This profile likely combines several different runners who share the same name, so its stats may be mixed. It is excluded from the leaderboard.
Jonathan Jackson
No club · United States
Est. age ≈ 46 (low confidence) · Compare
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82.1%
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 |
|---|---|---|---|---|---|
| Half Marathon | 1:52:23 | 5:20 | 55.1% | PALMA MARATHON MALLORCA 2023 | |
| Marathon | 2:39:18 | 3:47 | 82.1% | Maratón Valencia Trinidad Alfonso Zurich 2024 |
Full Race History
| Date | Race | Category | Pos | Time | Age Grade |
|---|---|---|---|---|---|
| Maratón Valencia Trinidad Alfonso Zurich | M55 | 17971 | 3:47:04 | 58.0% | |
| Zurich Rock 'n' Roll Running Series Madrid · Marathon | Senior M | 9067 | 4:47:27 | 47.2% | |
| Maratón Valencia Trinidad Alfonso Zurich | Senior M | 1206 | 2:39:18 | 55.9% | |
| Maratón Valencia Trinidad Alfonso Zurich | M55 | 18544 | 3:54:03 | 55.9% | |
| PALMA MARATHON MALLORCA · Half Marathon | M50 | 847 | 1:52:23 | 55.1% |
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