Francois Spiertz
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Born : 1986
Cat. M40 Ultrarunner since 2019
12
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
3
Countries visited ?Belgium
Italy
Switzerland
BelgiumItalySwitzerland48,2%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 3 164; Σ finishers = 6 569. 3 164 / 6 569 × 100 = 48.17%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races844 km
> 100 km1
Longest race101,0 km
19ème Courmayeur-Champex-Chamonix (CCC) — 29/8/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
HISTORY
12 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 23.11 | 71km | 29ème Olne-Spa-Olne |
8:43:16 h | 301 |
| 29.08 | 101km | 19ème Courmayeur-Champex-Chamonix |
23:08:36 h | 1028 |
| 28.06 | 80km | 18^ Lavaredo Ultra Trail by UTMB - 80K |
13:56:57 h | 302 |
| 17.05 | 85km | 15° Grand Trail des Lacs et Châteaux 85km |
11:47:35 h | 117 |
| 12.04 | 57km | TDI (Trail des Idylles) |
8:31:08 h | 91 |
| 2024 | ||||
| 02.06 | 80km | 17e Ohm Trail - Ultra |
12:17:01 h | 68 |
| 2023 | ||||
| 16.09 | 53km | 2nd Wildstrubel by UTMB - 50K |
9:07:21 h | 415 |
| 12.08 | 80km | Ultra Trail des Sources - 80km |
9:59:10 h | 52 |
| 2022 | ||||
| 27.11 | 70km | 26ème Olne-Spa-Olne |
8:47:54 h | 308 |
| 2019 | ||||
| 24.11 | 69km | 24ème Olne-Spa-Olne |
9:35:10 h | 374 |
| 16.06 | 48.7km | Epic trail 50 km |
6:02:44 h | 54 |
| 20.04 | 49.6km | Trail de la Grande Idylle |
6:59:38 h | 66 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 29/8/2025 | 19ème Courmayeur-Champex-Chamonix (CCC) | 101,00 | ×3 |
| ✓ 2 | 17/5/2025 | 15° Grand Trail des Lacs et Châteaux 85km | 85,00 | ×3 |
| ✓ 3 | 28/6/2025 | 18^ Lavaredo Ultra Trail by UTMB - 80K | 80,00 | ×3 |
| ✓ 4 | 2/6/2024 | 17e Ohm Trail - Ultra | 80,00 | ×3 |
| ✓ 5 | 12/8/2023 | Ultra Trail des Sources - 80km | 80,00 | ×3 |
| ✓ 6 | 23/11/2025 | 29ème Olne-Spa-Olne | 71,00 | ×2 |
| ✓ 7 | 27/11/2022 | 26ème Olne-Spa-Olne | 70,00 | ×2 |
| ✓ 8 | 24/11/2019 | 24ème Olne-Spa-Olne | 69,00 | ×2 |
| ✓ 9 | 12/4/2025 | TDI (Trail des Idylles) | 57,00 | ×2 |
| ✓ 10 | 16/9/2023 | 2nd Wildstrubel by UTMB - 50K | 53,00 | ×2 |
| ✓ 11 | 20/4/2019 | Trail de la Grande Idylle | 49,60 | ×1 |
| ✓ 12 | 16/6/2019 | Epic trail 50 km | 48,70 | ×1 |