Roger Dellor

Born : 1942 Cat. M80 Ultrarunner since 1993

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

20,5%

Rank quotient ?This runner's calculation uses 57 eligible race(s): Σ(rank − 1) = 1 840; Σ finishers = 8 972. 1 840 / 8 972 × 100 = 20.51%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed57

Km — ultra races4 494 km

> 100 km7

> 160 km7

Longest race160,9 km

33th Western States 100 Mile Endurance Run — 24/6/2006

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road5,1%

Trail94,9%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 31

🏅 Top 3 M1

Longest winning streak0

Current streak0

Records

50 km3h50'17 100 km9h32'37 50 mi8h14'04 100 mi20h28'05

HISTORY

58 race(s)

Date		Race	Perf.	Rk
2006
26.08	31.5mi	9th Tamalpa Headlands 50K	5:11:35 h	32
24.06	100mi	33th Western States 100 Mile Endurance Run	23:41:01 h	45
21.05	50km	19th Ohlone 50K Wilderness Run	6:27:51 h	35
20.05	50km	21st Silver State 50 km	7:23:20 h	16
06.05	100km	11th Miwok 100k Trail race	11:12:45 h	53
25.03	50km	5th Stevens Creek Striders 50K	5:46:04 h	11
2005
15.10	50mi	23rd Dick Collins Firetrails 50 Mile	9:45:52 h	56
22.05	50km	18th Ohlone 50K Wilderness Run	6:18:57 h	23
20.03	50km	4th Stevens Creek Striders 50K	5:36:39 h	12
08.01	54km	26th Epiphany Ultras - The Popular But Wussy Metric	6:02:00 h	3 🥉
2004
16.05	50km	17th Ohlone 50K Wilderness Run	6:18:32 h	24
15.05	50km	19th Silver State 50 km	6:18:38 h	7
01.05	100km	9th Miwok 100k Trail race	11:20:42 h	38
21.03	50km	3rd Stevens Creek Striders 50K	5:24:24 h	7
13.03	50km	15th Way Too Cool 50K Endurance Run	5:11:18 h	119
10.01	53km	25th Epiphany Ultras - The Popular But Wussy Metric	5:49:00 h	7
2003
11.10	50mi	21st Dick Collins Firetrails 50 Mile	8:21:37 h	14
28.06	100mi	30th Western States 100 Mile Endurance Run	20:28:05 h	25
18.05	50km	16th Ohlone 50K Wilderness Run	6:17:19 h	32
17.05	50km	18th Silver State 50 km	7:02:56 h	12
03.05	100km	8th Miwok 100k Trail race	11:25:23 h	38
2002
12.10	50mi	20th Dick Collins Firetrails 50 Mile	8:56:42 h	29
24.08	31.5mi	5th Tamalpa Headlands 50K	5:19:00 h	63
11.05	50km	19th Quicksilver 50 km Endurance Run	4:36:17 h	8
04.05	100km	7th Miwok 100k Trail race	10:28:02 h	17
2001
25.08	31.5mi	4th Tamalpa Headlands 50K	5:07:25 h	26
23.06	100mi	28th Western States 100 Mile Endurance Run	22:34:39 h	51
05.05	100km	6th Miwok 100k Trail race	11:13:02 h	27
07.04	50mi	22nd American River 50 Mile Endurance Run	8:32:28 h	67
2000
14.10	50mi	18th Dick Collins Firetrails 50 Mile	8:37:38 h	14
26.08	31.5mi	3rd Tamalpa Headlands 50K	5:22:36 h	20
24.06	100mi	27th Western States 100 Mile Endurance Run	23:44:53 h	53
20.05	50km	15th Silver State 50 km	6:44:45 h	12
06.05	100km	5th Miwok 100k Trail race	11:27:50 h	35
01.04	50mi	21st American River 50 Mile Endurance Run	9:15:24 h	107
1999
09.10	50mi	17th Dick Collins Firetrails 50 Mile	9:11:57 h	12
07.08	50km	18th Skyline 50k Endurance Run	4:49:44 h	34
26.06	100mi	26th Western States 100 Mile Endurance Run	21:53:45 h	26
15.05	50km	14th Silver State 50 km	7:19:30 h	19
01.05	100km	4th Miwok 100k Trail race	11:41:43 h	34
10.04	50mi	20th American River 50 Mile Endurance Run	8:14:04 h	82
1998
10.10	50mi	16th Dick Collins Firetrails 50 Mile	8:39:41 h	16
29.08	31.5mi	1st Tamalpa Headlands 50K	5:26:19 h	33
01.08	50km	17th Skyline 50k Endurance Run	5:00:10 h	33
16.05	50km	13th Silver State 50 km	8:10:58 h	26
1997
20.10	50mi	15th Dick Collins Firetrails 50 Mile	8:30:40 h	14
28.06	100mi	24th Western States 100 Mile Endurance Run	23:21:46 h	73
17.05	50km	12th Silver State 50 km	7:01:54 h	21
10.05	50km	14th Quicksilver 50 km Endurance Run	4:44:01 h	19
19.04	50mi	12th Ruth Anderson Ultra 100km - 50mi Split	7:43:35 h	18
19.04	100km	12th Ruth Anderson Ultra 100km	9:32:37 h	14
05.04	50mi	18th American River 50 Mile Endurance Run	8:20:21 h	98
18.01	50km	19th Jed Smith Ultra Classic - 50 km Race	3:50:17 h	10
1996
12.10	50mi	14th Dick Collins Firetrails 50 Mile	8:54:47 h	26
29.06	100mi	23rd Western States 100 Mile Endurance Run	24:50:46 h	81
27.04	50mi	California 50 Mile Endurance Run	9:13:49 h	30
1995
14.10	50mi	13th Dick Collins Firetrails 50 Mile	9:42:24 h	26
1993
14.11	50mi	Gibson Ranch Last Chance 50 Mile	8:31:55 h	32

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	24/6/2006	33th Western States 100 Mile Endurance Run	160,93	×3
✓ 2	28/6/2003	30th Western States 100 Mile Endurance Run	160,93	×3
✓ 3	23/6/2001	28th Western States 100 Mile Endurance Run	160,93	×3
✓ 4	24/6/2000	27th Western States 100 Mile Endurance Run	160,93	×3
✓ 5	26/6/1999	26th Western States 100 Mile Endurance Run	160,93	×3
✓ 6	28/6/1997	24th Western States 100 Mile Endurance Run	160,93	×3
✓ 7	29/6/1996	23rd Western States 100 Mile Endurance Run	160,93	×3
✓ 8	6/5/2006	11th Miwok 100k Trail race	100,00	×2
✓ 9	1/5/2004	9th Miwok 100k Trail race	100,00	×2
✓ 10	3/5/2003	8th Miwok 100k Trail race	100,00	×2
✓ 11	4/5/2002	7th Miwok 100k Trail race	100,00	×2
✓ 12	5/5/2001	6th Miwok 100k Trail race	100,00	×2
✓ 13	6/5/2000	5th Miwok 100k Trail race	100,00	×2
✓ 14	1/5/1999	4th Miwok 100k Trail race	100,00	×2
✓ 15	19/4/1997	12th Ruth Anderson Ultra 100km	100,00	×2
✓ 16	15/10/2005	23rd Dick Collins Firetrails 50 Mile	80,47	×1
✓ 17	11/10/2003	21st Dick Collins Firetrails 50 Mile	80,47	×1
✓ 18	12/10/2002	20th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 19	7/4/2001	22nd American River 50 Mile Endurance Run	80,47	×1
✓ 20	14/10/2000	18th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 21	1/4/2000	21st American River 50 Mile Endurance Run	80,47	×1
✓ 22	9/10/1999	17th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 23	10/4/1999	20th American River 50 Mile Endurance Run	80,47	×1
✓ 24	10/10/1998	16th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 25	20/10/1997	15th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 26	5/4/1997	18th American River 50 Mile Endurance Run	80,47	×1
✓ 27	12/10/1996	14th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 28	27/4/1996	California 50 Mile Endurance Run	80,47	×1
✓ 29	14/10/1995	13th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 30	14/11/1993	Gibson Ranch Last Chance 50 Mile	80,47	×1
✓ 31	8/1/2005	26th Epiphany Ultras - The Popular But Wussy Metric	54,00	×1
✓ 32	10/1/2004	25th Epiphany Ultras - The Popular But Wussy Metric	53,00	×1
✓ 33	26/8/2006	9th Tamalpa Headlands 50K	50,69	×1
✓ 34	24/8/2002	5th Tamalpa Headlands 50K	50,69	×1
✓ 35	25/8/2001	4th Tamalpa Headlands 50K	50,69	×1
✓ 36	26/8/2000	3rd Tamalpa Headlands 50K	50,69	×1
✓ 37	29/8/1998	1st Tamalpa Headlands 50K	50,69	×1
✓ 38	21/5/2006	19th Ohlone 50K Wilderness Run	50,00	×1
✓ 39	20/5/2006	21st Silver State 50 km	50,00	×1
✓ 40	25/3/2006	5th Stevens Creek Striders 50K	50,00	×1
✓ 41	22/5/2005	18th Ohlone 50K Wilderness Run	50,00	×1
✓ 42	20/3/2005	4th Stevens Creek Striders 50K	50,00	×1
✓ 43	16/5/2004	17th Ohlone 50K Wilderness Run	50,00	×1
✓ 44	15/5/2004	19th Silver State 50 km	50,00	×1
✓ 45	21/3/2004	3rd Stevens Creek Striders 50K	50,00	×1
✓ 46	13/3/2004	15th Way Too Cool 50K Endurance Run	50,00	×1
✓ 47	18/5/2003	16th Ohlone 50K Wilderness Run	50,00	×1
✓ 48	17/5/2003	18th Silver State 50 km	50,00	×1
✓ 49	11/5/2002	19th Quicksilver 50 km Endurance Run	50,00	×1
✓ 50	20/5/2000	15th Silver State 50 km	50,00	×1
51	7/8/1999	18th Skyline 50k Endurance Run	50,00	×1
52	15/5/1999	14th Silver State 50 km	50,00	×1
53	1/8/1998	17th Skyline 50k Endurance Run	50,00	×1
54	16/5/1998	13th Silver State 50 km	50,00	×1
55	17/5/1997	12th Silver State 50 km	50,00	×1
56	10/5/1997	14th Quicksilver 50 km Endurance Run	50,00	×1
57	18/1/1997	19th Jed Smith Ultra Classic - 50 km Race	50,00	×1