Watch the latest Preview Show videos delivered by Fed Ex Racing
Hear from all the top finishers from Saturday's American Ethanol 200 from Iowa Speedway.
See the schedule for when NASCAR's national series will kick off in 2015 RELATED: Buy tickets for the Daytona 500 " Buy tickets for other Daytona events Daytona International Speedway released start times Friday for its 2015 Speedweeks slate of events, including a 1 p.m. ET start for the sixth straight year for the 57th running of the crown jewel Daytona 500 on Feb. 22. The start times include no major deviations from the 2014 schedule at the 2.5-mile Florida track. The most significant change is a move for the NASCAR XFINITY Series season opener to 3:30 p.m. ET; last year's first event was scheduled for a 1:15 p.m. ET start. All events will be televised on the FOX family of networks. RELATED: Video preview of 2015 season IMSA TUDOR United SportsCar Championship schedule will get underway Jan. 24 at 2:10 p.m. ET with the 53rd Rolex 24 endurance race (FOX Sports, IMSA.com), the kickoff event for Budweiser Speedweeks. NASCAR racing activity is scheduled to begin Saturday, Feb. 14 with the annual Sprint Unlimited non-points event for the Sprint Cup Series, starting at 8:15 p.m. ET (FOX). The field for the Daytona 500 will be set through Coors Light Pole Qualifying on Sunday, Feb. 15 (1:30 p.m. ET, FOX) and the Budweiser Duel at Daytona qualifying races Thursday (7 p.m. ET, FOX Sports 1). This year, pole qualifying will adopt the knockout-style, group format that was used at every Sprint Cup race except the Daytona 500 last season. The two 150-mile qualifiers will be run at night for the second consecutive year. The season-opening events for all three NASCAR national series kick off Friday night with the Camping World Truck Series' NextEra Energy Resources 250 (7 p.m. ET, FOX Sports 1), continue with Saturday's debut of the newly named XFINITY Series and its Alert Today Florida 300 (3:30 p.m. ET, FOX Sports 1) and culminating with Sunday's main event, the Daytona 500 (1 p.m. ET, FOX). Speedweeks will also offer fans a preview of portions of the Daytona Rising project, with 40,000 new seats available on the track's west side along the short chute to Turn 1. Start times for 2015 Speedweeks events at Daytona (all times Eastern) Saturday-Sunday, Jan. 24-25 -- IMSA TUDOR United SportsCar Championship, Rolex 24 At Daytona, 2:10 p.m. (FOX Sports and IMSA.com) Saturday, Feb. 14 -- ARCA Racing Series, Lucas Oil 200 Presented By American Real MAV TV, 4:15 p.m. (FOX Sports 1); NASCAR Sprint Cup Series, The Sprint Unlimited , 8:15 p.m. (FOX) Sunday, Feb. 15 -- NASCAR Sprint Cup Series, Daytona 500 Coors Light Pole Qualifying Presented By Kroger, 1:30 p.m. (FOX) Thursday, Feb. 19 -- NASCAR Sprint Cup Series, Budweiser Duel At Daytona, 7 p.m. (FOX Sports 1) Friday, Feb. 20 -- NASCAR Camping World Truck Series, NextEra Energy Resources 250 , 7:30 p.m. (FOX Sports 1) Saturday, Feb. 21 -- NASCAR XFINITY Series, Alert Today Florida 300, 3:30 p.m. (FOX Sports 1) Sunday, Feb. 22 -- NASCAR Sprint Cup Series, Daytona 500 , 1 p.m. ET (FOX). FULL SERIES COVERAGE • Latest news • Standings • Schedule