March 20-21, 2004, at Fort Mason Center in San Francisco, CA:
11 Countries, 31 Events, 173 Teams, 414 Entries, 430 Robots, and 547 Engineers
Previous year's results: 2023, (Covid break), 2018, 2017, 2016, 2015, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, and 2004. Check out videos from previous events or view photos here.
| Gold | Silver | Bronze | |
| Combat: | |||
| 340 lbs | USA - The Judge | USA - Tombstone | USA - Ouch! |
| 220 lbs | USA - Megabyte | USA - SJ | USA - Vicious Circle |
| 120 lbs | USA - Max Wedge | USA - Devil's Plunger | USA - Stahl |
| 60 lbs | USA - Hexy Jr | USA - Smashbox | USA - New Attitude |
| 30 lbs | USA - Helios | USA - Sunflower | USA - Killabyte |
| 12 lbs | USA - Mr. Shadow | USA - Solaris | USA - Dandelion |
| 3 lbs | USA - 8-Hour Misfit | USA - Wallop | USA - Riptyde |
| 1 lb | USA - MicroNightmare | USA - Jimmy Crack Corn | USA - Senior PITA |
| Soccer: | |||
| Mirosot 5:5 | Slovenia - Ljubljana Dragons | Germany - Dortmund Droids | Korea - KingGo |
| Humanoid | Korea - Kibot | Canada - Tao-Pie-Pie | - |
| Sumo: | |||
| 3kg - auto | Japan - TMR-T6 | Japan - Bofu | Japan - TMR-N7 |
| 3kg - R/C | Japan - Fujin | Japan - RPS-13 | Japan - Raimei |
| 500g - auto | Singapore - Returner | Canada - Sumovoracious | Canada - 2Strong2Bad |
| 100g - auto | USA - Mousetrap | USA - Fred | USA - Sprite |
| 25g - auto | USA - Cyclops | - | - |
| Robo-One: | |||
| Kung-Fu (LightWt) | Japan - Hajime | Japan - A-Do | Japan - Yokozuna |
| FreeStyle/Acrobatics | Japan - Yokozuna | Japan - A-Do | Japan - Hajime |
| Biped Race | Japan - Hajime | Japan - Weird 7 | Japan - Baruki |
| Open: | |||
| Fire-Fighting | USA - Zippo | USA - Snuffy | USA - FlameOut |
| Maze Solving | USA - A-mazing | - | - |
| Walker Challenge | UK - Ziggy | USA - Taylor | Canada - Tinman |
| The Line Slalom | USA - Ben Hur | USA - LineX | USA - R3-D3 |
| Ribbon Climber | USA - Racing Slug | USA - Straight Up | USA - Free Climber |
| Lego Challenge | USA - SSU-LineBot | USA - Speed Demon | USA - In & Out |
| Lego Open | USA - Full Contact | UK - Flik | USA - LegWay |
| Best of Show | USA - Bender | Japan - Hajime 9.5 | Canada - ORF-A1.4 |
| BEAM: | |||
| Speeder | USA - Pig Newton | USA - Parahelion | USA - Photon |
| Photovore | USA - Rummy | USA - Pooter | - |
| Junior League (<18 yr old): | |||
| 500 g Sumo | USA - Robo Raptor | USA - White Fang | USA - Grinder |
| 120 lb combat | USA - The Mortician | USA - Jimmy | USA - MowBlow |
| Woots & Snarks | USA - TBA | - | |
| Medal Count | |||
| USA |
22 | 18 | 17 |
| Japan |
5 | 6 | 5 |
| Canada |
0 | 2 | 3 |
| UK |
1 | 1 | 0 |
| S. Korea |
1 | 0 | 1 |
| Singapore |
1 | 0 | 0 |
| Slovenia |
1 | 0 | 0 |
| Germany |
0 | 1 | 0 |
| Australia |
0 | 0 | 0 |
| Belgium |
0 | 0 | 0 |
| Spain |
0 | 0 | 0 |