January 20, 2018
100M | 52M | 52K | 20M | 20K | 4M
Estrella Mountain Regional Park, Goodyear, AZ
7:00 AM – 100 Mile
7:30 AM – 52 Mile
8:00 AM – 52 Km
8:30 AM – 20 Mile
8:45 AM – 20 Km
9:00 AM – 4 Mile
The Coldwater Rumble is the fifth race in the Aravaipa Running – Desert Runner Trail Series, Arizona’s premier trail & ultra run series.
Trail Series = 20 mile | Ultra Series = 52 Km, 52 Mile
UTMB Points *
|100 Miles||5 Points|
|52 Miles||4 Points|
*These points will be applied for the 2018 UTMB
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 new course. The 100 mile race will feature five 20 mile loops.
Forecast for Goodyear, AZ
Average highs for this time of the year are in the mid 60’s and lows in the low 40’s. While a storm and/or a cold snap does happen, expect beautiful running weather in the Valley of the Sun!
TownPlace Suites by Marriott Phoenix/Goodyear
13971 Celebrate Life Way
Goodyear AZ 85338
Thursday, January 18
Packet Pickup 4:00-7:00PM
Group run 5:30-6:30PM
4730 E. Indian School Rd. #125
Phoenix, AZ 85018
Friday, January 19 – 4:00 – 6:00PM
Estrella Mountain Regional Park
Saturday, January 20 – 6:00 – 8:45AM
Estrella Mountain Regional Park
Aid stations every 3.4-7.9 miles (mile 2.2 in the 4 Mile) including water, electrolyte drink, sweet snacks, salty snacks, and fruit. Please plan to run with at least one bottle of water.
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 every 3.4-7.9 miles
Post race food & socializing
Finisher award pint glass
Buckles to 100 Mile Finishers under 32 hours
Sub 24 Hour buckle to 100 Mile Finishers under 24 hours
To capture both your pain and euphoria along the way SweetM Images will be out on the course. With SweetM Images you get photographers who are also runners and understand what your race photos mean to you!
Crews & Pacers
Crews are welcome to support runners at the start/finish line at Ramada 9 in the Turf area. This will serve as the “Rumble Headquarters” for the duration of the 32 hour event!
Pacers may join runners after loop 3 in the 100 mile race or at sunset, whichever comes first. Pacers may join 52 mile runners for their final short loop of the race.
Awards to the top 3 male & female finishers at each distance.
All finishers will receive a finisher award.
Points earned in the Desert Runner Trail Series.
Buckles to 100 mile finishers.
If you would like to join our volunteer team, we are looking for help with event setup, aid station captains, aid station helpers, timing, photography, videography, social media, course sweep and event breakdown. Volunteer perks include a piece of Aravaipa merchandise or race goody and Aravaipa Race Credits. You can see our current opportunities and sign up here: Coldwater Rumble Volunteer Form
|Until 10/13||Until 12/22||Until 1/16||After 1/16|
|Until 10/13||Until 12/22||Until 1/16||After 1/16|
Online registration closes on 1/16 at 11:59 PM. Registration will be available after online registration closes at all packet pickup locations and race day as long as we have not reached our capacity.
Cutoff for all races is 3 PM on Sunday (32 hours for 100 miler).
Headquarters (Mile 60) – 2:00 AM
Headquarters (Mile 80) – 8:30 AM
Pedersen (Mile 91.1) – 12:00 PM
Coldwater (Mile 96.7) – 2:00 PM
All courses feature a wide variety of typical desert trail running surfaces including crushed granite single track, rocks, boulders, sandy washes, old jeep roads, and dry wash beds. Be prepared for a wide variety of conditions from very well defined, to more remote and sandy. Course Photos
Elevation Gain 5,315 Feet | 1,620 Meters
Elevation Gain 3,609 Feet | 1,100 Meters
Elevation Gain 2,067 Feet | 630 Meters
*Note on GPX & KML files: Right click and select “Save link as…” to download files.
GPX files may be opened by downloading the demo version of TopoFusion for free. KML files may be opened in Google Earth.
2017 Live Results Link
100M | Male – 15:09:52 – Catlow Shipek (’14) | Female – 20:05:43 – Gina Dhaliwal (’14)
52M | Male – 8:06:51 – Sam Haagenson (’14) | Female – 9:10:38 – Meghan Hicks (’14)
52K | Male – 4:12:52 – Sion Lupowitz (’15) | Female – 4:41:42 – Kelly Wolf (’15)
20M | Male – 2:18:01 – Joshua Trevino (’14) | Female – 2:43:45 – Elissa Sander (’15)
20K | Male – 1:24:58 – Pedro Gomes (’16) | Female – 1:31:22 – Haley Wolf (’15)
4M | Male – 31:14 – Brian Holterhaus (’16) | Female – 31:19 – Katherine Weiss (’15)
Previous Distance Course Records
50M | Male – 7:11:13 – Dave James (’13) | Female – 9:39:34 – Magi Redlich (’13)
50K | Male – 3:57:02 – Brendan Halpin (’13) | Female – 4:29:41 – Polly Campbell (’13)
2016 | Aravaipa Photo Gallery | SweetM Images
2015 | Aravaipa Photo Gallery
2014 | Aravaipa Photo Gallery
2013 | Aravaipa Photo Gallery
2012 | Aravaipa Photo Gallery| Michael Miller
2011 | Aravaipa Photo Gallery
Race Day Schedule
Please arrive early to park, check in and warm up prior to your run. Restroom facilities are located at the start line as portable restrooms.
Saturday, January 20, 2018
6:00 AM – Packet pickup / race day registration begin
6:56 AM – Begin civil twilight
7:00 AM – 100 Mile Start
7:30 AM – 52 Mile Start
7:31 AM – Sunrise
8:00 AM – 52 Kilometer Start
8:30 AM – 20 Mile Start
8:45 AM – 20 Kilometer Start
9:00 AM – 4 Mile Start
5:43 PM – Sunset
5:53 PM – Moonrise (waxing gibbous with 100 % of Moon’s visible disk illuminated)
6:16 PM – End civil twilight
Sunday, January 21, 2018
7:00 AM – Begin civil twilight
7:30 AM – Sunrise
7:41 AM – Moonset
3:00 PM – Final 100 Mile Cutoff
Park Entry Fee
Remember the park charges a $6 park entry fee per vehicle. Please arrive early and have correct change (cash) available on race morning for a smooth entry process. Carpool to save!
Trail Running & Trash
Please respect the trails and the beauty of the desert by disposing of any trash at one of our aid stations.
We will be utilizing a chip timing system at this event to record your time at the finish. You will be provided with a timing chip attached to the back side of your race bib. It is important to not crease, or fold the the timing chip to ensure your finish time is read. Results after each lap will be displayed on a screen at the finish line turnaround.
Drop bags will be allowed at the start/finish and at the Coldwater Aid Station for all racers. Drop bags will be returned to the start/finish area at the conclusion of the races.
Aid Station Helpers
We cannot produce these trail runs without the help of our amazing volunteer team. You can even help and run on race day. If you would like to join our volunteer team, we are looking for help with event setup, aid station captains, aid station helpers, timing, photography, videography, social media and event breakdown. Volunteer perks include a piece of Aravaipa merchandise or race goody and Aravaipa Race Credits. You can see our current opportunities and sign up here: Coldwater Rumble Volunteer Form
The race courses will be well marked with orange plastic ribbons with black polka dots. Trail junctions and turns will be well marked with colored laminated signs that correspond with your race’s color (4M = Blue, 20K = Green, 20M = Yellow, 52K = Red, 52M = White, 100M = Orange). Please pay attention to these signs at each junction as there are multiple race distances and race courses! In addition, blue & white checkerboard plastic flagging will be hung to designate non-race or “WRONG WAY” trails. All runners are responsible for understanding the layout of the courses. Please familiarize yourself with the course maps on our website prior to race day and/or print a map to bring along with you.
Parking / Start Area
The start/finish line is located at Ramada 8 in the Turf Area. This is only slightly different from past years at Ramada 9. However, you will be directed to go around the road loop (Casey Abbot Drive) to access the two parking lots associated with Ramada 8 as there are road closures within the park for the race.
Tent sites are available at the Turf Area (Rumble Headquarters) next to the start/finish line for $20 for the weekend (Friday and Saturday nights). You may reserve a camping site with your registration this year. There is a bathroom facility located at the staging area. Purchase Camping Permit
Tent & Cot Rental
We will be renting tents and cots for use by runners again this year. You may reserve a tent and/or cot when you register for the race. The tent will be setup when you arrive, so all you have to do is bring your own sleeping bag (or rent one of ours)! The small tents are 7′x7′ and the large tents are 12′x8′. Purchase Tent & Cot Rentals
From central Phoenix, take I-10 west to Estrella Parkway exit. Travel south to Vineyard Ave. Turn east on Vineyard Ave. to the Estrella Mountain Regional Park entrance on the south side.
14805 West Vineyard Avenue
Goodyear, AZ 85338
Video Credit: Ed Gildersleeve