"T" next to Year = Tevis Cup Winner. "H" = Haggin Cup Winner.
| Rider | Finishes | Years |
|---|---|---|
| David Kaden | 1 | 11 |
| Jan Kahdeman | 1 | 87 |
| Fred Kain | 1 | 60 |
| Bernice Kalland | 2 | 74, 75 |
| Lawrence Kanavy | 1 | 78 |
| Valerie Kanavy | 2 | 78, 79 |
| Ines Hofmann Kanna | 1 | 13 |
| Jennifer Kaplan | 2 | 12, 21 |
| Debra Karl | 1 | 10 |
| Pamela Karner | 1 | 15 |
| Tammy Karnow | 1 | 15 |
| Rick Kastner | 1 | 06 |
| Shinobu Katayama | 1 | 97 |
| Beth (Gingold) Kauffmann | 5 | 94, 96, 97, 99, 00 |
| Dyke F. Kauffmann | 2 | 01, 04 |
| Bradley Kaufman | 1 | 06 |
| Bill Kauk | 1 | 67 |
| Candy Kauk | 1 | 78 |
| Nancy M. Kauk | 1 | 67 |
| Pat Kavanaugh | 1 | 89 |
| Theresa Kays-Tillotson | 1 | 11 |
| Kelle Kearney, DVM | 1 | 99 |
| Ken Keele | 1 | 11 |
| Melissa Keeley | 2 | 84, 88 |
| Sharon Keinan | 1 | 15 |
| E.J. "Jerry" Keithley | 1 | 79 |
| Peggy Kellerman | 1 | 72 |
| Ronald E. Kelley | 1 | 76 |
| Ragan Kelly | 1 | 13 |
| Suzy Kelly | 1 | 81 |
| Tracy Kelly, DVM | 1 | 13 |
| Douglas Kemmerer | 1 | 79 |
| Kelsey Kempfert | 1 | 07 |
| Howard Kent | 3 | 00, 04, 07 |
| James Kerr DVM | 1 | 05 |
| Gilbert Ketcherside | 1 | 64 |
| Preston Ketcherside | 1 | 17 |
| Lynn Kettell | 1 | 94 |
| Parry Kietzman | 2 | 14, 15 |
| Smokey Killen | 13 | 68, 70, 71, 73, 74, 75, 78, 79, 80, 81, 82, 83, 85 |
| Carl Kimbler | 3 | 06, 16, 17 |
| Kelsey Kimbler-Ebach | 2 | 10, 14 |
| McCamey Kimbler | 3 | 14, 17, 18 |
| Tessa Kimbler | 2 | 14, 17 |
| Greg Kimler | 4 | 00, 07, 12, 13 |
| Tammy Kimler | 2 | 09, 11 |
| Jim Kinder | 3 | 85, 86, 89 |
| Rodney Kinder | 1 | 88 |
| Katherine (Kacy) King | 1 | 21 |
| Floyd Kingsley | 2 | 77, 78 |
| Janet Kratt Kingsley | 2 | 79, 80 |
| W. Kirchmier | 1 | 79 |
| Jenny L Kirk | 1 | 02 |
| Kimberly Kirkpatrick | 2 | 92, 99 |
| Sharon A. Kirkpatrick | 1 | 02 |
| Madeleine Kirsch | 4 | 02, 03, 04, 10 |
| Dana Kirst | 1 | 63 |
| Hiromi Kitaike | 4 | 07, 11, 13, 14 |
| Ann Kitzmiller | 1 | 07 |
| Courtney Kizer | 1 | 21 |
| Alex Klau | 1 | 90 |
| Jennifer S. Klein | 1 | 99 |
| Paul Klentos | 2 | 90, 91 |
| Sandy Klingler | 1 | 88 |
| Nina Knapitsch | 1 | 83 |
| Lynn Kneiff | 1 | 71 |
| Pam Knickerbocker | 1 | 75 |
| Joanne Knight | 3 | 83, 84, 89 |
| Lollie Knight | 2 | 84, 87 |
| Cheryl Knock | 1 | 05 |
| Chris J. Knoch | 4 | T93, T94, 95, 96 |
| Linda Koch | 1 | 11 |
| Bettina Koehn | 1 | 00 |
| Jerry Koenig | 1 | 91 |
| Walt Koerner | 1 | 79 |
| Sarah Konst | 1 | 00 |
| Frank Kosek | 1 | 63 |
| Kurt Kosek | 1 | 63 |
| Norma Kover | 2 | 98, 00 |
| Lynda Kovisto | 1 | 87 |
| Erin Krahnen | 1 | 17 |
| Simone Krahnen | 1 | 17 |
| Susan Kramer | 2 | 19, 21 |
| Christina Kramlich-Bowie | 3 | 07, 09, 11 |
| Ann Kratochvil | 1 | 93 |
| Mary Krauss | 1 | 10 |
| Marcia Kreofsky | 1 | 93 |
| Sheri Krueger | 1 | 85 |
| Arlene Kruse | 1 | 74 |
| Beth Krusi | 1 | 70 |
| George Krusi | 2 | 66, 67 |
| LeRoy Krusi | 1 | 66 |
| Leslie Kulchin | 1 | 81 |
| Douglas Kunze | 1 | 75 |
| Wayne L. Kunze | 4 | 69, 70, 75, 81 |
| Barbara Kurti | 1 | 21 |
| Kunjiro Kusuyama | 1 | 98 |
| Sheri Lacey | 1 | 99 |
| Linda Lacy | 1 | 83 |
| Murrel Lacy | 1 | 70 |
| Glenn Ladd | 1 | 69 |
| Dale Lake | 1 | 81 |
| Deana Lake | 1 | 80 |
| Jacqueline Lake | 1 | 80 |
| John Laken | 1 | 62 |
| John Lakso | 4 | 91, 94, 95, 00 |
| Chloe Lalonde | 2 | 10, 12 |
| Jean Lambson | 2 | 86, 87 |
| Roselyn Lambert | 2 | 88, 90 |
| Dana Landale | 2 | 94, 95 |
| Janet Lande | 1 | 74 |
| Tennessee Lane | 6 | 09, 12,14,15, 17T, 18 |
| Becky Lange | 3 | 09, 10, 11 |
| Dante LaPierre | 1 | 21 |
| Gina Lappe | 1 | 04 |
| Breann Larimer | 2 | 95, 96 |
| Cena Larimer | 6 | 73, 75, 78, 80, 83, 86 |
| James D. Larimer | 8 | 70, 73, 74, 76, 78, 81, 82, 85 |
| Zoie Larimer | 2 | 82, 85 |
| Cynthia G. Larkin | 12 | 83, 84, 85, 86, 87, 88, 89, 90, 93, 94, 95, 01 |
| Robert "Joe" Larkin | 10 | 82, 85, 86, 92, 93, 96, 97, 98, 99, 00 |
| Louis Larsen, DVM | 3 | 79, 80, 81 |
| Shirley Larsen | 4 | 80, 81, 84, 87 |
| Theron Larsen | 1 | 66 |
| Heidi Larson | 1 | 13 |
| James Larsh | 3 | 68, 70, 76 |
| Carolyn J. Latham-Finston | 3 | 01, 03, 05 |
| Emilie Laurencon | 3 | 00, 02, 03 |
| Andrew Laursen | 1 | 10 |
| Judy A. Laursen | 7 | 87, 88, 89, 90, 93, 94, 97 |
| Judith LaVergne | 1 | 84 |
| Kyla Law | 1 | 21J |
| Natalie Law | 1 | 21 |
| Ona Lawrence | 2 | H97, 06 |
| David Laws | 1 | 19 |
| Carmela Laws | 1 | 77 |
| Skip Leahy | 1 | 95 |
| Ron Lear | 1 | 04 |
| Cathy Leaver | 1 | 95 |
| Valerie Lebel | 3 | 78, 82, 88 |
| Laurie Ledbetter | 7 | 88, 89, 90, 91, 97, 98, 99 |
| Cynthia LeDoux-Bloom | 1 | 07 |
| Bruce A. Lee | 1 | 73 |
| Carolyn Lee | 1 | 73 |
| Charles Lee | 1 | 94 |
| Kevin S. Lee | 2 | 79, 81 |
| Mary E. Lee | 1 | 80 |
| Robert Lee | 1 | 56 |
| Thomas W. Lee | 1 | 57 |
| Cathleen Lefeber | 1 | 14 |
| Elisabeth Lehmberg | 4 | 96, 98, 00, 01 |
| Megan Leich | 1 | 91 |
| Sandra Leich | 1 | 91 |
| Jean M. Leininger | 1 | 62 |
| Eliane Lemieux | 1 | 16 |
| John Lemke | 1 | 79 |
| Peter Lemond | 4 | 83, 84, 85, 86 |
| Steven E. Lenheim | 5 | 94, 95, 96, 00, 03 |
| Melissa Lenter | 1 | 15 |
| Deborah Leone | 1 | 06 |
| Ralph R. Lepera | 3 | 91, 03, 04 |
| Shane Lesher | 3 | 18, 19, 21 |
| Allan Leslie, DVM | 1 | 67 |
| Julie Leslie | 1 | 71 |
| Tammy Lessig | 1 | 15 |
| James Lestor | 1 | 86 |
| Denis Letartre | 2 | 84, 92 |
| Marie Letartre | 1 | 84 |
| Kerstin K. Leuther | 1 | 02 |
| Doris Levingston | 1 | 61 |
| Charlene Lewis | 1 | 05 |
| Cliff Lewis | 1 | 69 |
| L. D. Lewis | 1 | 81 |
| Larry Lewis | 1 | 77 |
| Layne Lewis | 1 | 19 |
| Sharon Lewis | 1 | 70 |
| Tom Lewis | 1 | 90 |
| Charlene Lewis-Stueve | 2 | 98, 03 |
| Bill Leyden | 1 | 66 |
| Frank Lieberman | 1 | 00 |
| Leonard Liesens | 1 | 97 |
| Skip Lightfoot | 3 | 87, 88, 92 |
| Gene Limlaw | 1 | 14 |
| Lorna Lincoln | 2 | 75, 76 |
| Tom Lindgren | 1 | 95 |
| Bett Lindsey | 2 | 72, 74 |
| Rick Lindsey | 1 | 65 |
| Sam Lindsey | 1 | 74 |
| Tom Lindsey | 2 | 61, 65 |
| Fred Lingley | 1 | 86 |
| Jack Little | 1 | 83 |
| James Little | 2 | 65, 75 |
| Kenneth R. Little | 1 | 69 |
| Sonna Litton | 2 | 83, 85 |
| Marion O. Livermore | 5 | 72, 78, 80, 81, 97 |
| Dennis Lobenberg | 2 | 94, 95 |
| Rachel Lodder | 1 | 15 |
| Justin Loewen | 1 | 17 |
| Pamela Loftus | 1 | 97 |
| Helen Logan | 12 | 84, 85, 86, 87, 88, 89, 90, 92, 93, 94, 95, 96 |
| Henry Logan | 5 | 84, 85, 88, 92, 93 |
| Steven Lokken | 1 | 81 |
| Christina Long | 1 | 11 |
| Claxton A. Long | 1 | 80 |
| Judy Long | 3 | 93, 98, 07 |
| Garry Looney | 1 | 93 |
| H. J. Lopez | 1 | 63 |
| Melanie Lourme | 1 | 11 |
| Katherine Lovejoy | 4 | 82, 84, 85, 86 |
| Ellen Lovett | 2 | 84, 85 |
| Kerry Lowrey | 1 | 17 |
| L. H. Lucas | 1 | 61 |
| Wendy L. Lumbert | 2 | 97, 98 |
| Hope Lundquist | 10 | 75, 78, 79, 80, 81, 82, 83, 86, 89, 92 |
| Diana Lundy | 1 | 09 |
| Cynthia Lusk | 1 | 05 |
| Larry Luster | 1 | 69 |
| Diane Luternauer | 1 | 86 |
| Gerald Luternauer | 3 | 80, 81, 86 |
| Jeffrey Luternauer | 3 | 80, 86, 88 |
| Katie Lydon | 1 | 10 |
| Robert Lydon | 2 | 15, 17 |
| Jill Lyle | 1 | 76 |
| Mary Lyles | 1 | 67 |
| Michael Lynch | 1 | 05 |
| Kay Lynn | 5 | 82, 85, 86, 89, 90 |
| Julia Lynn-Elias | 1 | 12 |
| Debby Lyon, DDS | 12 | 89, 91, 92, 96, 98, 03, 05, 06, 10, 11, 12, 17 |
| Bronc Lyons | 1 | 71 |
| Paul Lyons | 1 | 72 |
