summer olympics african island nation competed summer olympic games london united_kingdom july august nation fifth appearance olympics debut track field athletes selected team places having qualified sporting event selected flag bearer opening closing ceremonies athletes progressed round respective events background participated summer olympic games debut summer olympics atlanta summer olympics london highest number athletes participating summer games games beijing china athlete won medal olympics track field athletes selected compete london games men women athletics male athlete representing london olympics previously competed olympic games competed men metres race august competing athletes heat finished race seconds personal best finishing seven placed directly ahead seconds heat led seconds athlete placed athletes advance later rounds competed behalf london olympic games women metre affiliated sports organizations portugal years old time competition london olympics previously competed olympic games competed seven athletes second heat august finished race seconds finishing finishing athletes ranked seconds heat led austria seconds belgium seconds finishing athletes placed 42nd advance later rounds ranks given track events athlete heat qualified round qualified round fastest loser field events position achieving qualifying target national record round applicable event bye athlete required compete round
São Tomé and Príncipe at the 2012 Summer Olympics