2026 All-Out Mardi Crawl

The All-Out Mardi Crawl is scheduled for Sunday, February 22, 2026, at the Apex Center, located at 13150 W 72nd Ave in Arvada, Colorado. This event takes place on a paved multi-use trail, offering a mix of scenic and challenging routes. On the event date, Arvada typically experiences variable weather conditions, with temperatures ranging from 30°F to 45°F and potential for light precipitation. Participants can expect a well-organized race with a focus on both athletic performance and festive celebration, featuring a Mardi Gras theme with Colorado-style elements. The event includes multiple race distances, with course adjustments to ensure accuracy and safety.

What distances are available for this event?

• →Half Marathon
• →10K
• →5K

How much does registration cost?

• →Half Marathon: $85.80 (includes $5.80 fee)
• →Youth/Senior (Ages 0-14, 65-99): $68.84
• →10K: $64.60 (includes $4.60 fee)
• →Youth/Senior: $51.88
• →5K: $54.00 (includes $4.00 fee)
• →Youth/Senior: $43.40

What are the start times for each race?

• →Half Marathon: 9:00 AM MST
• →10K: 9:30 AM MST
• →5K: 9:40 AM MST

What is the event window for this race?

• →Races conclude by 1:00 PM MST

What race distances are eligible for the BOLDERBoulder qualifier?

• →Any distance: Finish any distance to earn qualifying time for BOLDERBoulder's seeded waves

What charity is the event benefiting?

• →Proceeds benefit "I Have A Dream" Foundation of Boulder County (supports youth education from 1st grade through college)

What special features are included in this event?

• →10th Annual Edition – Final year hosting at the Apex Center
• →Mardi Gras Theme: Colorado-style festive celebration with new 2026 art/design (Race Director-designed banner, finish arch, swag, medals, alumni brag tags)
• →Prizes: Cash awards for overall winners + partner prizes
• →Pet Friendly: Dog tags available for purchase to celebrate your running companion

What course features can participants expect?

• →All distances run along the acclaimed Ralston Creek Trail
• →Shady, creekside scenery through Arvada's picturesque open spaces
• →Routes passing through charming golf course communities
• →5K & 10K: Relatively gentle, beginner-friendly profiles
• →Half Marathon: More challenging elevation; recently adjusted with an additional aid station (Aid 6) and a small dogleg near the venue to guarantee certified distance

What are the spectator viewing tips for this event?

• →Best cheering locations are at Aid Station 2 (serves 10K and Half) and Aid Station 3 (Half Marathon only)

What is included in the registration?

• →Virtual options available for Half Marathon, 10K, and 5K with swag and alumni credit
• →Race Director-designed banner, finish arch, swag, medals, alumni brag tags
• →Aid stations along the course, including a newly added Aid Station 6 for the Half Marathon

What age-based pricing is available?

• →Youth/Senior (Ages 0-14, 65-99): Discounted rates for Half Marathon, 10K, and 5K

What is the course map and how can it be accessed?

• →Downloadable Google Map available for spectators via event website

What is the registration deadline for each race?

• →Half Marathon: Feb 22, 2026 at 8:50 AM MST
• →10K: Feb 22, 2026 at 9:20 AM MST
• →5K: Feb 22, 2026 at 9:30 AM MST

What is the weather consideration for participants?

• →February weather in Arvada can be variable; dress in layers and check the forecast

What is the significance of this event?

• →10th Annual Edition – Final year hosting at the Apex Center
• →This is your last chance to race the Mardi Crawl at the Apex Center
• →Ideal for trail shoes or lightweight road racers due to the paved and well-maintained trail surface
• →As a BOLDERBoulder qualifier, this is a smart early-season tune-up race with festive energy and scenic Colorado trails