Gregory Crowther
Born : 1973 Cat. M50 Ultrarunner since 2004 USA
24
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
4
Countries visited ?ITAItalyJPNJapanNEDNetherlandsUSAUnited States
3,6%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 172; Σ finishers = 4 732. 172 / 4 732 × 100 = 3.63%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races2 055 km
> 100 km1
> 160 km1
Longest race160,9 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road41,4%
Trail58,6%

Wins & podiums (ultra)

🏆 Win11
🏆 Win M11
🏅 Top 319
🏅 Top 3 M19
Longest winning streak5
Current streak0

HISTORY

28 race(s)
DateRacePerf.Rk
2010
31.07 50mi USA18th White River 50 Mile Trail Run 6:58:10 h3 🥉
10.04 100km USA4th Mad City 100K Road Race 7:15:11 h2 🥈
06.02 100mi USA18th Rocky Raccoon 100 Mile Trail Run 14:58:32 h1 🏆
2009
21.11 50mi USA47th JFK 50 Mile 5:50:13 h1 🏆
25.07 50mi USA17th White River 50 Mile Trail Run 7:01:59 h3 🥉
06.06 50mi USA2nd Endurance Challenge - Washington Trail 50 Miles 7:52:28 h3 🥉
21.03 50km USA17th Chuckanut 50K 4:01:05 h2 🥈
2008
08.11 100km ITAIAU 100 km WC Tuscania (100 km degli Etruschi) 9:04:54 h110
26.07 50mi USA16th White River 50 Mile Trail Run 7:07:39 h4
12.01 50km USA13th Bridle Trails Winter Running Festival 3:44:18 h1 🏆
2007
17.11 50mi USA45th JFK 50 Mile 6:41:09 h10
08.09 100km NEDIAU 100km WC (RUN Winschoten 100 km) 6:52:52 h11
08.09 50km NED32. RUN Winschoten 100 km - 50km Split 3:23:40 h26
08.09 100km NED32. RUN Winschoten 100 km 6:52:52 h11
05.05 100km USA12th Miwok 100k Trail race 8:31:31 h2 🥈
07.04 50km USA1st Mad City 100k Road Race - 50km Split 3:22:28 h1 🏆
07.04 100km USA1st Mad City 100K Road Race 7:14:31 h1 🏆
04.03 50km USA5th Caumsett Park 50K Lloyd Neck 3:04:35 h1 🏆
13.01 50km USA12th Bridle Trails Winter Running Festival 3:19:40 h1 🏆
2006
09.12 50mi USA17th Sunmart Texas Trails 50 Mile 5:37:39 h1 🏆
25.02 100km USA5th Houston Ultra Event Weekend 100km 6:59:40 h1 🏆
2005
30.07 50mi USA13th White River 50 Mile Trail Run 7:34:43 h3 🥉
26.06 100km JPNIAU 100km WC Yubetsu (20. Lake Saroma 100 km Ultramarathon) 7:20:51 h20
26.06 50km JPNIAU 100km WC Yubetsu (20. Lake Saroma 100 km Ultramarathon) - 50 km Split 3:28:15 h23
17.04 50km USA22nd Mt. Si 50 km Ultra Run 3:19:12 h1 🏆
19.02 100km USA1st 100km Silver Comet Ultra Run 7:27:37 h1 🏆
08.01 50km USA10th Bridle Trails Winter Running Festival 3:40:24 h1 🏆
2004
18.09 50km USA10th Cle Elum Ridge 50k 4:53:49 h2 🥈