Thomas Lyons
Born : 1965 Cat. M60 Ultrarunner since 1992 USA
32
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
6,0%
Rank quotient ?This runner's calculation uses 32 eligible race(s): Σ(rank − 1) = 421; Σ finishers = 7 071. 421 / 7 071 × 100 = 5.95%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed32
Km — ultra races2 506 km
> 100 km5
> 160 km5
Longest race160,9 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road4,0%
Trail96,0%

Wins & podiums (ultra)

🏆 Win4
🏆 Win M4
🏅 Top 310
🏅 Top 3 M11
Longest winning streak2
Current streak0

HISTORY

32 race(s)
DateRacePerf.Rk
2005
02.04 50mi USA26th American River 50 Mile Endurance Run 6:53:44 h9
2004
09.10 50mi USA22nd Dick Collins Firetrails 50 Mile 7:17:21 h1 🏆
14.08 50mi USA2nd Diablo Endurance Run 9:14:34 h1 🏆
01.05 50mi USA5th Collegiate Peaks 50 Miles 8:49:35 h7
2003
05.04 50mi USA24th American River 50 Mile Endurance Run 6:28:34 h2 🥈
25.01 50km USA9th Mountain Mist 50k 4:17:58 h5
2002
29.06 100mi USA29th Western States 100 Mile Endurance Run 19:18:53 h12
04.05 100km USA7th Miwok 100k Trail race 9:46:51 h10
09.03 50km USA13th Way Too Cool 50K Endurance Run 3:58:01 h12
2001
13.10 50mi USA19th Dick Collins Firetrails 50 Mile 7:58:04 h5
25.08 31.5mi USA4th Tamalpa Headlands 50K 4:27:16 h6
1999
11.09 50km USA12th McKenzie River 50 km Trail Run 4:04:02 h3 🥉
07.08 50km USA18th Skyline 50k Endurance Run 4:37:30 h19
26.06 100mi USA26th Western States 100 Mile Endurance Run 21:09:01 h17
10.04 50mi USA20th American River 50 Mile Endurance Run 6:42:51 h9
13.02 50km USA21st Jed Smith Ultra Classic - 50 km Race 3:51:07 h17
1998
29.08 31.5mi USA1st Tamalpa Headlands 50K 4:14:40 h2 🥈
01.08 50km USA17th Skyline 50k Endurance Run 3:55:53 h1 🏆
13.06 50km USA1st Best Run By A Dam Site 3:54:56 h1 🏆
04.04 50mi USA19th American River 50 Mile Endurance Run 6:42:58 h13
1997
19.07 100mi USA9th Vermont 100 Mile Endurance Race 19:08:00 h21
10.05 50mi USA14th Quicksilver 50 Mile Endurance Run 7:42:30 h2 🥈
05.04 50mi USA18th American River 50 Mile Endurance Run 6:54:18 h23
1996
12.12 50km USA7th Sunmart Texas Trails 50 km 3:48:37 h6
29.06 100mi USA23rd Western States 100 Mile Endurance Run 22:56:14 h37
1995
24.06 100mi USA22nd Western States 100 Mile Endurance Run 31:23:52 h179
11.03 50km USA6th Way Too Cool 50K Endurance Run 4:05:06 h5
1994
26.11 28mi USA10th Quad Dipsea Trail Run 4:19:07 h2 🥈
07.08 50km USA13th Skyline 50k Endurance Run 4:09:05 h3 🥉
1993
06.02 50km USA15th Jed Smith Ultra Classic - 50 km Race 3:33:20 h5
1992
19.09 50km USAPacific Crest Trail 50 km 5:28:12 h8
02.08 50km USA11th Skyline 50k Endurance Run 4:22:25 h10