Mark Dugan
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5
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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 ?
Australia
New Zealand
43,0%
Rank quotient ?This runner's calculation uses 5 eligible race(s): Σ(rank − 1) = 682; Σ finishers = 1 586. 682 / 1 586 × 100 = 43.00%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed5
Km — ultra races684 km
> 100 km4
> 160 km2
> 200 km1
> 24h3
> 48h2
Longest race207,9 km
Red's Backyard Ultra — 1/8/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road14,7%
Trail38,2%
Elim.47,1%
HISTORY
5 race(s) · 2 split(s) nested| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 01.08 | Backyard Ultra | 207.886 km (31h) | 26 | |
| 21.03 | 100mi | 41:37:13 h | 42 | |
| 2025 | ||||
| 25.10 | Backyard Ultra | 114.002 km (17h) | 44 | |
| 27.09 | 24h | 100.772 km | 22 | |
| 27.09 | 12h | Southern Sydney Track Ultra - 24h - 12h Split | 80.866 km | 22 |
| 27.09 | 100km | Southern Sydney Track Ultra - 24h - 100km Split | 15:35:02 h | 22 |
| 17.05 | 100km | 18:13:44 h | 553 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 1/8/2026 | Red's Backyard Ultra | 207,89 | ×8 |
| ✓ 2 | 21/3/2026 | 14th Northburn Station 100 Miler Mountain Run | 160,93 | ×6 |
| ✓ 3 | 25/10/2025 | Red's Backyard Ultra | 114,00 | ×4 |
| ✓ 4 | 27/9/2025 | Southern Sydney Track Ultra - 24h | 100,77 | ×4 |
| ✓ 5 | 17/5/2025 | 17th Ultra-Trail Australia by UTMB - UTA100 | 100,00 | ×4 |