AMA officials have revised the Saturday schedule at Road Atlanta to deal with water seeping up through the track surface following heavy overnight rain and the threat of more rain in the afternoon. Officials spray-painted white rectangular boxes around the worst areas of seepage coming down the hill toward treacherous Turn 12. Practice and qualifying sessions for Supersport and Superstock have been combined and the Saturday qualifying session for Superbike has been canceled. The new schedule follows: 11:10-11:35 a.m., Superstock Practice/Qualifying 11:40 a.m.-12:05 p.m., Supersport Practice/Qualifying 12:10-12:35 p.m., Superbike Practice 12:40-1:05 p.m., Formula Xtreme Practice 1:05-1:30 p.m., break 1:50 p.m., Superbike Race 3:00 p.m., Formula Xtreme race