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Saturday - January 18, 2025

Sign-Up Now
https://www.aravaiparunning.com/drt-series/

Coldwater Rumble Trail Runs

100M | 100K | 60K | 40K | 10M | 5M

Estrella Mountain Regional Park
Goodyear, AZ

Follow desert trails that wind through the foothills of the rugged and jagged Sierra Estrella mountain range. Many trails at Estrella Mountain Regional Park have recently been re-worked and there are several new miles of trail in use for this course. The 100 mile race will feature two 10 mile (red) loops followed by three 27 mile (blue) loops. Runners will come through the start/finish a total of four times (after red 1, after red 2, after blue 1, after blue 2).

*Distances may vary slightly each year due to permitting.

Start Times

7:00 AM – 100 Mile
7:15 AM – 100K
7:30 AM – 60K
8:00 AM – 40K
8:30 AM – 10 Mile
8:45 AM – 5 Mile

Bib Pickup

Friday, January 17 
2:00PM –6:00PM
Estrella Mountain Competitive Track
(602) 506-2930 ext. 6
*If you are only picking up your race packet, you will not need to pay the entry fee on Friday afternoon*——————–
Saturday, January 18
6:00AM – 8:45AM
Estrella Mountain Competitive Track

Volunteer

We need help to make Coldwater Rumble Trail Runs possible. Volunteer perks include Aravaipa race credits and race swag!
Volunteer Now

Race Perks

- Gender specific race shirt (Men’s & Women’s styles)
- Chip timed race results displayed at finish line
- Scenic and challenging course on desert trails
- Well stocked aid stations
- Post race food & socializing
- Coldwater Rumble printed finisher glass or 100K Award from Aravaipa Artworx

100 Milers
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- Buckles to 100 Mile Finishers under 32 hours
- Sub 24 Hour buckle to 100 Mile Finishers under 24 hours

Live Tracking

Follow the 2025 Coldwater Rumble Trail Runs with live split points throughout the race.
Aravaipa Live
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Register Now
Registration closes: Mon, Jan 13 @ 11:59PM MT

Race Registration

Until 8/21 Until 12/25 Until 1/15 Race Week
100 Mile $300 $320 $340 $360
100 KM $170 $185 $200 $210
60 KM $130 $145 $160 $170
40 KM $90 $105 $120 $130
10 Mile $70 $80 $90 $100
5 Mile $45 $50 $55 $60
Save $8.16 with our no-shirt option! Shirts offered & guaranteed on race day if ordered by 12/14, otherwise shirts will be available on race day if there are extras.
**Pricing does not include tax or any online registration fees charged by Ultra Signup

Course Information

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Key Stats

Date | Saturday, Jan 18, 2025

Start Time | 7:00 am

Time Limit | 32 Hours (3:00pm on Sunday Overall Cutoff)

Distance | 100 Miles

Total Elevation Gain | 7,900 feet

Max Elevation | 1,415 feet

Women's Course Record | 16:19:17 - Devon Yanko (2024)

Men's Course Record | 15:09:52 -Catlow Shipek (2014) 

100 Mile Course Map
CalTopo Interactive Map

100 Mile Event Details

Stampede of Two | 2024 Coldwater Rumble 100 Mile

Additional Race Info

Results & Photos

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Thank you to our sponsors!

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