Stefan Grienitz
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
Born : 1981
Cat. M45 Ultrarunner since 2022
7
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
2
Countries visited ?Germany
Switzerland
GermanySwitzerland58,7%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 703; Σ finishers = 1 198. 703 / 1 198 × 100 = 58.68%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed7
Km — ultra races523 km
> 100 km1
> 24h1
Longest race127,3 km
35. Sri Chinmoy 24h Lauf Basel — 9/5/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road61,5%
Trail38,5%
HISTORY
7 race(s) · 1 split(s) nested| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 09.05 | 24h | 35. Sri Chinmoy 24h Lauf Basel |
127.286 km | 14 |
| 09.05 | 100km | 35. Sri Chinmoy 24h Lauf Basel - 100km Split | 13:58:35 h | 5 |
| 2024 | ||||
| 07.06 | 100km | 65. Bieler Lauftage - 100km |
13:31:48 h | 325 |
| 2023 | ||||
| 20.05 | 6h | 15. Otterndorfer Gezeitenlauf |
47.625 km | 17 |
| 22.04 | 6h | 5. Nordholzer 6-Stundenlauf |
46.796 km | 10 |
| 2022 | ||||
| 01.10 | 100km | 8. Taubertal 100 km |
14:44:04 h | 68 |
| 18.09 | 48km | 3. Herforder Highway Ultra - 48km |
5:34:16 h | 9 |
| 30.04 | 53km | 41. Harzquerung Wernigerode-Nordhausen |
7:17:30 h | 267 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 9/5/2026 | 35. Sri Chinmoy 24h Lauf Basel | 127,29 | ×6 |
| ✓ 2 | 7/6/2024 | 65. Bieler Lauftage - 100km | 100,00 | ×4 |
| ✓ 3 | 1/10/2022 | 8. Taubertal 100 km | 100,00 | ×4 |
| ✓ 4 | 30/4/2022 | 41. Harzquerung Wernigerode-Nordhausen | 53,00 | ×2 |
| ✓ 5 | 18/9/2022 | 3. Herforder Highway Ultra - 48km | 48,00 | ×2 |
| ✓ 6 | 20/5/2023 | 15. Otterndorfer Gezeitenlauf | 47,63 | ×2 |
| ✓ 7 | 22/4/2023 | 5. Nordholzer 6-Stundenlauf | 46,80 | ×2 |