Norbert Alder

Born : 1963 Cat. M60 Ultrarunner since 1985

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 ?

Germany

Switzerland

4,7%

Rank quotient ?This runner's calculation uses 5 eligible race(s): Σ(rank − 1) = 333; Σ finishers = 7 134. 333 / 7 134 × 100 = 4.67%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed5

Km — ultra races404 km

Longest race100,0 km

41. 100 km Lauf Biel — 11/6/1999

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road49,5%

Trail50,5%

Records

50 km3h50'30 100 km8h13'13

HISTORY

5 race(s)

Date		Race	Perf.	Rk
2007
28.07	78km	22. Swiss Alpine Marathon	8:09:36 h	78
1999
16.10	50km	9. Schwäbische Alb Marathon	3:50:30 h	16
11.06	100km	41. 100 km Lauf Biel	8:13:13 h	23
1997
24.05	76km	25. GutsMuths-Rennsteiglauf	5:59:13 h	12
1985
07.06	100km road race	27. 100 km Lauf Biel	9:11:00 h	209

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Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	11/6/1999	41. 100 km Lauf Biel	100,00	×5
✓ 2	7/6/1985	27. 100 km Lauf Biel (SUI)	100,00	×5
✓ 3	28/7/2007	22. Swiss Alpine Marathon	78,00	×4
✓ 4	24/5/1997	25. GutsMuths-Rennsteiglauf	76,00	×4
✓ 5	16/10/1999	9. Schwäbische Alb Marathon	50,00	×2