Sport pays tribute to Robin Williams

Robin Williams actively participated in the San Diego Triathlon Challenge as part of the Challenged Athletes Foundation relay team. AP Photo/Rich Cruse

With the news of Robin Williams' death on Monday, a worldwide outpouring of tributes, memories and mourning followed. The sports world was not immune.

The Oscar-winning actor and comedian was no stranger to the sports stage, from his early days as a high school cross country runner to his love for cycling to his support of local and national charities.

Here is a look at how many athletes and organizations reacted to Monday's tragic news:

The early days

Williams' connection to sports began early. He ran cross country at Redwood High School and, according to Runner's World, Williams ran a 1:58.8 800 meters in 1969. He also ran in the historic Dipsea Race in 1984, finishing 232nd of 1,375 runners. The cross country trail race is the oldest in America; it was first run in 1905.

"Besides the hills, the stairs and the downhill, it wasn't bad," Williams told the Marin Independent Journal after the event.

His movies and sports references

There are many passing sports references in Williams' films -- playing stickball and making the hilarious "three up/three down" retort in "Good Morning, Vietnam," playing soccer in full "Mrs. Doubtfire" attire, using the Miami Dolphins as a conversational point of reference for the average straight man in "The Birdcage" -- but there were a few more memorable ones:

From "The Best of Times": "I've simply been known as, The Man Who Dropped The Ball."

From "Good Will Hunting": "Oct. 21, 1975 ... Game 6 of the World Series ... Biggest game in Red Sox history." (FYI, some language NSFW.)

From "Dead Poets Society": "To me, sport is actually a chance for us to have other human beings push us to excel."

Life on the road

Williams was an avid cyclist, often popping up at the Tour de France and Tour of California. Many of the sport's biggest names paid tribute Monday:

Williams showed strong support for Armstrong in the 2000s, but didn't officially comment on the cyclist after he admitted to doping.

Cavendish was introduced to Williams (we don't know if this was their initial meeting) in this clip from the 2010 Tour of California. At the 37-second mark, Williams pretends to be a fan, heckling George Hincapie in multiple languages (H/T to VeloNews):

Before all the doping dominoes started falling, Williams accepted this 2003 ESPYS Award on Lance Armstrong's behalf:

Talkin' baseball

Major League Baseball made its own tribute to Williams:

Especially in San Francisco:

"Gooood evening, San Francisco!"

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A "linguistic exercise"

This golf clip, which is soooo NSFW, is a classic.

Sports, and what mattered most

A constant thread among the tributes and reaction to Williams' death: his unwavering generosity to others. One group he frequently supported was Andre Agassi's annual "Grand Slam for Kids" concert, which raised money for the tennis star's charter school and the Boys & Girls Club of Las Vegas.

Agassi released these statements on Facebook and Twitter on Monday:

Another was the San Diego-based Challenged Athletes Foundation. For the past 11 years, Williams participated in the annual San Diego Triathlon Challenge as part of the CAF's relay team. The group also paid tribute to the actor Monday:

Learn more about Williams' work with the foundation here.

And finally ...

"I want you to go out there and win this one for the Zipper!"