Jozef Knizek

Born : 1975 Cat. M50 Ultrarunner since 1999

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 ?

Czechia

45,2%

Rank quotient ?This runner's calculation uses 3 eligible race(s): Σ(rank − 1) = 33; Σ finishers = 73. 33 / 73 × 100 = 45.21%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed3

Km — ultra races466 km

> 100 km3

> 160 km1

> 200 km1

> 24h1

> 48h1

Longest race245,0 km

6. Brno Spring 48 Hour Indoor — 23/3/2001

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road47,5%

?52,5%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 31

🏅 Top 3 M1

Longest winning streak0

Current streak0

Records

12 h111,86 km 48 h245,02 km

HISTORY

3 race(s) · 4 split(s) nested

Date		Race	Perf.	Rk
2001
23.03	48h	6. Brno Spring 48 Hour Indoor	245.022 km	28
23.03	50km	6. Brno Spring 48 Hour Indoor - 50km split	5:44:57 h	32
23.03	100km	6. Brno Spring 48 Hour Indoor - 100km split	12:51:18 h	30
23.03	24h	6. Brno Spring 48 Hour Indoor - 24h split	159.221 km	10
23.03	100mi	6. Brno Spring 48 Hour Indoor - 100mi split	25:15:07 h	27
1999
09.10	12h	4. Self-Transcendence 12 h race Prag	109.555 km	5
05.06	12h	3. Self-Transcendence 12 h race Prag	111.864 km	3 🥉

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Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	23/3/2001	6. Brno Spring 48 Hour Indoor	245,02	×11
✓ 2	5/6/1999	3. Self-Transcendence 12 h race Prag	111,86	×5
✓ 3	9/10/1999	4. Self-Transcendence 12 h race Prag	109,56	×5