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. 2013 Nov 20;8(11):e79548. doi: 10.1371/journal.pone.0079548

Figure 4. Relation between day of the performance and year in men and women.

Figure 4

A. Average day of the achievement of the performance in the top 10 at the 100th ±49.77. B. Average day of the achievement of the performance in the top 10 at the 100 m women since 1921. For all years combined, the average day is the 202.52th±44.0.