Parker Rios

Born : 1967 Cat. M55 Ultrarunner since 1991

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 ?

United States

26,8%

Rank quotient ?This runner's calculation uses 80 eligible race(s): Σ(rank − 1) = 2 813; Σ finishers = 10 484. 2 813 / 10 484 × 100 = 26.83%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed80

Km — ultra races8 626 km

> 100 km25

> 160 km24

> 200 km8

> 24h8

Longest race217,3 km

15th Arrowhead Winter Ultra — 27/1/2020

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road8,4%

Trail91,6%

Wins & podiums (ultra)

🏆 Win6

🏆 Win M6

🏅 Top 316

🏅 Top 3 M17

Longest winning streak1

Current streak0

Records

50 km4h04'49 100 km11h44'43 50 mi7h42'13 100 mi18h48'18 24 h205,59 km

HISTORY

80 race(s)

Date		Race	Perf.	Rk
2026
14.03	50km	4th Three Creeks Torrent Trail Runs	7:37:13 h	12
2025
10.05	50km	44th Ice Age Trail 50 km Run	7:27:43 h	124
2022
14.05	50mi	41th Ice Age Trail 50 Mile Run	11:28:17 h	111
2021
10.10	50mi	35th Glacial Trail 50 Mile Race	11:29:04 h	19
11.09	50mi	40th Ice Age Trail 50 Mile Run	11:27:26 h	77
04.09	24h	16th Badgerland F/X 24 Hour Run	50.452 km	11
2020
11.10	50mi	34th Glacial Trail 50 Mile Race	9:46:42 h	7
05.09	24h	15th Badgerland F/X 24 Hour Run	198.384 km	1 🏆
27.01	135mi	15th Arrowhead Winter Ultra	39:15:00 h	6
2019
13.10	50mi	33rd Glacial Trail 50 Mile Race	9:29:00 h	4
31.08	24h	14th Badgerland F/X 24 Hour Run	205.593 km	1 🏆
01.06	100mi	24th Kettle Moraine 100 Mile Endurance Run	24:50:22 h	43
11.05	50mi	38th Ice Age Trail 50 Mile Run	9:31:28 h	98
28.01	135mi	14th Arrowhead Winter Ultra	38:23:00 h	3 🥉
2018
14.10	50mi	32nd Glacial Trail 50 Mile Race	10:13:22 h	16
01.09	24h	13th Badgerland F/X 24 Hour Run	89.133 km	13
02.06	100mi	23rd Kettle Moraine 100 Mile Endurance Run	25:28:26 h	70
12.05	50mi	37th Ice Age Trail 50 Mile Run	10:09:38 h	115
29.01	135mi	13th Arrowhead Winter Ultra	41:02:00 h	3 🥉
2017
02.09	24h	12th Badgerland F/X 24 Hour Run	173.149 km	2 🥈
13.05	50mi	36th Ice Age Trail 50 Mile Run	10:37:44 h	101
30.01	135mi	12th Arrowhead Winter Ultra	43:00:00 h	4
2016
03.09	24h	11th Badgerland F/X 24 Hour Run	153.628 km	4
14.05	50mi	35th Ice Age Trail 50 Mile Run	10:46:30 h	172
2015
09.05	50mi	34th Ice Age Trail 50 Mile Run	10:55:46 h	183
2014
10.05	50mi	33rd Ice Age Trail 50 Mile Run	10:09:20 h	108
2013
13.10	50mi	27th Glacial Trail 50 Mile Race	9:24:54 h	14
15.07	135mi	27th Badwater Ultramarathon	41:27:51 h	49
11.05	50mi	32nd Ice Age Trail 50 Mile Run	8:27:45 h	36
28.01	135mi	8th Arrowhead Winter Ultra	45:40:00 h	1 🏆
2012
14.10	50mi	26th Glacial Trail 50 Mile Race	9:32:10 h	10
01.09	24h	7th Badgerland F/X 24 Hour Run	184.400 km	2 🥈
02.06	100mi	17th Kettle Moraine 100 Mile Endurance Run	23:26:02 h	29
12.05	50mi	31st Ice Age Trail 50 Mile Run	8:59:48 h	62
30.01	135mi	7th Arrowhead Winter Ultra	40:46:00 h	2 🥈
2011
09.10	50mi	25th Glacial Trail 50 Mile Race	9:50:10 h	11
03.09	24h	6th Badgerland F/X 24 Hour Run	170.030 km	1 🏆
14.05	50mi	30th Ice Age Trail 50 Mile Run	9:37:13 h	81
05.02	50km	23rd John Dick Memorial Crusty 50K	6:47:42 h	7
2010
08.05	50mi	29th Ice Age Trail 50 Mile Run	9:35:02 h	65
2009
06.06	100mi	14th Kettle Moraine 100 Mile Endurance Run	23:22:42 h	31
09.05	50mi	28th Ice Age Trail 50 Mile Run	9:40:32 h	68
07.02	50km	21st John Dick Memorial Crusty 50K	5:14:51 h	18
2008
10.05	50mi	27th Ice Age Trail 50 Mile Run	10:08:58 h	87
2007
12.05	50mi	26th Ice Age Trail 50 Mile Run	9:29:00 h	73
03.02	50km	19th John Dick Memorial Crusty 50K	4:56:00 h	7
2006
03.06	100mi	11th Kettle Moraine 100 Mile Endurance Run	18:48:18 h	1 🏆
13.05	50mi	25th Ice Age Trail 50 Mile Run	8:04:52 h	13
01.02	50km	18th John Dick Memorial Crusty 50K	4:04:49 h	2 🥈
2005
09.10	50km	19th Glacial Trail 50 km Race	4:43:00 h	11
14.05	50mi	24th Ice Age Trail 50 Mile Run	8:33:57 h	27
12.02	50km	17th John Dick Memorial Crusty 50K	4:26:07 h	3 🥉
2004
10.10	50mi	18th Glacial Trail 50 Mile Race	8:23:16 h	3 🥉
05.06	100mi	9th Kettle Moraine 100 Mile Endurance Run	20:19:15 h	4
08.05	50mi	23th Ice Age Trail 50 Mile Run	7:52:53 h	14
2003
12.10	50mi	17th Glacial Trail 50 Mile Race	7:48:25 h	1 🏆
07.06	100mi	8th Kettle Moraine 100 Mile Endurance Run	20:49:47 h	6
10.05	50mi	22th Ice Age Trail 50 Mile Run	7:42:13 h	11
01.02	50km	15th John Dick Memorial Crusty 50K	4:05:12 h	3 🥉
2002
13.10	50mi	16th Glacial Trail 50 Mile Race	9:05:00 h	5
29.06	100mi	29th Western States 100 Mile Endurance Run	26:23:08 h	113
11.05	50mi	21th Ice Age Trail 50 Mile Run	7:52:07 h	11
02.02	50km	14th John Dick Memorial Crusty 50K	4:21:10 h	4
2001
07.10	50mi	15th Glacial Trail 50 Mile Race	9:04:56 h	5
2000
02.06	100mi	5th Kettle Moraine 100 Mile Endurance Run	20:32:50 h	6
13.05	50mi	19th Ice Age Trail 50 Mile Run	8:08:20 h	42
1999
26.09	50km	13th Glacial Trail 50 km Race	5:26:07 h	18
04.06	100mi	4th Kettle Moraine 100 Mile Endurance Run	19:56:55 h	4
08.05	50mi	18th Ice Age Trail 50 Mile Run	7:50:07 h	30
1998
05.06	100mi	3rd Kettle Moraine 100 Mile Endurance Run	19:51:44 h	6
16.05	50mi	17th Ice Age Trail 50 Mile Run	8:32:20 h	47
1997
05.10	100km	11th Glacial Trail Run 100 km	11:44:43 h	3 🥉
06.06	100mi	2nd Kettle Moraine 100 Mile Endurance Run	20:43:15 h	9
17.05	50mi	16th Ice Age Trail 50 Mile Run	8:19:35 h	45
1996
18.05	50mi	15th Ice Age Trail 50 Mile Run	9:48:42 h	50
1995
13.05	50mi	14th Ice Age Trail 50 Mile Run	10:20:14 h	166
1994
21.05	50mi	13th Ice Age Trail 50 Mile Run	9:14:50 h	65
1993
15.05	50mi	12th Ice Age Trail 50 Mile Run	8:54:12 h	84
1992
16.05	50mi	11th Ice Age Trail 50 Mile Run	9:42:51 h	96
1991
18.05	50mi	10th Ice Age Trail 50 Mile Run	7:52:58 h	23

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	27/1/2020	15th Arrowhead Winter Ultra	217,26	×2
✓ 2	28/1/2019	14th Arrowhead Winter Ultra	217,26	×2
✓ 3	29/1/2018	13th Arrowhead Winter Ultra	217,26	×2
✓ 4	30/1/2017	12th Arrowhead Winter Ultra	217,26	×2
✓ 5	15/7/2013	27th Badwater Ultramarathon	217,26	×2
✓ 6	28/1/2013	8th Arrowhead Winter Ultra	217,26	×2
✓ 7	30/1/2012	7th Arrowhead Winter Ultra	217,26	×2
✓ 8	31/8/2019	14th Badgerland F/X 24 Hour Run	205,59	×2
✓ 9	5/9/2020	15th Badgerland F/X 24 Hour Run	198,38	×2
✓ 10	1/9/2012	7th Badgerland F/X 24 Hour Run	184,40	×2
✓ 11	2/9/2017	12th Badgerland F/X 24 Hour Run	173,15	×2
✓ 12	3/9/2011	6th Badgerland F/X 24 Hour Run	170,03	×2
✓ 13	1/6/2019	24th Kettle Moraine 100 Mile Endurance Run	160,93	×2
✓ 14	2/6/2018	23rd Kettle Moraine 100 Mile Endurance Run	160,93	×2
✓ 15	2/6/2012	17th Kettle Moraine 100 Mile Endurance Run	160,93	×2
✓ 16	6/6/2009	14th Kettle Moraine 100 Mile Endurance Run	160,93	×2
✓ 17	3/6/2006	11th Kettle Moraine 100 Mile Endurance Run	160,93	×2
✓ 18	5/6/2004	9th Kettle Moraine 100 Mile Endurance Run	160,93	×2
✓ 19	7/6/2003	8th Kettle Moraine 100 Mile Endurance Run	160,93	×2
✓ 20	29/6/2002	29th Western States 100 Mile Endurance Run	160,93	×2
✓ 21	2/6/2000	5th Kettle Moraine 100 Mile Endurance Run	160,93	×2
✓ 22	4/6/1999	4th Kettle Moraine 100 Mile Endurance Run	160,93	×2
✓ 23	5/6/1998	3rd Kettle Moraine 100 Mile Endurance Run	160,93	×2
✓ 24	6/6/1997	2nd Kettle Moraine 100 Mile Endurance Run	160,93	×2
✓ 25	3/9/2016	11th Badgerland F/X 24 Hour Run	153,63	×1
✓ 26	5/10/1997	11th Glacial Trail Run 100 km	100,00	×1
✓ 27	1/9/2018	13th Badgerland F/X 24 Hour Run	89,13	×1
✓ 28	14/5/2022	41th Ice Age Trail 50 Mile Run	80,47	×1
✓ 29	10/10/2021	35th Glacial Trail 50 Mile Race	80,47	×1
✓ 30	11/9/2021	40th Ice Age Trail 50 Mile Run	80,47	×1
✓ 31	11/10/2020	34th Glacial Trail 50 Mile Race	80,47	×1
✓ 32	13/10/2019	33rd Glacial Trail 50 Mile Race	80,47	×1
✓ 33	11/5/2019	38th Ice Age Trail 50 Mile Run	80,47	×1
✓ 34	14/10/2018	32nd Glacial Trail 50 Mile Race	80,47	×1
✓ 35	12/5/2018	37th Ice Age Trail 50 Mile Run	80,47	×1
✓ 36	13/5/2017	36th Ice Age Trail 50 Mile Run	80,47	×1
✓ 37	14/5/2016	35th Ice Age Trail 50 Mile Run	80,47	×1
✓ 38	9/5/2015	34th Ice Age Trail 50 Mile Run	80,47	×1
✓ 39	10/5/2014	33rd Ice Age Trail 50 Mile Run	80,47	×1
✓ 40	13/10/2013	27th Glacial Trail 50 Mile Race	80,47	×1
✓ 41	11/5/2013	32nd Ice Age Trail 50 Mile Run	80,47	×1
✓ 42	14/10/2012	26th Glacial Trail 50 Mile Race	80,47	×1
✓ 43	12/5/2012	31st Ice Age Trail 50 Mile Run	80,47	×1
✓ 44	9/10/2011	25th Glacial Trail 50 Mile Race	80,47	×1
✓ 45	14/5/2011	30th Ice Age Trail 50 Mile Run	80,47	×1
✓ 46	8/5/2010	29th Ice Age Trail 50 Mile Run	80,47	×1
✓ 47	9/5/2009	28th Ice Age Trail 50 Mile Run	80,47	×1
✓ 48	10/5/2008	27th Ice Age Trail 50 Mile Run	80,47	×1
✓ 49	12/5/2007	26th Ice Age Trail 50 Mile Run	80,47	×1
✓ 50	13/5/2006	25th Ice Age Trail 50 Mile Run	80,47	×1
✓ 51	14/5/2005	24th Ice Age Trail 50 Mile Run	80,47	×1
✓ 52	10/10/2004	18th Glacial Trail 50 Mile Race	80,47	×1
✓ 53	8/5/2004	23th Ice Age Trail 50 Mile Run	80,47	×1
✓ 54	12/10/2003	17th Glacial Trail 50 Mile Race	80,47	×1
✓ 55	10/5/2003	22th Ice Age Trail 50 Mile Run	80,47	×1
✓ 56	13/10/2002	16th Glacial Trail 50 Mile Race	80,47	×1
✓ 57	11/5/2002	21th Ice Age Trail 50 Mile Run	80,47	×1
✓ 58	7/10/2001	15th Glacial Trail 50 Mile Race	80,47	×1
✓ 59	13/5/2000	19th Ice Age Trail 50 Mile Run	80,47	×1
✓ 60	8/5/1999	18th Ice Age Trail 50 Mile Run	80,47	×1
✓ 61	16/5/1998	17th Ice Age Trail 50 Mile Run	80,47	×1
✓ 62	17/5/1997	16th Ice Age Trail 50 Mile Run	80,47	×1
✓ 63	18/5/1996	15th Ice Age Trail 50 Mile Run	80,47	×1
✓ 64	13/5/1995	14th Ice Age Trail 50 Mile Run	80,47	×1
✓ 65	21/5/1994	13th Ice Age Trail 50 Mile Run	80,47	×1
✓ 66	15/5/1993	12th Ice Age Trail 50 Mile Run	80,47	×1
✓ 67	16/5/1992	11th Ice Age Trail 50 Mile Run	80,47	×1
✓ 68	18/5/1991	10th Ice Age Trail 50 Mile Run	80,47	×1
69	4/9/2021	16th Badgerland F/X 24 Hour Run	50,45	—
70	14/3/2026	4th Three Creeks Torrent Trail Runs	50,00	—
71	10/5/2025	44th Ice Age Trail 50 km Run	50,00	—
72	5/2/2011	23rd John Dick Memorial Crusty 50K	50,00	—
73	7/2/2009	21st John Dick Memorial Crusty 50K	50,00	—
74	3/2/2007	19th John Dick Memorial Crusty 50K	50,00	—
75	1/2/2006	18th John Dick Memorial Crusty 50K	50,00	—
76	9/10/2005	19th Glacial Trail 50 km Race	50,00	—
77	12/2/2005	17th John Dick Memorial Crusty 50K	50,00	—
78	1/2/2003	15th John Dick Memorial Crusty 50K	50,00	—
79	2/2/2002	14th John Dick Memorial Crusty 50K	50,00	—
80	26/9/1999	13th Glacial Trail 50 km Race	50,00	—