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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 2
17 1
16 9
15 10
14 22
13 28
12 76
11 168
10 490
9 983
8 2.4k
7 6.4k
6 16k
5 38k
4 93k
3 251k
2 872k
1 5.7m
Updated 2026-01-04 09:00 UTC