Piet Wiersma
No club · Netherlands
Est. age ≈ 30 (low confidence) · Compare
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86.8%
Runner Score
National
National
Age Grade compares a time to the world-best standard for that age, sex and distance, so performances at different distances and ages are directly comparable. 100% is world-record level.
Personal Bests
| Distance | Time | Pace /km | Age Grade | Race | Date |
|---|---|---|---|---|---|
| Marathon | 2:18:00 | 3:16 | 86.7% | XLI Zurich Maratón de Sevilla 2026 |
Full Race History
| Date | Race | Category | Pos | Time | Age Grade |
|---|---|---|---|---|---|
| XLI Zurich Maratón de Sevilla · Marathon | Senior M | 54 | 2:18:00 | 86.7% | |
| XL Zurich Maratón de Sevilla · Marathon | Senior M | 57 | 2:21:17 | 85.7% | |
| XXXVIII Zurich Maratón de Sevilla · Marathon | Senior M | 76 | 2:18:57 | 86.8% |
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