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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
19 2
18 1
17 8
16 9
15 11
14 34
13 61
12 122
11 266
10 646
9 1.4k
8 3.3k
7 8.1k
6 19k
5 45k
4 108k
3 286k
2 976k
1 6.2m
Updated 2026-10-18 12:00 UTC