Alfons Ridder
ID 30190
Born : 1919 Cat. M95 Ultrarunner since 1960 GER
29
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
2
Countries visited ?RSASouth AfricaSUISwitzerland
40,6%
Rank quotient ?This runner's calculation uses 29 eligible race(s): Σ(rank − 1) = 22 935; Σ finishers = 56 473. 22 935 / 56 473 × 100 = 40.61%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed29
Km — ultra races2 856 km
Longest race100,0 km
32. 100 km Lauf Biel (SUI) — 8/6/1990

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road100,0%

Records

100 km11h33'00

HISTORY

29 race(s)
DateRacePerf.Rk
1990
08.06 100km road race SUI32. 100 km Lauf Biel 14:30:36 h1547
1989
02.06 100km road race SUI31. 100 km Lauf Biel 15:22:00 h1711
1987
12.06 100km road race SUI29. 100 km Lauf Biel 14:56:00 h1546
1986
06.06 100km road race SUI28. 100 km Lauf Biel 16:16:00 h2087
1985
07.06 100km road race SUI27. 100 km Lauf Biel 13:36:00 h1567
1984
15.06 100km road race SUI26. 100 km Lauf Biel 13:15:00 h1633
1983
03.06 100km road race SUI25. 100 km Lauf Biel 14:26:00 h1782
1982
11.06 100km road race SUI24. 100 km Lauf Biel 12:46:00 h1061
1981
12.06 100km road race SUI23. 100 km Lauf Biel 14:45:00 h1438
1980
06.06 100km road race SUI22. 100 km Lauf Biel 13:36:00 h1007
1979
08.06 100km road race SUI21. 100 km Lauf Biel 13:51:00 h1102
14.04 56km RSA10th Two Oceans Marathon 5:33:06 h885
1978
16.06 100km road race SUI20. 100 km Lauf Biel 14:55:00 h1177
1977
10.06 100km road race SUI19. 100 km Lauf Biel 13:52:00 h847
1976
25.06 100km road race SUI18. 100 km Lauf Biel 13:11:00 h686
1975
13.06 100km road race SUI17. 100 km Lauf Biel 14:43:00 h793
1974
07.06 100km road race SUI16. 100 km Lauf Biel 13:01:00 h477
1973
15.06 100km road race SUI15. 100 km Lauf Biel 12:34:00 h304
1972
09.06 100km SUI14. 100 km Lauf Biel 13:29:00 h321
1971
11.06 100km SUI13. 100 km Lauf Biel 13:54:00 h275
1970
12.06 100km SUI12. 100 km Lauf Biel 13:30:00 h202
1969
13.06 100km SUI11. 100 km Lauf Biel 13:17:00 h137
1967
09.06 100km SUI9. 100 km Lauf Biel 11:33:00 h35
1966
24.06 100km SUI8. 100 km Lauf Biel 13:28:00 h77
1965
02.07 100km SUI7. 100 km Lauf Biel 14:52:00 h98
1964
19.06 100km SUI6. 100 km Lauf Biel 13:50:00 h74
1963
21.06 100km SUI5. 100 km Lauf Biel 15:26:00 h47
1962
07.07 100km SUI4. 100 km Lauf Biel 13:37:00 h35
1960
01.07 100km SUI2. 100 km Lauf Biel 13:46:00 h13