Joss Blatherwick
No club · United States
Est. age ≈ 38 (medium confidence) · Compare
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71.5%
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 |
|---|---|---|---|---|---|
| Marathon | 3:00:19 | 4:16 | 71.5% | Zurich Rock 'n' Roll Running Series Madrid 2025 |
Full Race History
| Date | Race | Category | Pos | Time | Age Grade |
|---|---|---|---|---|---|
| Zurich Rock 'n' Roll Running Series Madrid · Marathon | M35 | 384 | 3:00:19 | 71.5% |
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