Francois Flisijn

Born : 1963 Cat. M60 Ultrarunner since 2005

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 ?

Aruba

Belgium

United Kingdom

Germany

Italy

Luxembourg

Netherlands

Switzerland

42,9%

Rank quotient ?This runner's calculation uses 98 eligible race(s): Σ(rank − 1) = 3 841; Σ finishers = 8 955. 3 841 / 8 955 × 100 = 42.89%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed98

Km — ultra races8 330 km

> 100 km21

> 160 km8

> 200 km5

> 24h2

Longest race344,4 km

Ultra Great Britain 214 Miles — 18/8/2018

Km per year (ultra races)

602

2022

494

2023

507

2024

557

2025

340

2026

Race types (share of distance)

Road17,7%

Trail82,3%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 35

🏅 Top 3 M6

Longest winning streak0

Current streak0

Records

50 km4h07'37 100 km9h45'00 50 mi9h33'02 100 mi22h24'56 6 h64,99 km 12 h51,56 km 24 h169,01 km

HISTORY

100 race(s) · 2 split(s) nested

Date		Race	Perf.	Rk
2026
28.06	100km	Westerwolde Ultra	14:44:00 h	9
20.06	60km	5. Pierewaai Summer Beach Trail	8:10:00 h	20
18.04	50km	Runforestrun Hart van Drenthe	5:38:56 h	43
07.03	80km	13. SallandTrail 80 km (50 Mijl)	9:53:39 h	52
24.01	50km	Pierewaai Winter Trail 50km	6:26:45 h	38
2025
12.12	200km	9 The Bello Gallico Trail 200km	38:41:00 h	67
25.10	50km	4. Gaasterland Trail	5:54:45 h	46
11.10	75km	Indian Summer Ultra 75 km	8:44:30 h	22
20.06	70km	4 Pierewaai Summer Beach Trail - Sandbox Ed.	10:08:31 h	14
23.02	50km	WoldjerspoorZoeker	4:50:00 h	11
07.02	50km	13th Dutch Coast Ultra Run by Night 50km	5:45:00 h	32
18.01	62km	West Coast Challenge - Halfway	6:42:00 h	6
2024
03.11	60km	LauwersmeerLoop	7:19:00 h	16
12.10	100km	Indian Summer Ultra 100 km	12:53:15 h	52
13.07	12h	De 12 Uur van Deventer	51.560 km	17
13.07	50km	De 12 Uur van Deventer - 50km Split	5:49:34 h	12
13.07	6h	De 12 Uur van Deventer - 6h Split	51.206 km	12
01.06	50km	Linie1629ultra	5:21:33 h	38
20.04	50km	Pegasus Ultra Trail	5:52:00 h	9
24.03	120km	17e De 120 van Texel	12:22:28 h	11
09.02	75km	Dutch Coast Ultra Run by Night 75km	9:53:00 h	7
2023
23.12	55km	Sint Thomas 55 km Trail Run	6:40:26 h	21
09.12	62km	West Coast Challenge - Halfway	6:39:00 h	5
19.11	60km	Graef Castricum Trail Ultra 60km	7:26:54 h	17
01.04	100km	3 Dinah Might 100km Ultra Run	12:24:52 h	7
11.03	50km	10. SallandTrail 50 km	5:40:45 h	160
27.01	100km	Dutch Coast Ultra Run by Night 100km 18h	13:38:00 h	2 🥈
20.01	66.6km	1. Pierewaai Devils Coast Ultra	8:54:44 h	15
2022
29.10	50km	1. Gaasterland Trail	5:29:18 h	13
15.10	50km	Indian Summer Ultra 50 km	5:13:29 h	25
03.06	65km	1. Pierewaai Summer Beach Trail - Sandbox Ed.	9:35:24 h	5
27.03	120km	16e De 120 van Texel	13:28:22 h	20
25.02	272km	Legends Trail 250	2d 18:59:00 h	39
15.01	45km	Pierewaai Trail	5:31:46 h	9
2021
18.09	24h	De 24 Uur van Deventer	50.271 km	20
04.09	102km	Black Devils 100	13:46:24 h	15
04.07	60km	Veluwezoomtrail Ultra60	6:58:00 h	41
2020
10.10	75km	Biesbosch Crossing Ultra	8:52:46 h	6
19.09	24h	De 24 Uur van Deventer	169.012 km	21
31.01	55km	Dutch coast ultra-run by night 55 km	6:29:00 h	10
2019
19.10	50km	Indian Summer Ultra 50km	5:23:25 h	42
13.09	185mi	Offas Dyke Race	3d 02:55:25 h	10
2018
14.12	103km	Run the Brewer	14:19:33 h	4
11.11	60km	Graef Castricum Trail Ultra 60km	7:20:38 h	2 🥈
18.08	214mi	Ultra Great Britain 214 Miles	3d 13:49:00 h	27
03.06	50km	Self Transcendence 50km Amsterdam	5:17:17 h	9
28.04	148km	Helipad Ultra 148km	24:32:40 h	21
14.04	60km	12e Bos-Duin-Strand-ultraloop 60 km	6:47:20 h	22
05.01	102km	Duinhopper Kidsrun 102km	20:11:00 h	6
2017
06.10	125km	BERG-ischer ULTRA 125 km	21:01:00 h	3 🥉
19.05	72km	25e Ronde van Aruba	8:08:07 h	2 🥈
17.04	120km	14e De 120 van Texel	12:24:13 h	11
03.03	250km	Legends Trail	2d 10:40:00 h	19
27.01	75km	Dutch coast ultra-run by night 75 km	8:51:00 h	4
2016
28.12	56km	Ultratrail Drenthe	5:13:00 h	4
24.12	50km	Sint Thomas 50 km Trail Run	4:41:30 h	10
26.08	184mi	T184 Endurance Race	2d 18:54:00 h	7
02.07	126.6km	4. Intern. Triple-Marathon Eelde-Wardenburg	12:25:17 h	5
25.06	6h	6 uren van de Haarlemmermeer	64.990 km	11
28.05	50km	Self Transcendence 50km Amsterdam	4:58:00 h	14
25.03	125km	Jan Knippenberg Memorial 125 km	14:23:23 h	12
22.01	100mi	Dutch coast ultra-run by night 100km	22:24:56 h	3 🥉
2015
27.12	50km	Sint Thomas 50 km Trail Run	5:02:10 h	8
29.11	68km	20ème Olne-Spa-Olne	8:59:49 h	149
24.10	57km	4th Bear Trail 57 km	6:19:28 h	61
10.10	50km	Trailrun Terschelling	6:27:50 h	10
22.08	6h	De 6 uur van Den Helder	58.684 km	11
26.06	119km	9^ Lavaredo Ultra Trail by UTMB - 120K	25:29:03 h	540
06.06	50km	Self Transcendence 50km Amsterdam	4:11:30 h	9
06.04	120km	13e De 120 van Texel	12:38:25 h	21
09.01	50km	Dutch coast ultra-run by night 50 km	6:27:00 h	11
2014
27.12	50km	Sint Thomas 50 km Trail Run	4:54:25 h	21
30.11	69km	19ème Olne-Spa-Olne	7:41:14 h	118
25.10	56km	3rd Bear Trail 56 km	6:52:55 h	74
13.09	100km	39. RUN Winschoten 100 km - Nederlands Kampioenschap	9:45:00 h	8
13.09	50km	39. RUN Winschoten 100 km - 50km Split	4:39:23 h	19
13.09	100km	39. RUN Winschoten 100 km	9:45:00 h	19
30.08	50km	50 km Monnikentocht	4:35:00 h	6
21.06	100km	4. Zugspitz Ultratrail	20:45:13 h	322
31.05	50km	Self Transcendence 50km Amsterdam	4:07:37 h	4
03.05	50km	Trailrun Wezep 50km	4:59:54 h	6
19.04	60km	Jan Knippenberg Memorial 60 km	5:18:45 h	5
15.02	50km	Texel Trail	4:54:08 h	12
17.01	50km	Dutch coast ultra-run by night 50 km	5:00:00 h	5
2013
22.12	12h	LangsteNachtLoop 12 uurs	50.941 km	18
24.11	69km	18ème Olne-Spa-Olne	8:07:36 h	117
14.09	50km	38. RUN Winschoten 100 km - 50km Split	4:34:40 h	30
14.09	100km	38. RUN Winschoten 100 km	10:18:04 h	33
14.09	100km	38. RUN Winschoten 100 km - Nederlands Kampioenschap	10:18:04 h	16
20.07	101km	1. Eiger Ultra Trail 101 km	19:09:00 h	182
06.07	60km	10e Ronde van Amsterdam	6:40:04 h	9
18.05	50km	3. 50 km UltraRun van Gieten	4:19:41 h	16
01.04	60km	12e De Zestig van Texel	5:15:47 h	49
16.02	50km	Texel Trail	4:23:20 h	4
2012
25.11	65km	17ème Olne-Spa-Olne	7:19:41 h	58
27.10	57km	1st Bear Trail 57 km	5:49:50 h	27
28.07	79.4km	27. Swiss Alpine Marathon	9:33:02 h	394
2011
20.11	52.5km	9. Trail Uewersauer	5:40:12 h	99
21.05	50km	1. 50 km UltraRun van Gieten	4:40:01 h	9
25.04	60km	11e De Zestig van Texel	6:03:05 h	71
2009
13.04	60km	10e De Zestig van Texel	5:44:30 h	76
2005
28.03	60km	8e De Zestig van Texel	5:52:27 h	132

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	18/8/2018	Ultra Great Britain 214 Miles	344,40	×5
✓ 2	13/9/2019	Offas Dyke Race	297,73	×4
✓ 3	26/8/2016	T184 Endurance Race	296,12	×4
✓ 4	25/2/2022	Legends Trail 250	272,00	×4
✓ 5	3/3/2017	Legends Trail	250,00	×3
✓ 6	12/12/2025	9 The Bello Gallico Trail 200km	200,00	×3
✓ 7	19/9/2020	De 24 Uur van Deventer	169,01	×2
✓ 8	22/1/2016	Dutch coast ultra-run by night 100km	160,93	×2
✓ 9	28/4/2018	Helipad Ultra 148km	148,00	×2
✓ 10	2/7/2016	4. Intern. Triple-Marathon Eelde-Wardenburg	126,60	×2
✓ 11	6/10/2017	BERG-ischer ULTRA 125 km	125,00	×1
✓ 12	25/3/2016	Jan Knippenberg Memorial 125 km	125,00	×1
✓ 13	24/3/2024	17e De 120 van Texel	120,00	×1
✓ 14	27/3/2022	16e De 120 van Texel	120,00	×1
✓ 15	17/4/2017	14e De 120 van Texel	120,00	×1
✓ 16	6/4/2015	13e De 120 van Texel	120,00	×1
✓ 17	26/6/2015	9^ Lavaredo Ultra Trail by UTMB - 120K	119,00	×1
✓ 18	14/12/2018	Run the Brewer	103,00	×1
✓ 19	4/9/2021	Black Devils 100	102,00	×1
✓ 20	5/1/2018	Duinhopper Kidsrun 102km	102,00	×1
✓ 21	20/7/2013	1. Eiger Ultra Trail 101 km	101,00	×1
✓ 22	28/6/2026	Westerwolde Ultra	100,00	×1
✓ 23	12/10/2024	Indian Summer Ultra 100 km	100,00	×1
✓ 24	1/4/2023	3 Dinah Might 100km Ultra Run	100,00	×1
✓ 25	27/1/2023	Dutch Coast Ultra Run by Night 100km 18h	100,00	×1
✓ 26	13/9/2014	39. RUN Winschoten 100 km - Nederlands Kampioenschap	100,00	×1
✓ 27	21/6/2014	4. Zugspitz Ultratrail	100,00	×1
✓ 28	14/9/2013	38. RUN Winschoten 100 km	100,00	×1
✓ 29	7/3/2026	13. SallandTrail 80 km (50 Mijl)	80,00	×1
✓ 30	28/7/2012	27. Swiss Alpine Marathon	79,40	×1
✓ 31	11/10/2025	Indian Summer Ultra 75 km	75,00	×1
✓ 32	9/2/2024	Dutch Coast Ultra Run by Night 75km	75,00	×1
✓ 33	10/10/2020	Biesbosch Crossing Ultra	75,00	×1
✓ 34	27/1/2017	Dutch coast ultra-run by night 75 km	75,00	×1
✓ 35	19/5/2017	25e Ronde van Aruba	72,00	×1
✓ 36	20/6/2025	4 Pierewaai Summer Beach Trail - Sandbox Ed.	70,00	×1
✓ 37	30/11/2014	19ème Olne-Spa-Olne	69,00	×1
✓ 38	24/11/2013	18ème Olne-Spa-Olne	69,00	×1
✓ 39	29/11/2015	20ème Olne-Spa-Olne	68,00	×1
✓ 40	20/1/2023	1. Pierewaai Devils Coast Ultra	66,60	×1
✓ 41	3/6/2022	1. Pierewaai Summer Beach Trail - Sandbox Ed.	65,00	×1
✓ 42	25/11/2012	17ème Olne-Spa-Olne	65,00	×1
✓ 43	25/6/2016	6 uren van de Haarlemmermeer	64,99	×1
✓ 44	18/1/2025	West Coast Challenge - Halfway	62,00	—
✓ 45	9/12/2023	West Coast Challenge - Halfway	62,00	—
✓ 46	20/6/2026	5. Pierewaai Summer Beach Trail	60,00	—
✓ 47	3/11/2024	LauwersmeerLoop	60,00	—
✓ 48	19/11/2023	Graef Castricum Trail Ultra 60km	60,00	—
✓ 49	4/7/2021	Veluwezoomtrail Ultra60	60,00	—
✓ 50	11/11/2018	Graef Castricum Trail Ultra 60km	60,00	—
✓ 51	14/4/2018	12e Bos-Duin-Strand-ultraloop 60 km	60,00	—
✓ 52	19/4/2014	Jan Knippenberg Memorial 60 km	60,00	—
✓ 53	6/7/2013	10e Ronde van Amsterdam	60,00	—
✓ 54	1/4/2013	12e De Zestig van Texel	60,00	—
✓ 55	25/4/2011	11e De Zestig van Texel	60,00	—
✓ 56	13/4/2009	10e De Zestig van Texel	60,00	—
✓ 57	28/3/2005	8e De Zestig van Texel	60,00	—
✓ 58	22/8/2015	De 6 uur van Den Helder	58,68	—
59	24/10/2015	4th Bear Trail 57 km	57,00	—
60	27/10/2012	1st Bear Trail 57 km	57,00	—
61	28/12/2016	Ultratrail Drenthe	56,00	—
62	25/10/2014	3rd Bear Trail 56 km	56,00	—
63	23/12/2023	Sint Thomas 55 km Trail Run	55,00	—
64	31/1/2020	Dutch coast ultra-run by night 55 km	55,00	—
65	20/11/2011	9. Trail Uewersauer	52,50	—
66	13/7/2024	De 12 Uur van Deventer	51,56	—
67	22/12/2013	LangsteNachtLoop 12 uurs	50,94	—
68	18/9/2021	De 24 Uur van Deventer	50,27	—
69	18/4/2026	Runforestrun Hart van Drenthe	50,00	—
70	24/1/2026	Pierewaai Winter Trail 50km	50,00	—
71	25/10/2025	4. Gaasterland Trail	50,00	—
72	23/2/2025	WoldjerspoorZoeker	50,00	—
73	7/2/2025	13th Dutch Coast Ultra Run by Night 50km	50,00	—
74	1/6/2024	Linie1629ultra	50,00	—
75	20/4/2024	Pegasus Ultra Trail	50,00	—
76	11/3/2023	10. SallandTrail 50 km	50,00	—
77	29/10/2022	1. Gaasterland Trail	50,00	—
78	15/10/2022	Indian Summer Ultra 50 km	50,00	—
79	19/10/2019	Indian Summer Ultra 50km	50,00	—
80	3/6/2018	Self Transcendence 50km Amsterdam	50,00	—
81	24/12/2016	Sint Thomas 50 km Trail Run	50,00	—
82	28/5/2016	Self Transcendence 50km Amsterdam	50,00	—
83	27/12/2015	Sint Thomas 50 km Trail Run	50,00	—
84	10/10/2015	Trailrun Terschelling	50,00	—
85	6/6/2015	Self Transcendence 50km Amsterdam	50,00	—
86	9/1/2015	Dutch coast ultra-run by night 50 km	50,00	—
87	27/12/2014	Sint Thomas 50 km Trail Run	50,00	—
88	30/8/2014	50 km Monnikentocht	50,00	—
89	31/5/2014	Self Transcendence 50km Amsterdam	50,00	—
90	3/5/2014	Trailrun Wezep 50km	50,00	—
91	15/2/2014	Texel Trail	50,00	—
92	17/1/2014	Dutch coast ultra-run by night 50 km	50,00	—
93	18/5/2013	3. 50 km UltraRun van Gieten	50,00	—
94	16/2/2013	Texel Trail	50,00	—
95	21/5/2011	1. 50 km UltraRun van Gieten	50,00	—
96	15/1/2022	Pierewaai Trail	45,00	—