Cees Dijkstra

Born : 1963 Cat. M60 Ultrarunner since 2013

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

France

Germany

Italy

Luxembourg

Netherlands

Slovenia

80,3%

Rank quotient ?This runner's calculation uses 57 eligible race(s): Σ(rank − 1) = 4 460; Σ finishers = 5 557. 4 460 / 5 557 × 100 = 80.26%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed57

Km — ultra races4 907 km

> 100 km14

> 160 km9

Longest race165,0 km

Ultra Trail Vipava Valley 160 Emperor — 25/4/2025

Km per year (ultra races)

800

2022

835

2023

514

2024

545

2025

2026

Race types (share of distance)

Road14,7%

Trail85,3%

Wins & podiums (ultra)

🏆 Win2

🏆 Win M2

🏅 Top 33

🏅 Top 3 M4

Longest winning streak1

Current streak0

Records

50 km4h27'00 100 km10h20'44 50 mi9h25'41 100 mi25h50'56 6 h62,12 km

HISTORY

57 race(s)

Date		Race	Perf.	Rk
2025
05.07	100km	17. thüringenULTRA 100 km	16:29:43 h	166
25.04	165km	Ultra Trail Vipava Valley 160 Emperor	41:45:15 h	114
08.03	80km	12. SallandTrail 80 km (50 Mijl)	10:39:26 h	77
15.02	100km	La Trace des Maquisards de l'Ain	22:21:29 h	385
24.01	100km	Pierewaai Trail Winter Ed. 100k	14:53:55 h	16
2024
14.09	100mi	The Great Escape 100 miles	34:56:00 h	102
22.06	100mi	8th De 100 mijl van Sint-Annen	30:23:56 h	9
04.05	112km	5 Petranpad Ultra Run 112k	16:46:19 h	32
09.03	80km	11. SallandTrail 80 km (50 Mijl)	9:38:54 h	47
2023
16.12	100mi	The Bello Gallico Trail 100mi	32:55:00 h	146
16.09	100mi	The Great Escape 100 miles	34:36:00 h	80
30.06	100mi	3. thüringenULTRA 100 Meilen	26:33:44 h	42
17.06	50km	TaMarathon Ultra Mima	4:35:44 h	1 🏆
13.05	50km	10. 50 km UltraRun van Gieten	5:18:50 h	15
29.04	100km	L.A.T Legends Ardennes Trail 100km	16:44:37 h	64
15.04	52km	Runforestrun Hart van Drenthe	6:15:59 h	39
18.02	100km	La Trace des Maquisards de l'Ain	19:59:19 h	210
2022
29.10	100km	10th Bear Trail 100 km	16:46:59 h	131
24.09	100mi	The Great Escape 100 miles	34:38:00 h	55
02.07	100km	14. thüringenULTRA 100 km	14:44:05 h	123
04.06	100mi	6th De 100 mijl van Sint-Annen	25:50:56 h	4
23.04	103km	9. Tuscany Crossing TC103K	18:35:22 h	102
09.04	50km	5. Woldberg Trail	6:28:10 h	8
02.04	45km	1. Waterloop	4:55:20 h	7
12.03	50mi	9. SallandTrail 50 Miles	9:25:41 h	51
2021
18.12	100mi	The Bello Gallico Trail 100mi	30:43:00 h	121
30.10	100km	9th Bear Trail 100 km	16:09:12 h	127
16.10	120km	Indian Summer Ultra 120 km	15:57:02 h	20
11.09	100km	45. RUN Winschoten 100 km	10:20:44 h	46
14.08	9h	1. 9 hours ultra - 9h	82.500 km	6
03.07	50km	VechtdalTrail	6:59:07 h	32
2020
19.09	6h	De Zes Uur van Deventer	53.756 km	18
16.02	50km	16ème Gruissan Poli Trail	7:25:10 h	327
11.01	45km	Drents Friese Wold Trail	4:58:43 h	46
2019
19.10	120km	Indian Summer Ultra 120km	17:27:00 h	34
28.09	6h	Self Transcendence 6 hours Amsterdam	62.118 km	10
20.04	105km	12ème Trans Aubrac - Ultra Trail	19:22:29 h	231
17.02	58km	La Magnetoise	9:27:34 h	129
12.01	45km	Drents Friese Wold Trail	4:55:58 h	43
2018
20.10	69km	13ème Trail du Haut Clunysois - La Camille Forest	9:31:45 h	54
25.08	51km	50 km Monnikentocht	5:02:00 h	6
28.07	69km	9° Trail Volodalen du Lac de Vouglans	11:18:03 h	126
13.01	46km	Drents Friese Wold Trail	5:18:47 h	56
2017
28.10	100km	6th Bear Trail 100 km	16:19:04 h	74
26.08	50km	50 km Monnikentocht	6:25:00 h	19
29.07	50mi	6. Süntel-Trail 50 Meilen	10:55:00 h	10
18.06	57km	Veluwezoom Trail	4:36:51 h	1 🏆
22.04	50km	16ème 50 km du Périgord Noir, Belvès	5:08:25 h	45
14.01	46km	Drents Friese Wold Trail	4:59:23 h	24
2014
27.12	50km	Sint Thomas 50 km Trail Run	4:53:50 h	18
11.10	60km	8e Berg en Dal 60 km	6:04:08 h	8
30.08	50km	50 km Monnikentocht	4:27:00 h	3 🥉
20.07	77km	1ère Interlac Trail - L’Integrale 77 km	14:34:06 h	235
02.05	57km	Trail de l'Ardechois 57 km	8:56:02 h	344
15.02	50km	Limburgs Halfzware 50km	7:20:00 h	30
2013
31.08	50km	50 km Monnikentocht	4:58:00 h	18
21.07	48km	Sky Race du Pays des Ecrins	10:30:33 h	230

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	25/4/2025	Ultra Trail Vipava Valley 160 Emperor	165,00	×3
✓ 2	14/9/2024	The Great Escape 100 miles	160,93	×3
✓ 3	22/6/2024	8th De 100 mijl van Sint-Annen	160,93	×3
✓ 4	16/12/2023	The Bello Gallico Trail 100mi	160,93	×3
✓ 5	16/9/2023	The Great Escape 100 miles	160,93	×3
✓ 6	30/6/2023	3. thüringenULTRA 100 Meilen	160,93	×3
✓ 7	24/9/2022	The Great Escape 100 miles	160,93	×3
✓ 8	4/6/2022	6th De 100 mijl van Sint-Annen	160,93	×3
✓ 9	18/12/2021	The Bello Gallico Trail 100mi	160,93	×3
✓ 10	16/10/2021	Indian Summer Ultra 120 km	120,00	×2
✓ 11	19/10/2019	Indian Summer Ultra 120km	120,00	×2
✓ 12	4/5/2024	5 Petranpad Ultra Run 112k	112,00	×2
✓ 13	20/4/2019	12ème Trans Aubrac - Ultra Trail	105,00	×1
✓ 14	23/4/2022	9. Tuscany Crossing TC103K	103,00	×1
✓ 15	5/7/2025	17. thüringenULTRA 100 km	100,00	×1
✓ 16	15/2/2025	La Trace des Maquisards de l'Ain	100,00	×1
✓ 17	24/1/2025	Pierewaai Trail Winter Ed. 100k	100,00	×1
✓ 18	29/4/2023	L.A.T Legends Ardennes Trail 100km	100,00	×1
✓ 19	18/2/2023	La Trace des Maquisards de l'Ain	100,00	×1
✓ 20	29/10/2022	10th Bear Trail 100 km	100,00	×1
✓ 21	2/7/2022	14. thüringenULTRA 100 km	100,00	×1
✓ 22	30/10/2021	9th Bear Trail 100 km	100,00	×1
✓ 23	11/9/2021	45. RUN Winschoten 100 km	100,00	×1
✓ 24	28/10/2017	6th Bear Trail 100 km	100,00	×1
✓ 25	14/8/2021	1. 9 hours ultra - 9h	82,50	×1
✓ 26	12/3/2022	9. SallandTrail 50 Miles	80,47	×1
✓ 27	29/7/2017	6. Süntel-Trail 50 Meilen	80,47	×1
✓ 28	8/3/2025	12. SallandTrail 80 km (50 Mijl)	80,00	×1
✓ 29	9/3/2024	11. SallandTrail 80 km (50 Mijl)	80,00	×1
✓ 30	20/7/2014	1ère Interlac Trail - L’Integrale 77 km	77,00	×1
✓ 31	20/10/2018	13ème Trail du Haut Clunysois - La Camille Forest	69,00	×1
✓ 32	28/7/2018	9° Trail Volodalen du Lac de Vouglans	69,00	×1
✓ 33	28/9/2019	Self Transcendence 6 hours Amsterdam	62,12	×1
✓ 34	11/10/2014	8e Berg en Dal 60 km	60,00	×1
✓ 35	17/2/2019	La Magnetoise	58,00	×1
✓ 36	18/6/2017	Veluwezoom Trail	57,00	×1
✓ 37	2/5/2014	Trail de l'Ardechois 57 km	57,00	×1
✓ 38	19/9/2020	De Zes Uur van Deventer	53,76	×1
✓ 39	15/4/2023	Runforestrun Hart van Drenthe	52,00	—
✓ 40	25/8/2018	50 km Monnikentocht	51,00	—
✓ 41	17/6/2023	TaMarathon Ultra Mima	50,00	—
✓ 42	13/5/2023	10. 50 km UltraRun van Gieten	50,00	—
✓ 43	9/4/2022	5. Woldberg Trail	50,00	—
✓ 44	3/7/2021	VechtdalTrail	50,00	—
✓ 45	16/2/2020	16ème Gruissan Poli Trail	50,00	—
✓ 46	26/8/2017	50 km Monnikentocht	50,00	—
✓ 47	22/4/2017	16ème 50 km du Périgord Noir, Belvès	50,00	—
✓ 48	27/12/2014	Sint Thomas 50 km Trail Run	50,00	—
✓ 49	30/8/2014	50 km Monnikentocht	50,00	—
✓ 50	15/2/2014	Limburgs Halfzware 50km	50,00	—
51	31/8/2013	50 km Monnikentocht	50,00	—
52	21/7/2013	Sky Race du Pays des Ecrins	48,00	—
53	13/1/2018	Drents Friese Wold Trail	46,00	—
54	14/1/2017	Drents Friese Wold Trail	46,00	—
55	2/4/2022	1. Waterloop	45,00	—
56	11/1/2020	Drents Friese Wold Trail	45,00	—
57	12/1/2019	Drents Friese Wold Trail	45,00	—