Ernst Sommer

Born : 1963 Cat. M60 Ultrarunner since 1995

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 ?

Switzerland

3,1%

Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 172; Σ finishers = 5 566. 172 / 5 566 × 100 = 3.09%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed8

Km — ultra races576 km

Longest race100,0 km

44. 100 km Lauf Biel — 14/6/2002

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road87,1%

Trail12,9%

Records

50 km3h23'52 100 km8h01'01

HISTORY

8 race(s)

Date		Race	Perf.	Rk
2007
16.06	74km	12ème Le Défi de Val de Travers	7:52:24 h	8
2003
24.05	50.4km	32. 50km-Lauf Emmental	3:53:16 h	18
2002
14.06	100km	44. 100 km Lauf Biel	8:01:01 h	18
25.05	50.4km	31. 50km-Lauf Emmental	3:23:52 h	6
2001
08.06	100km	43. 100 km Lauf Biel	8:30:08 h	31
19.05	50.4km	30. 50km-Lauf Emmental	3:27:52 h	9
2000
20.05	50.4km	29. 50km-Lauf Emmental	3:41:56 h	21
1995
09.06	100km	37. 100 km Lauf Biel	8:40:09 h	69

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Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	14/6/2002	44. 100 km Lauf Biel	100,00	×4
✓ 2	8/6/2001	43. 100 km Lauf Biel	100,00	×4
✓ 3	9/6/1995	37. 100 km Lauf Biel	100,00	×4
✓ 4	16/6/2007	12ème Le Défi de Val de Travers	74,00	×3
✓ 5	24/5/2003	32. 50km-Lauf Emmental	50,40	×2
✓ 6	25/5/2002	31. 50km-Lauf Emmental	50,40	×2
✓ 7	19/5/2001	30. 50km-Lauf Emmental	50,40	×2
✓ 8	20/5/2000	29. 50km-Lauf Emmental	50,40	×2