Christoph Kreienbrink
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 : 1982
Cat. M40 Ultrarunner since 2023
6
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
20
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 ?
AustriaGermany
AustriaGermany20,7%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 211; Σ finishers = 1 020. 211 / 1 020 × 100 = 20.69%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed6
Km — ultra races440 km
> 100 km1
> 24h1
Longest race100,6 km
5. O-See Backyard Ultra — 12/7/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road17,7%
Trail59,4%
Elim.22,9%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
Records
HISTORY
6 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 13.06 | 70km | 1. Osnabrücker Ringweg Ultramarathon |
7:17:45 h | 2 🥈 |
| 2025 | ||||
| 22.11 | 15h | 3 Heartbeat Ultra - 15h |
78.000 km | 59 |
| 12.07 | Backyard Ultra | 5. O-See Backyard Ultra |
100.590 km (15h) | 49 |
| 2023 | ||||
| 03.06 | 67km | Innsbruck Alpine Trailrun Festival K65 |
8:02:14 h | 56 |
| 15.04 | 63.3km | 9. Osnabrücker PiesBERG- Ultra- Marathon |
7:44:05 h | 20 |
| 25.03 | 61km | 7. Schweriner Seentrail |
5:59:19 h | 31 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 12/7/2025 | 5. O-See Backyard Ultra | 100,59 | ×5 |
| ✓ 2 | 22/11/2025 | 3 Heartbeat Ultra - 15h | 78,00 | ×3 |
| ✓ 3 | 13/6/2026 | 1. Osnabrücker Ringweg Ultramarathon | 70,00 | ×3 |
| ✓ 4 | 3/6/2023 | Innsbruck Alpine Trailrun Festival K65 | 67,00 | ×3 |
| ✓ 5 | 15/4/2023 | 9. Osnabrücker PiesBERG- Ultra- Marathon | 63,30 | ×3 |
| ✓ 6 | 25/3/2023 | 7. Schweriner Seentrail | 61,00 | ×3 |