Monteiro made her marathon debut in 2008 and finished fifth at the Rotterdam Marathon. She is the most successful athlete at the Cidade de Ovar Half Marathon, having won the competition six times.Cidade de Ovar Half Marathon. Association of Road Running Statisticians (2008-11-14). Retrieved on 2009-11-22. She represents Maratona Clube de Portugal in club competitions.Inês Monteiro venceu Corta-Mato Nacional . A Guarda (2009-03-17). Retrieved on 2009-11-22.
