2021 Horse and Rider Mileage Standings after Owyhee Halloween
| Horse | Rider | Miles | Points | Rides | |
| Endurance | |||||
| WMA Proclaim (Riley) | Karen | Steenhof | 255 | 377 | 5 |
| Time-honored Tradition (Titan) | Jessica | Huber | 255 | 358.3 | 5 |
| Khalid Sanaa | Mike | Cobbley | 250 | 492 | 3 |
| DWA Barack | Connie | Holloway | 250 | 377.5 | 5 |
| Owyhee Shotgun Rider (Willi) | Merri | Melde | 250 | 347.5 | 5 |
| Top Hat Frost (Topper) | Stace | Moss | 205 | 368 | 4 |
| Owyhee Smoke Signal | Nance | Worman | 205 | 232 | 4 |
| The Big Brass | Jessica | Cobbley | 200 | 420 | 2 |
| Tetherow Joe | Kristen | Grace | 155 | 224 | 3 |
| HCC Elessar | Kailynn | Grinder JR | 155 | 207 | 3 |
| Fire Mt Malabar | Naomi | Preston | 155 | 177 | 3 |
| Applejack RH | Jennifer | Leach RR | 155 | 171 | 3 |
| Boogey | Simone | Mauhl | 150 | 275 | 3 |
| JAC Winterhawk | Lee | Pearce | 150 | 165 | 3 |
| Royal Immage | Layne | Lewis | 110 | 233 | 2 |
| A Bold Legacy (Squirrel) | Jacelyn | Butler-JR | 100 | 154.3 | 2 |
| Special P (Biscuit) | Lindsay | Fisher | 100 | 143 | 2 |
| Dreamweaver Csavannah | Marlene | Moss | 100 | 110 | 2 |
| Owyhee Justice (Rio) | Karen | Bumgarner | 100 | 110 | 2 |
| Bucephalos | Lindsay | Fisher | 75 | 162 | 1 |
| Taladega | Mike | Cobbley | 55 | 109 | 1 |
| DWA Saruq | Connie | Holloway | 55 | 97 | 1 |
| CR Firenzi | Danielle | Delamater | 55 | 97 | 1 |
| HCC Symbol | Kristen | Grace | 55 | 85 | 1 |
| Noble Gambler | Lindsay | Fisher | 55 | 67 | 1 |
| Bingo | Kristen | Grace | 55 | 61 | 1 |
| SA Alamo | Marlene | Moss | 50 | 105 | 1 |
| Zara | Kristy | Butler | 50 | 99.3 | 1 |
| Rosies Atlas | Layne | Lewis | 50 | 99 | 1 |
| Khee Shar (Flech) | Jessica | Cobbley | 50 | 94 | 1 |
| Beauty's Harley | Layne | Lewis | 50 | 94 | 1 |
| Lauverus Moon "Boogie" | Roz | Cusack | 50 | 72 | 1 |
| Houston We Have A Problem | Danielle | Delamater | 50 | 66 | 1 |
| Carbonado (Carbon) | Joni | Cornell | 50 | 66 | 1 |
| HCC Sentry | Kristen | Grace | 50 | 55 | 1 |
| HCC Sentry | Kailynn | Grinder JR | 50 | 55 | 1 |
| Limited Distance | |||||
| The Duchess of Beatty's Butte | Steven | Coziah | 260 | 278 | 10 |
| DWA Einstein | Carrie | Johnson | 260 | 273 | 10 |
| Applejack RH | Jennifer | Leach RR | 180 | 183 | 7 |
| Boogey | Simone | Mauhl | 165 | 291 | 6 |
| Taijuan | Olivia | Valtierra JR | 160 | 160 | 6 |
| DWA Barack | Connie | Holloway | 155 | 213 | 6 |
| Rosita | Joan | Zachary | 135 | 183 | 5 |
| Sundance | Wade | Mauhl | 110 | 197 | 4 |
| Payback Daysea Duke | Pam | Davenport | 110 | 113 | 4 |
| VS Argo | Veronica | Simpson | 110 | 110 | 4 |
| Jassens Legacy Stone (Granite) | Sally | Tarbet | 80 | 125 | 3 |
| HCC Symbol | Raquel (Rocky) | Berger JR | 80 | 100 | 3 |
| Nobles Full Moon | Adrienne | Zachary | 80 | 89 | 3 |
| Flash Point RH | Jackie | Everette | 80 | 88 | 3 |
| Auburn Springs Cora | Lauren | Coziah | 75 | 95 | 3 |
| Peaches RH | Allison | Kopelowitz | 75 | 75 | 3 |
| Manhattanincident | Carolyn | Roberts | 55 | 73 | 2 |
| Pepsi | Allison | Kopelowitz | 55 | 70 | 2 |
| Echo Barbanno RH | Maria | Kilgo | 55 | 68 | 2 |
| Houston We Have A Problem | Danielle | Delamater | 50 | 73 | 2 |
| Juno | Avorie | Butler -JR | 50 | 68 | 2 |
| Zara | Kristy | Butler | 50 | 65 | 2 |
| Bucephalos | Lindsay | Fisher | 50 | 50 | 2 |
| Belesema Ruby Jewel | Layne | Lewis | 50 | 50 | 2 |
| Thunder and Ligtening | Danielle | Delamater | 50 | 50 | 2 |
| Zane's Eleven (Starlight) | Hailey JR | Fisher | 50 | 50 | 2 |
| Lynryd | Tally | Wren | 50 | 50 | 2 |
| HMR Diamonds R Forever | Catherine | Cook | 30 | 30 | 1 |
| VS Argo | Lindsay | Fisher | 30 | 30 | 1 |
| Orlabiban (Greta) | Roz | Cusack | 30 | 30 | 1 |
| Belesemo Flash Trad | Veronica | Stanley | 30 | 30 | 1 |
| No Speed Limite | Jessica | Valtierra | 30 | 30 | 1 |
| Dirty Martini | Ann | Kuck | 30 | 30 | 1 |
| Belesemo Magic Marker | Matthew | Stanley | 30 | 30 | 1 |
| Belesema Farzaletta | Susan | Jerome | 30 | 30 | 1 |
| SAR Tiki Eclipse | Joslyn | Terry JR | 25 | 48 | 1 |
| A Bold Legacy (Squirrel) | Jacelyn | Butler-JR | 25 | 45 | 1 |
| Rosies Atlas | Layne | Lewis | 25 | 43 | 1 |
| DWA Saruq | Catherine | Cook | 25 | 33 | 1 |
| Time-honored Tradition (Titan) | Jessica | Huber | 25 | 33 | 1 |
| Owyhee Smoke Signal | Nance | Worman | 25 | 28 | 1 |
| Bantiki (Bogart) | Kristen | Grace | 25 | 25 | 1 |
| Chnook | Veronica | Simpson | 25 | 25 | 1 |
| HCC Elessar | Kailynn | Grinder JR | 25 | 25 | 1 |
| Karma | Lora | Bannan | 25 | 25 | 1 |
| RRQ Flaashin Firefly | Forrest | Tancer | 25 | 25 | 1 |
| RRQ Flaashin Firefly | Tally | Wren | 25 | 25 | 1 |
| SA Alamo | Marlene | Moss | 25 | 25 | 1 |
| Hawk | Jacelyn | Butler-JR | 25 | 25 | 1 |
| SK Lottsaparada | Skyla | Stewart | 25 | 25 | 1 |
| Gold N Diva | Bruce | Worman | 25 | 25 | 1 |
| Al-Marah Cash Racer | Forrest | Tancer | 25 | 25 | 1 |
| Bantiki (Bogart) | Kaidence | Simmons JR | 25 | 25 | 1 |