Mark Driscoll

Born : 1946 Cat. M80 Ultrarunner since 1980

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

32,0%

Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 1 024; Σ finishers = 3 201. 1 024 / 3 201 × 100 = 31.99%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed18

Km — ultra races1 360 km

> 100 km3

Longest race150,5 km

10th Western States 100 Mile Endurance Run — 25/6/1983

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road3,7%

Trail96,3%

Records

50 km4h26'34 50 mi7h10'55

HISTORY

18 race(s)

Date		Race	Perf.	Rk
2003
07.06	50km	14th Shadow of the Giants 50K	7:09:40 h	60
2002
08.12	50km	16th OTHTC High Desert 50K Ultra	5:29:53 h	84
22.09	50km	3rd Whiskeytown 50km Trail Run	7:36:57 h	24
20.07	50km	2nd Tahoe Rim Trail 50km Endurance Runs	7:48:05 h	87
2000
05.08	50km	19th Skyline 50k Endurance Run	6:33:36 h	134
1999
24.07	48.6km	1st Siskiyou Out Back 50 km Trail Run	5:49:43 h	14
1998
12.09	36mi	21st Haleakala Run to the Sun	8:05:13 h	28
1987
20.09	28.7mi	Lassen Park Ultra	4:26:52 h	22
1985
06.04	52.4mi	The Forty-Niner Double Marathon Trail Run	9:39:55 h	57
1984
15.04	50mi	5th American River 50 Mile Endurance Run	9:25:09 h	199
1983
25.06	93.5mi	10th Western States 100 Mile Endurance Run	23:57:00 h	106
17.04	50mi	4th American River 50 Mile Endurance Run	7:10:55 h	34
1982
01.08	50km	1st Skyline 50k Endurance Run	4:26:34 h	53
26.06	93.5mi	9th Western States 100 Mile Endurance Run	23:29:00 h	74
18.04	50mi	3rd American River 50 Mile Endurance Run	7:30:22 h	22
1981
29.11	50km	Ultra Challenge 50 km	4:31:30 h	7
12.04	50mi	2nd American River 50 Mile Endurance Run	7:20:54 h	33
1980
28.06	93.5mi	7th Western States 100 Mile Endurance Run	19:57:35 h	4

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	25/6/1983	10th Western States 100 Mile Endurance Run	150,47	×4
✓ 2	26/6/1982	9th Western States 100 Mile Endurance Run	150,47	×4
✓ 3	28/6/1980	7th Western States 100 Mile Endurance Run	150,47	×4
✓ 4	6/4/1985	The Forty-Niner Double Marathon Trail Run	84,33	×2
✓ 5	15/4/1984	5th American River 50 Mile Endurance Run	80,47	×2
✓ 6	17/4/1983	4th American River 50 Mile Endurance Run	80,47	×2
✓ 7	18/4/1982	3rd American River 50 Mile Endurance Run	80,47	×2
✓ 8	12/4/1981	2nd American River 50 Mile Endurance Run	80,47	×2
✓ 9	12/9/1998	21st Haleakala Run to the Sun	57,94	×1
✓ 10	7/6/2003	14th Shadow of the Giants 50K	50,00	×1
✓ 11	8/12/2002	16th OTHTC High Desert 50K Ultra	50,00	×1
✓ 12	22/9/2002	3rd Whiskeytown 50km Trail Run	50,00	×1
✓ 13	20/7/2002	2nd Tahoe Rim Trail 50km Endurance Runs	50,00	×1
✓ 14	5/8/2000	19th Skyline 50k Endurance Run	50,00	×1
✓ 15	1/8/1982	1st Skyline 50k Endurance Run	50,00	×1
✓ 16	29/11/1981	Ultra Challenge 50 km	50,00	×1
✓ 17	24/7/1999	1st Siskiyou Out Back 50 km Trail Run	48,60	×1
✓ 18	20/9/1987	Lassen Park Ultra	46,19	×1