All-Out Mardi Crawl

Sunday, February 22, 2026 • Arvada, CO
Registration Open
Register Now — From $25.00

When is All-Out Mardi Crawl?

All-Out Mardi Crawl takes place on Sunday, February 22, 2026 in Arvada, CO.

What distances does All-Out Mardi Crawl offer?

All-Out Mardi Crawl offers 6 events: 5K, VIRTUAL 5K, 10K, VIRTUAL 10K, Half Marathon, VIRTUAL Half Marathon.

Event Distance Price
5K 5.0 km $30.00 Register
VIRTUAL 5K 5.0 km $25.00 Register
10K 10.0 km $40.00 Register
VIRTUAL 10K 10.0 km $30.00 Register
Half Marathon 13.1 mi $60.00 Register
VIRTUAL Half Marathon 13.1 mi $40.00 Register

How much does All-Out Mardi Crawl cost?

Registration for All-Out Mardi Crawl starts at $25.00. Prices vary by event distance.

Where is All-Out Mardi Crawl held?

All-Out Mardi Crawl is held in Arvada, CO at 13150 W 72nd Ave.

About All-Out Mardi Crawl

Welcome to the 10th annual All-Out Mardi Crawl, a Mardi Gras run in the Denver area, benefiting a NEW charity, "I Have a Dream" Foundation Boulder Couty! From the award winning Apex Center, these 5K, 10K & Half Marathon courses will run west along the 2020 Best of the Best Ralston Creek Trail through Arvada's open spaces and stunning golf course communities, shady, creekside beauty and a challenging half marathon loop around Blunn reservoir. With its Endless Series counterpart Runapalooza, this is a can't miss opportunity to enjoy much of what Colorado has to offer!
 

Register Now — From $25.00

Course details

Apex Center
13150 W 72nd Ave, Arvada, CO 80005

5K course

(3% asphalt/97% concrete)
Download/elevation profile
5K athletes will depart the south end of the Apex parking lot then head west on Ralston Creek Trail. As an out & back course, they will run 1.55 miles before turning around to return the way they came. 2 opportunities to fuel up (+2 toilets).

Male record: Nick Lightfoot, 2023 Runapalooza 17:12 (5:33)
Female record: Cassandra Porter, 2023 Summer Breeze 18:32 (5:58)
Course average: 37:02 (11:57)
Avg. # of athletes: 114

10K course

(2% asphalt/98% concrete)
Download/elevation profile
10K athletes will depart the south end of the Apex parking lot then head west on Ralston Creek Trail. As an out & back course, they will run 3.1 miles before turning around to return the way they came. 4 opportunities to fuel up (+2 toilets).

Male record: Billy Mertens, 2021 Runapalooza 34:59 (5:38)
Female record: Brittany Warly, 2023 Runapalooza 38:09 (6:09)
Course average: 1:03:56 (10:19)
Avg. # of athletes: 82

Half marathon course

(6% soft surface/1% asphalt/93% concrete)
Download/elevation profile
Half marathon athletes will head southwest out of the Apex lot then east on Ralston Creek Trail for a short dogleg and aid station, then athletes can settle in to a 4 mile westbound run before heading south to the NEW Long Lake Park loop. After running clockwise for approximately 3.6 miles, athletes will return to Ralston Creek Trail for the downhill trip back. 12 opportunities to fuel up (+7 toilets).

Male record: Samuel Ringger, 2023 Runapalooza 1:14:48 (5:43)
Female record: Tricia Holland, 2024 Runapalooza 1:29:10 (6:48)
Course average: 2:05:45 (9:36)
Avg. # of athletes: 107

 

Aid Stations

Aid stations have Superganix samples on-demand and will feature Gatorade (lemon-lime, orange, or fruit punch) and Gu energy gels in raspberry lemonade

Directions & Parking

Directions: The Apex Center is located at 13150 W 72nd Ave in Arvada, CO. From I70 you'd go north on Ward Rd, then west on 72nd Ave. In just under half a mile, the entrance to the Apex Center will be on the south side of the street. Click here for a map or to get directions.

Parking: Athletes & spectators will be asked to park in the lots to the west of the Apex Center, keeping the lots closest to the finish line accessible for volunteers who will be heading out on the course & other event operations. Please follow all parking signs & staff direction on race day.

Features & SWAG

♦ RRCA Certified Race Director—Organization you can count on!
With hundreds of events under the belt of our director and a staff with 25+ years experience, your event will run smoothly. (Ha! No pun intended)
♦ Early AND Race Day Packet Pick-Up—For those who like to prep in advance!
But no worries if you wait until race day... we make it quick & easy.
♦ Race Shirts—The one you'll want to wear EVERY day!
LONG SLEEVE! Poly for those moisture wicking properties, but with a touch of cotton for extreme comfiness.
♦ Finisher Medals—Custom molded for all, including the 5K!
With full-color ribbons... SO fancy!
♦ Brag Tags—For all repeat finishers!
Our little way of saying 'Thanks for making Mardi Crawl a tradition!'
♦ Souvenir Race Bibs—Event specific and personalized!
Personalized for all who register at least 2 weeks in advance... yet another keepsake to remember your day!
♦ Custom Distance Sticker—Share your accomplishment!
Stick 'em on your car, water bottle, or bulletin board proudly!
♦ FREE Race Pics—Unlimited downloads are on us!
Professional photographers at the finish line AND on course... enjoy!
♦ Gear Check—No trips back to the car for our athletes... no need!
Leave it with us... we'll keep an eye on it for you.
♦ In-building toilets
We have access to the toilets in the Apex Center while in venue, and multiple toilets on-course for the 10K & Half!
♦ Accurately Measured Courses—Race the distance you trained for!
Not a little more and not a little less... we measure each course no fewer than 3 times before race day and mark them so they're crystal clear.
♦ Use your results to qualify for Bolder Boulder—We count!
All of our distances are timed and accurately measured, and may be used for the timed waves
♦ Medical Support—Nothing is more important than your safety!
Here's hopin' those guys are really bored, but just in case... you'll find our med crew both at the start/finish AND on course. Plus, each and every volunteer you pass knows who to call for help.
♦ Tons of Aid Stations—No need to carry any extra weight!
Not only will both water & electrolytes be handed to you at the finish line, course aid stations are an average of just 1.2 miles apart. And cups at the aid stations, no hassle of running cupless!
♦ Disposable Timing Chips—No hassle at the finish line!
And no fees if you forget to return your timing chip either... we don't need it back.
♦ Electronic Results—No more endless sheets of data to sort through!
All results scroll on easy-to-read computer screens in the expo area during the event and are posted online by the end of the day.
♦ Post-Race Meal—Breakfast burritos, fruit, bagels & chocolate milk for all!
Yup, even if you're dead last... we're not going anywhere until we cheer you in.
♦ 3 Deep Awards—Overall AND Divisions!
Events small enough to stay friendly and personal give you a better chance of landing on the podium!
♦ Theme-based costume contest!
Make sure the official photographer snaps your pic and the best theme-based outfit (as determined by the race director) gets a 50% off coupon for a future event!

 

Thank your team for a great event. I've done a couple of All-Out races and I'll say that they are definitely in the top tier.  ~Kevin
As a part of our first-of-its-kind race that doesn't end, (yes, it goes on and on my friend), run the same distance at back-to-back events to measure your progress on identical Endless Series courses. Prizes may be awarded to those who beat their previous time! More
With about a gazillion reasons why you might not be able to join us on race day, we know you still want to race with your friends & family. Well, we've got your back! More

Prizes

We still have the great 3-deep awards that you love, overall and divisions. The prizes will be a free registration for the distance you participated in. The winners will be randomly selected and notified via email the week after the event. More

Schedule

Thursday, February 20
 4:30-6:30p Early packet pick-up 
Location: TBD
      
Saturday, February 22
 8:15a Packet pick-up open
  8:50a Half pick-up/registration close
  9:00a Half marathon start
  9:20a 10K pick-up/registration close
  9:30a 10K start/5K pick-up/registration close
  9:40a 5K start
  10:15a 5K awards ceremony
  10:45a Half overall/10K awards ceremony
  11:15a Half division awards ceremony

Note that packet pickup closes 10 minutes before the start of each distance and you must start within 5 minutes of the distance start time (don't be late)!

Swag & Giveaways

5K: T-Shirt
VIRTUAL 5K: T-Shirt
10K: T-Shirt
VIRTUAL 10K: T-Shirt
Half Marathon: T-Shirt
VIRTUAL Half Marathon: T-Shirt
Register for All-Out Mardi Crawl
From $25.00
Register Now