David Griebel
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Born : 1961
Cat. M65 Ultrarunner since 1997
5
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
21
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 States28,1%
Rank quotient ?This runner's calculation uses 5 eligible race(s): Σ(rank − 1) = 101; Σ finishers = 359. 101 / 359 × 100 = 28.13%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed5
Km — ultra races515 km
> 100 km2
> 160 km1
> 24h1
Longest race160,9 km
6th Lean Horse Ultra-Marathon 100 Mile — 28/8/2010
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road53,1%
Trail46,9%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
HISTORY
5 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2010 | ||||
| 28.08 | 100mi | 6th Lean Horse Ultra-Marathon 100 Mile |
21:39:26 h | 13 |
| 2007 | ||||
| 01.09 | 50mi | 1st The North Face Endurance Challenge Iowa |
8:03:30 h | 14 |
| 2005 | ||||
| 30.07 | 50mi | 24th Minnesota Voyageur Trail 50 Mile Ultra |
9:12:32 h | 7 |
| 04.06 | 12h | 16th FANS 12 Hour Run |
109.628 km | 3 🥉 |
| 1997 | ||||
| 28.06 | 24h | 8th FANS 24 Hour Runs |
83.203 km | 69 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 28/8/2010 | 6th Lean Horse Ultra-Marathon 100 Mile | 160,93 | ×7 |
| ✓ 2 | 4/6/2005 | 16th FANS 12 Hour Run | 109,63 | ×5 |
| ✓ 3 | 28/6/1997 | 8th FANS 24 Hour Runs | 83,20 | ×3 |
| ✓ 4 | 1/9/2007 | 1st The North Face Endurance Challenge Iowa | 80,47 | ×3 |
| ✓ 5 | 30/7/2005 | 24th Minnesota Voyageur Trail 50 Mile Ultra | 80,47 | ×3 |