30 Weird Rules Marathon Runners Have to Follow

According to the rules for the Boston Marathon, foul language is not to be used at the race.

A seasoned marathon runner is likely not going to have a shot while competing, but it's still among the rules.

Protect your bib at all costs. There's no cutting, folding, or bending of it allowed.

Not all races ban headphones, but the Boston Marathon does require that any racer competing for a cash prize forgo music while running.

While yes, there are costume-themed races, marathons like those sponsored by Abbott World Marathon Majors, don't want to see you in your t-rex costume.

For those who love running with their kids, you'll need to seek out a special marathon. Strollers aren't allowed at many major races like the Boston and New York marathons.

This probably isn't surprising, but don't bring fireworks to a race for cheering or celebratory purposes.

While this rule may be harder to enforce for spectators, alcohol isn't allowed for anyone at New York City Marathon race venues.

According to rules for the New York City Marathon, clothes should be form fitting and not bulky.

Unfortunately, your favorite social media tool, the selfie stick, is a no-go while you're running.

Look, a marathon lasts a long time, but rules and rules. There's no public urination allowed.

Yes, this is a rule. You're allowed to spit or snot while running, but the New York City Marathon says you have to watch out for your fellow runners while doing it.

While certain tools are allowed—like hydration belts—other races, like Atlanta's Peachtree Road Race, say no to devices like Camelbaks.

While some races will allow service animals, running with your pet is typically a no-go.

It's a simple rule, but one that's important. Be on time to the start of your race, or you're out.

Under no circumstances can someone else wear your number. It'll get you disqualified and potentially banned from future races.

Races have professional photographers and videographers snapping photos and videos throughout a race. Most runners are asked to allow their images to be taken and used in order to compete.

If you're running the Chicago Marathon, don't bring your drone. Aerial devices are against the rules.

Intentionally blocking someone from passing you is a faux pas, and you can be disqualified for it.

According to the rules of the Chicago Marathon, a runner must maintain an approximate 15-minute mile in order to finish the course in time.

At the Chicago Marathon, if you leave the course, you're out of the race and can't re-enter.

Okay, fine, it's not the weirdest rule, but just like other sports, performance enhancing drugs aren't allowed.

Yes, this is mentioned in the rules. If you win prize money, you're required to pay taxes on it.

Surprise! You can inline skate at the Berlin Marathon.

You can't run a marathon for an unlimited amount of time. Many cap their race times around the six or seven hour mark.

When races offer energy gels or other food and drink, there's usually a strict no littering policy.

Yes, there's a rule about the rules.

Rules about refunds can vary, but in general, once you sign up and pay, your cash is locked in.

Your number is your identifier for time keeping, and it can never be hidden.

Suddenly stopping in the center of the course for a non-emergency is not allowed. Always try to move aside for other runners.