The ‘Taco Bell 50K’ Requires Strong Legs—and a Stronger Stomach

Imagine you’re 12 miles into a running race and you arrive at an aid station, where, instead of refueling with energy gels, you’re required to eat a 540-calorie Taco Bell Crunchwrap Supreme. 

Yes, that’s one of the mid-race snacks you’ll need to consume if you want to be an official finisher of a bizarre and spirited, 31-mile run through the greater Denver area.

Welcome, if you dare, to the annual Taco Bell 50K Ultramarathon. 

It’s Fun Until It’s Not

What started as an offhand suggestion on a Saturday morning training run has now become a stupid and fun gastro-intensive ultra-distance event with 10 “aid station” stops at various Taco Bell restaurants. But, as silly as it seems, it’s all about sharing the community of running, says founder Dan Zolnikov. 

Held every October for the past six years, and loosely coinciding with National Taco Day (yes, that’s a thing), it’s an unconventional and entirely unsanctioned fun run that has several ridiculous rules—a.k.a. the semi-optional Taco Bell 50K Commandments that are printed on the back of the event’s race bibs—including the need to eat something from the Taco Bell menu at every stop. 

While that could mean consuming something small at most of the restaurant visits—like, say, an order of Nacho Fries or Cinnamon Twists—the fourth and eighth aid stations demand a higher level of gastrointestinal fortitude. At those stops, participants must opt for one of the larger and more calorie-intensive “Supreme” menu items, such as a Crunchwrap Supreme, Burrito Supreme, or Nacho Cheese Doritos Locos Tacos Supreme.

“I always tell people it’s fun until the fourth stop,” says Zolnikov, a Denver lawyer and avid ultrarunner who started the event in 2018. “Most of those that are new to it are like, ‘Wait, I’ve gotta eat a Chalupa Supreme or a Crunchwrap Supreme and then keep running for almost 20 more miles?’ And we laugh and say, ‘Yep! That’s what we do.’ Honestly, that’s when a lot of people are like, ‘I think I’m just going to go home.’”

Building Community with Type 2 Fun

Running the Taco Bell 50K is what many ultrarunners call out-of-the-ordinary Type 2 fun—something that conceptually sounds fun before and afterwards, but in actuality is not quite that fun while it’s happening. But word has gotten out and it’s been compelling enough to have grown to a record 40 participants this year. There’s no entry fee, but each runner is expected to pay for their own food. 

While the Taco Bell chain of 7,000 Mexican-themed fast food restaurants isn’t a sponsor of the event—and the event organizers explicitly remind participants of that—a Denver-based Taco Bell franchise group agreed to open one of its locations early this year to accommodate the 7 A.M. start and welcome runners with free breakfast burritos, thanks, in part, to the persistent prodding of Jason Romero, one of the event’s original instigators.

Not just a zany group run, the Taco Bell 50K is rooted in ultrarunning lore and takes cues from some of the country’s most famous races. Not only does the course alternate between clockwise and counterclockwise every other year—a la Colorado’s Hardrock 100—it also requires runners to keep their Taco Bell food wrappers as an ode to how runners need to tear a page out of hidden books on the Barkleys Marathon course.

While Leadville 100 luminary Ken Chlouber has famously motivated runners for 40 years by saying “You’re better than you think you are, you can do more than you think you can,” Romero says the motto of the Taco Bell 50K is that “you’re hungrier than you think you are, and you can eat more than you think you can.” 

How it Started, How it’s Going

How does a convoluted event like the Taco Bell 50K get started in the first place? At a farmer’s market, of course. 

During long Saturday morning training runs in the spring of 2016, Zolnikov and running buddy Mike Oliva developed a habit of refueling by eating fresh, Colorado-grown or locally crafted food at Denver farmer’s markets. On one run, Oliva randomly stopped to use a bathroom at a Taco Bell and suggested to Zolnikov they should consider changing their route the next weekend and make Taco Bells their impromptu aid stations. 

“As soon as he said it, we laughed but then there was this awkward, five-minute silence between the two of us,” Zolnikov recalls. “We were just kind of jogging along and not really saying anything, but he said it so it was out there. I think we realized it was a stupid idea, but, as ultrarunners, we kind of wanted to do it. So I asked him, ‘Do you want to do that next week?’ And he was like, ‘No dude, just forget I said anything. Let’s just forget it.’” 

Although the idea never conjured up mouth-watering excitement, the odd craving to do it never went away. The banter about the idea continued on their Denver running Facebook group, as well as at weekly training runs of the Denver chapter of Achilles International, a running club in which runners with disabilities are guided on weekly training runs and weekend races. 

Oliva started that group in 2013, and it has met for weekly runs at Denver’s Washington Park every Monday night for the past 10 years, developing an easy-going camaraderie between guides and runners. 

“This talk about running to Taco Bells went on for about two years, and finally I got sick of hearing the trash talk, and just said, ‘That’s it, we’re doing it,” says Romero, 53, a regular Achilles runner who is legally blind. “And as soon as I said it, it kind of got silent. But I’m not about talking, I’m about doing. So I said, ‘You put together a course and we’re going to do this.” 

Within a few days Zolnikov had plotted out a course using Google Maps and Strava, connecting nine Taco Bells in the Denver metropolitan area in a 31.52-mile loop. (To make it an even 10 aid stations, the event starts and finishes at the same Taco Bell on the southwest side of the city.) And then, a few weeks later, in October 2018, seven courageous runners gave it a go and five finished in about seven and a half hours. (The other two tapped out, waving the white napkin of surrender midway through the route.)

Although it was mostly a celebratory season-ending fun run among a core group of friends for the first few years, it has garnered more interest as word of mouth spread. A few of the Achilles runners have joined in the fun every year.

“It’s not a glamorous route,” says Ben Garrett, who took over as race director after running the Taco Bell 50K for the first time in 2022. “It’s kind of what you’d call an urban ultra through the ‘scenic’ parts of Denver.”

Garrett, a 25-year-old structural engineer, was training for his first marathon when he was cajoled into joining the Taco Bell 50K—despite never having run more than 16 miles. He joined willingly and finished, giving him a boost of confidence heading into the Disney World Marathon three months later.

“It was great to know I could run that far before my marathon, especially knowing I had a stomach of steel after that,” Garrett says with a laugh. “But it also inspired me to run more. After my first marathon, I did another marathon and then a couple of 50Ks. Now I’m hooked for life.”

Strong Stomachs Required

There are no winners, and there are no prizes. Instead over the years, runners have piled on extra gastrointestinal challenges for extra satiation. 

There’s the Baja Blast Challenge, which entails only imbibing two liters of Mountain Dew Baja Blast during the run, and then there’s the Diablo Challenge, which consists of oozing a packet of Taco Bell’s next-level hot and spicy Diablo Sauce on every single food item throughout the run. (By the way, two of the more precarious event rules state that no Pepto Bismal, Alka Seltzer, Pepcid AC or Mylanta will be allowed on the course, and the bathroom stops are only allowed at the Taco Bell restaurants.)

As if consuming 1,500 calories during the run wasn’t enough, some runners have added their own challenges—such as devouring a Voodoo Doughnut during the middle of it—and many runners engage in the Diablo Shooter Challenge, which is simply sucking down a packet of the restaurant’s fiery hot sauce to conclude the run. But to be fair, one of the forgiving commandments is the notion that every runner can take a mulligan and skip eating at one of the stops.

“It’s just meant to be a fun run,” says Denver runner Bill Garner, who has participated in five of the six Taco Bell 50Ks. “It’s the one ultra where you’re just really out there for the camaraderie. I don’t really feel like anybody’s racing, although I’m sure somebody’s going to show up one year and try to run it all-out. But for most of us, it’s a big camaraderie run.” 

It is mostly about the community spirit that pervades running, but for Garner, the Taco Bell 50K inspired him to run farther and pursue new running goals. Prior to participating in the first event in 2018, the 53-year-old cybersecurity technology specialist and strict vegetarian primarily ran marathons and half marathons on the roads. Since then, his focus has become ultra-distance races on trails, and believe it or not, he typically relies on cold Taco Bell bean-and-cheese burritos in his aid station resupplies.

“It’s the perfect ultra fuel,” says Garner, who consumed numerous Taco Bell delicacies enroute to finishing the Kansas Rails to Trails 100-miler in 2019. 

“I thought these ultrarunners were crazy, and I jumped into this because it was crazy, but then it changed my life,” he says. “I had never run an ultramarathon before I did the Taco Bell run, and I definitely learned that, if you just keep eating, you can keep going. That’s what ultras are all about.” 

A New Franchise is Born

A few years ago, Portland, Oregon, runner Bobi Jo Ousnamer befriended several Colorado runners in an online forum while training for the Pikes Peak Marathon. They told her about the Taco Bell 50K and asked her to come out and run it in 2019, but she couldn’t fit it into her schedule because she was training for her first 100-miler. 

However, she made it out for the 2020 edition, amid the Covid-19 pandemic. (That year, a small group of runners ran through Taco Bell drive-thrus to order their food because the inside dining areas weren’t open.) During the run, she admitted she had devised her own Taco Bell 50K course in Portland. That immediately sparked interest in doing Denver and Portland events on back-to-back days, which they finally pulled off in 2022 on the day of the Portland Marathon. 

That event included stops at seven Taco Bells and a marathon aid station a friend organized on her front lawn, where they devoured homemade breakfast tacos. Calling it the Double Deuce Challenge, it included 62 miles and 18 taco stops in two cities in less than 36 hours.

“I made the mistake of mentioning to Jason Romero that I had created a Portland course and he was like, ‘Oh my God, we’re doing a double!’” says Ousnamer, 34, who works as a juvenile public defender in Portland. “So for the fifth anniversary, he announced that we’d be doing this double. I think we all thought he was kind of joking, but as the months went on, he was like, ‘All right, I’ve got a plane ticket so we’re doing this.’ The Taco Bells are not as close together as the Denver ones and it’s hillier in Portland, so it was a bit of a bigger challenge. We were definitely feeling it on day two.”

Although the Taco Bell 50K has always meant to have been a low-key, end-of-the-season celebration for local runners, it’s continued to gain notoriety and to push the envelope of what’s possible. Runners in Texas and New Jersey have reached out about developing something similar, as have a couple of running clubs in Europe. Although the event details were typically only posted on Facebook when Zolnikov managed it, Garrett upped its visibility and inclusivity by developing an informational website with a link to the Strava map of the course.

Will the Taco Bell 50K continue to grow? 

“Honestly, I never wanted to see it start to begin with, but it’s kind of turned into this force of nature that’s bigger than me and bigger than Jason, and it’s become its own thing now,” Zolnikov says. “People can use it for whatever they want it to be, and if someone wants to get bragging rights for racing through it as fast as they can, go for it. My thing has always been about getting together and running, and, OK, ‘Let’s do this kind of dumb thing, and let’s have fun doing it.”