The pair were competing for Cloud County Community College at the University of Nebraska, Lincoln.
Wanga set a PNG indoor national record in the 400m on Saturday with a time of 48.67 seconds, eclipsing the time of 48.79 recorded by Wala Gime on a similar track in 2012. He continued his great form on Sunday with a 1min 20.81 seconds, clocking in the 600m and a 47.93 seconds final leg in the 4x400m relay.
Meanwhile Beu improved on her own national record in the 600m with a time of 1min 35.69 secs following a solid season opener of 57.77 secs in the 400m.
