE | 47,59 | |||||
4 | Andreas Kramer | SWE | 47,75 | |||||
5 | Fredrik Øvereng | NOR | 49,51 | |||||
6 | Joachim Sandberg | NOR | 50,21 |