Sean Crom
ID 96904
Born : 1956 Cat. M70 Ultrarunner since 1987 USA
39
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
3
Countries visited ?BELBelgiumESPSpainUSAUnited States
1,8%
Rank quotient ?This runner's calculation uses 41 eligible race(s): Σ(rank − 1) = 118; Σ finishers = 6 426. 118 / 6 426 × 100 = 1.84%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed41
Km — ultra races3 547 km
> 100 km7
> 160 km7
Longest race160,9 km
23rd Western States 100 Mile Endurance Run — 29/6/1996

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road22,9%
Trail77,1%

Wins & podiums (ultra)

🏆 Win25
🏆 Win M25
🏅 Top 332
🏅 Top 3 M33
Longest winning streak9
Current streak0

Records

50 km3h07'48100 km6h45'3550 mi4h33'23100 mi17h14'43

HISTORY

41 race(s)
DateRacePerf.Rk
1996
29.06 100mi USA23rd Western States 100 Mile Endurance Run 19:34:30 h4
18.05 50mi USA11th Silver State 50 Miles 8:26:20 h1 🏆
06.04 50mi USA17th American River 50 Mile Endurance Run 6:07:55 h1 🏆
03.02 50mi USA18th Jed Smith Ultra Classic - 50 Mile Race 5:33:31 h1 🏆
1994
17.09 50km USAPacific Crest Trail 50 km 4:39:17 h1 🏆
21.05 50km USA9th Silver State 50 km 4:59:17 h1 🏆
1993
27.11 28mi USA9th Quad Dipsea Trail Run 4:04:51 h1 🏆
23.10 52.4mi USA7th Sierra Nevada Endurance 52 Mile Run 7:25:08 h1 🏆
18.09 50mi USA1st PCT 50 Mile Trail Run 4:33:23 h1 🏆
18.09 50km USAPacific Crest Trail 50 km 4:33:23 h1 🏆
07.08 100km BELIAU 100km WC Torhout 7:15:35 h30
03.04 50mi USA14th American River 50 Mile Endurance Run 5:58:35 h1 🏆
06.02 50km USA15th Jed Smith Ultra Classic - 50 km Race 3:10:07 h2 🥈
1992
16.05 50km USA8th Silver State 50 km 4:39:52 h1 🏆
04.04 50mi USA13th American River 50 Mile Endurance Run 6:01:55 h1 🏆
14.03 50km USA3rd Way Too Cool 50K Endurance Run 3:41:51 h1 🏆
16.02 100km ESPIAU 100km WC Palamos (V. 100km de la Costa Brava) - open race 6:56:42 h18
16.02 100km ESPIAU 100km WC Palamos (V. 100km de la Costa Brava) 6:56:42 h17
1991
26.10 100km USA9th Edmund Fitzgerald 100K Road Race 6:50:35 h2 🥈
14.09 50km USAPacific Crest Trail 50 km 4:03:03 h1 🏆
29.06 100mi USA18th Western States 100 Mile Endurance Run 18:28:23 h8
06.04 50mi USA12th American River 50 Mile Endurance Run 5:57:18 h1 🏆
23.02 50mi USAHouston Ultramarathon 50mi 5:19:29 h1 🏆
1990
23.06 100mi USA17th Western States 100 Mile Endurance Run 17:57:51 h5
19.05 50mi USA7th Silver State 50 Miles 7:01:00 h1 🏆
05.05 40mi USA12th Strolling Jim 40 Mile 4:12:17 h1 🏆
07.04 50mi USA11th American River 50 Mile Endurance Run 5:43:59 h1 🏆
11.02 50km USA12th Jed Smith Ultra Classic - 50 km Race 3:07:48 h1 🏆
1989
28.10 100km USA7th Edmund Fitzgerald 100K Road Race 6:45:35 h2 🥈
16.09 50km USAPacific Crest Trail 50 km 4:18:39 h1 🏆
19.08 100mi USA7th Leadville Trail 100 Mile 18:56:40 h1 🏆
24.06 100mi USA16th Western States 100 Mile Endurance Run 17:14:43 h3 🥉
20.05 50mi USA6th Silver State 50 Miles 8:09:41 h1 🏆
13.05 50mi USA6th Quicksilver 50 Mile Endurance Run 6:53:27 h2 🥈
09.04 50mi USA10th American River 50 Mile Endurance Run 6:08:25 h1 🏆
1988
17.09 50km USAPacific Crest Trail 50 km 4:26:07 h1 🏆
25.06 100mi USA15th Western States 100 Mile Endurance Run 18:28:21 h8
1987
20.09 50km USAPacific Crest Trail 50 km 4:15:34 h2 🥈
27.06 100mi USA14th Western States 100 Mile Endurance Run 21:46:12 h24
12.04 50mi USA8th American River 50 Mile Endurance Run 6:05:29 h4
07.02 50km USA9th Jed Smith Ultra Classic - 50 km Race 5:50:45 h3 🥉