Jacques Fox

Born : 1954 Cat. M70 Ultrarunner since 1991

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

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

Countries visited ?

France

Germany

Morocco

Switzerland

56,2%

Rank quotient ?This runner's calculation uses 5 eligible race(s): Σ(rank − 1) = 2 313; Σ finishers = 4 117. 2 313 / 4 117 × 100 = 56.18%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed10

Km — ultra races632 km

> 100 km2

> 160 km1

> 200 km1

Longest race229,0 km

13. Marathon des Sables — 29/3/1998

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road31,6%

Trail32,1%

Stage36,2%

Records

100 km9h50'39

HISTORY

5 race(s)

Date		Race	Perf.	Rk
1999
31.07	78km	14. Swiss Alpine Marathon	10:37:08 h	665
11.06	100km	41. 100 km Lauf Biel	13:40:04 h	984
1998
06.11	125km	6ème Le Grand Raid de la Réunion	34:24:00 h	366
29.03	229km/6stages	13. Marathon des Sables	33:26:30 h	151
1991
20.04	100km	8. Int. Deutscher 100km-Lauf des SSC Hanau-Rodenbach	9:50:39 h	152

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	29/3/1998	13. Marathon des Sables	229,00	×9
✓ 2	6/11/1998	6ème Le Grand Raid de la Réunion	125,00	×5
✓ 3	11/6/1999	41. 100 km Lauf Biel	100,00	×4
✓ 4	20/4/1991	8. Int. Deutscher 100km-Lauf des SSC Hanau-Rodenbach	100,00	×4
✓ 5	31/7/1999	14. Swiss Alpine Marathon	78,00	×3