Thomas Estrin
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Born : 1980
Cat. M45 Ultrarunner since 2012
16
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
3
Countries visited ?
Austria
IcelandSweden
AustriaIcelandSweden32,8%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 1 337; Σ finishers = 4 080. 1 337 / 4 080 × 100 = 32.77%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races1 478 km
> 100 km5
> 160 km2
Longest race162,0 km
The Gax 100 miles — 16/7/2022
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road3,4%
Trail96,6%
Wins & podiums (ultra)
🏆 Win1
🏆 Win M1
🏅 Top 31
🏅 Top 3 M1
Longest winning streak1
Current streak0
HISTORY
17 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 13.06 | 80km | 9 EcoTrail Stockholm 80 km |
8:59:31 h | 19 |
| 2025 | ||||
| 16.08 | 92km | 11th Ultravasan90 |
8:54:40 h | 87 |
| 06.06 | 106km | 9th Hengill Ultra 106k |
15:37:27 h | 7 |
| 2024 | ||||
| 01.11 | 161km | Kullamannen Ultra 100 miles |
25:53:25 h | 231 |
| 26.07 | 110km | Grossglockner ULTRA-Trail (GGUT 110) |
25:21:20 h | 146 |
| 16.03 | 50mi | GotRun Trail Fest - Enkle (NC Trail Long) |
8:49:01 h | 33 |
| 16.03 | 50mi | 3. GotRun Trail Fest - Enkle |
8:49:01 h | 34 |
| 2023 | ||||
| 07.10 | 50km | 9 Gotland Ultramarathon |
4:27:33 h | 10 |
| 16.09 | 100km | Sörmlands 100 - 98km |
11:09:03 h | 6 |
| 2022 | ||||
| 16.07 | 162km | The Gax 100 miles |
23:08:13 h | 30 |
| 09.04 | 60km | Österlen Spring Trail - Simris Alg Ultra |
6:50:18 h | 97 |
| 14.01 | 144km | 1. GotRun Winter Trail - Dubble |
18:07:54 h | 1 🏆 |
| 2021 | ||||
| 21.08 | 50km | Fjällmaraton Bydalsfjällen |
9:24:08 h | 193 |
| 2019 | ||||
| 05.10 | 51km | 6 Gotland Ultramarathon |
6:23:15 h | 66 |
| 2017 | ||||
| 07.10 | 51km | 4 Gotland Ultramarathon |
7:03:55 h | 37 |
| 2013 | ||||
| 04.08 | 50km | Stockholm 50 km Ultramarathon |
5:26:01 h | 145 |
| 2012 | ||||
| 28.04 | 50km | Lidingö Ultra 50 km |
5:26:24 h | 212 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 16/7/2022 | The Gax 100 miles | 162,00 | ×4 |
| ✓ 2 | 1/11/2024 | Kullamannen Ultra 100 miles | 161,00 | ×4 |
| ✓ 3 | 14/1/2022 | 1. GotRun Winter Trail - Dubble | 144,00 | ×4 |
| ✓ 4 | 26/7/2024 | Grossglockner ULTRA-Trail (GGUT 110) | 110,00 | ×3 |
| ✓ 5 | 6/6/2025 | 9th Hengill Ultra 106k | 106,00 | ×3 |
| ✓ 6 | 16/9/2023 | Sörmlands 100 - 98km | 100,00 | ×3 |
| ✓ 7 | 16/8/2025 | 11th Ultravasan90 | 92,00 | ×2 |
| ✓ 8 | 16/3/2024 | GotRun Trail Fest - Enkle (NC Trail Long) | 80,47 | ×2 |
| ✓ 9 | 13/6/2026 | 9 EcoTrail Stockholm 80 km | 80,00 | ×2 |
| ✓ 10 | 9/4/2022 | Österlen Spring Trail - Simris Alg Ultra | 60,00 | ×1 |
| ✓ 11 | 5/10/2019 | 6 Gotland Ultramarathon | 51,00 | ×1 |
| ✓ 12 | 7/10/2017 | 4 Gotland Ultramarathon | 51,00 | ×1 |
| ✓ 13 | 7/10/2023 | 9 Gotland Ultramarathon | 50,00 | ×1 |
| ✓ 14 | 21/8/2021 | Fjällmaraton Bydalsfjällen | 50,00 | ×1 |
| ✓ 15 | 4/8/2013 | Stockholm 50 km Ultramarathon | 50,00 | ×1 |
| ✓ 16 | 28/4/2012 | Lidingö Ultra 50 km | 50,00 | ×1 |