Ed Ayres
ID 52943
Born : 1941 Cat. M85 Ultrarunner since 1975 USA
50
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 ?GBRUnited KingdomITAItalyUSAUnited States
22,4%
Rank quotient ?This runner's calculation uses 51 eligible race(s): Σ(rank − 1) = 3 935; Σ finishers = 17 574. 3 935 / 17 574 × 100 = 22.39%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed51
Km — ultra races3 769 km
> 100 km3
> 160 km3
> 200 km1
Longest race217,3 km
4th Badwater Ultramarathon — 25/7/1990

Km per year (ultra races)

2022
2023
2024
50
1 race
2025
2026

Race types (share of distance)

Road19,5%
Trail80,5%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 33
🏅 Top 3 M2
Longest winning streak1
Current streak0

Records

50 km4h17'07100 km9h51'1950 mi5h46'51100 mi28h18'26

HISTORY

51 race(s)
DateRacePerf.Rk
2025
12.04 50km USA32nd Leona Divide 50 km Run 12:17:00 h115
2021
20.03 50km USA13th Labor of Love 50 km Race 7:52:31 h12
2012
17.11 50mi USA50th JFK 50 Mile 11:21:31 h738
2011
19.11 50mi USA49th JFK 50 Mile 10:41:04 h560
10.09 50km USA1st Kodiak 50 km Ultramarathon 7:24:55 h22
13.08 50km USA7th Angeles National Forest 50k Trail Race 9:15:48 h100
16.01 50km USA7th Calico Trail Run 50 km 5:52:11 h35
2010
20.11 50mi USA48th JFK 50 Mile 9:14:45 h247
07.08 50km USA6th Angeles National Forest 50k Trail Race 8:01:44 h58
2009
21.11 50mi USA47th JFK 50 Mile 8:43:43 h157
08.08 50km USA5th Angeles National Forest 50k Trail Race 7:27:55 h93
2008
07.12 50km USA22nd OTHTC High Desert 50K Ultra 4:59:20 h53
01.11 50km USA13th Helen Klein Ultra Classic 50km 5:10:31 h6
2007
17.11 50mi USA45th JFK 50 Mile 8:34:52 h158
26.08 31.5mi USA10th Tamalpa Headlands 50K 6:34:18 h80
2006
03.12 50km USA20th OTHTC High Desert 50K Ultra 5:12:48 h58
18.11 50mi USA44th JFK 50 Mile 8:54:01 h172
12.08 50km USA2nd Angeles National Forest 50k Trail Race 6:14:36 h40
03.06 50km USA17th Shadow of the Giants 50K 5:53:50 h10
2005
04.12 50km USA19th OTHTC High Desert 50K Ultra 4:37:46 h31
19.11 50mi USA43rd JFK 50 Mile 8:47:49 h125
13.08 50km USA1st Angeles National Forest 50k Trail Race 6:47:26 h26
2004
20.11 50mi USA42nd JFK 50 Mile 8:29:37 h90
05.09 100km USA2nd Great Eastern Endurance Run 100 km 14:11:57 h15
2003
22.11 50mi USA41st JFK 50 Mile 8:44:58 h108
23.08 31.5mi USA6th Tamalpa Headlands 50K 5:56:41 h92
17.05 50km USA5th Capon Valley 50K Run 4:38:45 h27
11.01 50km USA4th Salem Lakeshore Frosty Fifty 4:19:58 h15
2002
23.11 50mi USA40th JFK 50 Mile 8:48:25 h117
23.03 50km USA9th GNC 50 km Run Challenge 4:17:07 h27
2001
17.11 50mi USA39th JFK 50 Mile 7:55:46 h49
11.08 50km USA6th Catoctin 50k Trail Run 6:27:18 h12
1999
20.11 50mi USA37th JFK 50 Mile 7:33:39 h29
10.07 50km USA5th Rattlesnake Trail 50K Ultrarun 4:45:59 h9
16.01 100km USA1st Withlacoochee Rails to Trails 100 km Run 11:13:29 h13
1998
21.11 50mi USA36th JFK 50 Mile 7:51:27 h57
1997
22.11 50mi USA35th JFK 50 Mile 8:22:58 h72
1990
29.09 100mi USA5th Angeles Crest 100 Mile 29:48:32 h46
25.07 135mi USA4th Badwater Ultramarathon 2d 00:19:15 h8
21.01 40.5mi USASpunky Canyon Ultra 6:16:23 h24
1989
27.05 100km ITA17^ 100 km del Passatore, Firenze-Faenza 9:51:19 h65
02.04 40.5mi USASpunky Canyon Ultra 6:09:55 h15
12.02 50mi USA11th Pacific Crest Trail Fifty 8:42:48 h17
07.01 50mi USA9th Avalon Benefit 50-Mile Run 8:10:43 h20
1987
27.06 100mi USA14th Western States 100 Mile Endurance Run 28:18:26 h130
07.03 50mi USA3rd Old Pueblo 50 Mile Endurance Run 7:52:55 h7
1978
18.11 50mi USA16th JFK 50 Mile 6:28:04 h3 🥉
1977
19.11 50mi USA15th JFK 50 Mile 6:04:01 h1 🏆
1976
06.11 50mi USA6th Metropolitan 50 Mile Race 5:46:51 h3 🥉
21.08 36mi GBRTwo Bridges race 4:02:51 h12
1975
15.11 50mi USA13th JFK 50 Mile 7:14:49 h7