There is actually a new Half-Life speedrun being done, the current estimate is sub-22 minutes. https://docs.google.com/spreadsheet/ccc?key=0AivfAnPipM1cdEVrY2Ni

There is actually a new Half-Life speedrun being done, the current estimate is sub-22 minutes. https://docs.google.com/spreadsheet/ccc?key=0AivfAnPipM1cdEVrY2NiRVpmdVJqREQ3ZHd1TDAyc1E https://docs.google.com/spreadsheet/ccc?key=0AivfAnPipM1cdEV...