Bart Tas
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Born : 1976
Cat. M50 Ultrarunner since 2014
13
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
3
Countries visited ?
ItalyNetherlands
Switzerland
ItalyNetherlandsSwitzerland10,8%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 236; Σ finishers = 2 183. 236 / 2 183 × 100 = 10.81%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races858 km
> 100 km3
Longest race122,0 km
Monterosa Walser Waeg by UTMB - SDV120 — 17/7/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 32
🏅 Top 3 M2
Longest winning streak0
Current streak0
Records
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 17.07 | 122km | Monterosa Walser Waeg by UTMB - SDV120 |
24:07:07 h | 86 |
| 07.03 | 50km | 13. SallandTrail 50 km |
4:21:56 h | 4 |
| 2025 | ||||
| 08.03 | 50km | 12. SallandTrail 50 km |
4:02:42 h | 6 |
| 2017 | ||||
| 03.09 | 53km | Wisenttrail |
4:52:35 h | 3 🥉 |
| 09.06 | 103km | 2^ Dolomiti Extreme Trail 103km |
21:54:09 h | 58 |
| 11.03 | 50km | 6. SallandTrail 50 km |
4:34:45 h | 17 |
| 2016 | ||||
| 04.09 | 53km | Wisenttrail |
5:05:38 h | 6 |
| 19.06 | 55km | 55 km Veluwezoom Trail |
5:11:29 h | 8 |
| 2015 | ||||
| 24.07 | 121km | 3. Südtirol Ultra Skyrace |
26:24:49 h | 24 |
| 28.06 | 55km | 55 km Veluwezoom Trail |
4:48:49 h | 5 |
| 14.03 | 50km | 4. SallandTrail 50 km |
4:13:07 h | 7 |
| 31.01 | 45km | Run Forest Run 45 km Drentsche |
3:58:53 h | 3 🥉 |
| 2014 | ||||
| 19.07 | 51km | 2. Eiger Ultra Trail 51 km |
7:09:28 h | 22 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 17/7/2026 | Monterosa Walser Waeg by UTMB - SDV120 | 122,00 | ×4 |
| ✓ 2 | 24/7/2015 | 3. Südtirol Ultra Skyrace | 121,00 | ×4 |
| ✓ 3 | 9/6/2017 | 2^ Dolomiti Extreme Trail 103km | 103,00 | ×4 |
| ✓ 4 | 19/6/2016 | 55 km Veluwezoom Trail | 55,00 | ×2 |
| ✓ 5 | 28/6/2015 | 55 km Veluwezoom Trail | 55,00 | ×2 |
| ✓ 6 | 3/9/2017 | Wisenttrail | 53,00 | ×2 |
| ✓ 7 | 4/9/2016 | Wisenttrail | 53,00 | ×2 |
| ✓ 8 | 19/7/2014 | 2. Eiger Ultra Trail 51 km | 51,00 | ×2 |
| ✓ 9 | 7/3/2026 | 13. SallandTrail 50 km | 50,00 | ×2 |
| ✓ 10 | 8/3/2025 | 12. SallandTrail 50 km | 50,00 | ×2 |
| ✓ 11 | 11/3/2017 | 6. SallandTrail 50 km | 50,00 | ×2 |
| ✓ 12 | 14/3/2015 | 4. SallandTrail 50 km | 50,00 | ×2 |
| ✓ 13 | 31/1/2015 | Run Forest Run 45 km Drentsche | 45,00 | ×1 |