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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 3
16 9
15 13
14 20
13 42
12 95
11 193
10 526
9 1.1k
8 2.7k
7 6.9k
6 17k
5 41k
4 98k
3 263k
2 905k
1 5.8m
Updated 2026-03-30 12:00 UTC