Frederick Riemer

Born : 1947 Cat. M75 Ultrarunner since 1982

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

75,2%

Rank quotient ?This runner's calculation uses 77 eligible race(s): Σ(rank − 1) = 4 886; Σ finishers = 6 501. 4 886 / 6 501 × 100 = 75.16%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed77

Km — ultra races10 324 km

> 100 km40

> 160 km36

> 200 km9

> 24h15

> 48h13

Longest race614,8 km

1st Sri Chinmoy 7 Day Race — 14/10/1988

Km per year (ultra races)

2022

2023

2024

271

2025

106

2026

Race types (share of distance)

Road48,4%

Trail51,6%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 32

🏅 Top 3 M2

Longest winning streak0

Current streak0

Records

50 km5h04'56 100 km9h58'33 50 mi7h35'42 100 mi23h11'54 12 h68,56 km 24 h189,90 km 48 h210,00 km 6 d449,01 km

HISTORY

80 race(s) · 5 split(s) nested

Date		Race	Perf.	Rk
2026
04.09	48h	3rd Front Range Ultra Dayze 48h	106.216 km	12
2025
28.12	48h	41st Across the Years, 48h	106.718 km	41
03.04	72h	13th Beyond Limits Ultra Race 72 Hour	164.153 km	10
2019
28.12	10d	35th Across the Years, 10 days	532.844 km	25
28.12	6d	35th Across the Years, 10 days - 6d Split	392.889 km	25
2018
28.12	6d	34th Across the Years, 6 days	356.484 km	36
30.08	86h	4th A Race for the Ages	210.824 km	29
2017
30.12	72h	33rd Across the Years, 72h	226.393 km	12
11.11	50km	7th Antelope Island Fall Classic 50K	9:12:17 h	156
18.03	50km	12th Antelope Island Buffalo Run 50 km	9:20:08 h	94
2016
05.11	50km	6th Antelope Island Fall Classic 50K	8:42:56 h	179
18.06	50km	6th Canyon Meadow (Spring) 50 km Trail Run	9:08:25 h	37
19.03	50km	11th Antelope Island Buffalo Run 50 km	9:35:02 h	124
2015
31.12	12h	6th New Years One Day 12 Hour Run	68.558 km	26
2014
21.06	12h	2nd San Francisco Summer Solstice 12h	51.225 km	17
2013
15.06	12h	1st San Francisco Summer Solstice 12h	66.593 km	13
2012
31.12	12h	3rd New Years One Day 12 Hour Run	51.225 km	25
21.04	50km	26th Ruth Anderson Ultra 50km	7:25:30 h	41
2011
31.12	12h	2nd New Years One Day 12 Hour Run	64.885 km	30
2008
27.04	48h	11th Sri Chinmoy 6 Day Race - 48h Split	149.668 km	21
27.04	6d	11th Sri Chinmoy 6 Day Race	395.898 km	20
2007
29.12	48h	25th Across the Years, 48h	174.000 km	10
12.05	50km	24th Quicksilver 50 km Endurance Run	7:07:13 h	71
2006
30.12	48h	24th Across the Years, 48h	210.000 km	10
02.09	50mi	2nd Grand Teton Races 50 Miles	17:00:03 h	29
2005
30.12	48h	23rd Across the Years, 48h	164.500 km	9
30.12	24h	23rd Across the Years, 48h - 24h Split	113.500 km	9
01.05	48h	8th Sri Chinmoy 6 Day Race - 48h Split	181.855 km	18
01.05	6d	8th Sri Chinmoy 6 Day Race	449.006 km	19
2004
30.12	48h	22nd Across the Years, 48h	204.000 km	7
06.11	50mi	9th Helen Klein Ultra Classic 50mi	11:52:08 h	68
08.05	50km	21st Quicksilver 50 km Endurance Run	8:04:26 h	76
2003
29.11	28mi	19th Quad Dipsea Trail Run	6:59:48 h	160
03.08	50km	22nd Skyline 50k Endurance Run	8:08:18 h	160
2000
25.11	28mi	16th Quad Dipsea Trail Run	6:44:16 h	138
09.09	100mi	21st Wasatch Front 100 Mile	35:55:38 h	123
05.08	50km	19th Skyline 50k Endurance Run	6:48:22 h	146
13.05	50km	17th Quicksilver 50 km Endurance Run	6:48:49 h	73
06.05	100km	5th Miwok 100k Trail race	16:26:37 h	149
11.01	49mi	Epiphany Ultras - The Real Deal	10:38:00 h	18
1999
11.12	50km	3rd Hunter S. Thompson Fear & Loathing 50 km	7:54:07 h	17
27.11	28mi	15th Quad Dipsea Trail Run	6:29:16 h	111
11.09	100mi	20th Wasatch Front 100 Mile	32:50:00 h	81
17.07	100mi	11th Vermont 100 Mile Endurance Race	23:52:58 h	44
15.05	50km	14th Silver State 50 km	9:00:52 h	51
1998
28.11	28mi	14th Quad Dipsea Trail Run	6:27:27 h	113
14.11	50km	3rd Helen Klein Ultra Classic 50km	5:04:56 h	8
12.09	100mi	19th Wasatch Front 100 Mile	35:45:00 h	150
02.05	100km	3rd Miwok 100k Trail race	14:27:18 h	83
1997
29.11	50mi	26th Metropolitan 50 Mile Race	8:58:05 h	20
18.10	50mi	6th Maine Track Club Ultra 50 Mile	9:19:22 h	14
05.09	100mi	18th Wasatch Front 100 Mile	34:23:00 h	97
17.05	50mi	12th Silver State 50 Miles	11:48:56 h	55
1996
30.11	28mi	12th Quad Dipsea Trail Run	5:56:56 h	79
06.09	100mi	17th Wasatch Front 100 Mile	35:48:31 h	92
29.06	100mi	23rd Western States 100 Mile Endurance Run	29:51:49 h	225
1994
09.09	100mi	15th Wasatch Front 100 Mile	35:51:00 h	108
1992
26.09	100mi	7th Angeles Crest 100 Mile	31:32:30 h	61
11.09	100mi	13th Wasatch Front 100 Mile	35:56:25 h	87
22.08	100mi	10th Leadville Trail 100 Mile	29:49:36 h	139
25.07	100mi	4th Vermont 100 Mile Endurance Race	23:11:54 h	101
27.06	100mi	19th Western States 100 Mile Endurance Run	29:26:34 h	206
1991
13.09	100mi	12th Wasatch Front 100 Mile	35:56:38 h	57
1990
29.09	24h	Megan's Run 24 Hour	129.843 km	30
29.09	50mi	Megan's Run 24 Hour - 50mi Split	11:42:00 h	35
11.02	100km	100km Jed Smith Ultra Classic	9:58:33 h	14
1989
08.09	100mi	10th Wasatch Front 100 Mile	35:54:24 h	72
29.07	100mi	1st Vermont 100 Mile Endurance Race	23:26:50 h	56
24.06	100mi	16th Western States 100 Mile Endurance Run	28:29:47 h	183
30.04	50mi	15th Lake Waramaug 50mi Ultra Marathon	7:35:42 h	15
1988
14.10	6d	1st Sri Chinmoy 7 Day Race - 6d Split	523.036 km	9
14.10	7d	1st Sri Chinmoy 7 Day Race	614.769 km	8
09.09	100mi	9th Wasatch Front 100 Mile	33:08:13 h	41
25.06	100mi	15th Western States 100 Mile Endurance Run	28:16:21 h	198
1987
02.05	24h	9th Sri Chinmoy 24 Hour Race	189.902 km	3 🥉
02.05	50mi	9th Sri Chinmoy 24 Hour Race - 50mi Split	9:20:25 h	19
02.05	100mi	9th Sri Chinmoy 24 Hour Race - 100mi Split	20:19:14 h	6
1986
12.09	100mi	7th Wasatch Front 100 Mile	33:37:29 h	31
1984
10.11	50km	Howlin' Wolf 50 km	7:04:04 h	13
07.09	100mi	5th Wasatch Front 100 Mile	34:24:41 h	22
13.07	100mi	Hogback Hundred	29:48:00 h	3 🥉
1983
09.09	100mi	4th Wasatch Front 100 Mile	34:38:46 h	18
1982
07.11	41.2mi	Grand Canyon Double Crossing	9:53:24 h	9
01.01	32mi	Bair Gutsman Mountain Ultra	6:02:35 h	8
Unknown date
—	48h	13th Jackpot Ultra Running Festival 48 Hour Race	130.081 km	47

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	14/10/1988	1st Sri Chinmoy 7 Day Race	614,77	×7
✓ 2	28/12/2019	35th Across the Years, 10 days	532,84	×6
✓ 3	1/5/2005	8th Sri Chinmoy 6 Day Race	449,01	×5
✓ 4	27/4/2008	11th Sri Chinmoy 6 Day Race	395,90	×4
✓ 5	28/12/2018	34th Across the Years, 6 days	356,48	×4
✓ 6	30/12/2017	33rd Across the Years, 72h	226,39	×2
✓ 7	30/8/2018	4th A Race for the Ages	210,82	×2
✓ 8	30/12/2006	24th Across the Years, 48h	210,00	×2
✓ 9	30/12/2004	22nd Across the Years, 48h	204,00	×2
✓ 10	2/5/1987	9th Sri Chinmoy 24 Hour Race	189,90	×2
✓ 11	29/12/2007	25th Across the Years, 48h	174,00	×2
✓ 12	30/12/2005	23rd Across the Years, 48h	164,50	×2
✓ 13	3/4/2025	13th Beyond Limits Ultra Race 72 Hour	164,15	×2
✓ 14	9/9/2000	21st Wasatch Front 100 Mile	160,93	×2
✓ 15	11/9/1999	20th Wasatch Front 100 Mile	160,93	×2
✓ 16	17/7/1999	11th Vermont 100 Mile Endurance Race	160,93	×2
✓ 17	12/9/1998	19th Wasatch Front 100 Mile	160,93	×2
✓ 18	5/9/1997	18th Wasatch Front 100 Mile	160,93	×2
✓ 19	6/9/1996	17th Wasatch Front 100 Mile	160,93	×2
✓ 20	29/6/1996	23rd Western States 100 Mile Endurance Run	160,93	×2
✓ 21	9/9/1994	15th Wasatch Front 100 Mile	160,93	×2
✓ 22	26/9/1992	7th Angeles Crest 100 Mile	160,93	×2
✓ 23	11/9/1992	13th Wasatch Front 100 Mile	160,93	×2
✓ 24	22/8/1992	10th Leadville Trail 100 Mile	160,93	×2
✓ 25	25/7/1992	4th Vermont 100 Mile Endurance Race	160,93	×2
✓ 26	27/6/1992	19th Western States 100 Mile Endurance Run	160,93	×2
✓ 27	13/9/1991	12th Wasatch Front 100 Mile	160,93	×2
✓ 28	8/9/1989	10th Wasatch Front 100 Mile	160,93	×2
✓ 29	29/7/1989	1st Vermont 100 Mile Endurance Race	160,93	×2
✓ 30	24/6/1989	16th Western States 100 Mile Endurance Run	160,93	×2
✓ 31	9/9/1988	9th Wasatch Front 100 Mile	160,93	×2
✓ 32	25/6/1988	15th Western States 100 Mile Endurance Run	160,93	×2
✓ 33	12/9/1986	7th Wasatch Front 100 Mile	160,93	×2
✓ 34	7/9/1984	5th Wasatch Front 100 Mile	160,93	×2
✓ 35	13/7/1984	Hogback Hundred	160,93	×2
✓ 36	9/9/1983	4th Wasatch Front 100 Mile	160,93	×2
✓ 37	—	13th Jackpot Ultra Running Festival 48 Hour Race	130,08	×1
✓ 38	29/9/1990	Megan's Run 24 Hour	129,84	×1
✓ 39	28/12/2025	41st Across the Years, 48h	106,72	×1
✓ 40	4/9/2026	3rd Front Range Ultra Dayze 48h	106,22	×1
✓ 41	6/5/2000	5th Miwok 100k Trail race	100,00	×1
✓ 42	2/5/1998	3rd Miwok 100k Trail race	100,00	×1
✓ 43	11/2/1990	100km Jed Smith Ultra Classic	100,00	×1
✓ 44	2/9/2006	2nd Grand Teton Races 50 Miles	80,47	×1
✓ 45	6/11/2004	9th Helen Klein Ultra Classic 50mi	80,47	×1
✓ 46	29/11/1997	26th Metropolitan 50 Mile Race	80,47	×1
✓ 47	18/10/1997	6th Maine Track Club Ultra 50 Mile	80,47	×1
✓ 48	17/5/1997	12th Silver State 50 Miles	80,47	×1
✓ 49	30/4/1989	15th Lake Waramaug 50mi Ultra Marathon	80,47	×1
✓ 50	11/1/2000	Epiphany Ultras - The Real Deal	78,86	—
✓ 51	31/12/2015	6th New Years One Day 12 Hour Run	68,56	—
✓ 52	15/6/2013	1st San Francisco Summer Solstice 12h	66,59	—
✓ 53	7/11/1982	Grand Canyon Double Crossing	66,30	—
✓ 54	31/12/2011	2nd New Years One Day 12 Hour Run	64,89	—
55	1/1/1982	Bair Gutsman Mountain Ultra	51,50	—
56	21/6/2014	2nd San Francisco Summer Solstice 12h	51,23	—
57	31/12/2012	3rd New Years One Day 12 Hour Run	51,23	—
58	11/11/2017	7th Antelope Island Fall Classic 50K	50,00	—
59	18/3/2017	12th Antelope Island Buffalo Run 50 km	50,00	—
60	5/11/2016	6th Antelope Island Fall Classic 50K	50,00	—
61	18/6/2016	6th Canyon Meadow (Spring) 50 km Trail Run	50,00	—
62	19/3/2016	11th Antelope Island Buffalo Run 50 km	50,00	—
63	21/4/2012	26th Ruth Anderson Ultra 50km	50,00	—
64	12/5/2007	24th Quicksilver 50 km Endurance Run	50,00	—
65	8/5/2004	21st Quicksilver 50 km Endurance Run	50,00	—
66	3/8/2003	22nd Skyline 50k Endurance Run	50,00	—
67	5/8/2000	19th Skyline 50k Endurance Run	50,00	—
68	13/5/2000	17th Quicksilver 50 km Endurance Run	50,00	—
69	11/12/1999	3rd Hunter S. Thompson Fear & Loathing 50 km	50,00	—
70	15/5/1999	14th Silver State 50 km	50,00	—
71	14/11/1998	3rd Helen Klein Ultra Classic 50km	50,00	—
72	10/11/1984	Howlin' Wolf 50 km	50,00	—
73	29/11/2003	19th Quad Dipsea Trail Run	45,06	—
74	25/11/2000	16th Quad Dipsea Trail Run	45,06	—
75	27/11/1999	15th Quad Dipsea Trail Run	45,06	—
76	28/11/1998	14th Quad Dipsea Trail Run	45,06	—
77	30/11/1996	12th Quad Dipsea Trail Run	45,06	—