Christian Buch
ID 6105
Born : 1973 Cat. M50 Ultrarunner since 1994 SUI
37
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
1
Countries visited ?SUISwitzerland
39,2%
Rank quotient ?This runner's calculation uses 38 eligible race(s): Σ(rank − 1) = 15 621; Σ finishers = 39 845. 15 621 / 39 845 × 100 = 39.20%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed38
Km — ultra races3 344 km
Longest race100,0 km
67. Bieler Lauftage - 100km — 5/6/2026

Km per year (ultra races)

168
2 races
2022
100
1 race
2023
100
1 race
2024
100
1 race
2025
100
1 race
2026

Race types (share of distance)

Road22,4%
Trail77,6%

Records

50 km4h23'52100 km9h31'18

HISTORY

38 race(s)
DateRacePerf.Rk
2026
05.06 100km SUI67. Bieler Lauftage - 100km 10:52:49 h150
2025
06.06 100km SUI66. Bieler Lauftage - 100km 10:28:58 h83
2024
07.06 100km SUI65. Bieler Lauftage - 100km 9:58:00 h67
2023
09.06 100km SUI64. Bieler Lauftage - 100km 10:51:37 h68
2022
22.07 68km SUI1. Davos X-Trails 9:41:58 h55
10.06 100km SUI63. Bieler Lauftage - 100km 10:14:19 h43
2019
07.06 100km SUI61. 100 km Lauf Biel 9:41:53 h55
2018
08.06 100km SUI60. 100 km Lauf Biel 9:31:18 h56
2017
09.06 100km SUI59. 100 km Lauf Biel - Schweizer Meisterschaft 9:39:36 h59
09.06 100km SUI59. 100 km Lauf Biel 9:39:36 h59
2016
10.06 100km SUI58. 100 km Lauf Biel 9:51:50 h86
2015
12.06 100km SUI57. 100 km Lauf Biel 9:37:32 h68
2010
31.07 78km SUI25. Swiss Alpine Marathon 10:02:51 h738
2009
25.07 78km SUI24. Swiss Alpine Marathon 9:45:44 h557
12.06 100km SUI51. 100 km Lauf Biel 10:17:12 h210
2008
26.07 78km SUI23. Swiss Alpine Marathon 9:24:30 h323
2007
28.07 78km SUI22. Swiss Alpine Marathon 9:12:38 h247
15.06 100km SUI49. 100 km Lauf Biel 9:47:12 h127
2006
29.07 78km SUI21. Swiss Alpine Marathon 8:58:17 h267
09.06 100km SUI48. 100 km Lauf Biel 11:32:32 h484
2005
30.07 78km SUI20. Swiss Alpine Marathon 8:50:12 h216
17.06 100km SUI47. 100 km Lauf Biel 9:46:44 h180
2004
31.07 78km SUI19. Swiss Alpine Marathon 9:52:40 h455
2003
26.07 78km SUI18. Swiss Alpine Marathon 10:28:03 h717
13.06 100km SUI45. 100 km Lauf Biel 13:11:05 h795
2002
27.07 78km SUI17. Swiss Alpine Marathon 10:36:04 h681
2000
20.05 50.4km SUI29. 50km-Lauf Emmental 4:23:52 h90
1999
31.07 78km SUI14. Swiss Alpine Marathon 11:05:43 h744
1998
25.07 78km SUI13. Swiss Alpine Marathon 8:52:24 h347
12.06 100km SUI40. 100 km Lauf Biel 10:21:54 h403
1997
26.07 67km SUI12. Swiss Alpine Marathon 9:24:17 h669
06.06 100km SUI39. 100 km Lauf Biel 11:18:43 h564
1996
27.07 67km SUI11. Swiss Alpine Marathon 8:39:03 h515
07.06 100km SUI38. 100 km Lauf Biel 11:57:14 h806
1995
29.07 67km SUI10. Swiss Alpine Marathon 9:50:03 h1055
09.06 100km SUI37. 100 km Lauf Biel 12:48:37 h956
1994
30.07 67km SUI9. Swiss Alpine Marathon 10:43:38 h988
03.06 100km SUI36. 100 km Lauf Biel 18:04:04 h1676