| Most recent season or competition: 2019 Intermediate League World Series | |
| Sport | Baseball |
|---|---|
| Founded | 2013 |
| No. of teams | 12 |
| Country |  United States |
| Most recent champion(s) |  Petaluma, Northern California |
| Most titles |  Hawaii (3) |
The Intermediate League World Series West Region is one of five United States regions that currently sends teams to the Intermediate League World Series in Livermore, California. The region's participation in the ILWS dates back to 2013.
Alaska 
Arizona California (Northern) California (Southern) Hawaii 
Idaho 
Montana 
Nevada 
Oregon 
Utah 
Washington 
Wyoming As of the 2019 Intermediate League World Series.
| Year | City | ILWS | Record |
|---|---|---|---|
| 2013 | Nogales, Arizona | Not in Top 4 | 1–2 |
| 2014 | Nogales, Arizona (Host) | Champions | 4–0 |
| 2015 | Kapaa, Hawaii | Not in Top 4 | 1–2 |
| 2016 | Wailuku, Hawaii | Champions | 5–1 |
| 2017 | Wailuku, Hawaii | US Final | 3–1 |
| 2018 | San Diego, Southern California | Not in Top 4 | 2–2 |
| 2019 | Petaluma, Northern California | 0–3 | |
| 2020 | Cancelled due to COVID-19 crisis [1] | ||
| 2021 | Cancelled due to COVID-19 crisis [2] | ||
| Year | City | ILWS | Record |
As of the 2019 Intermediate League World Series.
| State | Region Championships | ILWS Championships | W–L | PCT |
|---|---|---|---|---|
| Hawaii | 3 | 1 | 9–4 | 0.692 |
| Arizona | 1 | 0 | 1–2 | 0.333 |
 Host Team(s) | 1 | 4–0 | 1.000 | |
| Southern California | 0 | 2–2 | 0.500 | |
| Northern California | 0 | 0–3 | 0.000 | |
| Totals | 7 | 2 | 16–11 | 0.593 |
Little League Baseball and Softball is a 501(c)(3) nonprofit organization based in South Williamsport, Pennsylvania, United States, that organizes local youth baseball and softball leagues throughout the United States and the rest of the world.
The Little League Baseball World Series is an annual baseball tournament for children—typically boys—aged 10 to 12 years old, held in the Eastern United States. Originally called the National Little League Tournament, it was later renamed for the World Series in Major League Baseball. The Series was first held in 1947 and is held every August in South Williamsport, Pennsylvania; while the postal address of the organization is in Williamsport, the Series itself is played at Howard J. Lamade Stadium and Volunteer Stadium at the Little League headquarters complex in South Williamsport.
Professional baseball leagues, amateur-baseball organizations, sportswriting associations, and other groups confer awards on various baseball teams, players, managers, coaches, executives, broadcasters, writers, and other baseball-related people for excellence in achievement, sportsmanship, and community involvement.
Intermediate, Junior, and Senior League Baseball are youth baseball divisions of Little League Baseball that are considered more advanced and difficult than younger Little League divisions due to more advanced rules, including the ability to lead-off and steal as the pitcher breaks, along with longer base paths and greater pitching distance. Junior League also includes the use of bats with 2+5⁄8-inch (6.7 cm) barrels rather than the transitional 2+1⁄4-inch (5.7 cm) barrels of Little League. Junior League also allows the use of metal spikes in cleats in addition to the molded or plastic spikes used in Little League. The Big League level was discontinued in the baseball and softball divisions — after the 2016 Big League World Series.
The West Region is one of eight United States regions that currently send teams to the Little League World Series, the largest youth baseball competition in the world. The region's participation in the LLWS dates back to 1957, when it was known as the West Region. However, when the LLWS was expanded in 2001 from eight teams to 16 teams, the former West Region was split into the Northwest Region and a new West Region. The West Region headquarters is in San Bernardino, California.
Little League Baseball has been played in Canada since 1951. Cape Breton, Nova Scotia and Vancouver, British Columbia were the first leagues outside the United States. Approximately 500 leagues now operate in Canada, making it the second-largest country in Little League participation. In 1952, Montreal, Quebec was the first foreign entry in the Little League World Series. In 1953, Little Mountain Little League of Vancouver advanced to the World Series as representative of the Western Region. In 1958, Canada was given an automatic berth in the LLWS and have since participated in every tournament, with the exception of 1975. Until 1965, the Canadian region consisted of only teams from Ontario and Quebec. Prior to 1966, the western provinces participated in tournament play with American teams in the original West Region, while the Maritime provinces were excluded. In 1965, Canada began play as a full region.
The original West Region was a region that competed in the Little League World Series between 1957 and 2000 until it was split into a Northwest Region and a new West Region in 2001.
The Big League World Series (BLWS) West Region was one of five United States regions that sent teams to the World Series. The Big League division of Little League Baseball was discontinued after the 2016 World Series. The region's participation in the BLWS had dated back to 1968.
The Junior League World Series West Region is one of six United States regions that currently sends teams to the World Series in Taylor, Michigan. The region's participation in the JLWS dates back to 1981. It has produced the most JLWS championships (11) by any region.
The Intermediate League World Series is a baseball tournament for children aged 11 to 13 years old that began in 2013. It is patterned after the Little League World Series, which was named for the World Series in Major League Baseball. The tournament is held in Livermore, California.
The Intermediate League World Series Central Region is one of five United States regions that currently sends teams to the World Series in Livermore, California. The region's participation in the ILWS dates back to 2013.
The Intermediate League World Series East Region is one of five United States regions that currently sends teams to the World Series in Livermore, California. The region's participation in the ILWS dates back to 2013.
The Intermediate League World Series Host team is one of six United States regions that currently sends teams to the World Series in Livermore, California. The champion of California's District 57 Tournament receives the bid.
The Intermediate League World Series (ILWS) Southeast Region and Southwest Region are two of the five United States regions that currently send teams to the World Series in Livermore, California. The two regions were created in 2013, when the ILWS began
The Intermediate League World Series Asia–Pacific Region is one of six International regions that currently sends teams to the World Series in Livermore, California. The region's participation in the ILWS dates back to 2013.
The Intermediate League World Series Canada Region is one of six International regions that currently sends teams to the World Series in Livermore, California. The region's participation in the ILWS dates back to 2013.
The Intermediate League World Series Europe–Africa Region is one of six International regions that currently sends teams to the World Series in Livermore, California. The region's participation in the ILWS dates back to 2014.
The Intermediate League World Series (ILWS) Latin America Region and Puerto Rico Region are two of six international regions that currently send teams to the World Series in Livermore, California. The regions' participation in the ILWS dates back to 2013.
The Senior League World Series West Region is one of six United States regions that currently sends teams to the World Series in Easley, South Carolina. The region's participation in the SLWS dates back to 1962.
The Intermediate League World Series Australia Region is one of six International regions that currently sends teams to the World Series in Livermore, California. The region's participation in the ILWS dates back to 2018.
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