Michael Schiff
ID 19706
Born : 1964 Cat. M60 Ultrarunner since 1991 USA
44
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
2
Countries visited ?CANCanadaUSAUnited States
50,9%
Rank quotient ?This runner's calculation uses 44 eligible race(s): Σ(rank − 1) = 3 663; Σ finishers = 7 195. 3 663 / 7 195 × 100 = 50.91%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed44
Km — ultra races3 133 km
> 100 km6
> 160 km3
> 24h3
Longest race160,9 km
15th Vermont 100 Mile Endurance Race — 19/7/2003

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road26,5%
Trail73,5%

Records

50 km4h02'21100 km13h29'3750 mi7h47'53100 mi22h17'3624 h146,75 km

HISTORY

44 race(s) · 1 split(s) nested
DateRacePerf.Rk
2019
08.12 50km USA11th Hunter S. Thompson Fear & Loathing 50 km 8:28:00 h25
2005
04.06 50km USA8th Best Run By A Dam Site 8:13:24 h28
07.05 50km USA22nd Quicksilver 50 km Endurance Run 7:56:11 h67
12.03 50km USA16th Way Too Cool 50K Endurance Run 7:44:46 h416
2004
03.04 50mi USA25th American River 50 Mile Endurance Run 10:06:58 h220
21.03 50km USA3rd Stevens Creek Striders 50K 7:11:33 h37
13.03 50km USA15th Way Too Cool 50K Endurance Run 6:05:10 h259
2003
31.12 24h USA21st Across the Years, 24h 135.500 km14
13.09 53.2mi USA17th Sierra Nevada Endurance 53 Mile Run 12:48:25 h17
06.09 50km USA3rd Mount Diablo 50K 7:35:45 h12
19.07 100mi USA15th Vermont 100 Mile Endurance Race 22:17:36 h75
28.06 100mi USA30th Western States 100 Mile Endurance Run 28:17:58 h197
14.06 50km USA6th Best Run By A Dam Site 5:34:45 h13
07.06 50km USA3rd Mount Diablo 50K 7:31:10 h12
18.05 50km USA16th Ohlone 50K Wilderness Run 8:31:34 h83
26.04 50mi USA12th Leona Divide 50 Mile Run 11:28:13 h97
08.03 50km USA14th Way Too Cool 50K Endurance Run 6:00:00 h276
2002
20.07 100mi USA14th Vermont 100 Mile Endurance Race 23:26:04 h90
2001
28.04 50mi USA12th Zane Grey Highline Trail 50 Mile 14:38:16 h50
21.04 50km CAN1st Toronto Ultra Race 50km 4:07:48 h5
07.04 50mi USA22nd American River 50 Mile Endurance Run 9:33:29 h156
17.03 50km USA15th Crown King Scramble 50K 6:51:33 h88
10.03 50km USA12th Way Too Cool 50K Endurance Run 5:48:21 h213
03.03 50km USA18th San Juan Trail 50 km 6:32:46 h42
2000
05.08 50km USA19th Skyline 50k Endurance Run 6:06:47 h112
03.06 50km USA3rd Best Run By A Dam Site 5:41:36 h11
06.05 100km USA5th Miwok 100k Trail race 13:29:37 h97
18.03 50km USA14th Crown King Scramble 50K 7:12:40 h112
11.03 50km USA11th Way Too Cool 50K Endurance Run 6:39:29 h331
1999
31.12 24h USA17th Across the Years, 24h 138.400 km9
11.12 50km USA3rd Hunter S. Thompson Fear & Loathing 50 km 8:35:40 h20
12.06 50km USA2nd Best Run By A Dam Site 6:42:51 h48
13.03 50km USA10th Way Too Cool 50K Endurance Run 5:38:05 h183
13.02 50km USA21st Jed Smith Ultra Classic - 50 km Race 4:37:26 h47
1998
13.06 50km USA1st Best Run By A Dam Site 4:48:41 h5
16.05 50km USA13th Silver State 50 km 7:15:32 h12
25.04 50km CAN3rd Ganaraska 50 km Trail Run 4:43:02 h5
07.02 50km USA20th Jed Smith Ultra Classic - 50 km Race 4:02:21 h14
1997
26.04 50mi USACalifornia 50 Mile Endurance Run 8:05:52 h20
05.04 50mi USA18th American River 50 Mile Endurance Run 8:21:34 h105
22.03 50km USA11th Crown King Scramble 50K 6:07:22 h47
1993
14.11 50mi USAGibson Ranch Last Chance 50 Mile 8:25:22 h21
07.11 50mi USA10th Nickel City Fifty Miler 7:47:53 h7
1991
14.09 24h CAN11th Self-Transcendence 24 Hour Race Ottawa 146.749 km9