John O Brien
Ballymore Cobh AC · Ireland
Est. age ≈ 56 (medium confidence) · Compare
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91.3%
Runner Score
World-class
World-class
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 |
|---|---|---|---|---|---|
| 22K | 1:26:59 | 3:57 | - | Ibiza Marathon 2026 | |
| Marathon | 2:37:57 | 3:45 | 91.3% | Generali Maratón Málaga 2023 |
Full Race History
| Date | Race | Category | Pos | Time | Age Grade |
|---|---|---|---|---|---|
| Ibiza Marathon · 22K | M55 | 23 | 1:26:59 | - | |
| Generali Maratón Málaga · Marathon | M50 | 42 | 2:37:57 | 91.3% |
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