Bradley Claase
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Born : 1988
Cat. M35 Ultrarunner since 2018
13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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 Africa6,3%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 117; Σ finishers = 1 851. 117 / 1 851 × 100 = 6.32%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races815 km
> 100 km1
> 160 km1
> 24h2
Longest race160,9 km
3rd Delta Backyard Ultra — 1/5/2022
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail74,5%
Elim.25,5%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 34
🏅 Top 3 M5
Longest winning streak0
Current streak0
Records
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 26.07 | 53km | 11th Merrell Whale of Trail |
5:09:28 h | 3 🥉 |
| 2024 | ||||
| 22.11 | 55km | 11th Ultra-Trail Cape Town (UTCT) 55 km |
6:59:44 h | 25 |
| 27.07 | 53km | 10th Merrell Whale of Trail |
5:29:03 h | 6 |
| 26.04 | 65km | 8th Ultra Trail Drakensberg - Giant’s Cup Uncut (GCU 62) |
6:04:24 h | 3 🥉 |
| 02.03 | 45km | 1st Pass2Pass Ultra-Trail |
4:26:18 h | 5 |
| 2023 | ||||
| 05.08 | 53km | 9th Merrell Whale of Trail |
5:11:39 h | 2 🥈 |
| 18.03 | 50km | 2nd Magoebas Forest Marathon |
6:42:56 h | 7 |
| 2022 | ||||
| 30.07 | 53km | 8th Merrell Whale of Trail |
5:40:58 h | 6 |
| 01.05 | Backyard Ultra | 3rd Delta Backyard Ultra |
160.944 km (24h) | 7 |
| 2021 | ||||
| 30.10 | Backyard Ultra | 5th Backyard Ultra Series - Taroko Trail Park |
46.942 km (7h) | 44 |
| 2019 | ||||
| 16.11 | 65km | 12th SkyRun Lite 65 km |
9:12:10 h | 2 🥈 |
| 2018 | ||||
| 01.12 | 65km | 5th Ultra-Trail Cape Town (UTCT) 65 km |
8:24:14 h | 16 |
| 11.08 | 50km | 4th Magaliesberg Challenge |
5:42:38 h | 4 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 1/5/2022 | 3rd Delta Backyard Ultra | 160,94 | ×6 |
| ✓ 2 | 26/4/2024 | 8th Ultra Trail Drakensberg - Giant’s Cup Uncut (GCU 62) | 65,00 | ×2 |
| ✓ 3 | 16/11/2019 | 12th SkyRun Lite 65 km | 65,00 | ×2 |
| ✓ 4 | 1/12/2018 | 5th Ultra-Trail Cape Town (UTCT) 65 km | 65,00 | ×2 |
| ✓ 5 | 22/11/2024 | 11th Ultra-Trail Cape Town (UTCT) 55 km | 55,00 | ×2 |
| ✓ 6 | 26/7/2025 | 11th Merrell Whale of Trail | 53,00 | ×2 |
| ✓ 7 | 27/7/2024 | 10th Merrell Whale of Trail | 53,00 | ×2 |
| ✓ 8 | 5/8/2023 | 9th Merrell Whale of Trail | 53,00 | ×2 |
| ✓ 9 | 30/7/2022 | 8th Merrell Whale of Trail | 53,00 | ×2 |
| ✓ 10 | 18/3/2023 | 2nd Magoebas Forest Marathon | 50,00 | ×1 |
| ✓ 11 | 11/8/2018 | 4th Magaliesberg Challenge | 50,00 | ×1 |
| ✓ 12 | 30/10/2021 | 5th Backyard Ultra Series - Taroko Trail Park | 46,94 | ×1 |
| ✓ 13 | 2/3/2024 | 1st Pass2Pass Ultra-Trail | 45,00 | ×1 |