John Kupferschmidt
External sources
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16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
49
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 ?
Austria
Germany
93,0%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 5 587; Σ finishers = 6 005. 5 587 / 6 005 × 100 = 93.04%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed58
Km — ultra races4 226 km
> 100 km13
> 160 km9
> 200 km3
> 24h2
Longest race420,6 km
2. Internationaler Spreelauf Gesamtwertung — 28/8/2001
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road17,8%
Trail11,4%
Stage70,8%
Records
HISTORY
39 race(s) · 13 stage(s) nested| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 28/8/2001 | 2. Internationaler Spreelauf Gesamtwertung | 420,60 | ×8 |
| ✓ 2 | 25/7/2010 | 3. Baltic Run Berlin-Usedom (Gesamtwertung) | 324,00 | ×6 |
| ✓ 3 | 3/5/2016 | 1. Berlin - Brocken 2016 | 300,00 | ×6 |
| ✓ 4 | 30/9/2017 | 3. Berliner MauerwegTour | 175,00 | ×3 |
| ✓ 5 | 9/11/2012 | Berliner MauerwegTour Gesamtwertung | 175,00 | ×3 |
| ✓ 6 | 5/11/2010 | Berliner MauerwegTour Gesamtwertung | 174,00 | ×3 |
| ✓ 7 | 16/8/2014 | 3. Mauerweglauf 100 Meilen Berlin | 160,93 | ×3 |
| ✓ 8 | 17/8/2013 | 2. Mauerweglauf 100 Meilen Berlin | 160,93 | ×3 |
| ✓ 9 | 20/8/2011 | 1. Mauerweglauf 100 Meilen Berlin | 160,93 | ×3 |
| ✓ 10 | 15/6/2013 | 1. 24 Stunden von Frohnau | 141,75 | ×2 |
| ✓ 11 | 3/11/2018 | 5. Wien - Rundumadum 130 km | 130,00 | ×2 |
| ✓ 12 | 28/10/2017 | 4. Wien - Rundumadum 130 km | 130,00 | ×2 |
| ✓ 13 | 30/6/2018 | 9. Zehdenicker 29-Stunden-Lauf | 127,20 | ×2 |
| ✓ 14 | 15/5/1999 | 27. GutsMuths-Rennsteiglauf | 76,00 | ×1 |
| ✓ 15 | 20/5/2017 | 45. GutsMuths-Rennsteiglauf | 73,50 | ×1 |
| ✓ 16 | 9/5/2015 | 43. GutsMuths-Rennsteiglauf | 72,70 | ×1 |