Larry Grossman
ID 184668
Born : 1956 Cat. M70 Ultrarunner since 1982 USA
38
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
43
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
53,9%
Rank quotient ?This runner's calculation uses 38 eligible race(s): Σ(rank − 1) = 2 297; Σ finishers = 4 261. 2 297 / 4 261 × 100 = 53.91%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed38
Km — ultra races2 741 km
> 100 km2
> 160 km2
Longest race160,9 km
1st Vermont 100 Mile Endurance Race — 29/7/1989

Km per year (ultra races)

50
1 race
2022
2023
2024
50
1 race
2025
2026

Race types (share of distance)

Road12,3%
Trail87,7%

Records

50 km4h16'06100 km10h04'1950 mi7h56'03100 mi23h45'12

HISTORY

38 race(s)
DateRacePerf.Rk
2025
12.04 50km USA3rd James River Trail Runs 8:42:33 h42
2022
10.12 50km USA4th Freight Train 50km Trail Run 7:41:07 h87
2019
14.12 50km USA1st Freight Train 50km Trail Run 7:34:31 h58
18.08 49km USA6th Anchorage RunFest - 49K Ultra 6:42:04 h80
29.06 50km USA3rd Night Train 50k 8:11:17 h122
2017
07.10 50km USA2nd High Bridge Ultra 50K 7:29:26 h39
2016
18.06 50km USA5th Eastern Divide Ultra 7:53:29 h122
2015
20.06 50km USA4th Eastern Divide Ultra 7:53:29 h122
2011
26.03 50km USA7th Bel Monte 50 km Endurance Run 8:31:05 h64
1999
18.09 36mi USA22nd Haleakala Run to the Sun 8:55:14 h65
13.02 50km USA4th Holiday Lake 50K++ 5:32:26 h31
1998
14.02 50km USA3rd Holiday Lake 50K++ 6:11:17 h41
1993
11.12 50mi USA11th Tallahassee Ultra Distance Classic 50M 8:54:39 h7
20.11 50mi USA31st JFK 50 Mile 9:54:53 h145
16.10 45mi USA4th Andiamo 45 Mile Run 8:14:00 h7
1991
23.11 50mi USA29th JFK 50 Mile 8:51:43 h90
26.10 50mi USA9th Mountain Masochist 50 Mile Trail Run 10:56:56 h114
12.10 50mi USA10th Le Grizz 50 Mile Ultramarathon 7:56:03 h26
09.02 50km USA13th Jed Smith Ultra Classic - 50 km Race 5:13:14 h53
1990
17.11 50mi USA28th JFK 50 Mile 10:07:39 h174
27.10 50mi USA8th Mountain Masochist 50 Mile Trail Run 10:47:22 h84
1989
29.07 100mi USA1st Vermont 100 Mile Endurance Race 23:45:12 h63
06.05 40mi USA11th Strolling Jim 40 Mile 6:02:45 h31
25.03 50km USA1st The HAT Run 50K 5:49:25 h12
1988
22.10 50mi USA6th Mountain Masochist 50 Mile Trail Run 9:43:53 h43
10.09 50mi USA5th Groundhog Fall 50 Mile Endurance Run 8:39:10 h31
1987
21.11 50mi USA25th JFK 50 Mile 9:00:27 h56
24.10 50mi USA5th Mountain Masochist 50 Mile Trail Run 9:46:49 h22
11.10 100km USADel Passatore 100 km Run/Walk 10:04:19 h8
12.09 50mi USA4th Groundhog Fall 50 Mile Endurance Run 8:41:39 h28
1986
25.10 50mi USA4th Mountain Masochist 50 Mile Trail Run 10:13:08 h34
14.06 100mi USA8th Old Dominion 100 Mile Endurance Run 28:25:00 h25
1985
23.11 50mi USA23rd JFK 50 Mile 9:46:44 h110
26.10 50mi USA3rd Mountain Masochist 50 Mile Trail Run 10:48:52 h37
1984
27.10 50mi USA2nd Mountain Masochist 50 Mile Trail Run 11:39:09 h26
23.09 50km USANational TAC 50 km Championchip 4:16:06 h15
1983
19.11 50mi USA21st JFK 50 Mile 9:53:43 h144
1982
10.10 36mi USADannon Two Bridges 5:05:58 h77