Lawrence Visak
ID 68544
Born : 1956 Cat. M70 Ultrarunner since 1998 USA
48
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
1
Countries visited ?USAUnited States
28,7%
Rank quotient ?This runner's calculation uses 51 eligible race(s): Σ(rank − 1) = 2 414; Σ finishers = 8 399. 2 414 / 8 399 × 100 = 28.74%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed51
Km — ultra races3 489 km
> 100 km4
> 160 km4
Longest race160,9 km
26th Wasatch Front 100 Mile — 10/9/2005

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M1
🏅 Top 32
🏅 Top 3 M4
Longest winning streak0
Current streak0

Records

50 km4h38'55100 km11h39'5150 mi8h18'34100 mi23h02'53

HISTORY

51 race(s)
DateRacePerf.Rk
2006
04.03 50mi USA16th Old Pueblo 50 Mile Endurance Run 11:35:32 h52
04.02 50km USA5th Woodside Trail Run 50K 6:13:21 h39
2005
17.12 50km USAMuir Beach Trail Run 6:00:18 h4
03.12 50km USA4th Woodside Trail Run 50K 6:13:47 h26
26.11 28mi USA21st Quad Dipsea Trail Run 5:37:58 h51
05.11 50km USA1st Rodeo Beach 50km 6:26:15 h7
10.09 100mi USA26th Wasatch Front 100 Mile 31:44:21 h76
30.07 50km USA2nd Pacifica 50 km Trail Run 6:12:48 h4
18.06 50km USA3rd Skyline Ridge Trail Run 5:46:15 h10
04.06 50km USA5th Mount Diablo 50K 7:36:15 h14
14.05 50km USA3rd Carmel Valley 50K 6:38:35 h6
30.04 100km USA10th Miwok 100k Trail race 12:59:09 h123
16.04 50mi USA3rd Diablo Endurance Run 11:42:15 h15
26.03 50km USA4th Pirates Cove Trail Run 6:11:41 h14
20.03 50km USA4th Stevens Creek Striders 50K 6:47:22 h37
12.03 50km USA16th Way Too Cool 50K Endurance Run 5:39:13 h154
2004
21.08 31.5mi USA7th Tamalpa Headlands 50K 5:39:27 h41
14.08 50mi USA2nd Diablo Endurance Run 10:43:45 h6
01.08 50km USA23rd Skyline 50k Endurance Run 6:01:09 h81
26.06 100mi USA31th Western States 100 Mile Endurance Run 23:41:23 h78
05.06 50km USA4th Mount Diablo 50K 6:36:20 h9
15.05 50km USA19th Silver State 50 km 7:38:04 h25
08.05 50mi USA21st Quicksilver 50 Mile Endurance Run 8:59:47 h16
01.05 100km USA9th Miwok 100k Trail race 11:39:51 h47
03.04 50mi USA25th American River 50 Mile Endurance Run 8:18:34 h46
21.03 50km USA3rd Stevens Creek Striders 50K 5:43:22 h15
13.03 50km USA15th Way Too Cool 50K Endurance Run 4:59:46 h94
07.02 50km USA3rd Woodside Trail Run 50K 5:41:46 h21
10.01 53km USA25th Epiphany Ultras - The Popular But Wussy Metric 5:31:00 h5
2003
20.12 50km USAMuir Beach Trail Run 6:28:45 h11
29.11 28mi USA19th Quad Dipsea Trail Run 5:06:00 h29
06.09 50km USA3rd Mount Diablo 50K 6:06:08 h4
19.07 100mi USA15th Vermont 100 Mile Endurance Race 23:02:53 h107
07.06 50km USA3rd Mount Diablo 50K 6:19:25 h2 🥈
03.05 100km USA8th Miwok 100k Trail race 13:14:06 h97
12.04 50mi USA1st Diablo Endurance Run 14:23:52 h2 🥈
05.04 50mi USA24th American River 50 Mile Endurance Run 8:54:22 h136
08.03 50km USA14th Way Too Cool 50K Endurance Run 4:38:55 h62
11.01 52km USAEpiphany Ultras - The Popular But Wussy Metric 6:11:00 h13
2002
30.11 28mi USA18th Quad Dipsea Trail Run 5:06:37 h28
20.07 50km USA2nd Tahoe Rim Trail 50km Endurance Runs 7:45:06 h85
29.06 100mi USA29th Western States 100 Mile Endurance Run 24:04:43 h91
18.05 50km USA17th Silver State 50 km 7:10:08 h20
04.05 100km USA7th Miwok 100k Trail race 12:02:28 h65
06.04 50mi USA23rd American River 50 Mile Endurance Run 8:51:33 h107
09.03 50km USA13th Way Too Cool 50K Endurance Run 4:53:44 h87
2001
05.08 50km USA20th Skyline 50k Endurance Run 4:58:33 h37
07.04 50mi USA22nd American River 50 Mile Endurance Run 9:18:01 h128
10.03 50km USA12th Way Too Cool 50K Endurance Run 5:17:55 h131
2000
05.08 50km USA19th Skyline 50k Endurance Run 5:07:50 h41
1998
10.10 50mi USA16th Dick Collins Firetrails 50 Mile 10:57:06 h66