Ralph Mathiessen
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Born : 1987
Cat. M35 Ultrarunner since 2011
18
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
South Africa
AustraliaSouth Africa34,8%
Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 17 073; Σ finishers = 49 019. 17 073 / 49 019 × 100 = 34.83%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed18
Km — ultra races1 390 km
> 100 km4
> 160 km1
> 24h4
> 48h3
Longest race167,7 km
Red's Backyard Ultra — 1/8/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road45,8%
Trail18,0%
Elim.36,2%
HISTORY
18 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 1/8/2026 | Red's Backyard Ultra | 167,65 | ×5 |
| ✓ 2 | 2/8/2024 | Red's Backyard Ultra | 120,71 | ×3 |
| ✓ 3 | 25/10/2025 | Red's Backyard Ultra | 114,00 | ×3 |
| ✓ 4 | 5/8/2023 | Red's Backyard Ultra | 100,59 | ×3 |
| ✓ 5 | 29/10/2022 | 14th Ultra-Trail Australia 100 km | 100,00 | ×3 |
| ✓ 6 | 28/8/2022 | 95th Comrades Marathon - Down Run | 90,00 | ×2 |
| ✓ 7 | 10/6/2018 | 93rd Comrades Marathon - Down Run | 90,00 | ×2 |
| ✓ 8 | 9/6/2019 | 94th Comrades Marathon - Up Run | 87,00 | ×2 |
| ✓ 9 | 5/11/2017 | Carcoar Cup Running Festival | 60,00 | ×1 |
| ✓ 10 | 6/11/2016 | Carcoar Cup Running Festival | 60,00 | ×1 |
| ✓ 11 | 13/5/2023 | 10th Ultra-Trail Australia 50 km | 50,00 | ×1 |
| ✓ 12 | 5/3/2022 | 8th Stromlo Lightning Strike 50km | 50,00 | ×1 |
| ✓ 13 | 31/8/2019 | Wingello Trail Festival | 50,00 | ×1 |
| ✓ 14 | 14/4/2019 | 25th Canberra 50km Ultramarathon | 50,00 | ×1 |
| ✓ 15 | 15/4/2018 | 24th Canberra 50km Ultramarathon | 50,00 | ×1 |
| ✓ 16 | 9/4/2017 | 23rd Canberra 50km Ultramarathon | 50,00 | ×1 |
| ✓ 17 | 10/4/2016 | 22nd Canberra 50km Ultramarathon | 50,00 | ×1 |
| ✓ 18 | 10/4/2011 | 17th Canberra 50km Ultramarathon | 50,00 | ×1 |