UPDATE: The rules have been updated to include only an expanded Time Trial portion of the competition for the 2020 Robofest Online World Championship (ROWC) Bottleevents scheduled for September 25 (Jr) and Septmber 26 (Sr Divisions), 

Teams of up to 3 students can compete in the ROWC BottleSumo Time Trial in one of three divisions:

  • Senior Unlimited: 9th ~ 12th Grade: Any platform and programming language. 

  • Senior Classic: 9th ~ 12th Grade: LEGO EV3, LEGO NXT and VEX IQ platforms.

  • Junior: 5th ~ 8th Grade: LEGO EV3, LEGO NXT and VEX IQ platforms. 


BottleSumo TIME TRIAL for Robofest Online World Championship - Official Rules and Related Documents:

NEW!  2020 Initial ROWC BottleSumo Time Trial Rules  (PDF | PPTX)

Coming Soon - Final ROWC BottleSumo Time Trial Rules (PDF | PPT)

Coming Soon - Pre-Event Checklists for ROWC BottleSumo Location Judges (Jr Division - PDF  | Sr Divisions - PDF)

Coming Soon - ROWC BottleSumo Time Trial Event Slides/Agenda (PDF)

Time Trial Scoresheets (PDF)

Unknown Start Examples (PDF

We hosted a Mock Online BottleSumo Time Trial Competition on June 23, 2020. See the Summary Videos here:    9 min version      |      29 min version                                    

Rules for starting teams, registration and team responsibilities at competitions can be found in the General Rules on the 2020 Main Page.

Each team member, as well as the coach and other adult volunteers, must bring the signed Robofest Consent and Release Form on the day of the event if not completed on line.

‚ÄčArchive of 2019-2020 Prior Versions of Rules and Examples: These documents were published prior to the accouncement of the Robofest Online World Championship BottleSumo Time Trial Rules Change and should be used for reference only:
BottleSumo Robot Start Information Example (PDF)
BottleSumo Judging Example Videos:  Example 1-Bottle Intentional Push | Example 2-Robot Push | Example 3-"Sumocide"
Example 4- Unintentional | Example 5-Tie | Example 6-Tie  | Example 7-Fail to Start (Left Robot Loses)            
2020 Updated Final 2020 Season BottleSumo Rules - Released 2/24/2020 (PDF | PPTX)  
2020 First Official 2020 Season BotleSumo Rules - Released 1/11/2020 (PDF | PPTX
2020 US Kickoff BottleSumo Rules - Released 10/25/2019 (PDF | PPTX
2020 International BottleSumo Rules - Released 10/1/2019 (PDF | PPTX)