Douglas Thirlwell
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Born : 1948
Cat. M75 Ultrarunner since 1980
5
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
18
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 Africa84,8%
Rank quotient ?This runner's calculation uses 5 eligible race(s): Σ(rank − 1) = 12 566; Σ finishers = 14 810. 12 566 / 14 810 × 100 = 84.85%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed5
Km — ultra races346 km
Longest race90,0 km
55th Comrades Marathon - Down Run — 31/5/1980
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
No record for a classic ultra format
HISTORY
5 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 1983 | ||||
| 31.05 | 88km | 58th Comrades Marathon - Up Run |
10:16:23 h | 4127 |
| 02.04 | 56km | 14th Two Oceans Marathon |
5:28:31 h | 1982 |
| 1981 | ||||
| 18.04 | 56km | 12th Two Oceans Marathon |
5:54:16 h | 1565 |
| 1980 | ||||
| 31.05 | 90km | 55th Comrades Marathon - Down Run |
10:39:00 h | 3725 |
| 05.04 | 56km | 11th Two Oceans Marathon |
5:33:35 h | 1172 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 31/5/1980 | 55th Comrades Marathon - Down Run | 90,00 | ×5 |
| ✓ 2 | 31/5/1983 | 58th Comrades Marathon - Up Run | 88,00 | ×4 |
| ✓ 3 | 2/4/1983 | 14th Two Oceans Marathon | 56,00 | ×3 |
| ✓ 4 | 18/4/1981 | 12th Two Oceans Marathon | 56,00 | ×3 |
| ✓ 5 | 5/4/1980 | 11th Two Oceans Marathon | 56,00 | ×3 |