Stephen Derenzo
ID 75330
Born : 1942 Cat. M80 Ultrarunner since 1982 USA
49
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
53
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
1
Countries visited ?USAUnited States
53,1%
Rank quotient ?This runner's calculation uses 50 eligible race(s): Σ(rank − 1) = 2 640; Σ finishers = 4 970. 2 640 / 4 970 × 100 = 53.12%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed50
Km — ultra races4 469 km
> 100 km10
> 160 km8
> 24h4
Longest race195,1 km
2nd Redwood Empire 24 Hour Run — 16/3/1985

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road40,6%
Trail59,4%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 35
🏅 Top 3 M5
Longest winning streak0
Current streak0

Records

50 km5h13'31100 km9h55'4150 mi8h14'02100 mi26h49'1812 h120,09 km24 h195,08 km

HISTORY

50 race(s) · 14 split(s) nested
DateRacePerf.Rk
2004
10.01 53km USA25th Epiphany Ultras - The Popular But Wussy Metric 7:21:00 h19
2003
19.07 12h USA6th Jim Skophammer 12 Hour Track Run 83.292 km13
2002
20.07 12h USA5th Jim Skophammer 12 Hour Track Run 84.736 km17
2001
11.08 12h USA9th DSE Distance Classic 12 Hour 91.314 km3 🥉
21.07 12h USA4th Jim Skophammer 12 Hour Track Run 94.000 km7
09.01 50km USAEpiphany Ultras - The Popular But Wussy Metric 6:44:00 h32
2000
22.07 12h USA3rd Jim Skophammer 12 Hour Track Run 88.352 km10
11.01 49km USAEpiphany Ultras - The Popular But Wussy Metric 6:17:00 h21
1999
09.10 50mi USA17th Dick Collins Firetrails 50 Mile 12:07:53 h60
09.01 50mi USA19th Avalon Benefit 50-Mile Run 9:58:11 h66
1998
24.10 52.4mi USA12th Sierra Nevada Endurance 52 Mile Run 12:28:22 h77
01.08 50km USA17th Skyline 50k Endurance Run 6:58:01 h179
1997
25.10 52.4mi USA11th Sierra Nevada Endurance 52 Mile Run 11:40:47 h85
18.05 50km USA10th Ohlone 50K Wilderness Run 7:58:19 h48
26.04 50mi USACalifornia 50 Mile Endurance Run 9:41:58 h47
1996
22.09 50km USADown and Up Ruck-a-Chuck 6:36:41 h20
05.05 100km USA1st Miwok 100k Trail race 13:46:06 h38
20.04 100km USA11th Ruth Anderson Ultra 100km 11:34:00 h19
1995
24.06 100mi USA22nd Western States 100 Mile Endurance Run 29:45:01 h164
15.04 100km USA10th Ruth Anderson Ultra 100km 9:55:41 h6
1994
08.10 50mi USA12th Dick Collins Firetrails 50 Mile 9:18:03 h22
1993
09.10 50mi USA11th Dick Collins Firetrails 50 Mile 9:46:09 h38
06.02 50km USA15th Jed Smith Ultra Classic - 50 km Race 10:24:59 h120
1992
18.07 24h USA9th Bay Area Ultrarunners 24 Hour Track Run 168.659 km4
1991
29.06 100mi USA18th Western States 100 Mile Endurance Run 26:49:55 h141
1990
20.05 50km USA4th Ohlone 50K Wilderness Run 5:49:51 h20
21.04 100km USA5th Ruth Anderson Ultra 100km 10:24:08 h4
27.01 50mi USA4th Ledson Marsh 50 Mile 8:56:08 h22
1989
24.06 100mi USA16th Western States 100 Mile Endurance Run 28:08:32 h174
21.05 50km USA3rd Ohlone 50K Wilderness Run 6:03:20 h25
13.05 50mi USA6th Quicksilver 50 Mile Endurance Run 9:58:56 h30
1988
26.11 12h USASri Chinmoy 12 Hour Run Oakland 105.096 km2 🥈
08.10 50mi USA6th Dick Collins Firetrails 50 Mile 9:30:32 h21
15.05 50km USA2nd Ohlone 50K Wilderness Run 5:52:53 h19
1987
27.11 28mi USA3rd Quad Dipsea Trail Run 5:49:19 h44
22.08 24h USADick Collins 24 Hour Track Run 174.886 km7
27.06 100mi USA14th Western States 100 Mile Endurance Run 26:49:18 h97
07.02 50mi USA9th Jed Smith Ultra Classic - 50 Mile Race 8:14:02 h2 🥈
1986
22.03 24h USA3rd Redwood Empire 24 Hour Run 177.836 km10
1985
06.10 12h USASri Chinmoy 12 Hour Track Run Burlingame 120.088 km3 🥉
04.08 50km USA4th Skyline 50k Endurance Run 5:13:31 h109
14.04 50mi USA6th American River 50 Mile Endurance Run 9:12:06 h94
16.03 24h USA2nd Redwood Empire 24 Hour Run 195.082 km3 🥉
1984
22.10 50mi USA2nd Dick Collins Firetrails 50 Mile 9:56:52 h7
05.08 50km USA3rd Skyline 50k Endurance Run 5:15:19 h105
13.05 50mi USACalifornia 50 Mile Endurance Run 9:28:16 h52
15.04 50mi USA5th American River 50 Mile Endurance Run 8:55:42 h138
1983
07.08 50km USA2nd Skyline 50k Endurance Run 5:45:41 h72
1982
01.08 50km USA1st Skyline 50k Endurance Run 5:16:16 h146
18.04 50mi USA3rd American River 50 Mile Endurance Run 10:26:21 h228