The Pirelli World Challenge kicked off the 2015 season at Circuit of The Americas for the first race in their 26th season. R.Ferri Motorsport’s driver won the race with a thrilling pass on the final lap of the race in the #61 Ferrari 458 Italia GT3.

Rain falling over Circuit of The Americas throughout the day didn’t stop the on-track action at the MotoGP Red Bull Grand Prix of The Americas. Despite the wet track, top speeds in this morning’s practice sessions still topped 200 mph. Marc Marquez took first place in a thrilling race on Sunday, confirming the Spanish current World Champion as the true MotoGP King of COTA, having taken victory in all three MotoGP races in Austin. Motorcycle racing legend Kevin Schwantz, COTA’s official two-wheel ambassador, got up-close-and personal with fans all weekend, leading a motorcycle parade lap and taking part in multiple fan events throughout the weekend.

X Games Austin returned to Circuit of The Americas for the second year in a row. Over 160,000 fans attended over 4 days making it the most attended X Games since 2004. The event took over The Circuit and debuted three new events including Moto X Flat Track, Moto X Quarter Pipe and Big Double Airs. In addition to the premier sports competitions, fans were able to enjoy the X Games Music Presents Series with performances from world famous artists such as Nicki Minaj, Metallica and The Glitch Mob.

For 42 years running, American icon and Austin’s own Willie Nelson got together some of the biggest names in music to celebrate Independence Day Willie-style. Willie’s 4th of July Picnics have become a legendary Texas summer tradition, and this year the party came to COTA with over 20 top tier country artists across two stages. Circuit of The Americas became the setting for the biggest Independence Day celebration in all of Texas.

Student teams from around the world will race solar-powered electric vehicles that they designed and built, on the first purpose-built Formula 1 racetrack in the United States. Fourteen teams registered for this year’s event, representing colleges and universities from the world, however, only one team was able to complete 70 laps in a day. Iowa State’s Team PrISum was the only team to successfully complete over 200 laps throughout the weekend. On the first day the team completed 76 laps in 8 hours, then 70 laps on day 2 and finished off with 77 laps. Team PrISUm completed 233 laps in just 24 hours of racing around Circuit of The Americas.

Defending Formula One World Drivers’ Champion Lewis Hamilton, crossed the finish line 2.8 seconds ahead of MERCEDES AMG PATRONUS teammate Nico Rosberg this afternoon to win both the 2015 United States Grand Prix and the 2015 World Drivers’ Championship at Circuit of The Americas on Sunday – his third world title. Many expected the rain and wet track to take its toll on drivers and cars. While there certainly was a good deal of attrition during the race, with two virtual yellows and two safety-car yellows, the rain was not primarily to blame. Two cars crashed, but six others failed to finish, mostly due to mechanical problems. Felipe Massa and Valtteri Bottas were both forced out with technical problem. Unfortunately for Williams, this was the team’s first double DNF since 2012 in Brazil. Lotus’s Romain Grosjean and Marussia’s Will Stevens completed the list of driver who retired early.