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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 6
16 8
15 12
14 26
13 56
12 110
11 237
10 600
9 1.3k
8 3.1k
7 7.6k
6 18k
5 43k
4 104k
3 277k
2 947k
1 6.1m

Updated 2026-07-27 13:00 UTC