Doug White

Born : 1957 Cat. M65 Ultrarunner since 1997

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

30,6%

Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 888; Σ finishers = 2 901. 888 / 2 901 × 100 = 30.61%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed15

Km — ultra races993 km

> 100 km1

> 160 km1

Longest race160,9 km

28th Western States 100 Mile Endurance Run — 23/6/2001

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Trail100,0%

Records

50 km4h59'36 100 km12h47'57 50 mi8h22'14 100 mi25h58'20

HISTORY

15 race(s)

Date		Race	Perf.	Rk
2010
05.09	50km	15th Run On The Sly 50 km	6:53:05 h	53
15.08	50km	9th Stevens Creek Striders 50K	7:16:58 h	37
2006
03.06	50mi	10th Snow Peaks 50 Mile Trail Run	12:50:01 h	83
2001
02.09	50km	7th Run On The Sly 50 km	6:02:59 h	25
23.06	100mi	28th Western States 100 Mile Endurance Run	25:58:20 h	114
05.05	100km	6th Miwok 100k Trail race	12:47:57 h	76
2000
03.09	50mi	6th Run On The Sly 50 Mile	8:22:14 h	11
05.08	50km	19th Skyline 50k Endurance Run	4:59:36 h	38
11.03	50km	11th Way Too Cool 50K Endurance Run	5:14:45 h	98
1999
27.11	28mi	15th Quad Dipsea Trail Run	5:43:49 h	53
28.08	31.5mi	2nd Tamalpa Headlands 50K	5:25:22 h	28
07.08	50km	18th Skyline 50k Endurance Run	5:08:43 h	51
13.03	50km	10th Way Too Cool 50K Endurance Run	5:15:41 h	122
1997
29.11	28mi	13th Quad Dipsea Trail Run	6:01:30 h	91
20.10	50mi	15th Dick Collins Firetrails 50 Mile	9:00:51 h	23

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	23/6/2001	28th Western States 100 Mile Endurance Run	160,93	×6
✓ 2	5/5/2001	6th Miwok 100k Trail race	100,00	×3
✓ 3	3/6/2006	10th Snow Peaks 50 Mile Trail Run	80,47	×3
✓ 4	3/9/2000	6th Run On The Sly 50 Mile	80,47	×3
✓ 5	20/10/1997	15th Dick Collins Firetrails 50 Mile	80,47	×3
✓ 6	28/8/1999	2nd Tamalpa Headlands 50K	50,69	×1
✓ 7	5/9/2010	15th Run On The Sly 50 km	50,00	×1
✓ 8	15/8/2010	9th Stevens Creek Striders 50K	50,00	×1
✓ 9	2/9/2001	7th Run On The Sly 50 km	50,00	×1
✓ 10	5/8/2000	19th Skyline 50k Endurance Run	50,00	×1
✓ 11	11/3/2000	11th Way Too Cool 50K Endurance Run	50,00	×1
✓ 12	7/8/1999	18th Skyline 50k Endurance Run	50,00	×1
✓ 13	13/3/1999	10th Way Too Cool 50K Endurance Run	50,00	×1
✓ 14	27/11/1999	15th Quad Dipsea Trail Run	45,06	×1
✓ 15	29/11/1997	13th Quad Dipsea Trail Run	45,06	×1