Whakaotihia te rerenga e whai ake nei: I tīmata ia i tana mahi i te kura tuatahi o Kitopen. I mutu ia i te tuarua i nga whakataetae whakawhiti whenua o Kenya i te tau 1991 i muri i a Tegla Loroupe. I kōwhiria a Chepngeno ki te whakataetae i te
1991 IAAF World Cross Country Championships i Antwerp, Belgium, engari i mutu i te 46th anake.