Stefan Olsson

Born : 1965 Cat. M60 Ultrarunner since 2003

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 ?

Finland

France

United Kingdom

Norway

Sweden

48,8%

Rank quotient ?This runner's calculation uses 93 eligible race(s): Σ(rank − 1) = 2 671; Σ finishers = 5 477. 2 671 / 5 477 × 100 = 48.77%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed93

Km — ultra races13 496 km

> 100 km46

> 160 km26

> 200 km18

> 24h39

> 48h15

Longest race543,2 km

2nd Viadal Ultra Six Days — 4/9/2022

Km per year (ultra races)

831

2022

909

2023

752

2024

581

2025

750

2026

Race types (share of distance)

Road48,5%

Trail24,7%

Elim.14,1%

?12,7%

Wins & podiums (ultra)

🏆 Win1

🏆 Win M1

🏅 Top 34

🏅 Top 3 M4

Longest winning streak1

Current streak0

Records

50 km5h10'10 100 km11h52'32 50 mi11h57'49 100 mi21h15'00 6 h58,50 km 12 h101,67 km 24 h165,08 km 48 h254,79 km 6 d543,15 km Backyard25 loops

HISTORY

97 race(s) · 22 split(s) nested

Date		Race	Perf.	Rk
2026
04.07	511km	Gotland Run 511k	7d 16:40:00 h	21
14.05	24h	Viadal Ultra 48h - 24h split	118.675 km	15
14.05	12h	Viadal Ultra 48h - 12h split	76.194 km	15
14.05	48h	Viadal Ultra 48h	189.401 km	18
02.05	50km	Aros Marathon	7:38:39 h	97
2025
10.08	6d	5th Viadal Ultra Six Days	438.935 km	18
10.08	48h	5th Viadal Ultra Six Days - 48h Split	192.806 km	17
10.08	72h	5th Viadal Ultra Six Days - 72h Split	259.986 km	20
30.05	37h	9 Walk of Pain	91.920 km	10
03.05	50km	Aros Marathon	7:26:05 h	90
2024
21.09	100km	1st Ultra Caballo Blanco Suecia - 100km	17:34:36 h	12
06.07	511km	Gotland Run 511k	7d 10:08:00 h	11
10.05	44h	8. Walk of Pain Fotrally-loppet	90.833 km	10
04.05	50km	Aros Marathon	7:36:44 h	91
2023
23.09	50mi	4 Ultra Caballo Blanco Suecia	13:15:23 h	12
13.08	6d	3rd Viadal Ultra Six Days	495.129 km	16
13.08	48h	3rd Viadal Ultra Six Days - 48h split	198.241 km	15
13.08	72h	3rd Viadal Ultra Six Days - 72h split	279.830 km	16
30.06	42h	13 Maratonmarschen (previously Stockholm Fotrally)	150.750 km	17
06.05	Backyard Ultra	2. Winter Bay Backyard Ultra	53.648 km (8h)	70
25.02	24h	XIV Endurance 24 h Ultrarun Espoo	128.749 km	53
25.02	50km	XIV Endurance 24 h Ultrarun Espoo - 50km Split	7:06:56 h	80
25.02	12h	XIV Endurance 24 h Ultrarun Espoo - 12h Split	76.838 km	70
25.02	50mi	XIV Endurance 24 h Ultrarun Espoo - 50mi Split	12:56:43 h	71
25.02	100km	XIV Endurance 24 h Ultrarun Espoo - 100km Split	17:18:27 h	67
2022
17.09	50mi	3 Ultra Caballo Blanco Suecia	14:39:00 h	6
04.09	6d	2nd Viadal Ultra Six Days	543.152 km	7
05.09	24h	Viadal Ultra Six Days - 24h split	109.220 km	15
06.09	48h	Viadal Ultra Six Days - 48h split	194.169 km	11
07.09	72h	Viadal Ultra Six Days - 72h split	282.489 km	8
01.07	56h	12. Maratonmarschen (previously Stockholm Fotrally)	120.166 km	24
30.04	Backyard Ultra	5. Trosa Backyard Ultra	87.178 km (13h)	15
2021
02.10	50mi	3 Ultra Caballo Blanco Suecia	12:18:31 h	13
13.09	6d	1st Viadal Ultra Six Days	533.465 km	14
13.09	24h	Viadal Ultra Six Days - 24h split	111.630 km	18
13.09	100mi	Viadal Ultra Six Days - 100mi split	34:19:15 h	19
13.09	48h	Viadal Ultra Six Days - 48h split	198.227 km	17
13.09	72h	Viadal Ultra Six Days - 72h split	275.335 km	18
28.08	130mi	7th Leeds & Liverpool Canal Race 130 mile	37:57:00 h	37
05.06	Backyard Ultra	4. Trosa Backyard Ultra	107.296 km (16h)	19
2020
03.10	50mi	3 Ultra Caballo Blanco Suecia	13:19:37 h	19
21.05	21h	3rd Avesta Jernverks Varvultra	50.750 km	20
2019
05.10	50mi	2 Ultra Caballo Blanco Suecia	12:03:38 h	10
25.05	145mi	25th Grand Union Canal Race 145 mile	44:53:00 h	52
04.05	Backyard Ultra	3. Trosa Backyard Ultra	107.296 km (16h)	28
09.03	6h	15 Skövde 6-timmars	51.135 km	67
23.02	24h	XII Endurance 24 h Ultrarun Espoo	141.773 km	59
23.02	12h	XII Endurance 24 h Ultrarun Espoo - 12h Split	81.128 km	96
23.02	100km	XII Endurance 24 h Ultrarun Espoo - 100km Split	15:29:45 h	86
2018
06.10	50mi	Ultra Caballo Blanco Suecia	11:57:49 h	10
30.06	12h	1st Avesta Jernverks Varvultra	72.500 km	3 🥉
28.04	Backyard Ultra	2. Trosa Backyard Ultra	80.472 km (12h)	61
24.02	24h	XI Endurance 24 h Ultrarun Espoo	132.721 km	67
2017
29.06	81h	9. Stockholm Fotrally	142.500 km	25
29.04	Backyard Ultra	1. Trosa Backyard Ultra	167.650 km (25h)	6
25.03	6h	Borlänge Ultra	53.929 km	29
2016
18.11	48h	Bislett 48h hour indoor challenge	254.791 km	11
18.11	24h	Bislett 48h hour indoor challenge - 24h split	152.904 km	12
26.03	6h	Borlänge Ultra	55.212 km	36
2015
20.11	48h	Bislett 48h hour indoor challenge	246.407 km	16
25.06	88h	7. Stockholm Fotrally	150.167 km	13
04.06	160km	Karnevalsloppet Ultra 100 miles	21:15:00 h	1 🏆
02.05	50km	Aros Marathon	5:48:00 h	79
28.03	6h	Borlänge Ultra	54.492 km	45
06.03	100mi	4th the gax urasunti epiphany 100mi	29:54:00 h	3 🥉
2014
26.06	55h	6. Stockholm Fotrally	217.500 km	6
03.05	100km	Lejonbragden 100 km	11:52:32 h	18
29.03	6h	Borlänge Ultra	56.150 km	30
2013
30.11	24h	Bislett 24 hour indoor challenge - open race	165.075 km	43
21.09	100mi	1st the gax urasunti epiphany 100mi	30:03:22 h	5
07.05	6d	VIIIè French Ultra Festival 6 jours	523.671 km	38
06.04	6h	Borlänge Ultra	54.539 km	32
2012
24.08	48h	Skövde Ultrafestival 48h	252.871 km	9
24.08	50km	Skövde Ultrafestival 48h - 50km Split	6:41:49 h	16
24.08	100km	Skövde Ultrafestival 48h - 100km Split	14:35:12 h	11
24.08	24h	Skövde Ultrafestival 48h - 24h Split	153.628 km	8
28.06	51h	4. Stockholm Fotrally	214.333 km	3 🥉
02.06	145mi	18th 145mi Grand Union Canal Race	42:52:00 h	37
31.03	6h	Borlänge Ultra	58.499 km	18
2011
26.11	24h	Bislett 24 hour indoor challenge	155.071 km	37
26.08	24h	Skövde Ultrafestival 24h	150.545 km	17
26.08	48h	Skövde Ultrafestival 48h	250.703 km	5
22.06	250mi	2nd Thames Ring 250 Miles	3d 23:26:00 h	12
09.04	100mi	3rd Täby Extreme Challenge 100 miles	26:29:55 h	31
2010
29.05	145mi	16th Grand Union Canal 145 mile Race	43:59:00 h	45
2009
10.10	50km	9th Sörmland Ultra Marathon	5:34:39 h	94
12.09	50km	Uppsala 50km endurance race	5:23:04 h	13
15.08	100mi	4th The Gax 100 miles	30:15:01 h	19
27.06	24h	Trollhättan 24-Timmars	141.513 km	12
05.04	75km	10. Ursvik Ultra 75 km	9:41:25 h	27
14.03	6h	Skövde 6-timmars	55.271 km	54
31.01	24h	II Endurance 24 h Ultrarun Helsinki	138.052 km	49
2008
06.12	24h	Bislett 24 hour indoor challenge	116.630 km	57
13.09	100km	Uppsala 100km endurance race	12:57:47 h	31
16.08	100mi	3rd The Gax 100 miles	30:23:48 h	5
26.07	6h	6h Hallsberg	49.875 km	19
12.04	50km	12h Mellsta Ultra - 50km Split	5:12:35 h	17
12.04	100km	12h Mellsta Ultra - 100km Split	11:45:29 h	16
12.04	12h	12h Mellsta Ultra	101.670 km	15
06.04	75km	9. Ursvik Ultra 75 km	10:10:18 h	31
15.03	6h	Skövde 6-timmars	56.140 km	61
2007
01.12	24h	I Endurance 24 h Ultrarun Helsinki	135.690 km	53
06.10	50km	7th Sörmland Ultra Marathon	5:12:31 h	49
15.09	100km	Uppsala 100km endurance race	12:13:57 h	14
30.06	24h	Trollhättan 24-Timmars	146.595 km	20
01.04	75km	8. Ursvik Ultra 75 km	10:04:10 h	20
17.03	6h	Skövde 6-timmars	57.397 km	55
2006
09.12	24h	Bislett 24 hour indoor challenge	96.465 km	64
09.12	12h	Bislett 24 hour indoor challenge - 12h Split	89.380 km	51
11.11	5h	Knorren 5-timmars	48.235 km	5
07.10	50km	6th Sörmland Ultra Marathon	5:37:08 h	59
17.06	24h	Trollhättan 24-Timmars	131.351 km	26
11.03	6h	Skövde 6-timmars	54.560 km	39
2005
08.10	50km	5th Sörmland Ultra Marathon	5:10:10 h	44
06.08	89km	Vasastafetten - single	11:13:21 h	8
18.06	24h	Trollhättan 24-Timmars	140.440 km	24
2004
02.10	46km	Brantbrink Ultra Race (BUR-X3) 46K	6:05:15 h	7
19.06	24h	Trollhättan 24-Timmars	71.300 km	50
2003
16.08	72km	72km Kraftloppet	7:35:30 h	13

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	4/9/2022	2nd Viadal Ultra Six Days	543,15	×5
✓ 2	13/9/2021	1st Viadal Ultra Six Days	533,47	×5
✓ 3	7/5/2013	VIIIè French Ultra Festival 6 jours	523,67	×5
✓ 4	4/7/2026	Gotland Run 511k	511,00	×5
✓ 5	6/7/2024	Gotland Run 511k	511,00	×5
✓ 6	13/8/2023	3rd Viadal Ultra Six Days	495,13	×5
✓ 7	10/8/2025	5th Viadal Ultra Six Days	438,94	×4
✓ 8	22/6/2011	2nd Thames Ring 250 Miles	402,34	×4
✓ 9	18/11/2016	Bislett 48h hour indoor challenge	254,79	×2
✓ 10	24/8/2012	Skövde Ultrafestival 48h	252,87	×2
✓ 11	26/8/2011	Skövde Ultrafestival 48h	250,70	×2
✓ 12	20/11/2015	Bislett 48h hour indoor challenge	246,41	×2
✓ 13	25/5/2019	25th Grand Union Canal Race 145 mile (GUCR)	233,35	×2
✓ 14	2/6/2012	18th 145mi Grand Union Canal Race	233,35	×2
✓ 15	29/5/2010	16th Grand Union Canal 145 mile Race	233,35	×2
✓ 16	26/6/2014	6. Stockholm Fotrally	217,50	×2
✓ 17	28/6/2012	4. Stockholm Fotrally	214,33	×2
✓ 18	28/8/2021	7th Leeds & Liverpool Canal Race 130 mile (LLCR)	209,21	×2
✓ 19	14/5/2026	Viadal Ultra 48h	189,40	×2
✓ 20	29/4/2017	1. Trosa Backyard Ultra	167,65	×1
✓ 21	30/11/2013	Bislett 24 hour indoor challenge - open race	165,08	×1
✓ 22	6/3/2015	4th the gax urasunti epiphany 100mi	160,93	×1
✓ 23	21/9/2013	1st the gax urasunti epiphany 100mi	160,93	×1
✓ 24	9/4/2011	3rd Täby Extreme Challenge 100 miles	160,93	×1
✓ 25	15/8/2009	4th The Gax 100 miles	160,93	×1
✓ 26	16/8/2008	3rd The Gax 100 miles	160,93	×1
✓ 27	4/6/2015	Karnevalsloppet Ultra 100 miles	160,00	×1
✓ 28	26/11/2011	Bislett 24 hour indoor challenge	155,07	×1
✓ 29	30/6/2023	13 Maratonmarschen (previously Stockholm Fotrally)	150,75	×1
✓ 30	25/6/2015	7. Stockholm Fotrally	150,17	×1
✓ 31	30/6/2007	Trollhättan 24-Timmars	146,60	×1
✓ 32	29/6/2017	9. Stockholm Fotrally	142,50	×1
✓ 33	23/2/2019	XII Endurance 24 h Ultrarun Espoo	141,77	×1
✓ 34	27/6/2009	Trollhättan 24-Timmars	141,51	×1
✓ 35	18/6/2005	Trollhättan 24-Timmars	140,44	×1
✓ 36	31/1/2009	II Endurance 24 h Ultrarun Helsinki	138,05	×1
✓ 37	1/12/2007	I Endurance 24 h Ultrarun Helsinki	135,69	×1
✓ 38	24/2/2018	XI Endurance 24 h Ultrarun Espoo	132,72	×1
✓ 39	17/6/2006	Trollhättan 24-Timmars	131,35	×1
✓ 40	25/2/2023	XIV Endurance 24 h Ultrarun Espoo	128,75	×1
✓ 41	1/7/2022	12. Maratonmarschen (previously Stockholm Fotrally)	120,17	×1
✓ 42	6/12/2008	Bislett 24 hour indoor challenge	116,63	×1
✓ 43	5/6/2021	4. Trosa Backyard Ultra	107,30	×1
✓ 44	4/5/2019	3. Trosa Backyard Ultra	107,30	×1
✓ 45	12/4/2008	12h Mellsta Ultra	101,67	×1
✓ 46	21/9/2024	1st Ultra Caballo Blanco Suecia - 100km	100,00	×1
✓ 47	3/5/2014	Lejonbragden 100 km	100,00	×1
✓ 48	13/9/2008	Uppsala 100km endurance race	100,00	×1
✓ 49	15/9/2007	Uppsala 100km endurance race	100,00	×1
✓ 50	9/12/2006	Bislett 24 hour indoor challenge	96,47	×1
✓ 51	30/5/2025	9 Walk of Pain	91,92	×1
✓ 52	10/5/2024	8. Walk of Pain Fotrally-loppet	90,83	—
✓ 53	6/8/2005	Vasastafetten - single	89,00	—
✓ 54	30/4/2022	5. Trosa Backyard Ultra	87,18	—
✓ 55	28/4/2018	2. Trosa Backyard Ultra	80,47	—
✓ 56	23/9/2023	4 Ultra Caballo Blanco Suecia	80,47	—
✓ 57	17/9/2022	3 Ultra Caballo Blanco Suecia	80,47	—
✓ 58	2/10/2021	3 Ultra Caballo Blanco Suecia	80,47	—
✓ 59	3/10/2020	3 Ultra Caballo Blanco Suecia	80,47	—
✓ 60	5/10/2019	2 Ultra Caballo Blanco Suecia	80,47	—
✓ 61	6/10/2018	Ultra Caballo Blanco Suecia	80,47	—
✓ 62	5/4/2009	10. Ursvik Ultra 75 km	75,00	—
✓ 63	6/4/2008	9. Ursvik Ultra 75 km	75,00	—
✓ 64	1/4/2007	8. Ursvik Ultra 75 km	75,00	—
✓ 65	30/6/2018	1st Avesta Jernverks Varvultra	72,50	—
✓ 66	16/8/2003	72km Kraftloppet	72,00	—
✓ 67	19/6/2004	Trollhättan 24-Timmars	71,30	—
68	31/3/2012	Borlänge Ultra	58,50	—
69	17/3/2007	Skövde 6-timmars	57,40	—
70	29/3/2014	Borlänge Ultra	56,15	—
71	15/3/2008	Skövde 6-timmars	56,14	—
72	14/3/2009	Skövde 6-timmars	55,27	—
73	26/3/2016	Borlänge Ultra	55,21	—
74	11/3/2006	Skövde 6-timmars	54,56	—
75	6/4/2013	Borlänge Ultra	54,54	—
76	28/3/2015	Borlänge Ultra	54,49	—
77	25/3/2017	Borlänge Ultra	53,93	—
78	6/5/2023	2. Winter Bay Backyard Ultra	53,65	—
79	9/3/2019	15 Skövde 6-timmars	51,14	—
80	21/5/2020	3rd Avesta Jernverks Varvultra	50,75	—
81	2/5/2026	Aros Marathon	50,00	—
82	3/5/2025	Aros Marathon	50,00	—
83	4/5/2024	Aros Marathon	50,00	—
84	2/5/2015	Aros Marathon	50,00	—
85	10/10/2009	9th Sörmland Ultra Marathon	50,00	—
86	12/9/2009	Uppsala 50km endurance race	50,00	—
87	6/10/2007	7th Sörmland Ultra Marathon	50,00	—
88	7/10/2006	6th Sörmland Ultra Marathon	50,00	—
89	8/10/2005	5th Sörmland Ultra Marathon	50,00	—
90	26/7/2008	6h Hallsberg	49,88	—
91	11/11/2006	Knorren 5-timmars	48,24	—
92	2/10/2004	Brantbrink Ultra Race (BUR-X3) 46K	46,00	—