Halladay, Jason

Born 19742005 – 2025

Events

2005 – 2025

Best pace

11.111

km/h · 2014

Best finish

4th

of 122 · 2009

Distance raced

4,180

km · splits not double-counted

Pace over time

km/h · higher is faster

Actual pace
Age-graded pace

Results

Every result for this runner in date order. Splits of a race are indented and are not counted again in the distance total.
Date	Event	Distance	Result	Pace km/h	Placing
2005-08-20	Leadville Trail 100 MileUnited States*Los Alamos, NM	100mi	29:32:20 h	5.448	184/213
2006-05-13	Jemez Mountain 50mi Trail RunUnited States*Los Alamos, NM	50mi	11:03:52 h	7.273	5/22
2006-06-17	San Juan Solstice 50 Mile RunUnited States	50mi	11:47:47 h	6.821	26/115
2006-07-15	Hardrock Hundred Endurance RunUnited States*NM	100mi	37:46:04 h	4.261	25/81
2007-01-13	HURT 100 Endurance Run 100 kmUnited States*NM	100km	18:48:00 h	5.319	6/42
2007-05-19	Jemez Mountain 50mi Trail RunUnited States*Los Alamos, NM	50mi	9:40:05 h	8.323	5/52
2007-06-16	San Juan Solstice 50 Mile RunUnited States	50mi	10:35:44 h	7.594	11/122
2007-07-14	Hardrock Hundred Endurance RunUnited States*NM	100mi	33:36:20 h	4.789	18/97
2007-08-18	Leadville Trail 100 MileUnited States*Los Alamos, NM	100mi	27:55:28 h	5.763	106/210
2008-05-17	Jemez Mountain 50mi Trail RunUnited States*Los Alamos, NM	50mi	10:42:08 h	7.519	10/93
2008-06-21	San Juan Solstice 50 Mile RunUnited States	50mi	10:57:51 h	7.339	18/130
2008-09-20	Moab's Alpine to Slickrock 50miUnited States	50mi	10:42:00 h	7.520	6/30
2009-01-17	The Ghost Town 38.5United States	38.5mi	5:52:15 h	10.554	5/70
2009-03-07	Old Pueblo 50 Mile Endurance RunUnited States*NM	50mi	8:30:21 h	9.460	7/127
2009-03-28	Antelope Island Buffalo Run 50 kmUnited States*Los Alamos, NM	50km	4:40:49 h	10.683	4/122
2009-05-19	Jemez Mountain 50mi Trail RunUnited States*Los Alamos, NM	50mi	10:11:19 h	7.898	5/104
2009-06-20	San Juan Solstice 50 Mile RunUnited States*Los Alamos, NM	50mi	10:56:12 h	7.358	13/109
2009-10-17	Palo Duro 50 km Trail RunUnited States	50km	5:09:15 h	9.701	9/121
2010-02-06	Orcas Island 50kUnited States*Los Alamos, NM	50km	5:38:16 h	8.869	20/123
2010-05-22	Jemez Mountain 50km Trail RunUnited States*Los Alamos, NM	50km	6:24:55 h	7.794	9/152
2010-06-19	San Juan Solstice 50 Mile RunUnited States*Los Alamos, MN	50mi	11:12:40 h	7.177	26/152
2010-08-28	Cascade Crest Classic 100 MileUnited States*Los Alamos, NM	100mi	28:29:01 h	5.650	45/78
2010-09-25	Sandia CrossingUnited States	29mi	5:31:00 h	8.460	3/19
2011-05-28	Pocatello 50 Mile Trail RunUnited States*Los Alamos, NM	50mi	10:11:01 h	7.902	14/80
2011-10-01	Devil Mountain Ultra 50 KmUnited States*Los Alamos, NM	50km	5:11:49 h	9.621	7/75
2012-02-18	Moab Red Hot 55kUnited States*Los, NM	55km	5:25:17 h	10.145	39/200
2012-07-28	Grand Mesa 50 Mile Trail RaceUnited States	52mi	8:34:00 h	9.769	4/25
2012-09-29	Mount Taylor 50 km RaceUnited States*Los Alamos, NM	50km	5:24:34 h	9.243	14/126
2012-10-20	Deadman Peaks Trail RunUnited States*Los Alamos, NM	50mi	10:49:31 h	7.433	9/39
2013-06-08	Dolomiti Extreme TrailItaly	53km	8:44:31 h	6.063	68/316
2013-09-28	Mount Taylor 50 km RaceUnited States*Los Alamos, NM	50km	5:22:05 h	9.314	8/138
2014-05-24	Jemez Mountain 50km Trail RunUnited States*Los Alamos, NM	50km	6:10:38 h	8.094	9/158
2014-10-11	Canyon De Chelly UltraUnited States*Los Alamos, NM	55km	4:57:00 h	11.111	6/132
2015-05-23	Jemez Mountain 50km Trail RunUnited States*Los Alamos, NM	50km	7:56:54 h	6.291	61/159
2015-09-26	Mogollon Monster 100 MileUnited States*Los Alamos, NM	106mi	32:16:00 h	5.287	17/33
2016-06-25	San Juan Solstice 50 Mile RunUnited States*Los Alamos, NM	50mi	10:59:52 h	7.317	28/168
2016-07-15	Hardrock Hundred Endurance RunUnited States*New Mexico	100mi	39:55:00 h	4.032	49/114
2017-05-20	Jemez Mountain 50km Trail RunUnited States*Los Alamos, NM	50km	5:54:13 h	8.469	16/197
2018-09-14	Ben Nevis Ultra SkyRaceGreat Britain	52km	6:50:36 h	7.599	241/346
2019-10-05	Flagstaff Sky Peaks 50 Miles Mountain RunUnited States*Los Alamos, NM	50mi	11:01:51 h	7.295	5/33
2021-07-16	Hardrock Hundred Endurance RunUnited States*Los Alamos, NM	100mi	36:57:00 h	4.355	33/112
2021-09-17	Run Rabbit Run 100 Mile UltraMarathon - Hares RunUnited States*Los Alamos, NM	100mi	29:36:27 h	5.436	51/54
2022-08-13	Philmont Trail RaceUnited States	50mi	11:39:26 h	6.903	2/32
2023-06-17	The Broken Arrow SkyraceUnited States*Los Alamos, NM	46km	5:31:23 h	8.329	58/526
2024-04-20	Cedro Peak 50 Km UltramarathonUnited States*Los Alamos, NM	50km	4:44:27 h	10.547	8/75
2024-06-22	San Juan Solstice 50 Mile RunUnited States*Los Alamos, NM	50mi	11:46:59 h	6.829	57/237
2025-07-26	Grand Mesa 50 Mile Trail RaceUnited States*Los Alamos, NM	50mi	9:54:45 h	8.118	7/35
2025-09-26	Adamello Ultra Trail 170 kmItaly	170km	35:01:01 h	4.855	52/134