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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
18 3
17 2
16 6
15 7
14 26
13 18
12 70
11 169
10 457
9 951
8 2.4k
7 6.3k
6 15k
5 38k
4 92k
3 250k
2 870k
1 5.6m
Updated 2025-10-05 22:00 UTC