Franciszek Stronski

Born : 1961 Cat. M65 Ultrarunner since 1997

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 ?

Belgium

Canada

Germany

Netherlands

Poland

17,5%

Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 253; Σ finishers = 1 443. 253 / 1 443 × 100 = 17.53%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed10

Km — ultra races925 km

Longest race100,0 km

6. Bieg 7 dolin - 100 km Ultramaraton — 11/9/2015

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road83,8%

Trail16,2%

Wins & podiums (ultra)

🏆 Win1

🏆 Win M1

🏅 Top 32

🏅 Top 3 M2

Longest winning streak1

Current streak0

Records

50 km4h27'28 100 km6h43'24

HISTORY

11 race(s) · 1 split(s) nested

Date		Race	Perf.	Rk
2015
11.09	100km	6. Bieg 7 dolin - 100 km Ultramaraton	13:40:34 h	119
2013
05.10	50km	12th Run for the Toad 50 km	4:27:28 h	23
2003
20.06	100km	24. Nacht van Vlaanderen, 100km Torhout	7:40:57 h	15
2001
10.02	75km	Prokom Gdynia Maraton 75 km	5:25:54 h	9
1998
17.10	100km	XVII Supermaraton 100km Kalisia	7:36:10 h	7
29.08	50km	9. Leipziger 100 km Lauf am Auensee - 50 km Split	3:22:05 h	2 🥈
29.08	100km	9. Leipziger 100 km Lauf am Auensee	7:16:52 h	2 🥈
1997
18.10	100km	XVI Supermaraton 100km Kalisia	7:02:57 h	7
13.09	100km	IAU 100km WC (RUN Winschoten 100 km)	7:21:15 h	40
13.09	100km	22. RUN Winschoten 100 km - open race	7:21:15 h	40
12.04	100km	13. Int. Deutscher 100km-Lauf des SSC Hanau-Rodenbach	6:43:24 h	1 🏆
12.04	50km	13. Int. Deutscher 100km-Lauf des SSC Hanau-Rodenbach - 50km Split	3:14:02 h	2 🥈

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Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	11/9/2015	6. Bieg 7 dolin - 100 km Ultramaraton	100,00	×4
✓ 2	20/6/2003	24. Nacht van Vlaanderen, 100km Torhout	100,00	×4
✓ 3	17/10/1998	XVII Supermaraton 100km Kalisia	100,00	×4
✓ 4	29/8/1998	9. Leipziger 100 km Lauf am Auensee	100,00	×4
✓ 5	18/10/1997	XVI Supermaraton 100km Kalisia	100,00	×4
✓ 6	13/9/1997	IAU 100km WC (RUN Winschoten 100 km)	100,00	×4
✓ 7	12/4/1997	13. Int. Deutscher 100km-Lauf des SSC Hanau-Rodenbach	100,00	×4
✓ 8	10/2/2001	Prokom Gdynia Maraton 75 km	75,00	×3
✓ 9	5/10/2013	12th Run for the Toad 50 km	50,00	×2