Race Information

Saturday, November 13, 2021
Robinette’s Apple Haus & Winery, Grand Rapids, MI
9 am



Pick from two very fun and challenging trails. No need to decide until right at the start. Expect to run a lot slower than your normal road 5K time. You’ll suffer (a bit) and you’ll love it. The trails are test run and shortened or lengthened until they both take the same amount of time to complete. Which one will give you an advantage?

Short & Brutal. 3.1 miles. It’s a roller coaster of a course with some severe climbs and descents in Provin Trails – including a sand dunes (in the middle of Grand Rapids?!) and the Wicked West Ridge. Make it through these challenges in one piece and then you’re faced with the rugged, rooty Robinette’s north woods trails. From there, it’s a wild grande finale as you must make your way through the cornfield maze.

Long & Difficult. 3.3-3.4 miles. Starts with a nice warm-up through the south orchard before crossing over 4-Mile Road to tackle Robinette’s north woods. Lots of ups, downs and turns, quite rooty at times. Join the Short and Brutal racers with a fun dash through the corn, using the corn maze trails or bushwhacking through them. You pick!


  • Finisher award: camp-style coffee mug
  • Fine food: Free homemade cider and doughnuts from Robinette’s!
  • Fast results: Chip-timed by Epic Race Timing. Results will be posted on site and on Epic’s website shortly after the race.


13 age groups. 14 & under, 15-19, 20-24, 25-29, 30-34, 35-39, 40-44, 45-49, 50-54, 55-59, 60-64, 65-69, 70+.

The overall winners under 40 and 40+ (masters) will win a handcrafted barnwood trophy and a sponsor prize. The top 2 in each age group will win a custom wood medal and a $15 or $10 Gazelle Sports gift card.

Not sure if you signed up? Looking to see if a friend (or rival) is racing? Click on Who’s Registered here.

Robinette’s Apple Haus & Winery, 3142 Four Mile Rd NE, Grand Rapids, MI 49525

Registration is online only. We are not allowing any Friday or Saturday registrations. Information about deferments and transfers is found on the Register page.

To keep entry fees low, the shirt is an optional purchase. $15. Long sleeve, cotton/poly blend. Unisex crew-neck or women’s scoop neck.
Sizing Chart

(see the designs and order online or buy at check-in; pick up at check-in only)
Dirty Duel stainless steel pint, $12
Dirty Duel sticker, $2
Hoodie, $30
MI Adventure Racing long or sleeve tech shirt, crew or v-neck, $12
MI Adventure Race headwear-buff, $12


No Friday check-in

7:30-8:40 am      check in at Robinette’s
8:40                    leftover shirts up for sale, exchange shirt sizes
9:00-9:15            race starts (many waves)
9:20-11:00          start serving donuts, cider, bonfire
10:15-11:00        awards ceremony, raffle

Robinette’s has parking both south and north of 4 Mile Rd. Please first try to park in the gravel lot on the south side, next to the gift barn.

Pick up your race number. Attach your number on the front of your front side, outer layer. Please don’t cover it up or the chip timing may not work. Come with your race number to help keep lines short. We’ll provide your race number via email the day or two before the race.

Portajohns are located at the start/finish only, between the Apple Haus and Gift Barn, behind the check-in canopies. Please do not use Robinette’s bathroom due to septic limitations.

sand dune cropped 626w

Weather, COVID
Race organizers reserve the right to cancel the event in the case of COVID conditions or extended severe weather. We will do everything possible to get the event in, but refunds are not available if it is cancelled due to significant costs we must pay in advance of the race.

Each race course will have one aid station with water and Gatorade.

Arrow signs (and possibly sprinkler-type flags) will be used to mark the course. Keep flags on your right. Be aware that sometimes the course may veer off the main trail. It’s your responsibility to follow course markings or your time and place will not count.

Ear buds/music is not allowed due to safety issues of not hearing sheriff offices at road crossings, volunteers, or runners who want to pass. Dogs are not allowed (except with spectators, leashed).

We use dozens of wave (ripple) starts to reduce congestion. Look for the pace group signs to help you start with the correct pace group for your speed.

First wave, 9:00 am: fastest 20-30 racers

Middle waves: 20-30 racers every 20-30 seconds (approximate)

Last wave, 9:10-9:15 am (approx): remaining runners and all walkers

The fastest runners must be in the first wave so you are directly racing against your competition. For men who have done last year’s race, first wavers are considered under 26 minutes or sub-19 minute road 5K PR. For women, 32 minutes or under for last year or sub 24-minutes for a road 5K PR. Walkers and run/walk participants must start at the back of the last wave.

The first section on each course will be two or three wide and will allow you to get into a proper position based on your pace. Short & Brutal will have fewer chances for easy passing in the second half of the course, but just communicate with the runner in front of you when you want to pass and give a burst of speed to get by when vegetation or obstacles lighten up on the side.

We would encourage you to invite friends and family to watch the race. We will post race maps so spectators know your route and can cheer you on from along the course if they wish (please watch for racers at all times). Please make sure dogs are on leash.

Awards and raffle prizes will be given out at a ceremony following the race. And of course help yourself to some free homemade cider and a legendary Robinette’s donut. Once everyone has had a crack at the donuts, you can grab another. We offer no saloon, although Robinette’s does sell some tasty wine.

Hopefully back this year: bonfire! Warm your chilly, sweaty bodies at our bonfire, back by the bounce pad.

Our charity partner for the Dirty Duel is Camp Anew, a branch of Starlight Ministries, that provides support specifically to children and teens ages 7-17; it is a place where campers will experience the value of gathering with other children who have experienced grief. Campers share their stories, capture memories, discuss their feelings, and have fun! Camp Anew is a biblically based Grief Camp operated at Warner Memorial Camp.

Thanks to Robinette’s for hosting and to Kent County Parks for the use of Provin Trails and the Kent County Parks Foundation for helping expand and enhance our park and trails system. To support Luton Park and all our great Kent County parks by volunteering or donating, visit the Kent County Parks Foundation.

Questions? www.facebook.com/dirtyduel is a great place to ask questions and get answers so others can learn from your question. For questions specific to you, email Mark VanTongeren, race director.