Covfefe and he 2022 Tapit Colt. (Courtesy LNJ Foxwoods)
The Jockey Club Releases 2025 Foal Crop Estimate and 2024 Report of Mares Bred Statistics
The Jockey Club Release
The foal crop projection is computed by using Reports of Mares Bred (RMBs) received to date for the 2024 breeding season. RMBs are to be filed by August 1 of each breeding season.
This year, The Jockey Club has published preliminary statistics regarding mares reported bred by state/province through the current date for 2024, 2023, and 2022. These reports are updated daily and can be found here:bit.ly/narmb.
For the RMBs received through September 30, 2024, The Jockey Club reports that 771 stallions covered 25,301 mares in North America during 2024.
The Jockey Club estimates an additional 2,500 to 3,500 mares will be reported as bred during the 2024 breeding season.
The following table shows the number of covering stallions and the number of mares bred over the past 10 years in North America as reported to The Jockey Club through September 30 of the breeding year.
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
| No. of stallions | 1,488 | 1,407 | 1,375 | 1,299 | 1,175 | 1,065 | 1,016 | 955 | 880 | 825 | 771 |
| Mares Bred | 34,121 | 34,122 | 33,318 | 31,569 | 29,973 | 28,551 | 27,602 | 27,189 | 26,744 | 26,202 | 25,301 |
RMB statistics, sortable by stallion, mares bred, or state, for all reported stallions in 2024 are available through the Fact Book section of The Jockey Club’s website at bit.ly/3Bl1rEv.
Kentucky traditionally leads North America in Thoroughbred breeding activity. During 2024, Kentucky’s 192reported stallions covered 16,543 mares, or 65.38% of all of the mares reported bred in North America. Data based on stallion location is available at bit.ly/narmb.
The following table shows a breakdown of the number of mares bred by stallion for 2024 as reported to The Jockey Club through September 30, 2024.
| Mares Bred | 1 – 49 | 50 – 99 | 100 – 149 | 150 – 199 | 200 – 250 | >250 |
| No. of Stallions | 619 | 73 | 28 | 41 | 7 | 3 |
The following table shows the number of stallions that covered 200 or more mares and the number of mares bred by those stallions in North America as reported to The Jockey Club through September 30 of the breeding year.
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
| Stallions covering≥200Mares | 3 | 4 | 4 | 4 | 5 | 8 | 12 | 12 | 16 | 14 | 10 |
| Mares bred by Stallions covering ≥200 Mares | 609 | 850 | 879 | 883 | 1,124 | 1,840 | 2,719 | 2,598 | 3,463 | 3,213 | 2,210 |
Practical Joke had the highest number of mare’s bred in 2024 with 277 followed by Justify (263), Gunite (256), Golden Pal (209), Elite Power (203), Uncle Mo (202), Gun Runner (200), Pappacap (200), Taiba (200), Vekoma (200).
In addition, Report of Mares Bred information on stallions that bred mares in North America is available throughreport 36P or a subscription service at equineline.com/ReportOfMaresBred.
Stallion owners who have not returned their RMBs for the 2024 breeding season are encouraged to do so as soon as possible. Interactive Registration, which enables registered users to perform virtually all registration-related activities over the Internet, is the most efficient means of submitting RMBs and is available at registry.jockeyclub.com.
The 2023 breeding statistics, which includes data for Live Foal Reports for the 2024 foaling season, will be released later this month.
