Mary Ann Zemla
Born : 1956 Cat. W70 Ultrarunner since 2000 USA
34
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
1
Countries visited ?USAUnited States
78,2%
Rank quotient ?This runner's calculation uses 34 eligible race(s): Σ(rank − 1) = 4 273; Σ finishers = 5 465. 4 273 / 5 465 × 100 = 78.19%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed34
Km — ultra races2 146 km
Longest race100,0 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road34,9%
Trail65,1%

HISTORY

34 race(s)
DateRacePerf.Rk
2019
11.05 50km USA38th Ice Age Trail 50 km Run 7:37:52 h202
2018
12.05 50mi USA37th Ice Age Trail 50 Mile Run 11:53:50 h314
2017
28.10 50km USA18th Chicago Lakefront Fall 50km Race 5:55:55 h73
2015
09.05 50mi USA34th Ice Age Trail 50 Mile Run 11:47:44 h275
21.03 50km USA16th Chicago Lakefront Spring 50km Race 5:34:00 h90
2014
05.04 50km USA15th Chicago Lakefront Spring 50km Race 5:49:12 h92
2013
23.03 50km USA14th Chicago Lakefront Spring 50km Race 5:49:03 h127
2012
12.05 50mi USA31st Ice Age Trail 50 Mile Run 11:51:22 h281
31.03 50km USA13th Chicago Lakefront Spring 50km Race 5:33:11 h104
2011
29.10 50km USA12th Chicago Lakefront Fall 50km Race 5:42:31 h108
14.05 50mi USA30th Ice Age Trail 50 Mile Run 11:47:44 h218
2008
01.11 50km USA9th Chicago Lakefront Fall 50km Race 6:02:28 h102
10.05 50mi USA27th Ice Age Trail 50 Mile Run 11:19:56 h176
05.04 50km USA9th Chicago Lakefront Spring 50km Race 5:17:05 h59
2007
08.12 50mi USA1st IAU Trail WC Huntsville (18th Sunmart Texas Trail) 11:43:45 h159
27.10 50km USA8th Chicago Lakefront Fall 50km Race 5:52:15 h95
12.05 50mi USA26th Ice Age Trail 50 Mile Run 11:27:47 h212
31.03 50km USA8th Chicago Lakefront Spring 50km Race 5:19:29 h61
2006
11.11 50km USA7th Chicago Lakefront Fall 50km Race 5:29:52 h69
08.10 50mi USA20th Glacial Trail 50 Mile Race 11:52:17 h27
23.09 50km USA3rd Rock Cut Hobo 50K 6:45:01 h46
03.06 100km USA11th Kettle Moraine 100 km Endurance Run 16:14:41 h39
13.05 50mi USA25th Ice Age Trail 50 Mile Run 11:46:22 h227
2005
03.12 50mi USA16th Sunmart Texas Trails 50 Mile 11:35:47 h171
23.10 50km USA2nd DeTonty Iron Fist 50K Trail Run 6:42:21 h30
14.05 50mi USA24th Ice Age Trail 50 Mile Run 10:57:05 h167
02.04 50km USA6th Chicago Lakefront Spring 50km Race 5:42:24 h71
2004
04.12 50mi USA15th Sunmart Texas Trails 50 Mile 11:10:58 h144
08.05 50mi USA23th Ice Age Trail 50 Mile Run 11:36:43 h225
2002
02.11 50km USA10th OPSF Ultra 50 km Race 8:48:11 h32
06.04 50km USA3rd Chicago Lakefront Spring 50km Race 5:53:43 h89
2001
03.11 50km USA9th OPSF Ultra 50 km Race 8:53:00 h42
07.04 50km USA2nd Chicago Lakefront Spring 50km Race 5:38:26 h65
2000
04.11 50km USA1st Chicago Lakefront Fall 50km Race 6:12:06 h115