DUV ULTRA STATS

Mason, Louise

United StatesWomanBorn 19531991 – 2026Runner id 21692
Events
165
160 race dates
Best pace
8.425
km/h · 2005
Best finish
5th
of 40 · 2025
Distance raced
23,186
km · splits not double-counted

Pace over time

km/h · higher is faster

0.53.05.57.910.419912026

Pace over time: 160 races and 5 splits from 1991 to 2026, ranging from 1.19 to 9.74 kilometres per hour, where higher is faster. A second, age-graded series is drawn above it; the gap between the two is the age credit.

  • Actual pace
  • Age-graded pace
  • Split of a race already plotted

Results

Every result for this runner in date order. Splits of a race are indented under it and are not counted again in the distance total.
DateEventDistanceResultPace km/hPlacing
1991-07-27
Minnesota Voyageur Trail 50 Mile UltraUnited States
50mi13:20:35 h6.031112/112
1993-05-15
Ice Age Trail 50 Mile RunUnited States
50mi11:12:03 h7.184256/296
1993-07-31
Vermont 100 Mile Endurance RaceUnited States
100mi27:15:26 h5.904131/164
1993-10-09
Arkansas Traveller 100United States*IL
100mi29:23:32 h5.47569/75
1993-12-03
Key to Shining Key Ultramarathon 100 MileUnited States*IL
100mi26:36:20 h6.04918/25
1994-02-05
Rocky Raccoon 100 Mile Trail RunUnited States
100mi27:23:00 h5.87730/31
1994-04-02
American River 50 Mile Endurance RunUnited States
50mi11:01:25 h7.300385/468
1994-05-21
Ice Age Trail 50 Mile RunUnited States
50mi11:47:44 h6.822252/268
1994-07-23
Vermont 100 Mile Endurance RaceUnited States
100mi27:32:16 h5.844105/126
1994-10-08
Arkansas Traveller 100United States*IL
100mi29:23:39 h5.47574/80
1995-04-08
Umstead Endurance Run 100 MilesUnited States
100mi26:52:07 h5.99010/16
1995-05-13
Ice Age Trail 50 Mile RunUnited States
50mi11:35:03 h6.946288/323
1995-07-22
Vermont 100 Mile Endurance RaceUnited States
100mi27:14:26 h5.908115/149
1995-10-07
Arkansas Traveller 100United States*IL
100mi28:41:47 h5.60875/83
1996-03-30
Umstead Endurance Run 100 MilesUnited States*IL
100mi28:20:34 h5.67832/38
1996-07-20
Vermont 100 Mile Endurance RaceUnited States
100mi28:02:36 h5.739125/145
1996-10-12
Arkansas Traveller 100United States*IL
100mi28:35:07 h5.63068/73
1997-07-19
Vermont 100 Mile Endurance RaceUnited States*IL
100mi29:22:39 h5.478155/161
1999-10-02
Arkansas Traveller 100United States*IL
100mi28:36:30 h5.62564/84
2000-09-16
Rio Del Lago 100 MileUnited States*IL
100mi28:56:23 h5.56123/25
2000-10-14
Heartland 100 Mile RaceUnited States*IL
100mi27:27:27 h5.86117/23
2001-02-03
Rocky Raccoon 100 Mile Trail RunUnited States*IL
100mi29:09:54 h5.51893/94
2001-04-07
Umstead Endurance Run 100 MilesUnited States*IL
100mi26:51:32 h5.99223/42
2001-05-10
Ice Age Trail 50 Mile RunUnited States
50mi10:58:25 h7.333216/279
2001-05-26
Sulphur Springs Trail Run 50miCanada*Chicago, IL
50mi10:53:29 h7.3888/16
2001-06-23
Western States 100 Mile Endurance RunUnited States
100mi29:50:18 h5.394258/267
2001-10-13
Heartland 100 Mile RaceUnited States*Chicago, IL
100mi28:28:36 h5.65123/29
2001-11-05
Dan Rossi Memorial Ultra 100 MileUnited States*IL
100mi25:52:10 h6.2214/6
2001-12-29
Huff 50K Trail RunUnited States*IL
50km7:50:01 h6.383183/190
2002-02-02
Rocky Raccoon 100 Mile Trail RunUnited States*IL
100mi28:45:49 h5.59584/91
2002-04-06
Umstead Endurance Run 100 MilesUnited States*IL
100mi28:34:53 h5.63172/76
2002-05-04
Cornbelt Running Club 24 Hour RunUnited States*IL
24h148.365 km6.1829/44
2002-06-15
Mohican Trail 100 MileUnited States
100mi29:00:09 h5.54952/62
2002-07-20
Vermont 100 Mile Endurance RaceUnited States*IL
100mi28:47:58 h5.588177/191
2002-10-12
Heartland 100 Mile RaceUnited States*IL
100mi27:44:20 h5.80221/34
2002-11-02
Dan Rossi Memorial Ultra 100 MileUnited States*IL
100mi27:23:30 h5.8758/9
2002-12-07
Ancient Oaks 100 Mile RunUnited States*Chicago, IL
100mi28:36:57 h5.6249/9
2003-02-01
Rocky Raccoon 100 Mile Trail RunUnited States*IL
100mi28:19:00 h5.68363/76
2003-03-01
Houston Ultra Event Weekend 24hUnited States*IL
24h147.673 km6.1537/15
2003-04-05
Umstead Endurance Run 100 MilesUnited States*IL
100mi29:15:29 h5.50172/78
2003-05-03
Cornbelt Running Club 24 Hour RunUnited States*Chicago, IL
24h157.699 km6.57112/49
2003-06-14
Mohican Trail 100 MileUnited States*IL
100mi29:15:05 h5.50250/55
2003-08-09
Howl at the Moon 8h RunUnited States*Chicago, IL
8h60.656 km7.58263/113
2003-09-13
Olander Park 24 Hour RunUnited States*Chicago, IL
24h160.934 km6.70635/93
2003-09-13
Olander Park 24 Hour Run - 100mi SplitUnited StatesSplit of the race above; not counted again in the distance total*Chicago, IL
100mi24:25:17 h6.59035/40
2003-10-11
Heartland 100 Mile RaceUnited States*Chicago, IL
100mi26:47:32 h6.00725/34
2003-11-08
Javelina Jundred 100 MileUnited States*Chicago, IL
100mi28:29:50 h5.64761/81
2003-12-13
Ancient Oaks 100 Mile RunUnited States*Chicago, IL
100mi28:35:00 h5.6306/9
2004-02-07
Rocky Raccoon 100 Mile Trail RunUnited States*IL
100mi28:49:11 h5.58496/112
2004-04-03
Umstead Endurance Run 100 MilesUnited States*IL
100mi27:10:43 h5.92175/98
2004-05-29
Old Dominion Memorial Day Race 100 MileUnited States*Chicago, IL
100mi29:05:00 h5.53421/20
2004-09-11
Olander Park 24 Hour RunUnited States*Chicago, IL
24h160.934 km6.70631/72
2004-09-11
Olander Park 24 Hour Run - 100mi SplitUnited StatesSplit of the race above; not counted again in the distance total*Chicago, IL
100mi26:06:06 h6.16631/32
2004-10-09
Heartland 100 Mile RaceUnited States*Chicago, IL
100mi28:32:46 h5.63821/24
2004-10-30
Javelina Jundred 100 MileUnited States*IL
100mi28:32:04 h5.64054/71
2004-11-06
Dan Rossi Memorial Ultra 100 MileUnited States*IL
100mi23:58:06 h6.7146/10
2004-12-11
Ancient Oaks 100 Mile RunUnited States*Chicago, IL
100mi31:25:00 h5.12313/13
2005-02-05
Rocky Raccoon 100 Mile Trail RunUnited States*IL
100mi31:19:00 h5.139102/104
2005-04-02
Umstead Endurance Run 100 MilesUnited States*IL
100mi28:52:04 h5.57582/87
2005-04-16
McNaughton 100 Mile Ultra RaceUnited States*IL
100mi33:10:45 h4.85022/27
2005-08-27
Lean Horse Ultra-Marathon 100 MileUnited States*Chicago, IL
100mi25:33:00 h6.29930/59
2005-09-03
Flatlanders 6 Hour RunUnited States*IL
6h50.549 km8.42511/12
2005-10-08
Heartland 100 Mile RaceUnited States*Chicago, IL
100mi29:12:18 h5.51139/43
2005-12-10
Ancient Oaks 100 Mile RunUnited States*Chicago, IL
100mi30:24:00 h5.29414/15
2006-02-04
Rocky Raccoon 100 Mile Trail RunUnited States*IL
100mi29:17:25 h5.494125/133
2006-04-08
Umstead Endurance Run 100 MilesUnited States*IL
100mi27:32:33 h5.84368/99
2006-04-15
McNaughton 100 Mile Ultra RaceUnited States*IL
100mi34:28:02 h4.66929/31
2006-08-12
Howl at the Moon 8h RunUnited States*Chicago, IL
8h58.242 km7.28093/177
2006-09-02
Flatlanders 12 Hour RunUnited States*IL
12h89.721 km7.47713/34
2006-10-14
Heartland 100 Mile RaceUnited States*Chicago, IL
100mi28:56:47 h5.56045/47
2006-11-10
Mother Road 100 MileUnited States*Chicago, IL
100mi27:07:25 h5.93380/120
2007-02-03
Rocky Raccoon 100 Mile Trail RunUnited States*IL
100mi29:22:13 h5.479159/168
2007-03-31
Umstead Endurance Run 100 MilesUnited States*IL
100mi28:13:45 h5.70180/108
2007-08-11
Howl at the Moon 8h RunUnited States*Chicago, IL
8h45.576 km5.697156/157
2007-09-01
Flatlanders 12 Hour RunUnited States*IL
12h74.277 km6.19021/39
2007-10-13
Heartland 100 Mile RaceUnited States*Il
100mi29:37:23 h5.43350/52
2008-04-05
Umstead Endurance Run 100 MilesUnited States*IL
100mi29:21:52 h5.48196/104
2008-07-19
Tahoe Rim Trail 100M Endurance RunsUnited States*IL
100mi34:27:12 h4.67164/64
2008-08-09
Howl at the Moon 8h RunUnited States*Chicago, IL
8h55.361 km6.920116/172
2008-08-30
Flatlanders 12 Hour RunUnited States*IL
12h85.440 km7.1208/29
2008-10-11
Heartland 100 Mile RaceUnited States*Chicago, IL
100mi28:59:30 h5.55149/53
2009-04-04
Umstead Endurance Run 50 MilesUnited States*IL
50mi13:33:53 h5.93287/109
2009-06-06
FANS 24 Hour RunsUnited States*Chicago, IL
24h129.101 km5.37930/91
2009-08-22
Lean Horse Ultra-Marathon 100 MileUnited States*Chicago, IL
100mi29:58:00 h5.37072/72
2009-09-05
Badgerland F/X 12 Hour Run (day)United States*Chicago, IL
12h74.004 km6.1673/9
2009-10-17
Boulder 100 MileUnited States*Chicago, IL
100mi28:53:00 h5.57224/25
2010-03-27
Umstead Endurance Run 100 MilesUnited States*IL
100mi29:27:14 h5.464132/133
2010-04-02
Philadelphia 100 Endurance RunUnited States*Chicago, IL
100mi31:37:23 h5.08912/14
2010-06-05
FANS 24 Hour RunsUnited States*Chicago, IL
24h132.400 km5.51731/78
2010-08-28
Lean Horse Ultra-Marathon 100 MileUnited States*Chicago, IL
100mi28:45:00 h5.59882/94
2010-10-09
Heartland 100 Mile RaceUnited States*Chicago, IL
100mi29:18:06 h5.49254/55
2010-11-06
Mother Road 100 MileUnited States*Chicago, IL
100mi29:38:05 h5.431124/132
2011-03-04
Rouge-Orleans 126 Miles UltramarathonUnited States*Chicago, IL
126.2mi41:57:53 h4.84016/16
2011-04-02
Umstead Endurance Run 100 MilesUnited States*IL
100mi28:44:40 h5.599130/144
2011-08-20
Beast of Burden Summer 100 MilerUnited States*Chicago, IL
100mi27:55:01 h5.76523/28
2012-03-10
Graveyard 100 Mile UltramarathonUnited States*Chicago, IL
100mi27:58:00 h5.75537/44
2012-03-31
Umstead Endurance Run 100 MilesUnited States*IL
100mi29:48:51 h5.398148/150
2012-08-18
Beast of Burden Summer 100 MilerUnited States*Chicago, IL
100mi27:35:47 h5.83245/45
2013-04-06
Umstead Endurance Run 100 MilesUnited States*IL
100mi27:49:48 h5.783133/162
2013-08-17
Beast of Burden Summer 100 MilerUnited States*Chicago, IL
100mi28:39:34 h5.61545/51
2013-10-12
Heartland 100 Mile RaceUnited States*Chicago, IL
100mi29:30:54 h5.45370/75
2014-04-05
Umstead Endurance Run 100 MilesUnited States*Il
100mi28:15:00 h5.697124/151
2014-08-09
Beast of Burden Summer 100 MilerUnited States*Chicago, IL
100mi27:44:57 h5.80024/40
2014-11-15
Tunnel Hill 100 Mile RaceUnited States*Chicago, IL
100mi27:27:04 h5.86365/84
2015-03-28
Umstead Endurance Run 100 MilesUnited States*IL
100mi28:19:05 h5.683125/147
2015-08-08
Beast of Burden Summer 100 MilerUnited States*Chicago, IL
100mi27:10:05 h5.92426/44
2015-09-12
The Hennepin Hundred - 100 Mile RunUnited States*Chicago, IL
100mi29:54:34 h5.38170/72
2016-04-02
Umstead Endurance Run 100 MilesUnited States*IL
100mi28:50:26 h5.580136/156
2016-08-13
Beast of Burden Summer 100 MilerUnited States*Chicago, IL
100mi28:59:07 h5.55218/20
2016-12-17
Houston Hundred 100 Mile UltraUnited States*Chicago, IL
100mi28:52:39 h5.5733/6
2017-04-01
Umstead Endurance Run 100 MilesUnited States*IL
100mi29:40:22 h5.424142/143
2017-07-08
Canal Corridor 100 Mile Endurance RunUnited States*Chicago, IL
100mi27:18:04 h5.89534/49
2017-08-05
Beast of Burden Summer 100 MilerUnited States*Chicago, IL
100mi28:29:39 h5.64845/53
2017-09-03
Olander Park 24 Hour RunUnited States
24h137.792 km5.7418/63
2017-12-16
Houston Hundred 100 Mile UltraUnited States*Chicago, IL
100mi29:52:33 h5.3878/10
2018-02-17
Jackpot Ultra Running Festival 100 Mile RaceUnited States
100mi28:56:45 h5.56025/29
2018-04-08
Umstead Endurance Run 100 MilesUnited States*IL
100mi28:53:05 h5.57290/114
2018-05-26
Pigtails Challenge 100 MileUnited States*Chicago, IL
100mi30:30:39 h5.27512/14
2018-07-07
Canal Corridor 100 Mile Endurance RunUnited States*Chicago, IL
100mi27:38:58 h5.82139/46
2018-08-04
Beast of Burden Summer 100 MilerUnited States*Chicago, IL
100mi29:33:54 h5.44322/26
2018-09-02
Olander Park 24 Hour RunUnited States
24h131.686 km5.48710/67
2018-09-22
North Coast 24 Hour Endurance RunUnited States*Chicago, IL
24h141.683 km5.90340/124
2018-10-20
Ghost Train Rail Trail Race 75 MileUnited States*Chicago, IL
75mi21:50:16 h5.52710/22
2018-12-01
Fiesta Series 100 MilesUnited States*Chicago, IL
100mi28:24:58 h5.6633/4
2019-02-16
Jackpot Ultra Running Festival 100 Mile RaceUnited States*Chicago, IL
100mi27:52:31 h5.77328/37
2019-04-06
Umstead Endurance Run 100 MilesUnited States*IL
100mi29:48:10 h5.400152/154
2019-05-25
Pigtails Challenge 100 MileUnited States*Chicago, IL
100mi31:51:51 h5.05119/22
2019-08-10
Beast of Burden Summer 100 MilerUnited States*Chicago, IL
100mi29:25:17 h5.47028/28
2019-09-21
Hamster Endurance Runs 32 Hour RunUnited States*Chicago, IL
32h163.187 km5.1008/23
2019-11-02
Boundiful 100 Mile Endurance RunUnited States*Chicago, IL
100mi32:33:24 h4.94312/12
2020-01-04
Across The Years, 100miUnited StatesIAU Bronze*Chicago, IL
100mi31:52:18 h5.04914/29
2020-02-14
Jackpot Ultra Running Festival 100 Mile Race - US ChampionshipUnited States*Chicago, IL
100mi28:29:30 h5.64820/26
2021-08-14
Hamster Endurance Runs 32 Hour RunUnited States*Chicago, IL
32h163.187 km5.1008/23
2022-02-20
Jackpot Ultra Running Festival 100 Mile Race - US ChampionshipUnited States*Chicago, IL
100mi29:07:02 h5.52740/51
2022-04-02
Umstead Endurance Run 100 MilesUnited States*IL
100mi29:04:19 h5.536117/129
2022-06-04
Indy Piston 100 km Endurance RunUnited States*Chicago, IL
100km18:31:58 h5.3969/10
2022-07-09
SF Half Day 24hUnited States*Chicago, IL
24h130.678 km5.4457/17
2022-08-13
Beast of Burden Summer 100 MilerUnited States*Chicago, IL
100mi29:11:42 h5.51218/20
2022-09-03
GOMU 48 Hour World ChampionshipsUnited StatesIAU Bronze
48h161.130 km3.35725/47
2022-11-05
Boundiful 100 Mile Endurance RunUnited States
100mi31:12:02 h5.1587/7
2022-12-28
Across the Years, 48hUnited StatesIAU Bronze*Chicago, IL
48h161.874 km3.37227/76
2023-02-18
The Raven 24 HourUnited StatesIAU Bronze*Chicago, IL
24h126.399 km5.26710/26
2023-03-04
Jackpot Ultra Running Festival 100 Mile Race - US ChampionshipUnited States*Chicago, IL
100mi32:11:32 h4.99930/33
2023-04-01
Umstead Endurance Run 100 MilesUnited States*IL
100mi29:44:10 h5.412123/124
2023-05-06
Island Time 12 Hour RaceUnited States
12h61.155 km5.09625/39
2023-06-03
Indy Piston 50 Mile Endurance Run AMUnited States*Chicago, IL
50mi15:52:57 h5.06613/14
2023-06-16
Six Days in the Dome - The Redux 48hUnited StatesIAU Bronze*Chicago
48h161.417 km3.36311/20
2023-09-02
Badgerland F/X 24 Hour RunUnited States*Chicago, IL
24h114.287 km4.76211/20
2023-10-07
Hainesport Hundred 100 Mile Endurance Run SummerUnited States*Chicago, IL
100mi29:59:02 h5.36720/20
2023-11-04
Boundiful 100 Mile Endurance RunUnited States
100mi32:42:45 h4.9206/7
2023-11-04
Boundiful 100 Mile Endurance Run - 50mi SplitUnited StatesSplit of the race above; not counted again in the distance total
50mi15:42:43 h5.1217/7
2023-11-04
Boundiful 100 Mile Endurance Run - 100km SplitUnited StatesSplit of the race above; not counted again in the distance total
100km19:49:49 h5.0437/7
2023-12-31
Across The Years, 100miUnited StatesIAU Bronze*Chicago, IL
100mi33:25:06 h4.81637/81
2024-04-06
Umstead Endurance Run 50 MilesUnited States*IL
50mi14:26:46 h5.57083/101
2024-06-07
Merrill's Mile 48 Hour RunUnited States*Chicago, IL
48h161.749 km3.37020/48
2024-06-17
Six Days in the Dome - The Redux 12hUnited StatesIAU Bronze*Chicago, IL
12h66.518 km5.5436/12
2024-06-17
Six Days in the Dome - The Redux 12h - 50km SplitUnited StatesIAU BronzeSplit of the race above; not counted again in the distance total*Chicago,
50km8:52:05 h5.6388/12
2024-08-29
Front Range Ultra Dayze 100MilesUnited States*Chicago, IL
100mi36:02:29 h4.4659/22
2024-12-28
Across The Years, 100miUnited StatesIAU Bronze*Chicago, IL
100mi30:50:05 h5.21933/100
2025-04-05
Umstead Endurance Run 50 MilesUnited States*IL
50mi18:09:02 h4.433124/134
2025-06-19
Six Days in the Dome - The Redux 48hUnited StatesIAU Bronze*Chicago, IL
48h57.205 km1.19226/25
2025-08-30
Badgerland F/X 24 Hour RunUnited States*Chicago, IL
24h108.759 km4.53211/31
2025-11-29
Boundiful 24 Hours Endurance RunUnited States
24h122.310 km5.0965/40
2025-12-28
Across The Years, 100miUnited StatesIAU Bronze*Chicago, IL
100mi32:59:15 h4.87942/99
2026-02-21
Jackpot Ultra Running Festival 100 Mile RaceUnited StatesIAU Bronze*Chicago, IL
100mi32:22:57 h4.97038/60