Horse racing draw advantage bias AYR 5F  
Stalls usually positioned HIGH ( Centre and Low are shown C and L )

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WINNING STALL NUMBER

 1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
No

of

R

U

N

N

E

R

S

8       L

 L

   
9 1 11L   L 111        
10   C   1     111      
11    1 1 1L   1          
12 L  1       1L      L 1    
13 C          C         1  
14               1            
15        LL              1    1 11  
16          1             L     1
17           1             L        
18             L         1            
19                                      
20     1   1 1             1 1       11    
21                                          
22               1                            
23                                              
24               1                                
25                                                 1
26   1                                                
27 1                   1         C                     1
4 5 0 6 3 6

<--Good or better -->

2 5 5 4 1 1
21 15

Copyright 2005 [H Hutchinson]. All rights reserved.

Overall, this is a weak pattern.
The Top 1/2 Bottom 1/2 split and the Top 6 Bottom 6 comparisons favour lower numbered stalls, but there is not a pattern worth following here at present.
On good or better going 6 of 7 races in 2006 were won from the Top 6 stalls, but even so, most wins have come from the Bottom half.
On good or better going, there are spreads of wins in races of 8 to 12 runners.
In races of 13 to 18 runners, the Top 6 stalls won 7 of 11 races 63%.
That is not a particularly high percentage for 6 stalls, and 11 races is a very small sample.

2006 results :-  5-9, 8-22, 25-25  Stalls High
 4-8, 5-8, 4-9, 1-13 (c), 6-13 (c), 11-14, 4-15, 12-16, 7-18 stalls Low and Centre.