John De Boer
No club · Netherlands
Est. age ≈ 61 (medium confidence) · Compare
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53.9%
Runner Score
Recreational
Recreational
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 |
|---|---|---|---|---|---|
| 12K | 1:18:10 | 6:31 | - | Ibiza Marathon 2026 | |
| Marathon | 4:23:17 | 6:14 | 53.9% | Maratón Valencia Trinidad Alfonso Zurich 2018 |
Full Race History
| Date | Race | Category | Pos | Time | Age Grade |
|---|---|---|---|---|---|
| Ibiza Marathon · 12K | M60 | 785 | 1:18:10 | - | |
| Maratón Valencia Trinidad Alfonso Zurich | M50 | 13478 | 4:23:17 | 53.9% |
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