All-Out Mardi Crawl
The All-Out Mardi Crawl offers a festive winter half marathon with a Mardi Gras theme in Arvada, Colorado.
Race Date
Feb 6, 2027
Location
Arvada, CO
Quick facts
- Date
- Saturday, February 6, 2027
- Location
- Arvada, Colorado
- Distance
- Half marathon (13.1 mi) + 10K, 5K, 13.1 Miles
- Course
- Loop Course
- Terrain
- Road
- USATF certified
- Not listed
- Finishers on record
- 274
Highlights
Good For
Atmosphere
Course
The Experience
The All-Out Mardi Crawl in Arvada, Colorado, transforms a winter day into a vibrant Mardi Gras celebration with a half marathon, 10K, and 5K. Now in its 11th year, this event kicks off from the Colorado Tap House, sending runners along the scenic Ralston Creek Trail. The course winds through shaded, creekside beauty, passing picturesque open spaces and charming golf course communities.
This race is more than just a winter run; it's a festive occasion. Participants can enjoy the unique blend of a Colorado winter and a Mardi Gras theme. The half marathon course is noted as more challenging, while the 5K and 10K offer gentler options. As an official BOLDERBoulder Qualifying event, it provides an opportunity for runners to secure a spot in a prestigious race. With an average of around 97 finishers, it offers an intimate yet spirited race-day atmosphere.
Race-provided description
Get ready for the 11th annual Mardi Crawl, where we blend a wonderful winter run with a festive Mardi Gras celebration, Colorado-style! Starting from the amazing Colorado Tap House in Arvada, you can choose your challenge: relatively gentle 5K and 10K courses, or a more challenging half marathon course. All races take you along the acclaimed Ralston Creek Trail, featuring shady, creekside beauty through Arvada's picturesque open spaces and charming golf course communities. Mardi Crawl is also an official BOLDERBoulder Qualifying event! Use your finish time from any distance in this race to qualify for BOLDERBoulder's qualified waves. This event also is part of the endless series with Runapalooza. This is a can't-miss opportunity to experience the best of what Colorado has to offer!
Logistics
Race Day
Saturday, February 6, 2027
Start Time
9:00 AM
Giveaway
T-Shirt
Start Location
14982 W 69th Ave, Arvada, CO, 80005
Course Info
Course Type
Loop Course
Terrain
road
Scenery
Park, Lake River
Surface
Paved
Difficulty
Ultra-Flat
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
Quality Score
Solid Pick443 years running
~97 finishers a year
shrinking
9% returning runners
3 timing sources · 3 photos
runners from 6 states
winner 1:25:40
typical high 41°F
Race Day Weather
5-year historical avgStart (Low)
17°
Afternoon (High)
41°
Cool conditions — dress in layers, perfect for fast times
0.1"
Precipitation
10 mph
Wind
63%
Humidity
Historical Finish Times
How 274 finishers actually crossed the line across 3 years.
Most recent
2026
Total finishers
274
Median time
2:07:52
Latest turnout
76
States
16
Turnout by year
2023–2026
Hover the histogram to inspect specific finish times.
Race Photos
Frequently asked
When is the All-Out Mardi Crawl?
The All-Out Mardi Crawl is held on Saturday, February 6, 2027, starting at 9:00 AM.
Where does the All-Out Mardi Crawl take place?
It takes place in Arvada, Colorado.
What distances does the All-Out Mardi Crawl offer?
The half marathon (13.1 miles), plus 10K, 5K, 13.1 Miles.
Is the All-Out Mardi Crawl course flat and good for a PR?
The All-Out Mardi Crawl is a ultra-flat, loop course course.
How many people run the All-Out Mardi Crawl?
HalfRuns has finish records for 274 runners who have completed the All-Out Mardi Crawl.
HalfRuns editorial — independent, no paid placement.
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