Blacklight Volleyball


Age:  21+ event

Fee:  $85.00 per team ($15 alchol permit)

Date:  October 24

Days:  Saturday

Times: Begins at approx 10am

Teams for this tournament will be 6 vs 6 Coed.  Games will be played in the dark with black lights so be sure to wear something bright so it will glow!  Alcohol permits are available to purchase for $15.00.  This tournament is located at the RFCC.

Kids Night Out


Age:  2-12 years old

Fee:  $15 first child, $10 siblings

Date:  November 6

Days:  Friday

Times:  5:30-8:30 p.m.

Yes, yes, yes, this is a fun night for the kids... BUT it's also a night for the adults!  Drop your child off from 5:30-8:30 p.m. for a night of activities and a pizza party while you go out on the town for a few hours.  We'll take great care of your little ones until you come back! Registration deadline is the Wednesday before the event.



Age:  12+ years

Fee:  $20

Date:  October 3

Days:  Saturday

Times:  Heats begin at 9:00 a.m.

We are putting a fun spin on our normal Triathlon... there will be nothing normal about this event for sure!  First you start with a 20 minute jog/walk with a twist, then a 20 minute dance party on the cycle bikes, and lastly, a 20 minute River Walk against the current.  Only register if you are ready to have some fun!!

Cornhole League


Age:  16+

Fee:  $100 per team / $115 w/ alcohol permit

Date:  Begins December 4th

Days:  Friday Nights

Times: TBD

This League will be an Adult Recreational league, Ages 16+ only may participate. All matches will be played in doubles (Teams of 2) however teams may list up to 4 participants on their team to serve as substitutes. Matches length and scoring will be emailed out. Alcohol will be allowed for this league - all participants wanting to consume alcohol must purchase a $15 Alcohol permit. All matches will be played at the Raymond Family Community Center

Rendezvous Run







Join us for the 29th annual Rendezvous Run during Fort Union Rendezvous Days. Choose between a 1-mile kids race, 1-mile Fur Trader Run (dress as fur trader), 5k Walk, 5k Run, 11k Run, and a Half Marathon. Pre-register online to save $10. *Onsite registration will be available but will not be able to guarantee a t-shirt and will not be given a time chip for the race.  Prizes and medals for the top three finishers for each race and age category.  Immediate family members can register as a group (includes up to two adults and four children). 

Race Day:  June 2021

5K Bakken Xtrek


Age:  12+

Fee:  $65 ages 16+, $35 ages 12-15

Date:  August 29th

Days:  Saturday

Times:  Heats begin at 1:00 p.m.

Mon-Dak's Filthiest 5K is here!  You are going to get wet and you're going to get dirty!  It's more than just a run, it's a party with events, music, a meal and drinks.  Start waves will be every 30 minutes and waves are specified by competitive runners, families, youth or individuals.

Questions?  Please email 

Youth 1 Mile Xtrek


Age:  4-12 years old 

Fee:  $15 per participant

Date:  August 29

Days:  Saturday

Times:  Heats begin at 10am or 1pm

Get ready little athletes of Williston!  It's time for you to get muddy in our dirtiest Bakken Xtrek ever!  (We say that every year but we are serious this time!) ;)  We have some new obstacles this year and there are some unique twists to this fun event.  

During the Toddler Race your parents are welcome to run with you!

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