Duncan Briffett
INDEPENDIENTE · United Kingdom
Est. age ≈ 53 (high confidence) · Compare
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77.7%
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 | 40:14 | 4:01 | 77.7% | Nationale-Nederlanden San Silvestre Vallecana Popular 2025 | |
| Half Marathon | 1:39:30 | 4:43 | 66.0% | Zurich Rock 'n' Roll Running Series Madrid 2023 | |
| Marathon | 3:20:28 | 4:45 | 68.7% | Maratón Valencia Trinidad Alfonso Zurich 2023 |
Full Race History
| Date | Race | Category | Pos | Time | Age Grade |
|---|---|---|---|---|---|
| Zurich Rock 'n' Roll Running Series Madrid · Marathon | M50 | 3065 | 3:42:09 | 66.1% | |
| Nationale-Nederlanden San Silvestre Vallecana Popular · 10K | M50 | 685 | 40:14 | 77.7% | |
| Zurich Rock 'n' Roll Running Series Madrid · Marathon | M50 | 2100 | 3:29:28 | 69.1% | |
| Maratón Valencia Trinidad Alfonso Zurich | M50 | 9390 | 3:20:28 | 68.7% | |
| Madrid Vintage Run · 10K | M50 | 1857 | 44:13 | 68.2% | |
| Zurich Rock 'n' Roll Running Series Madrid · Half Marathon | M50 | 2224 | 1:39:30 | 66.0% | |
| Nationale-Nederlanden San Silvestre Vallecana Popular · 10K | M45 | 1478 | 43:29 | 68.7% | |
| Maratón Valencia Trinidad Alfonso Zurich | M45 | 10767 | 3:36:54 | 62.9% | |
| Madrid Vintage Run: Madrid Vintage Run by Total Energies | M45 | 1089 | 41:36 | 71.8% | |
| Nationale-Nederlanden San Silvestre Vallecana Popular · 10K | M45 | 1020 | 43:06 | 68.7% | |
| Maratón Valencia Trinidad Alfonso Zurich | M45 | 6410 | 3:38:48 | 61.8% | |
| Maratón Valencia Trinidad Alfonso Zurich | M45 | 5451 | 3:27:07 | 63.6% | |
| Maratón Valencia Trinidad Alfonso Zurich | Master M | 4825 | 3:29:16 | 62.5% |
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