| 2024 | Maleah Hill | Linda Barkley | Doug Nielsen | Leaders Assemble! | Positively Marvelous Penguins | Penguins | Salem - Macleay Conference Ctr |
| 2023 | Cady Eby | Ann Nailon | Grant Mobly | Together We Will Enrich the Enchantment of Rainbow | Beautifully Bedazzled Bunnies | Bunny | Salem - Macleay Conference Ctr |
| 2022 | Jesseca Wolter | Karen Fuller Smith | Alan Bebee | Welcome to the Jungle | Happily Heroic Hippos | Hippo | Cottage Grove |
| 2021 | Becca Mobley | Anjee Thompson | Dean Rees | Rise Up! Encore | Rockin' Rollin' Record Breakers | Hedgehog | Wilsonville/Eugene |
| 2020 | Becca Mobley | Anjee Thompson | Dean Rees | Rise Up! | Hoopin' Hollerin' Hedgehogs | Hedgehog | Pendleton Convention Ctr |
| 2019 | Katie Thornburgh | Christie Hogueisson | Brian Allphin | Adventure Awaits! | Miracle-Making Meerkats | Meerkat | Pendleton Convention Ctr |
| 2018 | Allyssa Calhoun | Sherilynn Mobley | Paul Hardin | Pushing the Limits | Dramatically Dazzling Daisies | Fox | Pendleton Convention Ctr |
| 2017 | Grace Wolbaum | Laurie Rhoads | Michael Thompson | A Steampunk Odyssey | Steampowered Sassy Lassies | Grey Wolf | Pendleton Convention Ctr |
| 2016 | Morgan Welch | Ginny Malmquist | Chris Woolcock | Jurassic Journey | Prehistoric Traveling Triceratops | Triceratop | Pendleton Convention Ctr |
| 2015 | Morgan Rees | Emily Wheelbarger | Eric Holm | Once Upon a Time | Spectacular Storytellers | Owl | Pendleton Convention Ctr |
| 2014 | Suzie Dunham | Janet Lovelin | Albert Martinez | The Carousel of Life | Supercalifragilisticexpiali-Grandies | Giraffe | Pendleton Convention Ctr |
| 2013 | Emma Stockhoff | Cosette Rees | Scott Malmquist | Buck the Ordinary | Boot-Scootin' Beauties | Hereford Cattle | Pendleton Convention Ctr |
| 2012 | Malika Onstad | Melissa Metz | John Scott | Keep Sunshine in Your Heart | Soaring Sunflowers | Dolphin | Pendleton Convention Ctr |
| 2011 | Alena Wiedrich | Ann Alf | Charlie Mollenhour | Make a Difference | Dyno-mite Daisies | Turtle | Pendleton Convention Ctr |
| 2010 | Taylor Dole | Bev Hayward | Marlin Lovelin | A Look Through Time | Timecatchers | Teddy Bear | Pendleton Convention Ctr |
| 2009 | Cassie Malmquist | Nancy Coddington | Allan White | Let the Rhythms of the Land Guide Our Adventures Through Africa | Rhythmic Rainforest Rafikis | Koala | Pendleton Convention Ctr |
| 2008 | Kaleigh Webber | Betty Donnelly | Brent Dart | Secrets of the Mystical Pond | Mystical Maidens | Dragon | Pendleton Convention Ctr |
| 2007 | Elizabeth Andersen | Diane Swan | Wayne Metz | Discover the Treasures of the World Through Rainbow | Magnificent Maties | Seahorse | Pendleton Convention Ctr |
| 2006 | Megan Welch | Doris Hedges | Ed Bednarz | The Fabulous Fifties | Pink Ladies | Hound Dog | Pendleton Convention Ctr |
| 2005 | Caitlin Swan | Sherry Loennig | John Smith | Oriental Adventure! | Peekaboo Pandas | Giant Panda | Pendleton Convention Ctr |
| 2004 | Erin Landauer | Dora Daniels | Gale Wilson | Rainbow Polar Express | Sensational Snow Angels | Polar Bear | Pendleton Convention Ctr |
| 2003 | Jessie Hayward | Patti Nielsen | Lee Noah | A Year in Paris | Enthusiastically Eccentric Elephants | Elephant | Albany - LBCC - Takena Theater |
| 2002 | Melissa Lovelin | Claudia Boswell | Wayne Felder | Escape to Paradise | Perfectly Proud Parrots | Parrot | Albany - LBCC - Takena Theater |
| 2001 | Tori Paige | Marie Johnson | Ernie Burlington | 75 Years of Memories | Shimmering Stars | Bunny | Corvallis - OSU - LaSells Stewart Ctr |
| 2000 | Amber Hathorn | Cathy Felder | Willie Milligan | The Oregon Trail | Bee Keepers | Beaver | Corvallis - OSU - LaSells Stewart Ctr |
| 1999 | Sommer Donalson | Judy Smith | Ray Daniels | Rainbow's Secret Garden | Wild Flowers | Deer | Corvallis - OSU - LaSells Stewart Ctr |
| 1998 | Melissa Kruggel | Betty Burlington | Kenneth Cochran | Rainbow's Enchanted Kingdom | Royal Crusaders | Frog | Corvallis - OSU - LaSells Stewart Ctr |
| 1997 | Leslie Daniels | Debbie Noah | Bill Moore | Rainbow Sea of Treasures | Treasure Seekers | Orca | Corvallis - OSU - LaSells Stewart Ctr |
| 1996 | Michelle Tippin | Lucy Hardin | Del Schultz | World of Dreams | Daydream Believers | Teddy Bear | Corvallis - OSU - LaSells Stewart Ctr |
| 1995 | Michelle Robare | Holly Jackson | Willard Baldwin | Follow the Yellow Brick Road | Elegant Emeralds | Toto | Corvallis - OSU - LaSells Stewart Ctr |
| 1994 | Amy Wright | Susie Marshall | Carl Caress | Bless the Beasts and the Children | Dandy Lions | Lion | Corvallis - OSU - LaSells Stewart Ctr |
| 1993 | Kaylene Lovell | Nadine Beck | Bill Martin | Rainbow in the Country | | Cow | Corvallis - OSU - LaSells Stewart Ctr |
| 1992 | Teresa Davis | Beverly McAdams | Gerald Crawford | Unity Through Rainbow | Shining China Dolls | Giant Panda | Corvallis - OSU - LaSells Stewart Ctr |
| 1991 | Suzy Smith | Shirley Taylor | Warren Havery | Crossroads of Caravans | Desert Jewels | Camel | Corvallis - OSU - LaSells Stewart Ctr |
| 1990 | Cheryl Hull | Joan Anderson | Chuck Svensen | A Touch of Class | Tropical Islanders | Penguin | Corvallis - OSU - LaSells Stewart Ctr |
| 1989 | Kim Thompson | Phyllis Hughes | Mel Johnson | Dancing to Dreamland | Music Box Dancers | Ballerina | Corvallis - OSU - LaSells Stewart Ctr |
| 1988 | Karen Fuller | Mary Ann Frack | Bert Inman | Faith Will Lead Us On | Elegant Ice Maidens | Swan | Corvallis - OSU - LaSells Stewart Ctr |
| 1987 | Lorena Byrd | Lois Williams | Lee Means | A Dream Come True | Delightful Dreamers | Kangaroo | Corvallis - OSU - LaSells Stewart Ctr |
| 1986 | Linda Frack | Fern Beam | Charles Rhodes | Walk On Unafraid | Royal Duchesses | Dragon | Corvallis - OSU - LaSells Stewart Ctr |
| 1985 | Christi Sharp | Jackie Groulx | Kenneth Moore | Believe in Miracles | Starlets | Angel | Corvallis - OSU - LaSells Stewart Ctr |
| 1984 | Lara Lee | Sandra Daggett | Ed Young | Let it Come From Your Heart | The Heart Lights | Parrot | Corvallis - OSU - LaSells Stewart Ctr |
| 1983 | Shellea Means | Dottie Powell | Steve Nacheff | Forever the Rainbow | Classical Clowns | Clown | Corvallis - OSU - Gill Coliseum |
| 1982 | LuAnn Oster | Carleen Griffith | Frank Haffenden | The Love of Friendship | Mystical Maidens | Unicorn | Corvallis - OSU - Gill Coliseum |
| 1981 | Ruth Garvin | Sue Ross | Chet Chetwood | The Faith of a Child | Paddington's Pals | Paddington Bear | Corvallis - OSU - Gill Coliseum |
| 1980 | Kimberly Walters | Patty Bresler | Robert Kern | Look to the Rainbow with Renewed Faith | | Dove | Corvallis - OSU - Gill Coliseum |
| 1979 | Patricia Ryan | Hazel Bishop | Clifford Jones | Freedom of Life | | Lion & Lamb | Corvallis - OSU - Gill Coliseum |
| 1978 | Erin Dunn | LaRue Larkins | Robert Goodrich | Sea of Hope | | Seagull | Corvallis - OSU - Gill Coliseum |
| 1977 | Candi Sue Lindsey | Pat Young | Norman Hoard | You'll Never Walk Alone | | Seal | Corvallis - OSU - Gill Coliseum |
| 1976 | Suzanne Judah | Anita Mudrick | Kary Klein | Rainbow's Golden Past Will Light America's Future | | | Corvallis - OSU - Gill Coliseum |
| 1975 | Christy Lee Kiser | Jane Williams | Robert Ferguson | Love Is the Key | | Raggedy Ann | Corvallis - OSU - Gill Coliseum |
| 1974 | Melody Markee | Nona Ballard | Robert Ferguson | Happiness Is Harmony Within Rainbow Service | | | Corvallis - OSU - Gill Coliseum |
| 1973 | Gail Hambleton | Lesley Mattson | Martin Nickelson | I'll Catch the Sun | | | Corvallis - OSU - Gill Coliseum |
| 1972 | Sue Edwards | | | Rainbow: A Garden of Friendship | | | Corvallis - OSU - Gill Coliseum |
| 1971 | Debbie Fitzgerald | | | Rainbow of Happiness | | | Corvallis - OSU - Gill Coliseum |
| 1970 | Kathy Wade | | | Walk with Hope in Your Heart | | | Corvallis - OSU - Gill Coliseum |
| 1969 | Wendy Panage | | | Rainbow: The Key to My Dreams | | | Corvallis - OSU - Gill Coliseum |
| 1968 | Allison Whitney | | | The Four Seasons of Rainbow | | | Corvallis - OSU - Gill Coliseum |
| 1967 | Donna Church | | | Love, the Heart of Rainbow | | | Corvallis - OSU - Gill Coliseum |
| 1966 | Christie Petersen | | | Christie's Crown of Jewels | | | Corvallis - OSU - Gill Coliseum |
| 1965 | Jane Schroeder | | | Let There Be Peace on Earth | | | Corvallis - OSU - Gill Coliseum |
| 1964 | Sandra Beck | | | Sandy's Garden of Friendship | | | Corvallis - OSU - Gill Coliseum |
| 1963 | Alice Pitney | | | Alice's Wonderland | | | Corvallis - OSU - Gill Coliseum |
| 1962 | Donna Hodson | | | Love - The Tie That Binds | | | Salem |
| 1961 | Joan Rose | | | I Set My Bow in the Clouds | | | Klamath Falls |
| 1960 | Christine Pasley | | | Faith Will Lead You On | | | Hillsboro |
| 1959 | Carolyn Parson | | | | | | La Grande |
| 1958 | Carol Hopeman | | | | | | Albany |
| 1957 | Mary Heisman | | | | | | The Dalles |
| 1956 | Lucille Dayball | | | | | | Astoria |
| 1955 | Kay Macy | | | Heaven on Earth | | | McMinnville |
| 1954 | Mildred Patton | | | | | | Baker |
| 1953 | Sally Stinnette | | | The Light of Faith | | | Tillamook |
| 1952 | Doris Groves | | | | | | Lebanon |
| 1951 | Rae Hardesty | | | | | | Seaside |
| 1950 | Hazel Engle | | | | | | Corvallis |
| 1949 | Vivian Beckwith | | | | | | St Helens |
| 1948 | Joyce Trowbridge | | | | | | John Day |
| 1947 | Joan Lindberg | | | | | | Eugene |
| 1946 | Barbara Matheny | | | | | | Portland |
| 1945 | Marjorie Earl | | | | | | Albany |
| 1944 | Nancy Austin | | | | | | Cottage Grove |
| 1943 | Civilla Reeher | | | | | | Salem |
| 1942 | Mary Jacobson | | | | | | Hillsboro |
| 1941 | Marian Marks | | | | | | Corvallis |
| 1940 | Betty Milne | | | | | | Salem |
| 1939 | Dorothy Burke | | | Blue Hawaii | | | Eugene |
| 1938 | Dorothy Magnuson | | | | | | McMinnville |
| 1937 | Ruby Scullen | | | | | | The Dalles |
| 1936 | Mary Louise Olliver | | | | | | Baker |
| 1935 | Jessie Collins | | | | | | Tillamook |
| 1934 | Madelle Beidler | | | | | | Albany |
| 1933 | Eleanor Wright | | | | | | Portland |
| 1932 | Virginia Toney | | | | | | Salem |
| 1931 | Maxine Petersen | | | | | | La Grande |
| 1930 | Shirley Stuart | | | | | | Eugene |
| 1929 | Anne Steele | | | | | | Corvallis |
| 1928 | Marguerite Willemin | | | | | | Salem |
| 1927 | Elizabeth Allyn | | | | | | Portland |
