BRITISH 2YO RACING: 2002-2006 Sire/Dam General Stats
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General : Note that there are separate sections available via the links on the site homepage which provide detailed stats for individual sires This section covers general stats about the overall sire population. Questions covered in this section are:-
  1. How many different sires had 2yo runners in each season?
  2. How many different sires had 2yo race wins in each season?
  3. Does the age of a runner's dam make any difference to its chances of winning?

1. How many different sires had 2yo runners in each season?
 
Season Total Sires Sires with between 1 to 10 runners Sires with between 11 to 20  Runners Sires with more than 20 Runners
2002 359 264  (74%) 69   (19%) 26     (7%)
2003 342 251  (74%) 49   (14%) 42   (12%)
2004 368 264  (72%) 58   (16%) 46   (12%)
2005 329 233  (71%) 52  (16%) 44  (13%)
2006 339 247  (73%) 52  (15%) 40  (12%)
Note:(a) 

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2. How many different sires had 2yo race wins in each season?
 
Season Total Sires with at least one win Sires with 1 to 5 wins Sires with  6 to 10 Wins More than 10 Wins More than 20 wins
2002 201 146   (73%) 31  (15%) 24  (12%)
2003 200 130   (65%) 49  (24%) 21 (11%)
2004 208 138   (66%) 50  (24%) 20 (10%)
2005 194 132   (68%) 34  (18%) 31  (16%) 3
2006 189 129  (68%) 35  (19%) 21  (11%) 4
Note: (a) Approximately 55-60% of Sires have at least one winner. .
(b) Percentage figures relate to the proportion of sires with winners in each classification group

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3. Does the age of a runner's dam make any difference to its chances of winning?

While following racing you will hear various biases expressed relating to the age of dams and their ability to produce competitive racehorses. These usually take the form of doubting the ability of first foals or the products of old dams being less competitive. The table below shows the wins-runs by different foal numbers relating to 2yo racing in the 2004-6 seasons.

It would be interesting to extend this table to take account of class of runner by foal number. For example, although older dams can produce competitive 2yos, are they at a lower level, on average, than the product of younger dams?
 
2004 Season
2005 Season
Dam's Foal Number Number of Runners Number of Runs Number of Wins Wins to Run Percentage Dam's Foal Number Number of Runners Number of Runs Number of Wins Wins to Run Percentage
1st 654 2354 216 9.1% 1st 560 2056 189 10.9%
2nd 453 1671 180 10.8% 2nd 472 1827 173 9.5%
3rd 393 1433 154 10.7% 3rd 442 1672 173 10.3%
4th 365 1348 145 10.8% 4th 339 1232 127 10.3%
5th 271 957 74 7.7% 5th 278 1038 92 8.9%
6th 213 765 61 8.0% 6th 224 804 76 9.4%
7th 168 535 53 9.9% 7th 163 561 65 11.6%
8th 134 407 35 8.6% 8th 116 400 40 10.0%
9th 98 361 26 7.2% 9th 88 261 17 6.5%
10th 72 222 15 6.8% 10th 64 217 16 7.4%
11th 53 206 22 10.7% 11th 56 207 14 6.8%
12th 34 84 4 4.3% 12th 35 110 6 5.4%
13th 34 136 9 6.6% 13th 26 79 5 6.3%
14th 3 7 0 0% 14th 16 67 3 4.5%
15th 3 5 1 20% 15th 4 16 0 0%
16th 1 4 0 0% 16th 1 3 0 0%
Note: Overall Totals slightly low in 2004 because of 10 horses with unknown Foal number

 
2006 Season
2007 Season
Dam's Foal Number Number of Runners Number of Runs Number of Wins Wins to Run Percentage Dam's Foal Number Number of Runners Number of Runs Number of Wins Wins to Run Percentage
1st 555 2050 186 9.1% 1st TBA
2nd 428 1556 169 10.9% 2nd
3rd 372 1433 154 10.7% 3rd
4th 345 1225 123 10.0% 4th
5th 220 749 98 13.1% 5th
6th 219 755 62 8.2% 6th
7th 139 453 41 9.4% 7th
8th 119 365 49 13.4% 8th
9th 105 340 34 10.0% 9th
10th 75 229 15 6.6% 10th
11th 47 155 20 12.9% 11th
12th 29 109 9 8.3% 12th
13th 15 52 4 7.7% 13th
14th 8 24 2 8.3% 14th
15th 7 14 1 7.1% 15th
16th 4 16 1 6.3% 16th
Note: 

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