Saturday, May 30 to Sunday, May 31, 2015

7:00PM – 54 Km
7:30PM – 27Km
8:00PM – 10 Km

The Adrenaline Relay events have been discontinued in 2015.

McDowell Mountain Regional Park, Fountain Hills, AZ

Adrenaline is the second race in the Insomniac Night Trail Series. Choose from distances of 10K, 27K and 54K.

Four Peaks Staging Area at McDowell Mountain Regional Park, Fountain Hills, AZ. Directions

Course Summary
Rolling desert trails on single track with fast smooth sections and challenging mountainous sections.  Tour the new Escondido and Cinch trails along with the picturesque Scenic ridge trail.  Featuring a long loop and a short loop, runners will experience a variety of conditions and challenges.

Forecast for Fountain Hills, AZ

Final cutoff is 5 AM (10 Hours for the 54k).  Runners must leave for their final long loop by midnight (5 hours) and their final short loop by 3 AM (8 Hours).

Race Perks
Tri-blend tank for women.
Tri-blend shirt for men.
Chip timed race results displayed at finish line
Scenic and challenging course on desert trails
Well stocked aid stations
Iced Coffee Bar
Post race food & socializing

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 at a permanent park facility.

6:00 PM – Packet pickup / race day registration begin
7:00 PM – 54 Km Start Time
7:30 PM – 27 Km Start Time
8:00 PM – 10 Km Start Time
12:00 AM – Cutoff to continue on the final long loop.
3:00 AM – Cutoff to continue on the final short loop.
4:05 AM – Moonset
5:00 AM – Final Cutoff

Moon Phase
Waning Gibbous- 91% Illumination
4:05 AM – Moonset

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 afternoon/evening 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.

Race Timing
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 bib.  Please do not crease or fold your timing chip in any way, or we may not record your time.  Each relay team will share one bib, connected to a bib belt for easy transfer.

Drop Bags & Crews
Drop bags are only allowed at the start/finish line. There are no provisions to haul drop bags out to the remote aid station. Crews are welcome to assist their runner at the start area only.

Pacers are allowed for the 64k  starting with the fourth loop (37k).  Pacers are not allowed for any other distance or for relays.

For the safety of all runners, no pets are allowed on-course at the night runs.  Any pets at the race must be on a leash at all times, respect park rules, and be supervised.

Aid Station Helpers
Sign Up Here

Course Markings
The race courses will be well marked with orange plastic ribbons with black polka dots, reflective markers and glow lights. Trail junctions and turns will be well marked with laminated signs. 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 course. 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 the Four Peaks Staging Area.

Black Diamond  Nathan

Entry Fees

Until 4/3 Until 5/1 Until 5/26 After 5/26
10 Kilometer Solo $35 $40 $45 $50
27 Kilometer Solo $45 $50 $55 $60
54 Kilometer Solo $60 $65 $70 $75

Goodies guaranteed on race day if registered by 5/1, otherwise will be sold on race day if available.

Entrant Limit
800 Runners

Registration Options
Online through
Mail-In Entry
Online registration closes on 5/26 at midnight. Registration available after at packet pickup and race day.

We provide an option for those without a team to still sign up for the relay.  On Ultrasignup, select the random team option and we will assign you to a relay team two weeks from the start of the race.


For overnight camping outside the race, McDowell Mountain Regional Park offers 76 individual sites for tent or RV camping. Each site has a large parking area to accommodate up to a 45′ RV and is a “Developed Site,” with water and electrical hook-ups, dump station, a picnic table and a barbecue fire ring. All restrooms offer flush toilets and showers. The south loop of the campground also offers handicapped-accessible restrooms. All sites in the campground may be reserved online at

Bib/Shirt Pickup

Thursday, May 28
Packet Pickup 4:00-7:00PM
Group run 5:30-6:30PMi-run-logoiRun Phoenix
4730 E. Indian School Rd. #125
Phoenix, AZ 85018
(602) 368-5330
Friday, May 29
Saturday, May 30
Race Day Pickup 6:00-7:45PM
McDowell Mountain Regional ParkMcDowell - full

Course Info

The course features two loops.  The short loop runs along the Lousley Hills ride on the Scenic Trail, while the long loop takes the brand new, twisty and turny Escondido trail.  Both will offer stunning views of the McDowell Mountains and a mesmerizing  view of the course as a stream of headlamps move throughout the night.  Both courses will join up partway through, returning to the start line together.

Short Loop Length: 10 KM (6.2 Miles)
Long Loop Length: 10 Miles


10 KM| Elevation Profile | GPX
27 KM | Elevation Profile | GPX
54 KM| Elevation Profile | GPX

10K Elevation


27K Elevation


54K Elevation


2014 | 64 Km | 27 Km | 10 Km | The 3 Relay | The 6 Relay
2013 | 65 Km | 26 Km | 13 Km

64 Km | Male – Sion Lupowitz – 5:16:10 | Female – Magi Redlich – 6:39:43
27 Km | Male – Julio Palma – 1:57:49 | Female – Christine Voita – 2:20:20
10 Km | Male – Luis Cova – 40:28 | Female – Theresa Aragon – 45:11
The 3 Relay | Team Jarritos – 5:40:29
The 6 Relay | Citius – 5:23:43

Overall Awards
Awards to top male and female in each race.

Finisher Awards
All runners will receive a finisher award upon completion of the race.


The closest airport is Phoenix Sky Harbor (PHX) which is a 55 minute drive from the park. Coming from Phoenix, take the Loop 202 East to Country Club Drive/ Hwy 87. Turn left and drive north for 12 miles and turn left on Shea Blvd. Travel .6 miles and turn right on Saguaro Blvd. Take this 4 miles until it ends at Fountain Hills Blvd and turn right. Continue on Fountain Hills Blvd as it turns into McDowell Mountain Drive and look for signs to turn left into McDowell Mountain Park.


Use the below address to find your way to the park!

16300 McDowell Mountain Park Dr.
Fountain Hills, Arizona 85255