George Zimmerman
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Born : 1951
Cat. M75 Ultrarunner since 1983
15
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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
United States34,1%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 1 141; Σ finishers = 3 344. 1 141 / 3 344 × 100 = 34.12%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 059 km
Longest race84,3 km
The Forty-Niner Double Marathon Trail Run — 6/4/1985
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win1
🏆 Win M1
🏅 Top 34
🏅 Top 3 M5
Longest winning streak1
Current streak0
Records
HISTORY
15 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 1997 | ||||
| 22.11 | 50mi | 35th JFK 50 Mile |
10:35:03 h | 382 |
| 1995 | ||||
| 18.11 | 50mi | 33rd JFK 50 Mile |
10:18:36 h | 228 |
| 1994 | ||||
| 19.11 | 50mi | 32nd JFK 50 Mile |
10:02:43 h | 217 |
| 1992 | ||||
| 21.11 | 50mi | 30th JFK 50 Mile |
9:43:16 h | 124 |
| 1990 | ||||
| 17.11 | 50mi | 28th JFK 50 Mile |
9:18:49 h | 117 |
| 1987 | ||||
| 10.10 | 50mi | 5th Dick Collins Firetrails 50 Mile |
7:41:19 h | 4 |
| 17.05 | 50km | 1st Ohlone 50K Wilderness Run |
4:52:32 h | 6 |
| 1986 | ||||
| 11.10 | 50mi | 4th Dick Collins Firetrails 50 Mile |
7:45:23 h | 2 🥈 |
| 03.08 | 50km | 5th Skyline 50k Endurance Run |
4:14:41 h | 2 🥈 |
| 1985 | ||||
| 04.08 | 50km | 4th Skyline 50k Endurance Run |
4:13:09 h | 22 |
| 11.05 | 50mi | 2nd Quicksilver 50 Mile Endurance Run |
7:06:13 h | 2 🥈 |
| 06.04 | 52.4mi | The Forty-Niner Double Marathon Trail Run |
7:49:28 h | 13 |
| 1984 | ||||
| 22.10 | 50mi | 2nd Dick Collins Firetrails 50 Mile |
8:08:29 h | 1 🏆 |
| 05.08 | 50km | 3rd Skyline 50k Endurance Run |
4:21:15 h | 24 |
| 1983 | ||||
| 07.08 | 50km | 2nd Skyline 50k Endurance Run |
4:30:48 h | 12 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 6/4/1985 | The Forty-Niner Double Marathon Trail Run | 84,33 | ×3 |
| ✓ 2 | 22/11/1997 | 35th JFK 50 Mile | 80,47 | ×3 |
| ✓ 3 | 18/11/1995 | 33rd JFK 50 Mile | 80,47 | ×3 |
| ✓ 4 | 19/11/1994 | 32nd JFK 50 Mile | 80,47 | ×3 |
| ✓ 5 | 21/11/1992 | 30th JFK 50 Mile | 80,47 | ×3 |
| ✓ 6 | 17/11/1990 | 28th JFK 50 Mile | 80,47 | ×3 |
| ✓ 7 | 10/10/1987 | 5th Dick Collins Firetrails 50 Mile | 80,47 | ×3 |
| ✓ 8 | 11/10/1986 | 4th Dick Collins Firetrails 50 Mile | 80,47 | ×3 |
| ✓ 9 | 11/5/1985 | 2nd Quicksilver 50 Mile Endurance Run | 80,47 | ×3 |
| ✓ 10 | 22/10/1984 | 2nd Dick Collins Firetrails 50 Mile | 80,47 | ×3 |
| ✓ 11 | 17/5/1987 | 1st Ohlone 50K Wilderness Run | 50,00 | ×1 |
| ✓ 12 | 3/8/1986 | 5th Skyline 50k Endurance Run | 50,00 | ×1 |
| ✓ 13 | 4/8/1985 | 4th Skyline 50k Endurance Run | 50,00 | ×1 |
| ✓ 14 | 5/8/1984 | 3rd Skyline 50k Endurance Run | 50,00 | ×1 |
| ✓ 15 | 7/8/1983 | 2nd Skyline 50k Endurance Run | 50,00 | ×1 |