Jamie Zhang
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7
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
20
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
1
Countries visited ?
United States
71,7%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 1 688; Σ finishers = 2 355. 1 688 / 2 355 × 100 = 71.68%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed7
Km — ultra races471 km
Longest race80,5 km
10th Trail Festival at Pineland Farms — 24/5/2015
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road38,2%
Trail61,8%
Records
HISTORY
7 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2015 | ||||
| 14.11 | 60km | 7:08:14 h | 210 | |
| 04.10 | 50km | 6:43:03 h | 210 | |
| 24.05 | 50mi | 11:39:02 h | 96 | |
| 18.04 | 50mi | 12:39:00 h | 194 | |
| 2014 | ||||
| 22.11 | 50mi | 11:31:01 h | 675 | |
| 2012 | ||||
| 17.11 | 60km | 6:44:56 h | 178 | |
| 2011 | ||||
| 19.11 | 60km | 6:38:39 h | 132 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 24/5/2015 | 10th Trail Festival at Pineland Farms | 80,47 | ×4 |
| ✓ 2 | 18/4/2015 | 8th Endurance Challenge - Washington D.C. Trail 50 Miles | 80,47 | ×4 |
| ✓ 3 | 22/11/2014 | 52nd JFK 50 Mile | 80,47 | ×4 |
| ✓ 4 | 14/11/2015 | 35th NYRR Knickerbocker 60K | 60,00 | ×3 |
| ✓ 5 | 17/11/2012 | 32nd NYRR Knickerbocker 60K | 60,00 | ×3 |
| ✓ 6 | 19/11/2011 | 31st NYRR Knickerbocker 60K | 60,00 | ×3 |
| ✓ 7 | 4/10/2015 | 10th Blues Cruise 50K Ultra Trail | 50,00 | ×2 |