AutumnOLYMPIADCOLLECTION
All medalists.
IMO & IOI, including honourable mentions.
10981–11040 of 14,178 profiles
Alphabetical
RPRonald Ping Man ChanNew ZealandIOI2008Competition recordSilver medalRPRonald Ping Man ChanNew ZealandIMO2007Competition recordBronze medalRvRonald van der VeldenNetherlandsIOI2003Competition recordSilver medalRvRonald van LuijkNetherlandsIMO1994 · 1995Competition recordBronze medalRWRonald WidjojoIndonesiaIMO2009 · 2010Competition recordBronze medal · Honourable mentionRDRon DrorNorwayIMO1993Competition recordBronze medalRLRonel LakkerIsraelIMO2020Competition recordSilver medalRGRong GeChinaIOI2004Competition recordGold medal
Roni EdwinGhanaIMO2019 · 2020 · 2021Yale UniversityMathematics PhD studentAutumn profileRKRon KaridiIsraelIMO1983Competition recordBronze medalRDRonno DasIndiaIMO2010Competition recordHonourable mentionRLRonny López TrujilloCubaIOI2001 · 2002Competition recordBronze medal · Silver medalAutumn profileRRRon RyvchinIsraelIOI2013 · 2014Competition recordBronze medalRXRon XueAustraliaIOI2025Competition recordBronze medalRERoohollah EbrahimianIslamic Republic of IranIMO1996Competition recordSilver medalRSRoope SalmiFinlandIOI2020Competition recordBronze medalRSRoope SalmiFinlandIMO2019 · 2020Competition recordBronze medal · Honourable mentionRPRoozbeh PournaderIranIOI1995 · 1996Competition recordSilver medal · Gold medalRMRory MooreIrelandIMO2022Competition recordHonourable mentionRARosangel Alexandra Bullon LinaresPeruIOI2024Competition recordHonourable mentionRDRosen Dimitrov KralevBulgariaIMO2003 · 2004 · 2005Competition recordGold medalRCRosie CatesUnited KingdomIMO2017Competition recordBronze medalRARoss AtkinsAustraliaIMO2003Competition recordBronze medalRARossen Asenov NikolovBulgariaIMO1976Competition recordBronze medalRJRoss JonesAustraliaIMO1986Competition recordBronze medalRDRostislav DevyatovRussian FederationIMO2006Competition recordGold medalRRRostislav RumenovBulgariaIOI2005 · 2006 · 2007Competition recordSilver medal · Gold medalRLRotem LissIsraelIOI2010Competition recordBronze medalRHRovshen HajyyevTurkmenistanIMO2010 · 2011Competition recordBronze medalRBRoya BeheshtiIranIOI1995Competition recordBronze medalRBRoya Beheshti ZavarehIslamic Republic of IranIMO1994Competition recordSilver medalRPRoyce PengUnited States of AmericaIMO1990Competition recordSilver medalRYRoyce YaoUnited States of AmericaIMO2026Competition recordGold medalRORuari O'SullivanUnited KingdomIOI2001Competition recordBronze medalRRRubab Redwan SyedBangladeshIOI2016 · 2017Competition recordBronze medalRARuben AndristSwitzerlandIOI2002Competition recordBronze medalRHRuben HambardzumyanArmeniaIMO2021 · 2022Competition recordBronze medal · Silver medalRMRuben Mason CarpenterSpainIMO2023Competition recordSilver medal
Rubén Ramírez PadrónCubaIOI1991HCA HealthcareLead Data ScientistAutumn profileRXRubin XuUnited KingdomIOI2006Competition recordBronze medalRRRubmary Rojas LinarezVenezuelaIMO2013Competition recordHonourable mentionRBRuby BreydoUnited States of AmericaIMO1991Competition recordBronze medalRARudi Adha PrihandokoIndonesiaIMO2007Competition recordHonourable mentionRBRüdiger BelchGerman Democratic RepublicIMO1989 · 1990Competition recordBronze medalRMRudi MrazovićCroatiaIMO2003 · 2004 · 2005Competition recordBronze medalRKRudolf KusýSlovakiaIMO2024 · 2025 · 2026Competition recordHonourable mention · Bronze medalRPRudolf PolzerGermanyIMO2000 · 2002Competition recordBronze medal · Honourable mentionRKRūdolfs KreicbergsLatviaIMO2006Competition recordBronze medalRŠRudolf ŠvarcCzechoslovakiaIMO1970Competition recordBronze medalRWRudolf WillingAustriaIMO1976Competition recordBronze medalRBRudradev BasakIndiaIMO2008Competition recordBronze medalRDRugilė DzindzalietaitėLithuaniaIMO2024 · 2025 · 2026Competition recordBronze medal · Honourable mentionRHRuhan HabibBangladeshIOI2016 · 2017Competition recordBronze medalRWRuichen WangSouth AfricaIMO2026Competition recordHonourable mentionRJRui Jorge Nunes SequeiraPortugalIMO2006Competition recordHonourable mentionRWRuilin WangUnited States of AmericaIMO2025 · 2026Competition recordGold medalRLRui Lopes Viana FilhoBrazilIMO1997 · 1998Competition recordSilver medal · Gold medalRXRuiming XiongCanadaIMO2017Competition recordBronze medalRZRuiming ZhangSwedenIMO2025Competition recordBronze medalRHRuimin HeSingaporeIMO1998Competition recordBronze medal
Roni EdwinGhanaIMO2019 · 2020 · 2021Yale UniversityMathematics PhD studentAutumn profileRKRon KaridiIsraelIMO1983Competition recordBronze medalRDRonno DasIndiaIMO2010Competition recordHonourable mentionRLRonny López TrujilloCubaIOI2001 · 2002Competition recordBronze medal · Silver medalAutumn profileRRRon RyvchinIsraelIOI2013 · 2014Competition recordBronze medalRXRon XueAustraliaIOI2025Competition recordBronze medalRERoohollah EbrahimianIslamic Republic of IranIMO1996Competition recordSilver medalRSRoope SalmiFinlandIOI2020Competition recordBronze medalRSRoope SalmiFinlandIMO2019 · 2020Competition recordBronze medal · Honourable mentionRPRoozbeh PournaderIranIOI1995 · 1996Competition recordSilver medal · Gold medalRMRory MooreIrelandIMO2022Competition recordHonourable mentionRARosangel Alexandra Bullon LinaresPeruIOI2024Competition recordHonourable mentionRDRosen Dimitrov KralevBulgariaIMO2003 · 2004 · 2005Competition recordGold medalRCRosie CatesUnited KingdomIMO2017Competition recordBronze medalRARoss AtkinsAustraliaIMO2003Competition recordBronze medalRARossen Asenov NikolovBulgariaIMO1976Competition recordBronze medalRJRoss JonesAustraliaIMO1986Competition recordBronze medalRDRostislav DevyatovRussian FederationIMO2006Competition recordGold medalRRRostislav RumenovBulgariaIOI2005 · 2006 · 2007Competition recordSilver medal · Gold medalRLRotem LissIsraelIOI2010Competition recordBronze medalRHRovshen HajyyevTurkmenistanIMO2010 · 2011Competition recordBronze medalRBRoya BeheshtiIranIOI1995Competition recordBronze medalRBRoya Beheshti ZavarehIslamic Republic of IranIMO1994Competition recordSilver medalRPRoyce PengUnited States of AmericaIMO1990Competition recordSilver medalRYRoyce YaoUnited States of AmericaIMO2026Competition recordGold medalRORuari O'SullivanUnited KingdomIOI2001Competition recordBronze medalRRRubab Redwan SyedBangladeshIOI2016 · 2017Competition recordBronze medalRARuben AndristSwitzerlandIOI2002Competition recordBronze medalRHRuben HambardzumyanArmeniaIMO2021 · 2022Competition recordBronze medal · Silver medalRMRuben Mason CarpenterSpainIMO2023Competition recordSilver medalRubén Ramírez PadrónCubaIOI1991HCA HealthcareLead Data ScientistAutumn profileRXRubin XuUnited KingdomIOI2006Competition recordBronze medalRRRubmary Rojas LinarezVenezuelaIMO2013Competition recordHonourable mentionRBRuby BreydoUnited States of AmericaIMO1991Competition recordBronze medalRARudi Adha PrihandokoIndonesiaIMO2007Competition recordHonourable mentionRBRüdiger BelchGerman Democratic RepublicIMO1989 · 1990Competition recordBronze medalRMRudi MrazovićCroatiaIMO2003 · 2004 · 2005Competition recordBronze medalRKRudolf KusýSlovakiaIMO2024 · 2025 · 2026Competition recordHonourable mention · Bronze medalRPRudolf PolzerGermanyIMO2000 · 2002Competition recordBronze medal · Honourable mentionRKRūdolfs KreicbergsLatviaIMO2006Competition recordBronze medalRŠRudolf ŠvarcCzechoslovakiaIMO1970Competition recordBronze medalRWRudolf WillingAustriaIMO1976Competition recordBronze medalRBRudradev BasakIndiaIMO2008Competition recordBronze medalRDRugilė DzindzalietaitėLithuaniaIMO2024 · 2025 · 2026Competition recordBronze medal · Honourable mentionRHRuhan HabibBangladeshIOI2016 · 2017Competition recordBronze medalRWRuichen WangSouth AfricaIMO2026Competition recordHonourable mentionRJRui Jorge Nunes SequeiraPortugalIMO2006Competition recordHonourable mentionRWRuilin WangUnited States of AmericaIMO2025 · 2026Competition recordGold medalRLRui Lopes Viana FilhoBrazilIMO1997 · 1998Competition recordSilver medal · Gold medalRXRuiming XiongCanadaIMO2017Competition recordBronze medalRZRuiming ZhangSwedenIMO2025Competition recordBronze medalRHRuimin HeSingaporeIMO1998Competition recordBronze medal