BMX legend Dave Mirra was found dead of an apparent suicide on Thursday, and celebs and sports stars took to social media to remember the 41-year-old sports icon.
"Goodbye Dave Mirra, a true pioneer, icon and legend," wrote skateboarder Tony Hawk, who is tied with Mirra and Joe Parsons as the fastest athletes to win 14 medals at ESPN's X Games. "Thank you for the memories... we are heartbroken."
Goodbye Dave Mirra, a true pioneer, icon and legend. Thank you for the memories... we are heartbroken. pic.twitter.com/RHpTe7Qzwi— Tony Hawk (@tonyhawk) February 5, 2016
"I'm in complete shock," wrote motocross star Carey Hart on Twitter. "Angry, heart broken and just sad at the passing of my friend Dave. Heart broken 4 his daughters and wife. #DaveMirra."
I'm in complete shock. Angry, heart broken and just sad at the passing of my friend Dave. Heart broken 4 his daughters and wife. #DaveMirra— Carey Hart (@hartluck) February 5, 2016
"Rest in Peace Dave Mirra," tweeted fellow BMX rider Brian Kachinsky. "Thank you for pushing the boundaries of what was possible. You are a legend."
Rest in Peace Dave Mirra. Thank you for pushing the boundaries of what was possible. You are a legend.— Brian Kachinsky (@bkachinsky) February 5, 2016
Mirra also hosted MTV's The Challenge for two seasons from 2004-05, and co-host Mark Long opened up about the BMX rider's death in a statement to ET.
"Dave was an early fixture on the MTV Challenge franchise," Long said. "He was one of the first extreme sports figures to make the jump from competing to hosting. He was a mild mannered man on set that always seemed to be focused on doing a great job. He will be dearly missed within the MTV family."
"My thoughts and prayers are with the family of Dave," Challenge alum Kenny Santucci said in a statement to ET. "His courage and passion in everything he did will always be remembered. May he rest in peace."
"Dave Mirra lived his life doing the impossible, and that's how I will always remember him," added franchise vet Camila Nakagawa, who didn't participate in either of Mirra's seasons. "RIP to a true legend and pioneer."
Other celebs expressed their disbelief at Mirra's death on Twitter.
RIP Dave Mirra... Damn— Miles Teller (@Miles_Teller) February 5, 2016
R.I.P. Dave Mirra. So sad.— Joshua Malina (@JoshMalina) February 5, 2016
Damn...RIP Dave Mirra...— Lupe Fiasco (@LupeFiasco) February 5, 2016
Dave Mirra? Man... RIP. We're losing too many. xxx— Devonté Hynes (@devhynes) February 5, 2016
RIP Dave Mirra put Greenville on the map— Andre Brown (@drebrown35) February 5, 2016