This profile likely combines several different runners who share the same name, so its stats may be mixed. It is excluded from the leaderboard.
Guillermo Serna Calderón
No club · Spain
Est. age ≈ 37 (high confidence) · Compare
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74.8%
Runner Score
Regional
Regional
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 |
|---|---|---|---|---|---|
| 10K | 37:14 | 3:43 | 72.3% | Nationale-Nederlanden San Silvestre Vallecana Internacional 2024 | |
| 20K | 1:14:43 | 3:44 | - | Behobia-San Sebastián 2023 | |
| Marathon | 2:44:34 | 3:54 | 74.8% | XXXVIII Zurich Maratón de Sevilla 2023 |
Full Race History
| Date | Race | Category | Pos | Time | Age Grade |
|---|---|---|---|---|---|
| Nationale-Nederlanden San Silvestre Vallecana Internacional · 10K | M35 | 687 | 37:14 | 72.3% | |
| Behobia-San Sebastián | Senior M | 326 | 1:14:43 | - | |
| XXXVIII Zurich Maratón de Sevilla · Marathon | Senior M | 479 | 2:44:34 | 74.8% | |
| Behobia-San Sebastián | Senior M | 607 | 1:18:12 | - |
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