Christian Boer
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Born : 1979
Cat. M45 Ultrarunner since 2010
18
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
30
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
4
Countries visited ?
Belgium
United KingdomNetherlands
Switzerland
BelgiumUnited KingdomNetherlandsSwitzerland25,9%
Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 1 707; Σ finishers = 6 599. 1 707 / 6 599 × 100 = 25.87%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed18
Km — ultra races1 235 km
> 100 km1
Longest race131,0 km
Jurassic Coast Challenge 131km — 25/3/2022
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail89,4%
Stage10,6%
Records
HISTORY
18 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 27.06 | 55km | Swiss Irontrail T55 |
11:55:19 h | 45 |
| 2025 | ||||
| 07.06 | 83km | 28ème Swiss Canyon Trail 81K |
12:02:56 h | 72 |
| 2024 | ||||
| 08.06 | 81km | 27ème Swiss Canyon Trail 81K |
10:55:55 h | 42 |
| 04.02 | 50km | 5th Drielandenpunt Winter Trail |
5:22:27 h | 60 |
| 2023 | ||||
| 04.02 | 50km | 10. Hivernal Trail |
5:22:52 h | 5 |
| 2022 | ||||
| 25.03 | 131km | Jurassic Coast Challenge 131km |
16:47:39 h | 14 |
| 2019 | ||||
| 03.02 | 50km | Hivernal Trail |
5:37:11 h | 17 |
| 2018 | ||||
| 23.06 | 52.4mi | Race to the King Ultra Marathon |
9:46:28 h | 27 |
| 04.02 | 50km | Hivernal Trail |
5:15:25 h | 8 |
| 28.01 | 50km | Houffatrail 50km |
5:55:31 h | 43 |
| 2017 | ||||
| 10.06 | 52.4mi | 1st Race to the Tower |
10:21:11 h | 9 |
| 2016 | ||||
| 12.03 | 55km | 5ème Trail des Crêtes de Spa |
6:52:38 h | 130 |
| 2014 | ||||
| 26.07 | 79km | 29. Swiss Alpine Marathon |
9:52:18 h | 146 |
| 29.03 | 55km | 3ème Trail des Crêtes de Spa |
5:58:41 h | 50 |
| 2012 | ||||
| 28.07 | 79.4km | 27. Swiss Alpine Marathon |
8:58:36 h | 268 |
| 2011 | ||||
| 08.10 | 60km | 5e Berg en Dal 60 km |
5:56:24 h | 9 |
| 25.04 | 60km | 11e De Zestig van Texel |
6:11:10 h | 87 |
| 2010 | ||||
| 31.07 | 78km | 25. Swiss Alpine Marathon |
9:56:36 h | 693 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 25/3/2022 | Jurassic Coast Challenge 131km | 131,00 | ×4 |
| ✓ 2 | 23/6/2018 | Race to the King Ultra Marathon | 84,33 | ×2 |
| ✓ 3 | 10/6/2017 | 1st Race to the Tower | 84,33 | ×2 |
| ✓ 4 | 7/6/2025 | 28ème Swiss Canyon Trail 81K | 83,00 | ×2 |
| ✓ 5 | 8/6/2024 | 27ème Swiss Canyon Trail 81K | 81,00 | ×2 |
| ✓ 6 | 28/7/2012 | 27. Swiss Alpine Marathon | 79,40 | ×2 |
| ✓ 7 | 26/7/2014 | 29. Swiss Alpine Marathon | 79,00 | ×2 |
| ✓ 8 | 31/7/2010 | 25. Swiss Alpine Marathon | 78,00 | ×2 |
| ✓ 9 | 8/10/2011 | 5e Berg en Dal 60 km | 60,00 | ×2 |
| ✓ 10 | 25/4/2011 | 11e De Zestig van Texel | 60,00 | ×2 |
| ✓ 11 | 27/6/2026 | Swiss Irontrail T55 | 55,00 | ×1 |
| ✓ 12 | 12/3/2016 | 5ème Trail des Crêtes de Spa | 55,00 | ×1 |
| ✓ 13 | 29/3/2014 | 3ème Trail des Crêtes de Spa | 55,00 | ×1 |
| ✓ 14 | 4/2/2024 | 5th Drielandenpunt Winter Trail | 50,00 | ×1 |
| ✓ 15 | 4/2/2023 | 10. Hivernal Trail | 50,00 | ×1 |
| ✓ 16 | 3/2/2019 | Hivernal Trail | 50,00 | ×1 |
| ✓ 17 | 4/2/2018 | Hivernal Trail | 50,00 | ×1 |
| ✓ 18 | 28/1/2018 | Houffatrail 50km | 50,00 | ×1 |