John Wallis
Born : 1937 Cat. M85 Ultrarunner since 1979 USA
41
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
107
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
2
Countries visited ?GBRUnited KingdomUSAUnited States
51,9%
Rank quotient ?This runner's calculation uses 44 eligible race(s): Σ(rank − 1) = 1 303; Σ finishers = 2 510. 1 303 / 2 510 × 100 = 51.91%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed107
Km — ultra races14 579 km
> 100 km21
> 160 km19
> 200 km11
> 24h13
> 48h9
Longest race4 724,7 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road50,9%
Trail10,0%
Stage32,4%
?6,7%

Wins & podiums (ultra)

🏆 Win3
🏆 Win M3
🏅 Top 34
🏅 Top 3 M4
Longest winning streak1
Current streak0

HISTORY

44 race(s) · 14 split(s) nested
DateRacePerf.Rk
2005
12.03 50mi USA25th Carl Touchstone Memorial Mississippi Trail 50 Mile 11:56:07 h49
2001
22.09 50mi USA2nd North Country Trail Run 50 Mile 12:50:57 h44
05.05 40mi USA23rd Strolling Jim 40 Mile 9:02:44 h42
2000
01.04 50km USA1st Chicago Lakefront Spring 50km Race 5:11:42 h60
1999
04.06 100mi USA4th Kettle Moraine 100 Mile Endurance Run 27:36:23 h54
01.05 40mi USA21st Strolling Jim 40 Mile 7:32:17 h25
06.03 50mi USA19th Carl Touchstone Memorial Mississippi Trail 50 Mile 11:24:12 h31
1996
14.09 700mi USA10th Sri Chinmoy Ultra Trio 700 Mile Race 10d 07:25:54 h1 🏆
1993
15.05 50mi USA12th Ice Age Trail 50 Mile Run 10:46:20 h226
1992
20.06 2935.8mi/64stages USATrans America Footrace I 27d 05:14:37 h11
16.05 50mi USA11th Ice Age Trail 50 Mile Run 10:26:53 h151
1989
21.09 1000mi USA3rd Sri Chinmoy Ultra Trio 1000 Mile Race 14d 09:45:04 h1 🏆
1988
02.01 48h USA1st Show-Me State Indoor 48h 206.559 km4
1986
22.06 6d USA7th Edward Payson Weston Six Day Track Race 484.412 km12
1985
30.04 6d USA4th The New Astley Belt Six Day Race 484.412 km16
11.01 48h USAHaverford Indoor 48 Hour 336.864 km4
1984
14.10 50mi USAAMJA 50 Mile Ultramarathon 7:43:27 h65
14.10 100km USAAMJA 100 km Ultramarathon 9:53:10 h13
19.08 6d GBR4th Charles Rowell Six-Day Track Race 719.233 km5
20.05 50mi USA3rd Ice Age Trail 50 Mile Run 8:41:17 h28
14.04 24h USACornbelt Running Club 24 Hour Run 186.922 km5
13.01 48h USAHaverford Indoor 48 Hour 161.088 km26
1983
23.10 50mi USARiverside Park 50 Mile 8:01:53 h25
20.08 24h USAMonroe Milers 24 Hour Run 174.613 km1 🏆
19.06 6d USA4th Edward Payson Weston Six Day Track Race 598.273 km5
22.05 50mi USA2nd Ice Age Trail 50 Mile Run 9:07:51 h35
09.04 24h USACornbelt Running Club 24 Hour Run 168.578 km7
14.01 48h USAHaverford Indoor 48 Hour 278.118 km7
1982
03.10 50mi USAAMJA 50 Mile Ultramarathon 7:55:58 h106
26.07 6d USA1st The New Astley Belt Six Day Race 624.425 km3 🥉
03.04 24h USACornbelt Running Club 24 Hour Run 152.485 km6
1981
27.12 50km USA3rd Running Central Ultra Challenge 50 km 4:44:55 h25
28.11 60km USAMarathon Plus 60 km Run 5:06:10 h21
28.11 50mi USAMarathon Plus 50 Mile Run 7:33:07 h21
28.11 100km USAMarathon Plus 100 km Run 9:55:50 h11
25.10 50mi USARiverside Park 50 Mile 7:43:03 h9
04.10 50mi USAAMJA 50 Mile Ultramarathon 7:48:55 h85
06.09 76mi USAIdiots' Run 17:27:58 h5
01.08 100mi USADC Road Runners 100 Mile 19:28:46 h5
06.06 100mi USA3rd Old Dominion 100 Mile Endurance Run 23:45:00 h11
28.03 50mi USA2nd Carl Touchstone Memorial Mississippi Trail 50 Mile 8:49:32 h16
1980
27.09 50mi USA1st Buckeye Trail 50mi 8:19:31 h16
14.06 100mi USA2nd Old Dominion 100 Mile Endurance Run 27:02:33 h18
1979
23.09 50mi USAMichigan 50 miles 8:19:40 h36