Race day is meant to be a celebration. There are finish-line photos, cheering spectators, costumes, signs, medals, personal records, first finishes, and plenty of moments worth celebrating.

We love that energy.

But there’s one part of race-day etiquette that’s easy to overlook: what gets left behind after the runners go home.

From a tiny piece of metallic confetti to a discarded gel wrapper, what seems insignificant in the moment can become litter along a trail, in a park, beside a neighborhood street, or even in a nearby lake or river.

At Run Project, we’re fortunate to host races in some incredible communities and outdoor spaces throughout Texas. Keeping those spaces clean isn’t just the responsibility of the race crew or volunteers. It’s something we can all help with.

Our philosophy is pretty simple:

Run Local. Give Local. Keep It Clean.

Here’s what every runner, spectator, and supporter should know about keeping our race courses clean and being a good neighbor on race day.

Why Race Course Etiquette Matters

A race course doesn’t exist only on race morning.

The roads, parks, trails, and neighborhoods we use are places people live, walk their dogs, ride bikes, take their kids to play, and enjoy throughout the rest of the year. They’re also home to wildlife and, in many cases, located near lakes, rivers, creeks, and other natural areas.

When thousands of runners gather in one place, even small amounts of litter can add up quickly.

That’s why we ask everyone attending a Run Project event to be thoughtful about what they bring onto the course and what they leave behind.

Good race etiquette helps protect the places where we run, respects the communities that welcome our events, and helps ensure runners can continue enjoying these courses in the future.

Please Skip the Confetti

We understand the appeal.

You’re celebrating a friend’s first half marathon. Your running buddy just crossed the finish line. Someone hit a huge PR. You’ve got the perfect photo planned, and a handful of shiny confetti seems like the finishing touch.

Unfortunately, that confetti doesn’t disappear when the photo is over.

Small pieces of metallic or plastic confetti can scatter quickly, especially on a windy race morning. Once they’re on grass, trails or pavement, they’re incredibly difficult to collect individually.

They can also travel far beyond where they were originally thrown.

Wind and rain can move lightweight materials into storm drains, waterways and surrounding natural areas. What started as a few seconds of celebration can leave behind litter long after race day has ended.

For that reason, please do not bring or throw confetti, glitter, metallic foil, streamers or similar non-biodegradable materials at Run Project events.

And yes, that includes the shiny foil confetti that looks great in photos.

There are plenty of ways to make a finish-line celebration memorable without leaving anything behind.

Other Items That Shouldn’t End Up on the Course

Confetti isn’t the only thing that can accidentally become race-day litter.

Runners carry all kinds of things during a race: energy gels, chews, tissues, cups, hydration packets, and other nutrition products. Spectators may bring signs, balloons, food, decorations and other items.

The easiest rule to remember is:

If you bring it onto the course, make sure it ends up in a trash or recycling container—or leaves with you.

Pay particular attention to small items such as gel wrappers, nutrition packaging, plastic bottles, bottle caps, hand warmers, disposable ponchos, tissues, and pieces of signs or decorations.

A gel wrapper may weigh almost nothing, but multiply one wrapper by hundreds of runners, and it becomes a much bigger cleanup problem.

What About Aid Stations?

Aid stations are a little different.

During a race, runners need to grab hydration quickly and keep moving. We know cups are going to be discarded.

The important thing is where you discard them.

When approaching an aid station, grab what you need and toss your cup in the designated collection area whenever possible. Avoid carrying the cup hundreds of yards down the course before dropping it.

Keeping cups concentrated near aid stations allows our volunteers and cleanup crews to collect them much more efficiently.

The same applies to gel or nutrition wrappers. If possible, hold onto your wrapper until you reach an aid station or trash receptacle rather than dropping it along the course.

A few extra seconds of thought can make cleanup significantly easier.

“Biodegradable” Doesn’t Always Mean “Leave It Behind”

This is another common misconception.

Something being biodegradable doesn’t automatically mean it belongs on the ground.

Food scraps, paper products, and other materials can still take time to break down, attract wildlife, or create additional cleanup for park staff and race volunteers.

So rather than asking, “Will this eventually break down?” use a simpler rule:

Don’t intentionally leave anything behind.

If there’s a trash container nearby, use it. If there isn’t, carry the item until you find one.

Be Especially Careful Near Water

Many runners love courses along lakes, rivers, and trails—and so do we.

Those environments require a little extra care.

Lightweight trash can travel surprisingly far on a windy day. Plastic wrappers, metallic foil, and other small materials dropped near a course can eventually make their way into drainage systems or nearby waterways.

That’s why keeping the course clean isn’t only about making the finish area look nice after the race.

It’s about protecting the larger environment surrounding the course.

If you’re racing near a lake, river, creek, or natural area, secure anything lightweight that you’re carrying and make sure decorations, wrappers, and other items don’t blow away.

Spectators Are Part of the Race-Day Team, Too

Runners aren’t the only ones who can help.

Spectators bring incredible energy to Run Project events, and we absolutely encourage signs, costumes, cowbells, and creative ways to cheer.

We simply ask that spectators follow the same leave-no-trace mindset.

If you’re bringing signs, decorations, food, or other items, make sure everything leaves with you at the end of the event.

Instead of confetti or glitter, try reusable celebration items such as colorful signs, flags, cowbells, pom-poms, or coordinated outfits.

You’ll still get a great finish-line photo—and you won’t leave hundreds of tiny pieces behind.

Respect the Neighborhoods We Run Through

Race courses often pass through neighborhoods and public spaces that residents use every day.

While runners may only be on a particular street for an hour or two, the people who live there are sharing their community with us.

Keeping the course clean is one simple way we can say thank you.

That means using designated trash containers, respecting private property, following instructions from course marshals and volunteers, and leaving streets, sidewalks, and trails exactly as we found them.

When runners, spectators, and race organizers are good guests, it helps create a positive relationship between races and the communities that host them.

And that’s important for the future of local running events.

Volunteers Shouldn’t Have to Chase Your Confetti

Our volunteers do a lot on race day.

They’re handing out water, directing runners, distributing medals, working packet pickup, monitoring courses, cheering until they’re hoarse, and helping thousands of participants have a great experience.

After the final runner passes, there’s another job that isn’t nearly as visible: cleanup.

Race crews and volunteers walk through start areas, finish lines, aid stations, and portions of the course collecting what was left behind.

You can make their job considerably easier.

Putting a wrapper in your pocket, tossing a cup near an aid station collection area, or skipping the confetti altogether may seem like a tiny action. Across thousands of participants, those tiny actions make a huge difference.

Celebrate Big—Without Leaving a Trace

None of this means race day shouldn’t be fun.

Quite the opposite.

Wear the costume. Make the ridiculous sign. Ring the cowbell. Bring the whole family. Cheer loudly. Take 100 finish-line photos. Dance at the after-party. Celebrate the PR. Cry over your first half marathon medal.

Just remember that when the celebration is over, the only evidence we want to leave behind is a lot of happy runners and maybe a few footprints.

Before leaving an event, take a quick look around your area. If you brought something with you, make sure you’re taking it home or putting it in the proper receptacle.

It’s one of the easiest ways to be a good race-day neighbor.

Our Race Course Etiquette Rule

Here’s the simple version:

Please do not throw or leave confetti, glitter, metallic foil, balloons, streamers, or other non-biodegradable materials anywhere on the race course or in the start/finish area.

These materials can be difficult to clean up, harmful to wildlife and the environment, and may conflict with requirements established by the parks and communities that allow us to race there.

We also ask runners and spectators to properly dispose of wrappers, cups, nutrition packaging, and other waste throughout the event.

Celebrating is encouraged. Littering isn’t.

Run Local. Give Local. Keep It Clean.

Run Project is built around local running.

We race through local parks. We run alongside local lakes and rivers. We cross neighborhood streets. We partner with local businesses. We support local organizations. And we depend on local communities to welcome thousands of runners year after year.

Taking care of those communities is part of being a runner.

You don’t have to do anything complicated.

Use the trash cans. Hold onto your gel wrapper. Toss your cup near the aid station. Skip the glitter. Secure anything that might blow away. Pick something up if you see it.

Small actions multiplied by thousands of runners can have a huge impact.

So at your next Run Project race, celebrate as loudly as you want.

Just leave the confetti at home.

Run Local. Give Local. Keep It Clean.