| Koichi Chibe | Nagoya
22-Jun-26,
Meritorious |
| Koichi Ishizaka | Hanshin
21-Jun-26,
Boccio |
| Koichi Ito | |
| Koichi Sato | Mizusawa
16-Jun-26,
Migliore Alba |
| Koichi Seto | Mizusawa
16-Jun-26,
Bellagio Hope |
| Koichi Shinkai | Tokyo
21-Jun-26,
Casa Vicens |
| Koichi Shintani | Hakodate
21-Jun-26,
Win Mon Coeur |
| Koichi Tsunoda | Tokyo
21-Jun-26,
Meisho Kaze Machi |
| Koji Hareyama | Mizusawa
31-Dec-24,
M One Haruko |
| Koji Kayano | Tokyo
21-Jun-26,
Smile Up |
| Koji Maki | Hakodate
21-Jun-26,
Dee Supremacy |
| Koji Obayashi | Sonoda
12-Jun-26,
Acute Girl |
| Koji Sakurada | Mizusawa
16-Jun-26,
Odenshita |
| Koji Sekimoto | Mizusawa
16-Jun-26,
Meiner Astoria |
| Koki Chiba | Mizusawa
16-Jun-26,
Hakushin Personal |
| Konstantin Harigeorgiou | Penn National
21-Mar-26,
Stifling Heat |
| Konstantinos Harigeorgiou | Penn National
12-Jun-26,
Warrior'S Miss |
| Koo Heung | Seoul
27-Apr-25,
Baro Danaeun |
| Koo Jun | Busan
18-May-25,
Glory Wind |
| Kosaku Hori | Sonoda
19-Jun-26,
Key Classic |
| Koshiro Take | Tokyo
21-Jun-26,
Learn The Ropes |
| Kota Kato | Hakodate
21-Jun-26,
Pax Romana |
| Kris Hansen | Rockhampton
19-Jun-26,
Astra Star |
| Kris Lees | Sunshine Coast
21-Jun-26,
Classic Deel |
| Kris Shailer | Ellerslie
23-May-26,
Magice |
| Kris Thomas | Mackay
01-May-26,
Whip 'N Neighneigh |
| Kris Zahmel | Gold Coast
20-Jun-26,
Trev |
| Krissie Simpkins | Coonabarabran
20-Jun-26,
Narrative |
| Krista Clemmer | Woodbine
13-Dec-24,
T'pring |
| Krista Cole | Woodbine
19-May-25,
Tiernan |
| Krista Geiger | Gold Coast
07-Mar-26,
Pivotal Motion |
| Krista Hetrick | Mountaineer
10-Jun-26,
Biscotti |
| Krista Nicole Hetrick | Presque Isle Downs
03-Jun-26,
Golden Cookie |
| Krista Pike | Pinjarra Park
17-Aug-23,
Casino War |
| Krista Simpson | Woodbine
15-Dec-23,
Gentle Seas |
| Kristen Buchanan | Randwick
20-Jun-26,
Tambeloa |
| Kristen Watanabe | Los Alamitos Racecourse
01-Jun-26,
Think Think Think |
| Kristen Wenck | Kilcoy
26-Jan-26,
Jain |
| Kristi Evans | Morphettville
20-Jun-26,
Camooweal Girl |
| Kristian Hawkins | Pinjarra Park
23-Aug-18,
Great Gable |
| Kristian Marquez | Sunray Park
29-Apr-23,
One Hot Ladys Cartel |
| Kristie & Louis Clark & Peoples | |
| Kristie Clark-peoples | |
| Kristie Clark-Peoples | Sunshine Coast
21-Jun-26,
Kadall |
| Kristie George | Moruya
03-Apr-21,
Circus Train |
| Kristin Troxell | Delaware Park
27-Oct-23,
Unbridled Sass |
| Kristina Clarke | Pinjarra Park
04-Jun-23,
She's Puzzling |
| Kristina M. Tumblin | Thistledown
23-Jun-26,
Divineness |
| Kristine M. Kaufeld | Horseshoe Indianapolis
05-Jun-26,
Captured |
| Kristy Casey | Broome
18-Aug-12,
Eagle Peak |
| Kristy Gazzier | Charles Town
19-Jun-26,
W V Lad |
| Kristy Oyarzun | Port Augusta
26-Apr-26,
Lava Lad |
| Kristy Petty | Charles Town
21-Jun-26,
Petty Perfect |
| Krystal Trembath | Bordertown
01-May-26,
Rebel Jen |
| Krystal Williams | Oamaru
14-Jun-26,
On The Rivet |
| Krystal-marie Williams | Riccarton Park Synthetic
07-Aug-24,
The Roaring Tiger |
| Krystin Allender | Townsville
22-Jun-26,
Acclimatise |
| Krystle Arnold | Thangool
01-Jun-26,
Been A Secret |
| Krystle Johnston | Rockhampton
24-Mar-26,
Craiglea Monnie |
| Ks Tan | Kranji
08-Apr-23,
Clone Man |