Nyorai mberi kweiyi ndima - Sergent akawana zita rake rokutanga renyika pa1987 IAAF World Cross Country Championships
, vachikunda Liz Lynch nemasekonzi maviri. Akatungamirirawo vakadzi veFrance kune wechipiri mumutambo weboka reUnited States (inotungamirirwa naLynn Jennings). Kutanga kwake pa 1987 World Championships muAthletics kwakatevera uye akapotsa asvika kumagumo, achipedza wechisere muchikwata chake. Akatanga mwaka wa1988 nekukunda pamusangano weCinque Mulini cross country uye mujaho weFrench Championship. PaWorld Cross Championships muAuckland akakundikana kuchengetedza zita rake asi akahwina menduru yegore rechitatu akateedzana, achitora menduru dzebronze dzega uye dzechikwata munhangemutange refu. Panhandare, akaisa zvinyorwa zvemunyika mumamita 3000 uye 10,000. Akanga ari wokupedzisira mumitambo miviri pa 1988 Seoul Olympics, achipedza 12th uye 19th zvichiteerana. Gore iroro akawana nzvimbo yechipiri pamakumi mashanu emamita pamakwikwi ekupedzisira eIAAF Grand Prix, achipedzisa semumhanyi wechipiri kuna Liz McColgan wekuBritain.