Christopher Duck
External sources
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Born : 1973
Cat. M50 Ultrarunner since 2016
3
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
17
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 ?United Kingdom
United Kingdom19,5%
Rank quotient ?This runner's calculation uses 3 eligible race(s): Σ(rank − 1) = 132; Σ finishers = 678. 132 / 678 × 100 = 19.47%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed3
Km — ultra races354 km
> 100 km1
> 160 km1
Longest race177,0 km
18th Hardmoors 110 — 31/5/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
No record for a classic ultra format
HISTORY
3 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 31.05 | 110mi | 18th Hardmoors 110 |
30:46:28 h | 22 |
| 2017 | ||||
| 18.03 | 55mi | 8th Hardmoors 55 |
10:15:52 h | 40 |
| 2016 | ||||
| 19.03 | 55mi | Hardmoors 55 |
11:15:15 h | 73 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 31/5/2025 | 18th Hardmoors 110 | 177,03 | ×10 |
| ✓ 2 | 18/3/2017 | 8th Hardmoors 55 | 88,51 | ×5 |
| ✓ 3 | 19/3/2016 | Hardmoors 55 | 88,51 | ×5 |