Mercer, James

Born 19691998 – 2025

Events

130

129 race dates

Best pace

11.252

km/h · 2025

Best finish

1st

of 31 · 2018

Distance raced

10,386

km · splits not double-counted

Pace over time

129 of 130 results · km/h

Actual pace
Age-graded pace

1 result is not on this chart. They are counted in every statistic above and listed in full below — backyard ultras carry a lap count instead of a pace, which is the number that means something in that format.

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.
Date	Event	Distance	Result	Pace km/h	Placing
1998-08-29	Fairfield Trail Runs - 50 KmUnited States	50km	5:16:12 h	9.488	6/12
1998-09-26	Flatrock 50KUnited States*St. Louis, MO	50km	6:37:46 h	7.542	9/34
1998-11-07	Quivering Quads 50M Trail RaceUnited States	50mi	9:54:17 h	8.124	5/16
1998-12-27	Huff 50K Trail RunUnited States*MO	50km	5:26:46 h	9.181	63/148
1999-01-23	Mountain Mist 50kUnited States*St.Louis, MO	50km	6:26:04 h	7.771	56/157
1999-03-06	Carl Touchstone Memorial Mississippi Trail 50 MileUnited States*MO	50mi	9:11:33 h	8.754	10/38
1999-04-10	Double Chubb 50kUnited States	50km	4:39:05 h	10.749	7/59
1999-07-10	Rattlesnake Trail 50K UltrarunUnited States*MO	50km	5:35:45 h	8.935	40/125
1999-07-24	Minnesota Voyageur Trail 50 Mile UltraUnited States*MO	50mi	12:25:34 h	6.476	61/73
1999-08-28	Fairfield Trail Runs - 50 KmUnited States*MO	50km	7:12:30 h	6.936	11/25
1999-11-13	Quivering Quads 50K Trail RaceUnited States	50km	5:13:03 h	9.583	8/64
1999-12-04	Kentucky Arches 50 MileUnited States*MO	50mi	9:17:32 h	8.660	25/47
2000-01-22	Mountain Mist 50kUnited States*St.Louis, MO	50km	6:23:06 h	7.831	60/125
2000-06-24	FANS 24 Hour RunsUnited States	24h	128.924 km	5.372	25/81
2000-07-30	Mount Rushmore Trail 50 Mile RunUnited States*MO	50mi	14:15:00 h	5.647	11/19
2000-08-12	Howl at the Moon 8h RunUnited States*Saint Louis, MO	8h	69.571 km	8.696	16/108
2000-10-07	Arkansas Traveller 100United States*MO	100mi	25:44:04 h	6.254	52/93
2001-01-27	Mountain Mist 50kUnited States*St.Louis, MO	50km	5:31:18 h	9.055	33/140
2001-02-17	Sylamore Trail 50k RunUnited States*MO	50km	5:19:06 h	9.401	9/69
2001-04-07	Umstead Endurance Run 100 MilesUnited States*MO	100mi	22:25:50 h	7.175	6/42
2001-05-05	Cornbelt Running Club 24 Hour RunUnited States*MO	24h	71.133 km	2.964	47/50
2001-08-11	Howl at the Moon 8h RunUnited States*Saint Louis, MO	8h	77.151 km	9.644	12/118
2001-10-06	Arkansas Traveller 100United States*MO	100mi	20:46:42 h	7.745	10/88
2001-11-03	OPSF Ultra 50 km RaceUnited States*MO	50km	6:18:00 h	7.937	13/49
2001-11-10	Quivering Quads 50K Trail RaceUnited States	50km	5:21:12 h	9.340	21/74
2002-04-20	Double Chubb 50kUnited States	50km	6:18:21 h	7.929	43/56
2004-08-14	Howl at the Moon 8h RunUnited States*Saint Louis, MO	8h	62.265 km	7.783	75/154
2006-08-12	Howl at the Moon 8h RunUnited States*Saint Louis, MO	8h	59.851 km	7.481	85/177
2006-09-02	Flatlanders 12 Hour RunUnited States*MO	12h	87.725 km	7.310	15/34
2006-10-22	Stone Steps 50K Trail RunUnited States*MO	50km	6:50:44 h	7.304	28/48
2007-04-14	Double Chubb 50kUnited States*MO	50km	5:40:58 h	8.799	21/51
2007-06-09	Hawthorn Half Day RunUnited States	12h	84.554 km	7.046	12/31
2007-07-14	Psycho Psummer Run Toto Run 50KUnited States	50km	6:37:56 h	7.539	24/42
2007-08-11	Howl at the Moon 8h RunUnited States*Saint Louis, MO	8h	62.265 km	7.783	50/157
2007-09-01	Flatlanders 12 Hour RunUnited States*MO	12h	96.641 km	8.053	6/39
2007-09-29	Flatrock 50KUnited States*St. Louis, MO	50km	6:58:15 h	7.173	9/32
2007-10-14	Glacial Trail 50 Mile RaceUnited States*MO	50mi	11:15:24 h	7.148	26/34
2007-10-20	Spirit of the Osage 50kUnited States*MO	50km	5:10:45 h	9.654	12/37
2008-01-26	Mountain Mist 50kUnited States*MO	50km	6:34:13 h	7.610	134/253
2008-02-09	Run Toto Run Psycho Wyco 50KUnited States	50km	7:40:00 h	6.522	44/68
2008-04-19	Double Chubb 50kUnited States*MO	50km	5:41:06 h	8.795	19/49
2008-05-17	Berryman 50 MileUnited States*MO	50mi	10:36:04 h	7.590	18/51
2008-06-14	Run Under The Stars - PaducahUnited States	10h	82.076 km	8.208	5/24
2008-08-30	Flatlanders 12 Hour RunUnited States*MO	12h	94.485 km	7.874	6/29
2008-09-27	Flatrock 50KUnited States*St Louis, MO	50km	6:54:12 h	7.243	8/34
2008-10-18	Spirit of the Osage 50kUnited States*MO	50km	4:50:33 h	10.325	10/50
2008-11-15	Ultracentric 24 Hour RunUnited States	24h	70.878 km	2.953	49/54
2009-01-24	Mountain Mist 50kUnited States*MO	50km	5:53:05 h	8.497	68/257
2009-02-21	Sylamore Trail 50k RunUnited States*St. Louis, MO	50km	5:38:00 h	8.876	26/109
2009-03-14	Land Between The Lakes 50 Mile Trail RunUnited States*MO	50mi	9:48:58 h	8.197	22/53
2009-04-18	Double Chubb 50kUnited States*MO	50km	6:17:05 h	7.956	43/59
2009-05-16	Berryman 50 MileUnited States*MO	50mi	10:31:28 h	7.646	24/54
2009-06-06	Kettle Moraine 100 Mile Endurance RunUnited States*Saint Louis, MO	100mi	24:09:32 h	6.661	42/90
2009-07-11	Psycho Psummer Run Toto Run 50KUnited States	50km	7:50:29 h	6.376	42/62
2009-09-29	Flatrock 50KUnited States*St Louis, MO	50km	6:50:53 h	7.301	12/44
2009-12-06	Pine Mountain 40 MilesUnited States*MO	40mi	8:10:57 h	7.867	30/89
2010-06-12	Run Under The Stars - PaducahUnited States*MO	10h	51.499 km	5.150	39/49
2010-09-25	Flatrock 50KUnited States*St Louis, MO	50km	6:37:54 h	7.540	16/40
2010-10-16	Cumberland Trail 50kUnited States*St. Louis, MO	50km	6:15:00 h	8.000	11/29
2011-01-22	Mountain Mist 50kUnited States*Saint Louis, MO	50km	6:15:36 h	7.987	96/274
2012-03-16	Howard Aslinger 12 Hour Endurance RunUnited States*St. Louis, MO	12h	68.091 km	5.674	19/27
2012-04-21	Double Chubb 50kUnited States*MO	50km	5:23:05 h	9.286	22/64
2014-01-25	Mountain Mist 50kUnited States*Saint Louis, MO	50km	6:58:05 h	7.176	183/310
2014-07-12	Full Moon Run - Midnight 50KUnited States*MO	50km	6:10:37 h	8.095	25/109
2014-10-04	Rock Bridge Revenge 50 km RaceUnited States*Saint Louis, MO	50km	5:50:30 h	8.559	10/33
2014-11-01	Mountain Masochist 50 Mile Trail RunUnited States*MS	50mi	10:49:04 h	7.438	122/242
2015-01-10	Cloudland Canyon 50 Mile RaceUnited States*Saint Louis, MO	50mi	11:20:26 h	7.096	29/75
2015-01-24	Mountain Mist 50kUnited States*Saint Louis, MO	50km	5:55:06 h	8.448	80/325
2015-03-14	Land Between The Lakes 50 Mile Trail RunUnited States*Saint Louis, MO	50mi	9:24:42 h	8.550	23/61
2015-04-18	Ouachita Trail 50 MileUnited States*MO	50mi	10:35:30 h	7.597	9/47
2015-05-16	Berryman 50 MileUnited States*Saint Louis, MO	50mi	10:14:04 h	7.862	11/40
2015-09-19	The Barkley Fall ClassicUnited States*Saint Louis, MO	50km	10:54:49 h	4.581	26/101
2015-10-03	Rock Bridge Revenge 50 km RaceUnited States*Saint Louis, MO	50km	5:14:04 h	9.552	4/29
2015-10-10	Rockin Rockwoods Trail RaceUnited States*Saint Louis, MO	53km	6:24:49 h	8.264	6/30
2015-11-14	Tunnel Hill 100 Mile RaceUnited States*Saint Louis, MO	100mi	21:23:53 h	7.521	18/97
2016-01-23	Mountain Mist 50kUnited States*Saint Louis, MO	50km	6:19:36 h	7.903	59/257
2016-02-13	Cross Timbers Trail RunUnited States*Saint Louis, MO	50mi	10:58:59 h	7.326	3/12
2016-04-09	Ozarks Foothills 50KUnited States*Saint Louis, MO	50km	5:34:22 h	8.972	11/46
2016-04-16	Double Chubb 50kUnited States*Saint Louis, MO	50km	4:51:29 h	10.292	6/45
2016-06-18	Dizzy GOAT 12 Hour Trail RunUnited States*Saint Louis, MO	12h	91.732 km	7.644	6/73
2016-09-17	The Barkley Fall ClassicUnited States*Saint Louis, MO	50km	10:34:13 h	4.730	24/120
2016-10-01	Arkansas Traveller 100United States*MO	100mi	21:16:42 h	7.563	11/98
2016-11-05	Ozark Trail 100 Mile Endurance RunUnited States*MO	100mi	25:50:29 h	6.228	14/45
2016-12-17	Lookout Mountain 50 Mile RaceUnited States*Saint Louis, MO	50mi	9:27:34 h	8.507	22/137
2017-01-28	Mountain Mist 50kUnited States*Saint Louis, MO	50km	5:32:39 h	9.018	43/342
2017-03-11	Land Between The Lakes 50 Mile Trail RunUnited States*Saint Louis, MO	50mi	8:48:39 h	9.133	11/87
2017-04-08	Ozarks Foothills 50KUnited States*Saint Louis, MO	50km	5:30:56 h	9.065	8/50
2017-05-19	Cruel Jewel 100 MileUnited States*Saint Louis, MO	106mi	33:14:28 h	5.132	13/77
2017-09-16	The Barkley Fall ClassicUnited States*Saint Louis, MO	50km	10:25:01 h	4.800	8/120
2017-10-07	Arkansas Traveller 100United States*MO	100mi	20:54:56 h	7.694	8/79
2018-01-06	Wild Azalea Trail ChallengeUnited States*Saint Louis, MO	50mi	9:50:28 h	8.177	6/19
2018-02-03	Hallucination 24 Hour Trail RunUnited States*Saint Louis, MO	24h	180.568 km	7.524	1/31
2018-04-21	Cedro Peak 50 Km UltramarathonUnited States*Saint Louis, MO	50km	6:16:56 h	7.959	28/92
2018-05-12	Dark Sky 50United States*Saint Louis, MO	50mi	10:44:00 h	7.497	7/38
2018-06-15	Bighorn Mountain Wild & Scenic 100 Mile Trail RunUnited States*Saint Louis, MO	100mi	32:25:15 h	4.964	118/167
2018-07-28	Burning River 100 Mile Endurance RunUnited States*Saint Louis, MO	102mi	24:45:36 h	6.630	53/160
2018-11-03	Ozark Trail 100 Mile Endurance RunUnited States*MO	100mi	25:30:13 h	6.310	12/44
2019-08-24	Shawnee Hills 100 - 50 KmUnited States*Saint Louis, MO	50km	6:36:15 h	7.571	6/47
2019-10-05	Arkansas Traveller 100United States*MO	100mi	25:23:38 h	6.338	41/100
2019-11-02	Ozark Trail 100 Mile Endurance RunUnited States*MO	100mi	27:20:04 h	5.888	17/47
2020-02-01	Rocky Raccoon 100 Mile Trail RunUnited States	100mi	25:00:02 h	6.437	101/250
2020-11-07	Ozark Trail 100 Mile Endurance RunUnited States*MO	100mi	25:30:40 h	6.308	7/45
2021-03-05	Queeny Backyard UltraUnited States*Saint Louis, MO	25h	67.060 km	10laps	25/44
2021-06-05	Eagle Up Ultra 100 KmUnited States*MO	100km	12:36:21 h	7.933	5/91
2021-07-24	Burning River 100 Mile Endurance RunUnited States*Saint Louis, MO	100mi	23:36:39 h	6.816	34/170
2021-09-10	Superior Fall Trail Races 100 MileUnited States*Saint Louis, MO	100mi	29:35:34 h	5.438	28/124
2021-10-02	Arkansas Traveller 100United States*MO	100mi	25:48:58 h	6.234	31/82
2021-10-30	Ozark Trail 100 Mile Endurance RunUnited States*MO	100mi	25:39:38 h	6.272	7/26
2022-01-15	Fierce Dragon Flintstrike 40United States*Saint Louis, MO	40mi	11:49:00 h	5.448	2/12
2022-04-09	Potawatomi 100 Mile Trail RunUnited States*Saint Louis, MO	100mi	25:24:32 h	6.334	5/31
2022-05-13	Cruel Jewel 100 MileUnited States*St Louis, MO	106mi	34:12:14 h	4.987	35/129
2023-01-14	Swamp Stomper 50KUnited States*Saint Louis, MO	50km	6:54:20 h	7.241	18/28
2023-02-04	Beulah Challenge 9 Hour RaceUnited States*Saint Louis, MO	9h	48.441 km	5.382	13/16
2023-02-24	Lake Ouachita Vista Trail Endurance 100 Km Run (LOViT)United States*Saint Louis, MO	100km	14:09:56 h	7.059	21/47
2023-03-25	Clinton Lake UltraUnited States*Saint Louis, MO	30mi	6:03:52 h	7.961	14/40
2023-07-15	Get Your Butt Kicked 6 Hour RaceUnited States*Saint Louis, MO	6h	48.439 km	8.073	31/40
2023-08-12	Howl at the Moon 8 Hour RunUnited States	8h	63.569 km	7.946	7/61
2023-09-16	Rockin Rockwoods Trail RaceUnited States*Saint Louis, MO	53km	7:02:49 h	7.521	13/53
2023-10-21	Big Hill Pond Walking TallUnited States*Saint Louis, MO	50km	6:33:16 h	7.628	19/87
2023-11-11	Tunnel Hill 50 Mile RaceUnited StatesIAU Silver*Saint Louis, MO	50mi	9:41:01 h	8.310	95/345
2023-12-02	Jackson County 50-50 Ultramarathon - 50 KmUnited States*Saint Louis, MO	50km	6:17:13 h	7.953	21/65
2024-02-03	Beulah Challenge 9 Hour RaceUnited States*Saint Louis, MO	9h	55.361 km	6.151	17/23
2024-03-02	Ozark Highlands Endurance RunUnited States*Saint Louis, MO	50km	6:35:26 h	7.587	14/33
2024-04-27	Frisco Railroad 50 Mile RunUnited States*Saint Louis, MO	50mi	10:06:30 h	7.960	11/31
2024-05-25	Hawthorn Half Day 6 Hour RunUnited States*Saint Louis, MO	6h	51.659 km	8.610	7/12
2024-07-20	Get Your Butt Kicked 6 Hour RaceUnited States*Saint Louis, MO	6h	45.608 km	7.601	41/42
2025-08-23	Shawnee Hills 100 - 50 KmUnited States*Saint Louis, MO	50km	8:59:57 h	5.556	39/70
2025-10-04	The Hennepin Hundred - 50 Km RunUnited States*Saint Louis, MO	50km	6:26:15 h	7.767	30/106
2025-10-11	Arrowhead 12 Hour Endurance RunUnited States*Saint Louis, MO	12h	50.082 km	4.174	20/23
2025-11-22	Fall Creek 50United States*Saint Louis, MO	50mi	7:09:05 h	11.252	20/87