The Marathon Project
The Marathon Project is a running race on December 12, 2026 in Chandler, AZ, with entry fees from $40 to $500.
- Date
- December 12, 2026 (142 days to go)
- Price
- $40–$500
- Sport
- Running
From the Organizer
A Premier Race Weekend Experience.
The Marathon Project - As Fast As Possible.
Comprehensive race info available at:
www.themarathonproject.com
Events
Weather
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
65°
Typical Low
40°
Chance of Rain
9%
Based on US Climate Normals data from South Phoenix, 9 mi from the venue.
Host City
About Chandler, AZ
Population
278,123
as of 2023
City Elevation
1,211 ft
Nearest Airport
PHX
Phoenix Sky Harbor International Airport · 13 mi
Time Zone
Mountain Time
From Endurance Grid
A big city race. Expect multiple lodging options and plenty to do the day before.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at The Marathon Project, put it on the calendar, and turn “someday” into a start date.
142
Days to train
- Race
- The Marathon Project
- Date
- December 12, 2026
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From Endurance Grid
About This Sport
Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
Running
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Coming Up
More Running races near Chandler, AZ
Tunnel to Towers 5K Run & Walk - Tempe, AZ
5K · From $10 · 80 W. Rio Salado Parkway
11 miles away
Phoenix - HFTC 5k
5K · 6111 S All America Way
7 miles away
Tukee Trot 5K
1 Mile · 5K · From $35 · Pecos Park
6 miles away
2026 Jingle Bell Run - Arizona
5K · From $45 · 708 W Baseline Road
Less than a mile away
Plan your trip
Make it a Racecation
Coming from out of town? There's more to Chandler than race day. We'll help you line up nearby lodging, flights, a rental car, and things to do so you can make the most of your racecation.
Plan your trip to ChandlerFrequently Asked Questions (FAQs)
What is The Marathon Project?+
When and where is The Marathon Project?+
How do I register for The Marathon Project?+
The Marathon Project
Dec 12, 2026