Thomas Curtis
ID 57751
Born : 1950 Cat. M75 Ultrarunner since 1980 USA
27
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
30
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
70,0%
Rank quotient ?This runner's calculation uses 27 eligible race(s): Σ(rank − 1) = 1 986; Σ finishers = 2 838. 1 986 / 2 838 × 100 = 69.98%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed27
Km — ultra races1 438 km
> 24h1
Longest race81,7 km
1st Lone Ranger 24 hr Ultra-Marathon — 18/7/2009

Km per year (ultra races)

50
1 race
2022
101
2 races
2023
96
2 races
2024
2025
199
4 races
2026

Race types (share of distance)

Road28,5%
Trail71,5%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0

Records

50 km4h55'0050 mi8h35'0112 h52,23 km24 h81,65 km

HISTORY

27 race(s)
DateRacePerf.Rk
2026
01.08 50km USA8th Badger Trail Races by Ten Junk Miles Racing 7:53:24 h58
13.06 12h USA6th Sri Chinmoy 12 Hour Race Rockland Lake 52.226 km41
18.04 12h USA11th Fondren Urban Ultra 49.889 km66
21.02 12h USA3rd Holly Springs Race Against the Sun - 12h Day Run 46.928 km30
2024
04.05 12h USA6th White Lake Ultras 12 Hour Race 46.027 km51
13.04 50km USA34th Ouachita Trail 50 km 10:52:46 h82
2023
12.08 12h USA3rd 12 Hours On Lover's Lane 50.694 km17
15.04 50km USA10th Runamuck 50K 7:41:27 h77
2022
24.06 50km USA12th Black Hills 50 km Run 9:44:38 h102
2021
16.10 50km USA8th Runamuck 50K 6:28:51 h37
14.08 50km USA7th Habanero Hundred 50 km 6:51:27 h5
27.03 50km USA8th Behind the Rocks 50km Race 9:04:16 h200
2020
25.01 50km USA3rd Arches Ultra 50 km Race 7:14:25 h181
2018
07.04 50km USA5th Runamuck 50K 7:14:14 h94
2017
01.10 50km USA12th Blues Cruise 50K Ultra Trail 7:12:00 h279
08.04 50km USA4th Runamuck 50K 6:23:36 h86
2011
22.05 50km USA1st Dirty German Endurance Fest 50 km 5:55:12 h51
2010
26.09 50km USA17th Vermont 50 km Ultra Run 6:50:54 h120
2009
18.07 24h USA1st Lone Ranger 24 hr Ultra-Marathon 81.651 km108
20.06 50km USA2nd Booty Rumble 5:17:00 h2 🥈
2007
07.10 50km USA2nd Blues Cruise 50K Ultra Trail 6:13:00 h51
29.09 50km USA2nd Russell B. Cheney 4:55:00 h6
2004
27.03 50km USA16th The HAT Run 50K 5:54:28 h154
2003
22.03 50km USA1st Rucky Chucky Roundabout 50K 7:06:53 h56
2002
06.04 50km USA3rd Chicago Lakefront Spring 50km Race 4:58:30 h38
1981
01.08 50mi USADC Road Runners 50 Mile 8:35:01 h12
1980
02.08 50mi USADC Road Runners 50 Mile 9:24:37 h9