Marcin Gruza
No club · Poland
Est. age ≈ 47 (medium confidence) · Compare
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81.5%
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 | 2:43:07 | 3:52 | 81.5% | XLI Zurich Maratón de Sevilla 2026 |
Full Race History
| Date | Race | Category | Pos | Time | Age Grade |
|---|---|---|---|---|---|
| Zurich Rock 'n' Roll Running Series Madrid · Marathon | M45 | 227 | 2:57:31 | 78.1% | |
| XLI Zurich Maratón de Sevilla · Marathon | M45 | 645 | 2:43:07 | 81.5% |
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