USA Championship racing start at 7:53 p.m. (women) and 8:03 (men). Live web-casting of the races begins at 7:45.pm HERE.
The event kicks off at 6:50 p.m. with the TC 1 Mile "Friends & Family" wave and builds up to the championships with corporate, masters, Team Circuit, and open waves.
Weather forecasts suggest cloudy skies with a 30% chance of showers at race-time, with temperatures about 60 degrees.
Find a startlist for the USA Championship races HERE, but note that Morgan Uceny and Garrett Heath are late scratches.
Follow that latest from the event via your editor's Twitter feed @cmahler22 or with the hash-tag #tc1mile. (This afternoon we posted some media luncheon tidbits from the likes of David Torrence, Ryan and Sara Hall, and Gabriele Anderson.)
DtB will have full coverage of the race on Friday morning.