Michael Berger
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11
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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
2
Countries visited ?
South Africa
United States
73,9%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 9 786; Σ finishers = 13 247. 9 786 / 13 247 × 100 = 73.87%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races780 km
Longest race100,0 km
12th Javelina Jundred 100 km Endurance Run — 1/11/2014
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road28,1%
Trail71,9%
HISTORY
11 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2017 | ||||
| 01.04 | 50mi | 13:09:22 h | 69 | |
| 25.02 | 50km | 5:57:17 h | 14 | |
| 2016 | ||||
| 04.12 | 50km | 6:29:33 h | 120 | |
| 2014 | ||||
| 01.11 | 100km | 19:42:44 h | 81 | |
| 01.06 | 89km | 11:28:38 h | 8921 | |
| 26.04 | 50km | 7:56:51 h | 107 | |
| 2013 | ||||
| 13.07 | 50km | 9:49:30 h | 93 | |
| 2012 | ||||
| 07.01 | 100km | 20:34:36 h | 145 | |
| 2011 | ||||
| 12.11 | 50mi | 9:39:27 h | 57 | |
| 27.08 | 50km | 8:11:28 h | 126 | |
| 2009 | ||||
| 31.10 | 50mi | 10:09:15 h | 64 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 1/11/2014 | 12th Javelina Jundred 100 km Endurance Run | 100,00 | ×4 |
| ✓ 2 | 7/1/2012 | 12th Bandera 100 km Ultratrail | 100,00 | ×4 |
| ✓ 3 | 1/6/2014 | 89th Comrades Marathon - Down Run | 89,00 | ×3 |
| ✓ 4 | 1/4/2017 | 23rd Umstead Endurance Run 50 Miles | 80,47 | ×3 |
| ✓ 5 | 12/11/2011 | 1st Last Chance 50 Mile | 80,47 | ×3 |
| ✓ 6 | 31/10/2009 | 14th Helen Klein Ultra Classic 50mi | 80,47 | ×3 |
| ✓ 7 | 25/2/2017 | 8th Orange Curtain 50km Ultra Race | 50,00 | ×2 |
| ✓ 8 | 4/12/2016 | 30th OTHTC High Desert 50K Ultra | 50,00 | ×2 |
| ✓ 9 | 26/4/2014 | 22nd Leona Divide 50 km Run | 50,00 | ×2 |
| ✓ 10 | 13/7/2013 | 4th Cuyamaca Three Peaks 50K Run | 50,00 | ×2 |
| ✓ 11 | 27/8/2011 | 20th Bulldog 50k Ultra Run | 50,00 | ×2 |