22 Aug 2020
Early bird registrations
11 Jun - 27 Jul 11:59 pm
Normal registration
Deadline 21 Aug 11:59 pm

Sub Spectrum: Woodstock Open

sub Spectrum - woodstock open

Location: Franklin Jr. High - 4801 Franklin Avenue, Des Moines, Iowa 50310

Doors Open: 8:00 AM | Event Starts: 9:00 AM


Early Bird Registration (Register before July 27th at 11:59pm): $100 (1 or 2 Division)

Late Registration (Register before August 18th at 11:59pm): $120 (1or 2 Divisions)

Absolute (Add for $25) - You must register for at least one regular division to participate in the Absolute!

PRE-REGISTRATION IS REQUIRED! We do not take late registrations or registrations the day of the event!


Kids/Teens - https://www.subspectrumbjj.com/kids-teens-rules/

Adults - https://www.subspectrumbjj.com/adult-rules/


Kids/Teens: 45 lbs, 55 lbs, 65 lbs, 75 lbs, 85 lbs, 95 lbs, 105 lbs, 115 lbs, 125 lbs, 135 lbs, 145 lbs, 145+ lbs

Adults: 135 lbs, 145 lbs, 155 lbs, 170 lbs, 185 lbs, 205 lbs, 230 lbs, 230+ lbs


Sub Spectrum utilizes a Round Robin format for all regular Kids, Teens, and Adult divisions capped at 5 competitors! This means that you will be able to compete in multiple matches regardless of outcome! We believe in giving you what you paid for, competitive submission grappling experience!

All absolute Divisions will utilize a Single Elimination format.


Weigh-ins will take place on the day of the event. Doors will be open at 8:00 AM. You must be weighed-in and checked in at least 60 minutes prior to the scheduled start time for your division(s)! You will only need to weigh in once if you are competing in multiple divisions and you WILL NOT need to weigh in wearing your gi.


The list of competitors will be available to view throughout the registration period on the "Registrations" tab of the event page. In the event that we are not able to place you in a fair division, you will receive a full refund or the option to transfer your registration credit to a future event.

Brackets & Schedule:

Event brackets and schedule will be available to view on the event page (Brackets and Schedule tab) at the very least 24 hours prior to the event! Brackets and Schedule will be available to view on television screens set up at the event, as well as on your mobile device!

Registration Edits:

You will have until 11:59 PM the day after registration closes to make any necessary changes to your registration. Changes can be made by logging into your account and editing your registration details. After this time, you WILL NOT be able to make changes to your registration. 

Awards and Podium:

1st (Gold), 2nd (Silver), and 3rd (Bronze) Place medals will be awarded for each division! Medalists will be photographed on the podium and photographs will be available to view on the Sub Spectrum website - www.subspectrumbjj.com


Results will be updated LIVE throughout the event and displayed on the "Result" tab of the event page!


Refunds will only be issued during the Early Bird Registration period. Once the Late Registration period has begun, refunds will only be issued in the form of credit, which can be used at any future event!

Medical Staff:

There will be a professionally trained and certified medic on sight for the event. The Medic will be available for competitors to receive ice, evaluation, and advice in the event of an injury. 

Event Workers:

We are always in need of experienced referees, event staff, and competitors to assist with the event! Email us at [email protected] to apply!


Franklin Jr. High »
4801 Franklin Ave
Timezone: America/Chicago


  • Kids Gi 120 USD
    17 and under
  • Kids No-Gi 120 USD
    17 and under
  • Adult Gi 120 USD
    18 and over
  • Adult No-Gi 120 USD
    18 and over
  • Absolute Gi 25 USD
  • Absolute No-Gi 25 USD