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P-Index Table 
The number of 5k runs that satisfy the rule 'p runs at least p times'.
For a P-index of 10, you would need to run more than 100 times, with at least 10 runs at 10 different events.
P-index Number of runners
22 1
21 0
20 0
19 2
18 1
17 4
16 10
15 12
14 21
13 51
12 104
11 210
10 553
9 1.2k
8 3.0k
7 7.2k
6 18k
5 42k
4 101k
3 271k
2 929k
1 6.0m

Updated 2026-05-31 10:00 UTC