 Nyorai kupfuurira kweiyi ndima - Domínguez akakwikwidza pakutanga kwebasa rake pa1,500, 5,000 uye 10,000 metres. Akakwikwidza semunhu ane makore makumi maviri mumakwikwi eOlympic eZhizha ra1996, achipedza wechi9 mukutanga kwake kupisa mumutambo we1,500m. Muna 1998 Domínguez akahwina menduru yake yekutanga mumakwikwi eEuropean Championships muBudapest mumakwikwi e5,000m, achikunda menduru yebronze kumashure kwaSonia OSullivan, uyo akahwina goridhe naGabriela Szabo, uyo akatora sirivheri. Muna 2002, akakunda zviitiko izvi paEuropean indoor uye kunze kwemakwikwi, uye akakunda zita rake rechipiri rakateedzana muna 2006 mumamita zviuru zvishanu paEuropean outdoor championship achitorawo Championship Record. Anewo menduru dzesirivha kubva kuWorld Championships muna 2001uye 2003, uye akadanwa kuti Mutambi weSpanish wegore mumakore ose ari maviri. 