Osei-Nketia, 17, took down the likes of Rohan Browning and Trae Williams to claim victory in the men's 100m at the Australian championships.
Para-athlete Lisa threw a record 14.13 metres at the Christchurch athleteic and track nationals.
The 18-year-old completed the Whanganui mile in 3:58.41 to become the youngest Kiwi ever to complete a sub-four minute mile.
India's Man Kaur has shot to stardom at the World Masters Games with her sprints. Today, she was in a new athletics discipline, having just as much fun.
Antonio Vaitohi cleaned up the Australian Athletic Champs against opponents years older than him without a coach or training track.
Walker's Olympic triumph will now be a permanent tribute to the living legend in Manurewa.
The multisport athlete fended off 12-time champion Cameron Brown to win with a time of 8:20:58 in Taupo.