Stephan Koch
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Born : 1993
Cat. M23 Ultrarunner since 2019
16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
28
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 ?South Africa
South Africa2,6%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 3 429; Σ finishers = 129 444. 3 429 / 129 444 × 100 = 2.65%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 056 km
Longest race90,0 km
98th Comrades Marathon - Down Run — 8/6/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
16 race(s) · 1 split(s) nested| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 14.06 | 86km | 99th Comrades Marathon - Up Run |
6:48:06 h | 219 |
| 2025 | ||||
| 08.06 | 90km | 98th Comrades Marathon - Down Run |
6:54:49 h | 255 |
| 26.04 | 50km | 36th Loskop Ultra Marathon 50km |
3:41:51 h | 60 |
| 15.03 | 50km | 34th Om Die Dam 50km |
3:52:59 h | 90 |
| 2024 | ||||
| 09.06 | 87km | 97th Comrades Marathon - Up Run |
6:34:08 h | 143 |
| 31.03 | 50km | City2City Ultra Marathon |
3:53:24 h | 126 |
| 16.03 | 50km | 33th Om Die Dam 50km |
3:34:57 h | 38 |
| 2023 | ||||
| 11.06 | 87km | 96th Comrades Marathon - Down Run |
6:29:08 h | 147 |
| 06.05 | 50km | 34th Loskop Ultra Marathon 50km |
3:48:01 h | 79 |
| 18.03 | 50km | 32th Om Die Dam 50km |
3:58:14 h | 104 |
| 2022 | ||||
| 28.08 | 90km | 95th Comrades Marathon - Down Run |
7:00:02 h | 167 |
| 11.06 | 50km | 31th Om Die Dam 50km |
3:41:09 h | 79 |
| 2020 | ||||
| 07.03 | 73.3km | 3rd PwC KOSMOS 3-in-1 |
6:12:48 h | 101 |
| 2019 | ||||
| 09.06 | 87km | 94th Comrades Marathon - Up Run |
8:06:31 h | 1146 |
| 20.04 | 56km | 50th Two Oceans Marathon |
4:31:07 h | 516 |
| 20.04 | 50km | 50th Two Oceans Marathon - 50km Split | 4:00:51 h | 531 |
| 16.03 | 50km | 29th Om Die Dam 50km |
4:04:15 h | 175 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 8/6/2025 | 98th Comrades Marathon - Down Run | 90,00 | ×3 |
| ✓ 2 | 28/8/2022 | 95th Comrades Marathon - Down Run | 90,00 | ×3 |
| ✓ 3 | 9/6/2024 | 97th Comrades Marathon - Up Run | 87,00 | ×3 |
| ✓ 4 | 11/6/2023 | 96th Comrades Marathon - Down Run | 87,00 | ×3 |
| ✓ 5 | 9/6/2019 | 94th Comrades Marathon - Up Run | 87,00 | ×3 |
| ✓ 6 | 14/6/2026 | 99th Comrades Marathon - Up Run | 86,00 | ×3 |
| ✓ 7 | 7/3/2020 | 3rd PwC KOSMOS 3-in-1 | 73,30 | ×2 |
| ✓ 8 | 20/4/2019 | 50th Two Oceans Marathon | 56,00 | ×2 |
| ✓ 9 | 26/4/2025 | 36th Loskop Ultra Marathon 50km | 50,00 | ×1 |
| ✓ 10 | 15/3/2025 | 34th Om Die Dam 50km | 50,00 | ×1 |
| ✓ 11 | 31/3/2024 | City2City Ultra Marathon | 50,00 | ×1 |
| ✓ 12 | 16/3/2024 | 33th Om Die Dam 50km | 50,00 | ×1 |
| ✓ 13 | 6/5/2023 | 34th Loskop Ultra Marathon 50km | 50,00 | ×1 |
| ✓ 14 | 18/3/2023 | 32th Om Die Dam 50km | 50,00 | ×1 |
| ✓ 15 | 11/6/2022 | 31th Om Die Dam 50km | 50,00 | ×1 |
| ✓ 16 | 16/3/2019 | 29th Om Die Dam 50km | 50,00 | ×1 |