RATS 50 mtb


RATS 50 Endurance MTB Race

Eagle, CO
September 20, 2020

Updated 8/27/20

Things to know for 2020 Mountain RATS document.

Updated 7/31/20

Here is our full list of safety protocol for the Mountain RATS Festival.

Updated 7/24/20

We’re excited to bring the 2020 Mountain RATS Festival to Eagle, CO. We are grateful to have this chance to celebrate the Eagle outdoor community. We will have a full list of protocols and rules to make this event go off in a triumphant and respectful manner. As the pandemic continues to evolve, there is a strong chance some of these protocols will too.  We promise to communicate any changes via email, social media and our website – but it is ultimately your responsibility to read, understand and follow the full list. 

This is a friendly community based event. Politics has no place here in relation to these rules. Our ability to hold these races is contingent on following these safety rules put into place. If you do not wish to abide by the rules you will be asked to leave the venue. This is a chance for all of us to get off social media, enjoy the mountains and challenge ourselves. We can accomplish this if we’re able to ensure everyone is following county health guidelines.

Here is a summary of the main points:

  • ALL participants (runners & volunteers) are required to:
    • Sign a COVID-specific waiver
    • Wear a mask at all times, except when 1) running 2) eating/drinking
  • Limited Menu & Service at Aid Stations
  • Crew and Spectators Strongly Discouraged
  • Modified Awards Ceremony
  • Wave Starts 

Updated 7/15/2020

2020 Races are a go!

We’re continuing to closely monitor local regulations and recommendations for the September Mountain RATS events in the town of Eagle. Health and safety is our number one priority and this extends to racers, volunteers and staff. At this time we are very optimistic for the Mountain RATS Festival. The town of Eagle is currently cleared for gatherings of up to 175 people and we will begin letting people off the waitlist on July 15th.

With the current regulations and number of participants registered and on the waitlist, we are expecting everyone will be able to race. However, there is always the possibility that as restrictions change we may have to cap the number of entrants. If this becomes the case, we will be using the following criteria on a first come, first served basis that will be determined by the date your Mountain RATS registration was received.

Entrant priority:

1. Racers who transferred from Desert RATS Trail Running Festival, Rabbit Valley Half and Desert RATS Classic before May 1st
2. Racers who registered for Mountain RATS with waitlist status (in the event that the races have to be postponed to 2021 we will allow the 85% deferral option as stated in our refund policy on UltraSignup)
3. Racers who transferred from other races May 1st or after.

We feel very fortunate to have such great news from the town of Eagle and will keep you updated on what the event will look like. The town is doing an amazing job of managing health and safety. We can’t wait to see you all in September!


2020 Registration is OPEN!

A Colorado end-of-summer outdoor celebration! Come celebrate the beginning of fall in the mountains with a mountain bike challenge! An exciting weekend of festival fun and adventure on the trails near Eagle, Colorado. With the start/finish line right in the heart of Eagle friends and family can enjoy themselves while you ride this rugged 50K mountain race. Enjoy a weekend of relaxing with a beer, hot meal, music and a massage at the recovery station. Join the runners at the Saturday night party!
Experience uphill grinds and beautiful singletrack. This fun 50K course is a great test of stamina and gives a culmination of summer training. With the combination of many short ups and downs and a couple big climbs, this event will definitely test your fitness. Racers will have three aid stations and will receive a finisher’s memento and age group awards.

Proceeds will benefit The Cycle Effect, a local non-profit with the mission to empower girls through mountain biking.
Our packet pickup and start/finish area will be well provided for by our incredible sponsor – Color Roasters.
In order to be environmentally friendly and cut down on the amount of trash we produce, we will not have cups at the aid stations. Please carry a water bottle on the course.

Our host hotel for the weekend events will be announced soon. There will be group discounts!

Start/Finish Area and Parking
Color Roasters (717 Sylvan Lake Rd) will host the packet pick-up. The start/finish line will be on the grass next to the store in the heart of town. Your race number and packet will be available at this location Friday night and Saturday morning.

Parking will be at the Brush Creek Elementary School parking lot. It is located at 333 Eagle Ranch Rd, Eagle, CO 81631 and is a very short walk across the street to the start/finish area.


This race will have a 7 hour cutoff for official finishers. Anyone completing the course after this time will receive an unofficial time up to 8 hours.

There will be a cut-off at mile 17.5 where racers will not be allowed to go into the second loop if they don’t get there by 12:30. Riders will be asked to ride 1.7 miles to the finish line.


January 1 – June 30: $75

July 1 – Sept 17: $85

Race Day: $95

Finish Line
All registered racers will get their choice of a free beer or Color Roasters coffee.

Weather in Eagle can vary. The averages for September are a low of 42F and a high of 73F degrees.

Finisher’s mementos will be handed to you as you cross the finish line and awards will be given out at our Awards Ceremony (details TBD).
Don’t miss out on a chance to win raffle prizes and socialize with other runners.
Men’s & Women’s winners will receive comp entries to next year’s races.
Customized cowbell awards will be given to the top three male and female finishers in each race in each of the following age categories:
Sport: Under 29, 30-39, 40-49, 50+, Single Speed
Racers will receive customized dog tag finisher’s awards as they cross the finish line. Awards and mementos will not be mailed after the event.

There will be emergency vehicles throughout the event and all necessary materials to nurse any bumps, cuts, bruises, or blisters will be at the start/finish area. In addition, a certified Emergency Medical Technician will be in attendance. Aid stations will NOT have aspirin, ibuprofen or other NSAIDs.

Staying on Course
Racers must stay on the designated course. Short-cutting will result in a disqualification. If you go off course, you must return to the same point you exited in order to continue.

Unforeseeable Circumstances
In the case of unforeseeable circumstances due to weather or other extenuating circumstances that prevents the safe continuation of the race, race officials may end the race at any given time. This rule will be implemented in the most extreme cases for the safety of the riders or officials with no refund of unused portions.

Local Laws
Federal, State, and County laws and ordinances must be followed at all times.

Transfers & Cancellations
There will be no entry transfers. If you regrettably need to cancel your registration, please use UltraSignup. Cancellations are given credit of their registration payment toward any Gemini Adventures event within one year’s time, minus a 15% fee. Login to your account, go to Registration History, “Edit Order” for the event, and Cancel Registration

Refund Policy
30 Days or more prior to the Event: 85% credit of registration fee (excluding UltraSignup fees).
Less than 30 days prior to the Event: No refunds or credit given.
Credits may be applied to any future Gemini Adventures race and will be valid for 12 months.
Registered runners may also switch between distances. No refunds or credit will be given for dropping down in distance. If stepping up in distance, the added current pricing of the longer distance will be charged (excluding Ultrasignup fees).
To request credits, log in to your UltraSignup account, and go to Registration History. Select “Edit Order” for the event, and scroll to the bottom of the page where Cancel Registration is linked. Follow the prompts.


The Mountain RATS course will be challenging, beautiful, and almost 100% dirt.
Aid Stations
We will have three aid stations located throughout the course.
Aid Stations will have: gels, potato chips, peanut butter and jelly rolls, chocolate, bananas, ice water and Tailwind.
To reduce waste, cups will not be provided at the aid stations.
Aid stations will NOT have aspirin, ibuprofen or other NSAIDs.
31 mi with 6500’+ of climbing
Low Point 6607′ – High Point 9142′

The Mountain RATS 50K starts in the heart of Eagle, next to Color Roasters. Racers begin by riding 2 miles on the bike path along Eagle Ranch Road and Haystacker Drive, where a right turn onto the Turniphead Trail marks the start of dirt miles until the finish.
Just shy of a mile after turning onto dirt, riders pass through the Arroyo trailhead, at mile 2.4. From Arroyo, the course continues steadily up, first on double track on Third Gulch Trail, then veering left onto singletrack on Pipeline Trail. Throughout this climb, riders travel from sage-covered high desert into beautiful aspen groves on the Pipeline Trail. 1300 vertical feet above Arroyo, runners reach aid station #1, Firebox, at mile 6.5.
Racers leave the aid station and continue uphill on Hardscrabble Road briefly to a hard right turn onto Firebox Road. After 2 miles with some steep climbs through forest and pastureland on Firebox Road, riders veer left onto singletrack and descend to toward Dead Cow.
A steep but short climb awaits riders as they leave the aid station onto Mike’s Night Out. The course rewards with sweeping views as it continues on Mike’s Night Out, gently descending to aid station #2, Spring Creek, at mile 13.0. A short and beautiful ride on Itch will take you to the World’s Greatest downhill much of which is fast and flowy and some is just steep.
After a sharp left turn at the Schoolhouse trail the course brings you back up to the Spring Creek aid station through Star Wars and easy Rider. After Reaching Spring Creek #2 riders once again get to experience World’s Greatest.
From here, the fun isn’t quite over, as the course heads up one final 200-foot climb. From the top of this punchy climb, the trail makes a serpentine descent to the Horton Street Trailhead. Riders head down the neighborhood street and turn left onto the bike path. A short 0.4 miles along this path lead to the finish line and after party at Color Coffee Roasters.



Weekend Race Schedule
5:00-7:00p- Packet Pick Up at Color Roasters (Online registration will be available from your phone)

6:00-8:45a – Packet Pick-Up at Start Line (Color Roasters) There will be no race day registration this year.
7:00a-7:07a – 55K Ultramarathon start Wave #1 (Under 20, 20-29)
7:10a-7:17a – 55K Ultramarathon start Wave #2 (30-39)
7:20a-7:27a – 55K Ultramarathon start Wave #3 (40-49)
7:30a-7:37a – 55K Ultramarathon start Wave #4 (50-59, 60+)
7:40a-7:47a – Marathon start Wave #1 (Under 20, 20-29, 30-39)
7:50a-7:57a – Marathon start Wave #2 (40-49, 50-59, 60+)
8:00a-8:07a – Heavy Half start Wave #1 (Under 20, 20-29)
8:10a-8:17a – Heavy Half start Wave #2 (30-39)
8:20a-8:27a – Heavy Half start Wave #3 (40-49)
8:30a-8:37a – Heavy Half start Wave #4 (50-59, 60+)
5:00p – Marathon/55K cut-off (based on wave start time)

7:00-8:00 – Packet Pick-up at start line (Color Roasters) Race day registration will be available on your phones only to avoid a logjam of people at packet pick up.
8:00a-8:07a – RATS50 Mountain bike start Wave #1 (Under 20, 20-29, 30-39)
8:10a-8:17a – RATS50 Mountain bike start Wave #2 (40-49, 50-59, 60+)
9:00a – Eagle 5K start Wave #1 (Under 20, 20-29)
9:10a – Eagle 5K start Wave #2 (30-39, 40-49)
9:20a – Eagle 5K start Wave #3 (50-59, 60+)
3:00p – RATS50 Mountain bike cut-off