Race Discovery
The Marathon Project
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2025 - The Marathon Project

Chandler, Arizona, United States View on map
Dec 20, 2025 – Dec 21, 2025 (America/Phoenix local time)
Running

2025 distances

Running

Gold Wave Marathon

The Marathon Project Gold Wave will consist of just 1,000 total participants. Athletes of all ages and abilities are encouraged to register. The top 500 men and top 500 women (and non-binary) as determined by verified entry time (marathon or half marathon since January 1, 2021) will be accepted into the race.

Dec 20, 2025 Marathon 7:30 AM
$500.00
Closed

TMP 5k

The TMP 5k is open to runners of all ages and abilities. There are no field size limits and the race will be run before the Gold Wave on Saturday morning of Marathon Project weekend.

Dec 20, 2025 5K 12:00 PM
$65.00
Closed

Pro Marathon

The Marathon Project Professional Race will consist of 100 men and 100 women as selected by race organizers. Athletes who have run under 2:20:00 (men) or 2:40:00 (women) are encouraged to apply. Athletes who have run above 2:20:00 (men) or 2:40:00 (women) are encouraged to register for the Gold Wave.

Dec 20, 2025 Marathon 7:30 AM
$200.00
Closed

Race-day weather

Conditions on December 20, 2025 — historical Open-Meteo data.

Temp (°C)
Minimum temperature (recorded on race day) 8.5° / Maximum temperature (recorded on race day) 24.7°
Feels Like (°C)
Minimum feels like — heat index / wind chill (recorded on race day) 7.9° / Maximum feels like — heat index / wind chill (recorded on race day) 24.7°
Peak wind (km/h)
Strongest wind of the day (recorded on race day)
5.5
Precip (mm)
Precipitation over the day (recorded on race day)
0.0mm
Humidity
Mean relative humidity (recorded on race day)
42.0%
Sunrise
Sunrise at the start line on December 20, 2025 (MST)
Sunset
Sunset at the start line on December 20, 2025 (MST)
Daylight
Hours between sunrise and sunset on race day
9h 56m

The sun rises at 7:26 AM and sets at 5:23 PM local time (MST) in Chandler on December 20, 2025 — 9h 56m of daylight.

Course

No course map published yet.

The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.

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Other races near Chandler

Different organizers, within 40 miles, in the next three months

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Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.

  • Entries, prices, waves and inclusions — the event's official registration page
  • Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
  • Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
  • Comparisons and counts — Race Discovery calendar, 9 Chandler events

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