This fall, San Franciscans will be able to get high while getting swole. A new gym called Power Plant Fitness will allow members to consume marijuana on-site while working out.

I want to run 100 miles! Am I high? Yes, I am high and I’m signed up for the Zion 100 mile ultra-marathon for April 2017.

Professional and retired mainstream athletes are already using forms of cannabis and cannabidiol (CBD) for acute and long-term pain management.

The event is the brainchild of Jim McAlpine who came up with the idea more than two years ago as a way to "de-stigmatize the millions who use cannabis in a healthy and responsible lifestyle."

We in the American marijuana community lit up with sly smiles when Michael Phelps was selected to carry our United States flag at the opening ceremonies of the Rio Olympics.

There has been emerging evidence that cannabis reduces pain, muscle spasms, stiffness, and inflammation in humans.

While the idea of adding cannabis to your workout routine still seems somewhat counter-intuitive, it's gradually gaining acceptance.

Smoking anything before hitting the gym might seem like a bad choice, but a new California gym is betting on marijuana as a performance enhancer for its members.

Are athletes who tout marijuana’s performance-enhancing effects onto something – or just on something?

For years, cannabis use has been the worst kept secret in athletics.

If the Cowboys owner gets his way, we could see fewer player suspensions.

Apart from the reality that it’s the right thing to do, it’s the smart thing to do for the business of the NFL.

Franco Harris is joining to movement for medical marijuana. While the Steelers legend is in good physical and mental health after a lengthy football career, he openly approves marijuana use for the days he doesn't feel so great and has become a strong advocate for current players to use the plant for medicine.

Ricky Williams doesn't shy away from his support for marijuana. He used the drug as a means of recovery from the pounding he took over his 10-year NFL career, which included two seasons (2002 and 2003) leading the league in rush attempts with a combined 775 carries.

FORT WORTH - Former Chicago Bears quarterback Jim McMahon smoked marijuana long before the drug was legalized. “[Former Bears coach] Mike Ditka would say, ‘Oh, all you guys, you pot smokers,’ That’s what he’d call us. ‘You pot smokers.’ ” McMahon said Sunday.

HOUSTON (NEXSTAR MEDIA) — Marijuana is currently on the list of substances banned by the NFL but several former players are hoping to change that.

Cannabis is beloved among some of the greatest athletes on the globe. The most decorated gold medalist to ever walk the earth, Michael Phelps, has partaken in the past.

Cannabis is quickly becoming a popular supplement for athletes, and it can help you, too.

The NFL continues an authoritarian stance on marijuana use while team doctors still dole out powerful and addictive painkillers.

(CNN) The NFL and the NFL Players Association have a staunch policy prohibiting marijuana use, but some players are asking them to reconsider it, saying pot can be used for pain relief, and possibly as concussion prevention.

How the retired QB is trying to save the NFL with medical marijuana.

In Major League Baseball, the family-friendly American sport, no one smokes weed. Allegedly. Wink. Nudge.

Marketing cannabis through celebrity and pro athlete endorsements is a relatively new and unstudied concept.

Thanks to winter-sports entrepreneur Jim McAlpine, weed jocks now have their own national series of events, the 420 Games.

PHILADELPHIA -- The conversation about marijuana's place in the NFL is heating up.

Former NY Giants defensive lineman Leonard Marshall has partnered with a New Jersey pharmacy to market medical marijuana.

Many NFL players are finding that marijuana offers a safer alternative to pain management than anti-inflammatory medication and are beginning to push for the NFL and the NFL Players Association to reconsider the substance abuse rules that the two sides negotiated.

Leaders of the NFL Players Association are preparing a proposal that would amend the sport’s drug policies to take a “less punitive” approach to dealing with recreational marijuana use by players, according to the union’s executive director, DeMaurice Smith.

As society continues to wrestle with the acceptability, or not, of marijuana, the NFL and NFL Players Association try to strike a proper balance regarding the permissibility of the substance.

Retired NFL players use opioids at four times the rate of the general population, according to one study, and marijuana advocates say there’s a safer, healthier alternative available.

The idea that Ross Rebagliati’s gold medal -- the first Olympic medal to be awarded in the history of snowboarding -- should end up on display at a cannabis dispensary owned by Rebagliati himself, is astonishing, ironic, and entirely fitting.

"I had back surgery, and the year I was off, I was smoking marijuana during that period of time," New York Knicks president said.

Some people stretch before they workout. Others smoke a joint.

Prior to the start of the 2016-17 season, Rutgers instituted a new drug testing policy that calls for varying punitive and rehabilitative measures for athletes who test positive for performance-enhancing drugs but has reduced penalties for marijuana use.

Some of the biggest stars are big advocates.

When it comes to dealing with illegal substances like marijuana, the National Hockey League is much more lenient than the other Big Four sports.

Sure, you've got a great fitness routine that's doing wonders for you. But have you ever tried working out while high?

There is a growing community of athletes that believe cannabis can improve athletic performance.

The District recently marked the first anniversary of its legalization of recreational marijuana. And as the city is home to so many fitness-minded people, it’s likely that at least a few of them are wondering whether it makes sense, or whether it’s even safe, to incorporate pot into their exercise regimens.

It’s been a landmark year for medical marijuana in football.

What’s happening in the NFL is an example of what your weed-loving friends have always told you.