Jason Rantall
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Born : 1973
Cat. M50 Ultrarunner since 2019
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
41
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 ?Australia
Australia10,5%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 118; Σ finishers = 1 121. 118 / 1 121 × 100 = 10.53%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races1 850 km
> 100 km6
> 160 km6
> 200 km5
> 24h5
> 48h4
Longest race449,3 km
Red's Backyard Ultra — 1/8/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road6,5%
Trail8,7%
Elim.84,8%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 33
🏅 Top 3 M3
Longest winning streak0
Current streak0
Records
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 01.08 | Backyard Ultra | Red's Backyard Ultra |
449.302 km (67h) | 3 🥉 |
| 02.05 | Backyard Ultra | Melbourne Frontyard Ultra |
301.770 km (45h) | 7 |
| 13.03 | Backyard Ultra | 6th Herdy's Frontyard Ultra |
328.594 km (49h) | 2 🥈 |
| 2025 | ||||
| 21.11 | 100mi | Great Southern Endurance Run (GSER100) |
31:03:03 h | 9 |
| 20.09 | Backyard Ultra | 4. GV Last Man Standing |
248.122 km (37h) | 7 |
| 18.07 | Backyard Ultra | Wild Dog Backyard Ultra |
241.416 km (36h) | 2 🥈 |
| 2021 | ||||
| 16.05 | 60km | The Great Ocean Road Int. Marathon |
6:06:06 h | 52 |
| 2019 | ||||
| 19.05 | 60km | The Great Ocean Road Int. Marathon |
5:47:45 h | 44 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 1/8/2026 | Red's Backyard Ultra | 449,30 | ×10 |
| ✓ 2 | 13/3/2026 | 6th Herdy's Frontyard Ultra | 328,59 | ×8 |
| ✓ 3 | 2/5/2026 | Melbourne Frontyard Ultra | 301,77 | ×7 |
| ✓ 4 | 20/9/2025 | 4. GV Last Man Standing | 248,12 | ×6 |
| ✓ 5 | 18/7/2025 | Wild Dog Backyard Ultra | 241,42 | ×5 |
| ✓ 6 | 21/11/2025 | Great Southern Endurance Run (GSER100) | 160,93 | ×3 |
| ✓ 7 | 16/5/2021 | The Great Ocean Road Int. Marathon | 60,00 | ×1 |
| ✓ 8 | 19/5/2019 | The Great Ocean Road Int. Marathon | 60,00 | ×1 |