Marks, Nancy

Born 19602011 – 2026

Events

183

176 race dates

Best pace

8.429

km/h · 2012

Best finish

15th

of 52 · 2019

Distance raced

16,991

km · splits not double-counted

Pace over time

180 of 183 results · km/h

Actual pace
Age-graded pace

3 results are 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
2011-10-29	Cactus Rose 50 MileUnited States*TX	50mi	13:31:29 h	5.950	49/92
2012-01-07	Bandera 50 km UltratrailUnited States*Georgetown, TX	50km	7:03:47 h	7.079	116/204
2012-02-04	Rocky Raccoon 50 Mile Trail RunUnited States*TX	50mi	12:47:25 h	6.291	187/259
2012-03-03	Nueces 50 km Trail RunUnited States*TX	50km	6:39:30 h	7.509	30/46
2012-05-20	Ohlone 50K Wilderness RunUnited States	50km	7:58:20 h	6.272	107/219
2012-06-23	Capt'n Karl's Trail Series - Pedernales FallsUnited States*TX	60km	9:54:54 h	6.051	64/69
2012-08-11	Capt'n Karl's Trail Series - Colorado BendUnited States*TX	60km	10:23:53 h	5.770	37/48
2012-09-01	Capt'n Karl's Trail Series - Reveille Peak RanchUnited States*TX	60km	9:50:51 h	6.093	44/66
2012-10-27	Cactus Rose 100 MileUnited States*TX	100mi	32:57:25 h	4.883	40/47
2012-11-17	Wild Hare 50 km RaceUnited States*Georgetown, TX	50km	5:55:55 h	8.429	35/98
2013-01-13	Bandera 100 km Ultratrail - US ChampionchipsUnited States*TX	100km	18:54:54 h	5.287	51/55
2013-01-13	Bandera 100 km UltratrailUnited States*TX	100km	18:54:54 h	5.287	158/185
2013-02-02	Rocky Raccoon 100 Mile Trail RunUnited States*TX	100mi	28:29:06 h	5.650	183/229
2013-03-02	Nueces 50 Mile Trail RunUnited States*Round Rock, TX	50mi	11:14:01 h	7.163	50/85
2013-04-06	Hells Hills 50 Mile RaceUnited States*Round Rock, TX	50mi	12:14:22 h	6.574	52/66
2013-06-22	Capt'n Karl's Trail Series - Pedernales FallsUnited States*Round Rock, TX	60km	8:39:18 h	6.932	39/67
2013-07-13	Capt'n Karl's Trail Series - Muleshoe BendUnited States*Round Rock, TX	60km	10:56:27 h	5.484	42/48
2013-08-03	Capt'n Karl's Trail Series - Colorado BendUnited States*TX	60km	10:58:39 h	5.466	38/47
2013-08-24	Capt'n Karl's Trail Series - Reveille Peak RanchUnited States*Round Rock, TX	60km	10:34:26 h	5.674	50/61
2013-11-16	Wild Hare 50 Mile RaceUnited States*Round Rock, TX	50mi	12:16:52 h	6.552	38/52
2014-01-11	Bandera 100 km Ultratrail - US Trail ChampionshipsUnited States*Georgetown, TX	100km	17:15:51 h	5.792	60/76
2014-01-11	Bandera 100 km Ultratrail - Open raceUnited States*Georgetown, TX	100km	17:15:51 h	5.792	143/200
2014-03-01	Nueces 50 Mile Trail RunUnited States*Georgetown, TX	50mi	12:30:21 h	6.434	31/48
2014-04-05	Hells Hills 50 Mile RaceUnited States*TX	50mi	11:28:56 h	7.008	45/87
2014-08-09	Capt'n Karl's Trail Series - Colorado BendUnited States	60km	10:56:52 h	5.481	53/71
2014-09-06	Capt'n Karl's Trail Series - Reveille Peak RanchUnited States	60km	11:35:26 h	5.177	51/55
2014-10-25	Cactus Rose 100 MileUnited States*TX	100mi	33:33:57 h	4.795	33/40
2015-01-10	Bandera 100 km Ultratrail - US Trail ChampionshipsUnited States*Round Rock, TX	100km	20:11:52 h	4.951	64/74
2015-01-10	Bandera 100 km UltratrailUnited States*Round Rock, TX	100km	20:11:52 h	4.951	187/219
2015-01-31	Rocky Raccoon 100 Mile Trail RunUnited States*Round Rock, TX	100mi	29:06:33 h	5.529	229/249
2015-01-31	Rocky Raccoon 100 Mile Trail Run - US ChampionchipsUnited States*Round Rock, TX	100mi	29:06:33 h	5.529	63/66
2015-02-28	Nueces 50 Mile Trail RunUnited States*Round Rock, TX	50mi	12:50:26 h	6.267	25/37
2015-06-05	Bryce 100 Mile Trail RunUnited States*Georgetown, TX	100mi	35:51:58 h	4.487	75/76
2015-06-27	Capt'n Karl's Trail Series - Pedernales FallsUnited States	60km	10:21:43 h	5.790	46/64
2015-07-18	Capt'n Karl's Trail Series - Muleshoe BendUnited States	60km	11:17:28 h	5.314	36/42
2015-08-08	Capt'n Karl's Trail Series - Colorado BendUnited States	60km	11:55:51 h	5.029	47/47
2015-08-29	Capt'n Karl's Trail Series - Reveille Peak RanchUnited States	60km	10:44:24 h	5.587	54/72
2015-12-05	Isle du Bois Trail RunUnited States*Round Rock, TX	52km	7:41:20 h	6.763	31/48
2016-01-09	Bandera 100 km UltratrailUnited States	100km	17:37:00 h	5.676	186/229
2016-03-05	Pandora's Box of Rox 50 MileUnited States	52.4mi	14:16:35 h	5.907	22/28
2016-03-19	Georgia Death RaceUnited States*Round Rock, TX	68mi	23:04:38 h	4.742	137/162
2016-04-09	Toughest N’ Texas Trail Runs 50KUnited States	50km	9:09:10 h	5.463	13/15
2016-04-16	Vasque Free State Trail 100 km RunUnited States*Round Rock, TX	100km	16:51:31 h	5.932	12/12
2016-05-14	Whispering Pines 50 km Trail RunUnited States*The Colony, TX	50km	7:39:08 h	6.534	29/58
2016-06-25	Capt'n Karl's Trail Series - Pedernales FallsUnited States	60km	10:00:43 h	5.993	65/80
2016-07-16	Capt'n Karl's Trail Series - Muleshoe BendUnited States	60km	10:27:55 h	5.733	34/43
2016-07-23	Fossil Valley 9 Hour Trail ExtravaganzaUnited States	9h	56.278 km	6.253	20/30
2016-08-27	Capt'n Karl's Trail Series - Reveille Peak RanchUnited States	60km	10:49:34 h	5.542	43/55
2016-09-17	Sky Island 50KUnited States	50km	8:54:22 h	5.614	19/31
2016-09-24	J&J Race and Trail Running Reunion 100 Km RaceUnited States	100km	21:54:45 h	4.564	11/16
2016-10-22	Cactus Rose 100 MileUnited States	100mi	35:19:45 h	4.555	17/19
2016-11-12	Rockledge Rumble Trail RunUnited States	50km	7:55:02 h	6.315	37/53
2016-11-19	Wild Hare 50 Mile RaceUnited States	50mi	11:19:13 h	7.108	20/47
2016-12-03	The Circus 12 Hour RunUnited States	12h	62.764 km	5.230	7/12
2017-01-07	Bandera 100 km UltratrailUnited States*Round Rock, TX	100km	17:41:37 h	5.652	151/197
2017-01-21	Goodwater Trail Race Double-MarathonUnited States	52mi	16:40:20 h	5.019	8/9
2017-02-24	Lake Ouachita Vista Trail Endurance 100 Mile Run (LOViT)United States*Round Rock, TX	100mi	33:40:00 h	4.780	20/21
2017-03-18	Grasslands 50 Mile Trail RunUnited States	50mi	13:12:15 h	6.094	39/39
2017-04-08	Toughest N’ Texas Trail Runs 50KUnited States	50km	8:23:52 h	5.954	16/16
2017-04-29	Pandora's Box of Rox 50 MileUnited States	52.4mi	14:43:09 h	5.729	20/21
2017-06-24	Capt'n Karl's Trail Series - Pedernales FallsUnited States	60km	9:14:34 h	6.492	49/68
2017-08-05	Capt'n Karl's Trail Series - Colorado BendUnited States	60km	11:26:39 h	5.243	30/36
2017-08-26	Capt'n Karl's Trail Series - Reveille Peak RanchUnited States	60km	10:25:47 h	5.753	39/44
2017-09-09	Mission Tejas Trail RunUnited States*Round Rock, TX	50K	7:12:16 h	—	26/52
2017-09-29	J&J Race and Trail Running Reunion 100 Km RaceUnited States	100km	22:34:16 h	4.430	13/18
2017-10-07	Rawhide 50 MileUnited States	50mi	12:44:26 h	6.316	11/11
2017-10-21	Palo Duro 50 Mile Trail RunUnited States*Round Rock, TX	50mi	11:55:57 h	6.744	35/36
2017-10-28	Cactus Rose 100 MileUnited States	100mi	34:28:48 h	4.667	18/21
2017-11-11	Rockledge Rumble Trail RunUnited States	50km	7:29:16 h	6.678	43/83
2017-11-18	Wild Hare 50 Mile RaceUnited States	50mi	12:19:10 h	6.532	20/27
2017-12-09	The Circus 12 Hour RunUnited States	12h	54.717 km	4.560	15/21
2018-01-07	Bandera 100 km Endurance RunUnited States*Round Rock, TX	100km	18:53:30 h	5.293	199/248
2018-01-27	Goodwater Trail Race Double-MarathonUnited States	52mi	15:45:00 h	5.313	11/11
2018-02-10	Rocky 50 Mile Trail RunUnited States	50mi	14:39:31 h	5.489	114/122
2018-03-03	Tinajas Ultra 100 KmUnited States	100km	23:40:07 h	4.225	19/19
2018-06-23	Capt'n Karl's Trail Series - Pedernales FallsUnited States	60km	10:49:09 h	5.546	35/43
2018-09-22	Piney Woods Ultra 50kUnited States	50km	8:46:47 h	5.695	37/49
2018-09-28	J&J Race and Trail Running Reunion 100 Km RaceUnited States	100km	21:44:24 h	4.600	12/16
2018-10-27	Cactus Rose 100 MileUnited States	100mi	34:41:23 h	4.639	17/17
2018-11-17	Wild Hare 50 Mile RaceUnited States	50mi	13:50:01 h	5.817	25/29
2018-12-02	Dinosaur Valley Endurance Run 50 KmUnited States	50km	8:27:02 h	5.917	22/29
2018-12-15	Loup Garou 60 Mile Trail RunUnited States*Round Rock, TX	60mi	16:31:55 h	5.841	9/17
2019-01-06	Bandera 100 km Endurance RunUnited States*Round Rock, TX	100km	20:44:17 h	4.822	249/268
2019-01-26	Goodwater Trail Race Double-MarathonUnited States	52mi	14:53:25 h	5.620	11/11
2019-02-09	The Escarpment 50kUnited States	50km	8:00:50 h	6.239	32/42
2019-03-02	Tinajas Ultra 100 KmUnited States	100km	19:46:05 h	5.059	22/28
2019-06-22	Capt'n Karl's Trail Series - Pedernales FallsUnited States	60km	10:23:12 h	5.777	54/60
2019-07-13	Capt'n Karl's Trail Series - Muleshoe BendUnited States	60km	10:28:29 h	5.728	33/40
2019-08-03	Capt'n Karl's Trail Series - Colorado BendUnited States	60km	10:23:39 h	5.772	28/47
2019-08-24	Capt'n Karl's Trail Series - Reveille Peak RanchUnited States	60km	9:35:27 h	6.256	17/39
2019-09-21	Piney Woods Ultra 50kUnited States	50km	7:06:28 h	7.035	15/52
2019-09-27	J&J Race and Trail Running Reunion 100 Km RaceUnited States	100km	17:24:43 h	5.743	10/21
2019-10-26	Cactus Rose 100 MileUnited States	100mi	32:56:44 h	4.885	6/10
2019-11-16	Wild Hare 50 Mile RaceUnited States	50mi	12:09:30 h	6.618	27/40
2020-01-11	Bandera 100 km Endurance RunUnited States*Round Rock, TX	100km	16:54:47 h	5.913	227/328
2020-01-25	Goodwater Trail Race Double-MarathonUnited States*Round Rock, TX	52mi	11:55:52 h	7.014	6/9
2020-03-14	J&J Race and Trail Running Reunion 100 Km RaceUnited States	100km	19:01:08 h	5.258	9/10
2020-07-18	Capt'n Karl's Trail Series - Muleshoe BendUnited States	60km	10:04:46 h	5.953	13/16
2020-08-29	Capt'n Karl's Trail Series - Reveille Peak RanchUnited States*Round Rock, TX	60km	12:20:56 h	4.859	15/16
2020-10-23	Cactus Rose 150 MileUnited States	150mi	2d 09:23:31 h	4.206	4/4
2020-11-08	The Hill Country TriviumUnited States	50km	7:25:32 h	6.734	9/11
2020-11-21	Wild Hare 50 km RaceUnited States	50km	6:58:31 h	7.168	32/61
2020-12-05	Tinajas Ultra 150 KmUnited States	150km	35:53:50 h	4.179	1/1
2021-01-09	Bandera 100 km Endurance RunUnited States	100km	17:03:05 h	5.865	212/293
2021-01-30	Goodwater Trail Race Double-MarathonUnited States*Round Rock, TX	52mi	13:26:24 h	6.227	14/15
2021-03-12	J&J Race and Trail Running Reunion 100 Mile RaceUnited States	101mi	32:03:51 h	5.069	6/7
2021-04-25	Pandora's Box of Rox 50 MileUnited States	52.4mi	13:15:30 h	6.360	17/27
2021-06-27	Capt'n Karl's Trail Series - Pedernales FallsUnited States*Round Rock, TX	60km	9:34:06 h	6.271	31/56
2021-08-07	Capt'n Karl's Trail Series - Colorado BendUnited States*Round Rock, TX	60km	10:29:50 h	5.716	24/44
2021-08-08	Capt'n Karl's Trail Series - Muleshoe BendUnited States*Round Rock, TX	60km	9:11:28 h	6.528	20/27
2021-08-28	Capt'n Karl's Trail Series - Reveille Peak RanchUnited States*Round Rock, TX	60km	10:53:35 h	5.508	17/25
2021-09-11	Mogollon Monster 100 MileUnited States*Round Rock, TX	106mi	37:40:27 h	4.528	82/88
2021-10-22	Cactus Rose 150 MileUnited States	150mi	2d 09:03:39 h	4.231	5/5
2021-11-06	Screaming Monkey 100 Mile RaceUnited States*Round Rock, TX	100mi	32:05:01 h	5.016	6/8
2021-11-20	Wild Hare 50 Mile RaceUnited States	50mi	13:16:49 h	6.059	23/23
2021-12-03	Tinajas Ultra 100 MilesUnited States	100Miles	33:49:56 h	—	1/1
2022-01-08	Bandera 100 km Endurance RunUnited States*Round Rock, TX	100km	17:05:16 h	5.852	218/311
2022-02-05	Rocky Raccoon 100 Mile Trail RunUnited States*Round Rock, TX	100mi	29:24:24 h	5.473	161/197
2022-02-19	Goodwater Trail Race Double-MarathonUnited States	52mi	12:44:16 h	6.570	7/11
2022-03-05	Dos Senderos Trail - 100kmUnited States*Round Rock, TX	100km	16:04:37 h	6.220	8/12
2022-03-11	J&J Race and Trail Running Reunion 100 Mile RaceUnited States	101mi	32:50:29 h	4.949	6/6
2022-04-23	Shadows of the South 100 mileUnited States*Round Rock, TX	100Miles	34:26:46 h	—	21/37
2022-04-30	Pandora's Box of Rox 50 MileUnited States	52.4mi	13:26:02 h	6.277	10/13
2022-06-25	Capt'n Karl's Trail Series - Pedernales FallsUnited States*Round Rock, TX	60km	9:13:57 h	6.499	33/48
2022-07-16	Capt'n Karl's Trail Series - Muleshoe BendUnited States*Round Rock, TX	60km	10:33:34 h	5.682	21/29
2022-08-06	Capt'n Karl's Trail Series - Colorado BendUnited States*Round Rock, TX	60km	10:16:02 h	5.844	17/27
2022-08-27	Capt'n Karl's Trail Series - Reveille Peak RanchUnited States*Round Rock, TX	60km	11:02:56 h	5.430	33/35
2022-09-17	The Barkley Fall ClassicUnited States*Round Rock, TX	50km	12:38:44 h	3.954	56/108
2022-10-08	Dana Peak Trail RunUnited States*Round Rock, TX	100km	18:38:48 h	5.363	8/16
2022-10-29	Lake Murray 100 Mile Endurance RunUnited States	100mi	30:18:01 h	5.311	13/15
2022-11-06	The Hill Country TriviumUnited States	50km	7:14:31 h	6.904	22/24
2023-01-07	Bandera 100 km Endurance RunUnited States	100km	17:25:30 h	5.739	218/320
2023-01-21	Goodwater Trail Race Double-MarathonUnited States*Round Rock, TX	52mi	14:43:54 h	5.681	4/4
2023-02-04	Rocky Raccoon 100 Mile Trail RunUnited States*Round Rock, TX	100mi	31:34:27 h	5.097	239/248
2023-02-11	Outlaw 100 Oklahoma - 100 Mile RunUnited States*Round Rock, TX	100mi	43:33:30 h	3.695	9/11
2023-03-04	Dos Senderos Trail - 100kmUnited States*Round Rock, TX	100km	20:05:15 h	4.978	10/11
2023-03-10	J&J Race and Trail Running Reunion 50 Mile RaceUnited States*Round Rock, TX	50mi	15:46:03 h	5.103	15/15
2023-04-08	The Zion 100 Mile RunUnited States	100mi	35:11:51 h	4.572	123/124
2023-04-22	Coyote 50 Mile Trail RunUnited States*Round Rock, TX	50mi	15:05:24 h	5.332	14/14
2023-04-29	Pandora's Box of Rox 50 MileUnited States*Round Rock, TX	52.4mi	13:09:45 h	6.407	17/31
2023-05-20	Possums Revenge 69 Mile RaceUnited States*Round Rock, TX	69mi	20:54:00 h	5.313	22/28
2023-06-10	Ricochet's RiotUnited States*Round Rock, TX	50km	8:20:06 h	5.999	31/39
2023-06-17	Fire Trail Running FestivalUnited States*Round Rock, TX	50km	8:01:22 h	6.232	18/23
2023-10-07	Dana Peak Trail RunUnited States	100km	19:33:02 h	5.115	20/25
2023-10-14	South Texas 50km UltraUnited States*Round Rock, TX	50km	6:52:59 h	7.264	21/26
2023-11-11	Rockledge Rumble Trail RunUnited States*Round Rock, TX	50km	7:42:50 h	6.482	39/68
2023-11-18	Big Texas Ultra (Qualifiers Only)United States*Round Rock, TX	100km	16:59:39 h	5.884	6/10
2023-12-02	Isle du Bois Trail RunUnited States*Round Rock, TX	55km	8:39:24 h	6.353	38/42
2024-01-20	Frio Trail Run 50kmUnited States*Round Rock, TX	50km	7:38:43 h	6.540	7/8
2024-03-02	Dos Senderos Trail - 100kmUnited States*Round Rock, TX	100km	19:42:12 h	5.075	13/13
2024-03-09	J&J Race and Trail Running Reunion 50 Mile RaceUnited States*Round Rock, TX	50mi	15:17:54 h	5.260	10/11
2024-04-27	Pandora's Box of Rox 50 MileUnited States	52.4mi	15:29:40 h	5.443	16/18
2024-05-18	Possums Revenge 69 Mile RaceUnited States*Round Rock, TX	69mi	22:17:39 h	4.981	26/34
2024-06-22	Capt'n Karl's Trail Series - Pedernales FallsUnited States	60km	9:52:47 h	6.073	28/45
2024-07-11	Last Annual Vol-State 500K Endurance RunUnited States	500km	9d 01:23:19 h	2.300	58/81
2024-08-03	Capt'n Karl's Trail Series - Colorado BendUnited States	60km	11:40:00 h	5.143	16/17
2024-09-28	Desert WolfUnited States*Round Rock, TX	100km	21:01:57 h	4.755	6/6
2024-10-05	Dana Peak Trail RunUnited States*Round Rock, TX	100km	20:40:32 h	4.837	12/18
2024-10-12	South Texas 50km UltraUnited States*Round Rock, TX	50km	6:45:01 h	7.407	18/38
2024-10-25	Cactus Rose 100 MileUnited States	100mi	39:01:53 h	4.123	17/23
2024-11-16	Big Texas Ultra (Qualifiers Only)United States*Round Rock, TX	100km	18:38:01 h	5.367	9/10
2025-01-11	Bandera 100 km Endurance RunUnited States*Round Rock, TX	100km	22:46:20 h	4.391	221/233
2025-02-08	Outlaw 100 Oklahoma - 100 Mile RunUnited States	100mi	46:46:08 h	3.441	6/6
2025-02-15	Cupid's GauntletUnited States*Round Rock, TX	60km	12:47:39 h	4.690	13/14
2025-03-08	Great Springs Trail Race - AustinUnited States	50km	8:36:50 h	5.805	29/37
2025-04-12	Toughest N’ Texas Trail Runs 50KUnited States*Round Rock, TX	50km	9:42:46 h	5.148	16/19
2025-05-17	Possums Revenge 69 Mile RaceUnited States	69mi	21:33:34 h	5.151	13/19
2025-06-07	Capt'n Karl's Trail Series - Pedernales FallsUnited States	60km	11:45:05 h	5.106	31/33
2025-06-12	The Last Annual Heart of the South Road RaceUnited States*Round Rock, TX	350mi	10d 07:53:16 h	2.272	30/33
2025-06-28	Capt'n Karl's Trail Series - Muleshoe BendUnited States	60km	11:10:03 h	5.373	24/25
2025-07-19	Capt'n Karl's Trail Series - Colorado BendUnited States	60km	11:00:39 h	5.449	16/17
2025-08-09	Capt'n Karl's Trail Series - Reveille Peak RanchUnited States	60km	12:53:09 h	4.656	18/18
2025-09-06	Horse Thief Trail RunUnited States	50km	9:14:34 h	5.410	10/14
2025-09-27	Conquer the Canyon Trail RaceUnited States	100km	18:25:42 h	5.426	2/2
2025-10-04	Dana Peak Trail RunUnited States	100km	20:16:40 h	4.932	8/13
2025-11-08	Rockledge Rumble Trail RunUnited States*Round Rock, TX	50km	8:19:35 h	6.005	53/74
2026-01-31	Running the Rose 108kUnited States	108km	20:05:17 h	5.376	10/10
2026-02-14	Outlaw 100 Oklahoma - 100 Mile RunUnited States*Round Rock, TX	100mi	2d 02:22:01 h	3.195	11/11
2026-02-28	Horse Thief Trail RunUnited States	50km	9:10:51 h	5.446	7/8
2026-04-18	Toughest N’ Texas Trail Runs 50KUnited States*Round Rock, TX	50km	8:30:22 h	5.878	22/27
2026-05-02	Rise Sasquatch ShuffleUnited States*Round Rock, TX	100km	18:37:08 h	5.371	15/17
2026-06-06	Capt'n Karl's Trail Series - Pedernales FallsUnited States	60km	11:57:58 h	5.014	14/14
2026-06-27	Capt'n Karl's Trail Series - Muleshoe BendUnited States	60km	11:31:46 h	5.204	21/22