EntityQ762977· pop 11· linked from 156 articlesMarcus O'SullivanSign in to saveIrish middle-distance runnerConnectionsWorld AthleticsEntityWorld Athletics Indoor ChampionshipsEntity1500 metresEntityJohn WalkerEntity1985 European Athletics Indoor ChampionshipsEntitySteve ScottEntityUSA Track & FieldEntityRepublic of IrelandCountryOlympic GamesConceptathleticsEntityrunningEntitySummer Olympic GamesConceptIrish peopleEntity1988 Summer OlympicsEntityHaile GebrselassieEntityMadison Square GardenEntityHicham El GuerroujEntityRaidió Teilifís ÉireannEntityJakob Asserson IngebrigtsenEntity800 metresEntityCategories1961 births20th-century Irish sportsmenAthletes from County CorkAthletes from the Republic of IrelandAthletes (track and field) at the 1984 Summer OlympicsAthletes (track and field) at the 1988 Summer OlympicsAthletes (track and field) at the 1992 Summer OlympicsAthletes (track and field) at the 1996 Summer OlympicsCompetitors at the 1990 Goodwill GamesGoodwill Games medalists in athleticsIrish men middle-distance runners