May 26, 2018
Murrell Park, Flower Mound, Texas
Race Start: 5:30 p.m. (13.1m) / 6:30 p.m. (15k) / 7:30 p.m. (5k) **evening runs**
Choose from a 5k, 15k or 13.1 mile trail run on the Northshore Trail of Lake Grapevine. This race is part of the XTERRA Trail Running Series—some of the most recognizable, enjoyable, sometimes-rooted, sometimes-rocky, sometimes-sandy, tree-ducking, creek-crossing, hill-climbing, dirt-on-your-shirt, sweat-in-your-eye trail runs on the planet.
Bring a headlamp or flashlight. You will be following a course of reflective arrows to help find your way! The trails can be rocky and technical in spots, so bring your sense of adventure.Register for the XTERRA Rock Dallas Trail Runs
Recognition of Your Awesomeness
- Overall: Male & Female for each distance
- Overall: Male & Female Masters (40+) for Half Marathon only
- Physically Challenged Open Male/Female – 1 deep
- Age Groups: – 3 Deep
- Finisher Medal to all finishers
*Age-group awards are based on racing age on August 31, 2018 per XTERRA rules.
Males: 9 & Under, 10-14, 15-19, 20-24, 25-29, 30-34, 35-39, 40-44, 45-49, 50-54, 55-59, 60-64, 65-69, 70-74, 75-79, 80+
Females: 9 & Under, 10-14, 15-19, 20-24, 25-29, 30-34, 35-39, 40-44, 45-49, 50-54, 55-59, 60-64, 65-69, 70-74, 75-79, 80+
$40 until 11:59 p.m. (CST) May 5
$50 until 11:59 p.m. (CST) May 25
$60 On-site Registration (4:30-7:15 p.m)
$60 until 11:59 p.m. (CST) May 5
$70 until 11:59 p.m. (CST) May 25
$80 On-site Registration (4:30–6:15 p.m.)
13.1mile Half Marathon:
$80 until 11:59 p.m. (CST) May 5
$90 until 11:59 p.m. (CST) May 25
$100 On-site Registration (4:30–5:15 p.m.)
Athletes <18 years old get $10 off the above pricing.
Race is limited to 200 racersRegister for the XTERRA Rock Dallas Trail Runs
Thursday, May 24
Course open for riding, will be tentatively marked by 4:00 p.m.
Friday, May 25
Packet Pickup and Late Registration
Course open for running ALL DAY. Start/Finish line area is not open for cars. You will have to park in the normal parking area by the Guard Shack and ride your bike down to transition area.
Saturday, May 26
Check-in or On-site Registration
Murrell Park, follow signs after entering at guard gate
-Pre-race brief – 10 minutes before each race start. After passing through the guard shack entrance, follow the race signs to our volunteer working the “normally locked” park gate. You will park and walk to the starting line at the second old boat ramp.
Mandatory Pre-Race Briefing
10 minutes before each race start
5:30 p.m. 13.1 mile
6:30 p.m. 15k
7:30 p.m. 5k
~8:30 p.m. 5k
~8:45 p.m. 15k
~9:00 p.m 13.1m
Park Closes at 10 p.m.
Park closes at 10 p.m. Everyone must be packed up and out of park by 10 p.m., unless you are a registered camper in one of their sites. The guard gate locks automatically at that time.
Murrell Park, Flower Mound, Texas
Murrell Park is located on the north side of Lake Grapevine and is operated by the Army Corps of Engineers. This park sits on the bluffs of the north shore overlooking the main lake.
Day use is Free at Murrell Park.
Camping is available for $10/night. However, it is Memorial Day weekend, and reservations are required. Reserve early at Reserve America
These are night runs! You must You must have a headlamp or flashlight and a backup light is strongly recommended. The course will be marked with reflective arrows that will be easy to follow at night with your headlamps turned on. 5k runners can opt to run with or without a light. Most 5k runners should finish before dark. If your pace is slower than a 25 minute mile, you need to carry a light. Sunset is at 8:28pm.
Our aid stations are stocked with Gatorade and water. We have gone green and aid stations will not be stocked with cups. Please carry your own hydration pack to refill at the aid stations. We’ve heard other races fill packs for you, ice you down, shove Pringles in your mouth—we think that’s very nice of them, but we come from the land of grit. The land of self-sufficiency. This is your race, be prepared to take care of yourself.
5k Trail Run
1 partial counter clockwise lap of the DORBA trail loop 1. All Fast & Flowy single track.
Aid Station at Park Road 5 (1.7 miles into course)
15k Trail Run
1 counter clockwise lap of the DORBA loop 2 and half of Loop 3, then finish loop 2 and partial Loop 1 back to finish. All single track. Fast & Flowy.
Aid Stations (4) Every 2-2.5 miles beginning at mile 2.7
13.1mile Trail Run (Half Marathon)
1 counter clockwise lap of the DORBA loop 2 to 3, back on 2, then Loop 1 to 5, back on 1 to 2 to finish. All single track. Fast & Flowy.
Aid Stations (6) Every 2-2.5 miles beginning at mile 2.7
NO LITTERING THE COURSE. KEEP THE PARK BETTER THAN WE FOUND IT.
*Right to Cancel or Reschedule – Terra Firma Racing LLC reserves the right in the event of inclement weather, emergency, or natural disaster to cancel the race or move to a later time that day or alternate date within the year (if available). In the event of a CANCELLATION with no ability to reschedule, there will be NO REFUND OF ENTRY FEES. Each athlete must accept any such risk for their entry paid.