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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Nielsen, Theresa   Submit Personal Website Send Link 
Club:  
Residence: Whitehorse
Year of birth: 1986 (Cat. german: W40)
Date of birth: 00.00.0000 (Cat. internat.: W35)
Nationality: CAN CAN Canada
RunnerID: 338965
 

27 search results (27 Events, 3720.467 km).  (More)

2025 1 Event, 193.121 km  (More)
08.-10.08.2025 Fat Dog 120 Mile Trail Race (CAN) 120mi
45:32:11 h Nielsen, Theresa *Calgary, AB  Overall: 47 F: 12 Cat W35: 4
2024 1 Event, 78.053 km  (More)
25.05.2024 Selkirk Slacker 8hr Ultra Trail (CAN) 8h
78.053 km Nielsen, Theresa *Calgary, AB  Overall: 2 F: 1 Cat W35: 1
2022 4 Events, 1200.568 km  (More)
07.-11.10.2022 Moab 240 Endurance Run (USA) 238mi
3d 19:58:28 h Nielsen, Theresa *Whitehorse  Overall: 43 F: 6 Cat W35: 1
12.-13.08.2022 Bigfoot 200 Endurance Run (USA) 206mi
3d 13:28:19 h Nielsen, Theresa *Whitehorse, YT  Overall: 36 F: 5 Cat W35: 2
17.-21.06.2022 Tahoe 200 Mile Endurance Run (USA) 202mi
3d 11:42:14 h Nielsen, Theresa *Whitehorse, YT  Overall: 48 F: 7 Cat W35: 2
15.-16.01.2022 HURT 100 Endurance Run 100 Mile (USA) 100mi
34:52:21 h Nielsen, Theresa *Whitehorse, YT  Overall: 35 F: 7 Cat W35: 3
2021 1 Event, 80.467 km  (More)
27.06.2021 Reckless Raven 50 Mile Ultra (CAN) 50mi
12:49:28 h Nielsen, Theresa   Overall: 11 F: 4 Cat W23: 2
2019 3 Events, 575.934 km  (More)
14.-15.09.2019 Pine to Palm 100 Mile Endurance Run (USA) 100mi
28:23:10 h Nielsen, Theresa   Overall: 39 F: 5 Cat W23: 4
20.-24.05.2019 Dragon's Back Race (GBR) 315km/5stages
3d 01:29:32 h Nielsen, Theresa   Overall: 237 F: 28 Cat W23: 6
12.04.2019 The Zion 100 km Run (USA) 100km
16:31:39 h Nielsen, Theresa *Canmore, AB  Overall: 173 F: 60 Cat W23: 22
2018 4 Events, 421.868 km  (More)
07.-08.09.2018 Lost Soul Ultra 100 km Race (CAN) 100km
15:52:54 h Nielsen, Theresa *Canmore, AB  Overall: 26 F: 8 Cat W23: 4
18.08.2018 Iron Legs 50 Mile Mountain Race (CAN) 50mi
14:20:57 h Nielsen, Theresa *Canmore, AB  Overall: 11 F: 4 Cat W23: 2
23.-24.06.2018 Black Hills 50 Mile Run (USA) 50mi
11:57:04 h Nielsen, Theresa *Calgary, AB  Overall: 20 F: 6 Cat W23: 3
13.-14.01.2018 HURT 100 Endurance Run 100 Mile (USA) 100mi
35:26:38 h Nielsen, Theresa *Calgary, AB  Overall: 65 F: 18 Cat W23: 8
2017 3 Events, 280.467 km  (More)
30.09.-01.10.2017 Iron Horse Ultra 100 km Race (CAN) 100km
13:00:45 h Nielsen, Theresa   Overall: 4 F: 1 Cat W23: 1
08.-09.09.2017 Lost Soul Ultra 100 km Race (CAN) 100km
15:07:19 h Nielsen, Theresa *Calgary, AB  Overall: 11 F: 4 Cat W23: 3
27.05.2017 Blackfoot Ultra 50 Mile (CAN) 50mi
9:35:41 h Nielsen, Theresa *Calgary, AB  Overall: 14 F: 4 Cat W23: 3
2016 1 Event, 160.934 km  (More)
09.-10.07.2016 Sinister 7 Ultra (CAN) 100mi
27:21:06 h Nielsen, Theresa   Overall: 34 F: 8 Cat W23: 4
2015 2 Events, 273.588 km  (More)
11.-12.09.2015 Lost Soul Ultra 100 Mile Race (CAN) 100mi
32:53:38 h Nielsen, Theresa *Calgary, AB  Overall: 22 F: 8 Cat W23: 3
15.-16.08.2015 Fat Dog 70 Mile Trail Race (CAN) 70mi
22:44:25 h Nielsen, Theresa *Calgary, AB  Overall: 31 F: 8 Cat W23: 4
2014 1 Event, 50 km  (More)
01.06.2014 Calgary Marathon 50km Ultra (CAN) 50km
5:43:24 h Nielsen, Theresa *Calgary, AB  Overall: 348 F: 113 Cat W23: 12
2013 3 Events, 225 km  (More)
13.10.2013 Grizzly Ultra Marathon (CAN) 50km
7:41:25 h Nielsen, Theresa *Calgary  Overall: 192 F: 63 Cat W23: 19
03.-04.08.2013 Canadian Death Race (CAN) 125km
22:20:30 h Nielsen, Theresa *Calgary  Overall: 92 F: 12 Cat W23: 6
25.05.2013 Blackfoot Ultra 50 Km (CAN) 50km
5:54:08 h Nielsen, Theresa   Overall: 33 F: 10 Cat W23: 4
2012 3 Events, 180.467 km  (More)
07.10.2012 Grizzly Ultra Marathon (CAN) 50km
6:10:16 h Nielsen, Theresa   Overall: 63 F: 18 Cat W23: 6
18.08.2012 Iron Legs 50 Mile Mountain Race (CAN) 50mi
12:20:19 h Nielsen, Theresa *Calgary, AB  Overall: 41 F: 10 Cat W23: 6
24.06.2012 Rundle’s Revenge - Mountain Mule Trail Run (CAN) 50km
6:45:18 h Nielsen, Theresa   Overall: 32 F: 8 Cat W23: 3

Personal bests

Your list of personal best performances only contains performances of races which can be included into rankings.

In brackets rank in yearly international/national rankings.

 PB 2025 2024 2022 2021 2019 2018 2017 2016 2015 2014 2013 2012

Comparison table

Comparison of performances in races with multiple participations

   2025 2024 2022 2021 2019 2018 2017 2016 2015 2014 2013 2012
Grizzly Ultra Marathon 2                     7:41:25 6:10:16
Iron Legs 50 Mile Mountain Race 2           14:20:57           12:20:19
HURT 100 Endurance Run 100 Mile 2     34:52:21     35:26:38            
Lost Soul Ultra 100 km Race 2           15:52:54 15:07:19