The only change this week was California Chrome continuing to fall in the standings, going from seventh to eighth when voting closed on the NTRA poll.
Top Thoroughbred Poll
Week 21 of the 2015 NTRA Top Thoroughbred Poll conducted by the National Thoroughbred Racing Association (NTRA), covering racing performances through July 26. Current Horse of the Year ranking of the Top Thoroughbred on a 10-9-8-7-6-5-4-3-1 basis with first place votes in parentheses, 2015 record and total points. Poll Concludes Monday, Nov. 2. A-S: Age-Sex, Sex: C-colt, G-gelding, H-horse, F-filly, M-mare, R-ridgling. Eclipse Icon represents Eclipse Award Winner.
| HORSE | A-S | STATS | PTS | PVS | |
| 1 | American Pharoah (39)  |
3-C | 5-5-0-0 | 390 | 1 |
| 2 | Honor Code | 4-R | 3-2-0-0 | 315 | 2 |
| 3 | Shared Belief |
4-G | 3-2-0-0 | 281 | 3 |
| 4 | Noble Bird | 4-C | 5-3-1-0 | 180 | 4 |
| 5 | Lady Eli | 3-F | 3-3-0-0 | 175 | 5 |
| 6 | Beholder |
5-M | 2-2-0-0 | 119 | 6 |
| 7 | Private Zone | 6-G | 4-2-1-1 | 106 | 8 |
| 8 | California Chrome |
4-C | 2-0-2-0 | 101 | 7 |
| 9 | Tonalist | 4-C | 3-1-2-0 | 87 | 9 |
| 10 | Lea | 6-H | 4-1-2-1 | 63 | 10 |
Other horses receiving votes: Big Blue Kitten (43), Hard Aces (34), Catch A Flight (31), Hard Not To Like (19), Curalina (18), Constitution (15), Effinex (14), Main Sequence (14), Liam’s Map (13), Wise Dan (11), Stellar Wind (10), Moreno (9), Mshawish (9), Frosted (8), Sheer Drama (8), Lovely Maria (7), Rock Fall (7), Wedding Toast (7), Finnegans Wake (5), Dortmund (4), Force The Pass (4), Golden Lad (4), Secret Circle (4), Slumber (4), Tiz Shea (4), Fantastic Style (3), Firing Line (3), Masochistic (3), Speightster (3), Untapable (3), Commissioner (2), Undrafted (2), Gabriel Charles (1), Texas Red (1), The Pizza Man (1)
NTRA Thoroughbred Poll Summary
NTRA Thoroughbred Poll Detail by Horse