US J24 Class Association Allocation of World Championship Slots for 2020
| 2019 | # of slots | Qualifier Name |
| Great Lakes Championship | 1 | |
| Southeast Regionals | 1 | |
| Northeast Regionals | 1 | |
| Western Regionals | 1 | |
| Southwest Regionals | 1 | James Freedman |
| East Coast Championship | 1 | |
| Midwinter Championship | 1 | |
| US National Championship | 2 | |
| North American Championship | 1 |
US J24 Class Association Allocation of World Championship Slots for 2019
| 2018 | # of slots | Qualifier Name |
| District 1 Championship | 1 | Erica Beck Spencer |
| District 2 Championship | 1 | Mike Stasko for M. Marshall |
| District 3 Championship | 1 | Christopher Fischer |
| District 4 Championship | 1 | Stu Challoner |
| District 6 Championship | 1 | Chris Stone for M. Hillman |
| District 7 Championship | 1 | Travis Odenbach |
| District 8 Championship | 1 | Steve Shaw |
| District 10 Championship | 1 | Seth Rosenthal |
| District 12 Championship | 1 | Ryan Lashaway |
| District 14 Championship | 1 | Christopher Holmes |
| District 15 Championship | 1 | Dave Breitner |
| District 18 Championship | 1 | Frank Keesling |
| District 19 Championship | 1 | Scott Milne |
| District 20 Championship | 1 | Jasper Van Vliet |
| District 21 Championship | 1 | Todd Fedyszyn for D. Klatt |
| Northeast Regional Championship | 1 | Dan Cameron |
| Southeast Regional Championship | 1 | John Poulson for M. Liebel |
| Great Lakes Regional Championship | 1 | Tom Doran |
| Western Regional Championship | 1 | Pete Sauer |
| Southwest Regional Championship | 1 | James Freedman |
| Midwinter Championship | 2 | Tony Parker Aidan Glackin |
| North American Championship | 4 | John Mollicone Carter White Andrew Carey Mark Laura for S. Kirkpatrick |
| US Nationals | 3 | Jay Greenfield for N. Harden Al Constants for M. Coughlin Finn Hadlock for J. Smith |
| US National Champion IJCA berth | 1 | Robby Brown |
| All Women | 1 | Amy Woodard |
| All Youth | 1 | Matt Miranda |
| Boat Grant Program Replacement | 1 | Dan Busch |
Past Champions
| Year | Qualifier Name | Country |
| World Camptions | ||
| 2010s | ||
| 2019 | Will Welles | USA |
| 2018 | Will Welles | USA |
| 2017 | Rossi Milev | Canada |
| 2016 | Daniel Frost | Germany |
| 2015 | Ian Southworth | Great Britain |
| 2014 | Will Welles | USA |
| 2013 - 2010 | Tim Healy | USA |
| 2012-2009-2007-2006 | Mauricio Santa Cruz | Brazil |
| 2011 | Alejo Rigoni | Argentina |
| 2000s | ||
| 2008 | Andrea Casale | Italy |
| 2005 | Anthony Kotoun | US Virgin Islands |
| 2004 | Jens Hookanson | USA |
| 2003 | Lorenzo Bressani | Italy |
| 2002-2000 | Brad Read | USA |
| 2001 | Kazuyuki Hyodo | Japan |
| 1990s | ||
| 1999 | Vasco Vascotto | Italy |
| 1998 | Terry Hutchinson | USA |
| 1997 | Vince Brun | USA |
| 1996 | Chris Larson | USA |
| 1995 | Bill Fortenberry | USA |
| 1994-1993-1992-1991-1986-1985 | Ken Read | USA |
| 1990 | Jim Brady | USA |
| 1980s | ||
| 1989 | Larry Klein | USA |
| 1988 | John Kostecki | USA |
| 1987 | Francesco de Angelis | Italy |
| 1984 | David Curtis | USA |
| 1983 | Ed Baird | USA |
| 1982 | John Kolius | USA |
| 1981 | Mark Bethwaite | Australia |
| 1980 | John Kolius | USA |
| 1979 | Charlie Scott | USA |
| Past North American Champions | ||
| 2018 | Will Welles | USA |
| 2018 | Mike Ingham | USA |
| 2017 | Will Welles | USA |
| 2016 | Will Welles | USA |
| 2015 | Will Welles | USA |
| Past South American Champions | ||
| 2018 | Matias Pereira | Argentina |
| 2016 | Matias Pereira | Argentina |
| 2015 | Pedro Garra | Uruguay |
| 2014 | Mauricio Santa Cruz | Brazil |
| Past European Champions | ||
| 2018 | Ignazio Bonnano | Italy |
| 2018 | Peer Kock | Germany |
| 2017 | Keith Whittemore | USA |
| 2016 | Andy Taylor | Great Britain |
| 2015 | Duncan McCarthy | Great Britain |