Table 2 Summary performance improvement index changes
PII positive change range | PII largest change since 2016 | World record PII change ranking | |
|---|---|---|---|
Marathon: men’s | 0–7.2 | 2.1 | 14th/38 |
Half marathon: men’s | 0–7.5 | 0.98 | 11th/32 |
Marathon: women’s | 0.1–9.2 | 2.0 | 21st/30 |
Half marathon: women’s | 0–6.2 | 0.7 | 15th/27 |