Eugene - Sunette Viljoen qualified for this year's World Athletics Championships with a season's best effort at the Prefontaine Classic in Eugene on Friday night.
Viljoen, the only South African competing at the Diamond League meeting, finished third in the women's javelin throw with a second-round heave of 63.00m - one metre further than the qualifying mark for the showpiece in Moscow in August.
German Christina Obergfoll, the Olympic silver medallist, won with a best throw of 67.70m, setting a new meeting record.
Olympic 110m hurdles finalist Lehann Fourie is the only South African in the provisional entry lists for the next Diamond League meeting in Rome, Italy, on Thursday.
Viljoen, the only South African competing at the Diamond League meeting, finished third in the women's javelin throw with a second-round heave of 63.00m - one metre further than the qualifying mark for the showpiece in Moscow in August.
German Christina Obergfoll, the Olympic silver medallist, won with a best throw of 67.70m, setting a new meeting record.
Olympic 110m hurdles finalist Lehann Fourie is the only South African in the provisional entry lists for the next Diamond League meeting in Rome, Italy, on Thursday.