Mary Croft
ID 120932
Born : 1945 Cat. W80 Ultrarunner since 1990 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 ?MEXMexicoRSASouth AfricaUSAUnited States
59,1%
Rank quotient ?This runner's calculation uses 65 eligible race(s): Σ(rank − 1) = 17 066; Σ finishers = 28 862. 17 066 / 28 862 × 100 = 59.13%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed65
Km — ultra races4 626 km
> 100 km7
> 160 km4
> 24h5
> 48h1
Longest race161,9 km
35th Across the Years, 48h — 28/12/2019

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road20,1%
Trail79,9%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F4
Longest winning streak0
Current streak0

Records

50 km5h38'16100 km16h41'0150 mi9h53'17100 mi27h43'3012 h77,57 km24 h156,59 km48 h161,88 km

HISTORY

65 race(s)
DateRacePerf.Rk
2019
28.12 48h USA35th Across the Years, 48h 161.876 km55
2018
27.01 50km USA2nd AZT Oracle Rumble 50 km 10:00:40 h68
2017
27.12 24h USA33rd Across the Years, 24h 92.922 km70
25.03 50km USA4th Monument Valley 50 km Race 10:03:31 h226
2016
02.04 50km USA24th Crown King Scramble 50K 9:30:05 h182
2015
14.11 50km USA2nd Colossal Vail 50 km 9:25:52 h55
06.06 12h USA26th FANS 12 Hour Run 77.570 km13
2014
19.04 50km USA10th Bel Monte 50 km Endurance Run 9:35:16 h38
2013
29.12 24h USA29th Across the Years, 24h 123.332 km29
26.10 50km USA12th ORRC Autumn Leaves 50 km Run 5:50:13 h34
03.03 50mi MEX7th Ultra Caballo Blanco Copper Canyon Ultra 13:33:12 h219
02.02 50km USA3rd San Tan Scramble 50K 7:31:13 h42
2012
27.10 100mi USA10th Javelina Jundred 100 Mile Endurance Run 27:56:13 h113
15.09 50km USA5th Endurance Challenge - Wisconsin Trail 50 km 6:57:52 h179
07.07 50km USA19th Afton Trail Run 50K 7:26:43 h171
11.02 50km USA14th Pemberton Trail 50 km 6:06:47 h94
2011
15.10 50km USA27th Palo Duro 50 km Trail Run 7:31:03 h74
09.07 50km USA8th Dances with Dirt - Devil's Lake 50K Ultra 8:19:27 h113
04.06 12h USA22nd FANS 12 Hour Run 57.228 km30
12.02 50km USA13th Pemberton Trail 50 km 6:33:03 h62
2010
28.08 100mi USA6th Lean Horse Ultra-Marathon 100 Mile 27:43:30 h65
03.07 50km USA17th Afton Trail Run 50K 7:19:36 h97
2009
23.08 50mi USA1st Marquette Trail 50 Mile 12:37:39 h16
11.07 50km USA3rd Psycho Psummer Run Toto Run 50K 8:44:03 h57
17.01 38.5mi USA4th The Ghost Town 38.5 9:09:05 h53
2008
09.02 50km USA10th Pemberton Trail 50 km 6:27:02 h79
20.01 38.5mi USA3rd The Ghost Town 38.5 9:45:03 h32
2007
08.12 50km USA18th Sunmart Texas Trails 50 km 6:40:24 h197
28.10 100km USA5th Javelina Jundred 100 km Endurance Run 16:41:01 h15
07.07 50km USA14th Afton Trail Run 50K 7:46:35 h92
2006
11.02 50km USA8th Pemberton Trail 50 km 6:05:55 h70
2005
02.07 50km USA12th Afton Trail Run 50K 7:01:19 h64
05.03 50mi USA15th Old Pueblo 50 Mile Endurance Run 13:24:24 h78
2004
06.03 50mi USA14th Old Pueblo 50 Mile Endurance Run 13:04:19 h62
07.02 50km USA6th Pemberton Trail 50 km 5:38:16 h42
2003
21.09 50km USA6th Pisgah Mountain Trail Race 8:07:40 h39
20.06 50km USA12th Bighorn Mountain Wild & Scenic 50km Trail Run 9:25:40 h90
18.03 50km USA17th Crown King Scramble 50K 7:23:33 h116
11.02 50km USA8th Holiday Lake 50K++ 7:01:10 h129
2002
13.07 50km USAElkhorn Mountain Endurance Run 50 km 7:19:43 h33
02.03 50mi USA12th Old Pueblo 50 Mile Endurance Run 14:14:28 h50
16.02 50km USA10th Sylamore Trail 50k Run 7:31:42 h69
2001
03.03 50km USA21th Carl Touchstone Memorial Mississippi Trail 50 km 7:20:31 h32
17.02 33mi USA2nd Oak Mountain 50km Race 7:58:03 h32
2000
16.06 87km road race RSA75th Comrades Marathon - Up Run 10:48:19 h11184
01.04 50mi USA21st American River 50 Mile Endurance Run 10:42:16 h243
1999
11.09 50km USA4th Dances with Dirt - Hell 50K Ultra 6:54:34 h44
1998
07.11 50km USA6th OPSF Ultra 50 km Race 6:42:21 h34
27.06 24h USA9th FANS 24 Hour Runs 121.988 km42
21.03 50km USA12th Crown King Scramble 50K 7:45:54 h188
1997
22.11 50mi USA35th JFK 50 Mile 10:43:30 h411
26.07 50mi USA16th Minnesota Voyageur Trail 50 Mile Ultra 12:43:49 h86
1996
12.12 50km USA7th Sunmart Texas Trails 50 km 5:54:19 h221
1995
29.07 50mi USA14th Minnesota Voyageur Trail 50 Mile Ultra 11:46:14 h57
13.05 50mi USA14th Ice Age Trail 50 Mile Run 10:49:21 h209
19.03 50km USA12th San Juan Trail 50 km 7:22:08 h70
1994
02.04 50mi USA15th American River 50 Mile Endurance Run 9:53:17 h296
1993
31.07 50mi USA12th Minnesota Voyageur Trail 50 Mile Ultra 10:58:02 h56
26.06 24h USA4th FANS 24 Hour Runs 156.589 km16
06.02 50mi USA15th Pacific Crest Trail Fifty 13:48:40 h51
1992
04.09 100mi USA2nd Superior Fall Trail Races 100 Mile 29:49:52 h27
25.07 50mi USA11th Minnesota Voyageur Trail 50 Mile Ultra 11:10:43 h55
16.05 50mi USA11th Ice Age Trail 50 Mile Run 10:19:50 h144
14.03 50km USA3rd Way Too Cool 50K Endurance Run 5:56:38 h185
1990
28.07 50mi USA9th Minnesota Voyageur Trail 50 Mile Ultra 10:44:44 h36