Select your language:
Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Bostrom, Leif   Submit Personal Website Send Link 
Club:  
Residence: Pleasanton, CA
Year of birth: 1979 (Cat. german: M45)
Date of birth: 00.00.0000 (Cat. internat.: M45)
Nationality: USA USA United States
RunnerID: 433739
 

19 search results (19 Events, 1331.417 km).  (More)

2025 2 Events, 107.021 km  (More)
16.08.2025 Tamalpa Headlands 50K (USA) 31.5mi
6:51:00 h Bostrom, Leif *Livermore, CA  Overall: 179 M: 124 Cat M45: 16
15.03.2025 Santa Barbara Nine Trails 35 Mile Endurance Run (USA) 35mi
11:32:09 h Bostrom, Leif *Livermore, CA  Overall: 106 M: 79 Cat M45: 4
2022 2 Events, 130.467 km  (More)
05.11.2022 Rio Del Lago 50 km Race (USA) 50km
8:47:09 h Bostrom, Leif *Livermore, CA  Overall: 50 M: 23 Cat M40: 3
02.04.2022 American River 50 Mile Endurance Run (USA) 50mi
12:02:38 h Bostrom, Leif   Overall: 95 M: 66 Cat M40: 11
2019 3 Events, 180.467 km  (More)
14.-15.09.2019 Headlands Hundred 50 Mile Endurance Run (USA) 50mi
11:14:49 h Bostrom, Leif *San Jose, CA  Overall: 12 M: 10 Cat M35: 3
20.07.2019 Pacifica 50 Km Trail Run (USA) 50km
6:36:12 h Bostrom, Leif *San Jose, CA  Overall: 10 M: 9 Cat M35: 1
02.06.2019 Big Basin - Skyline to the Sea 50 Km (USA) 50km
5:04:37 h Bostrom, Leif *San Jose, CA  Overall: 22 M: 20 Cat M35: 5
2018 2 Events, 100 km  (More)
06.10.2018 Skyline to the Sea 50km (USA) 50km
6:15:16 h Bostrom, Leif *San Jose, CA  Overall: 63 M: 45 Cat M35: 11
06.01.2018 Eldrith Gosney’s Pure Ultra (USA) 50km
7:03:37 h Bostrom, Leif *Livermore, CA  Overall: 17 M: 14 Cat M35: 5
2017 1 Event, 100 km  (More)
13.05.2017 Quicksilver 100 km Endurance Run (USA) 100km
14:50:02 h Bostrom, Leif *Livermore, CA  Overall: 100 M: 86 Cat M35: 16
2016 3 Events, 297.888 km  (More)
31.12.2016 New Years One Day 6 Hour Run (USA) 6h
56.487 km Bostrom, Leif *Livermore, CA  Overall: 11 M: 8 Cat M35: 1
05.-06.11.2016 Rio Del Lago 100 Mile Endurance Run (USA) 100mi
26:50:20 h Bostrom, Leif *Livermore, CA  Overall: 120 M: 100 Cat M35: 15
10.-11.09.2016 Headlands Hundred 50 Mile Endurance Run (USA) 50mi
10:51:49 h Bostrom, Leif *Livermore, CA  Overall: 18 M: 17 Cat M35: 4
2015 2 Events, 150 km  (More)
27.12.2015 Woodside Trail Run 50K (USA) 50km
5:39:29 h Bostrom, Leif *Livermore, CA  Overall: 30 M: 27 Cat M35: 8
02.05.2015 Miwok 100k Trail Race (USA) 100km
13:47:00 h Bostrom, Leif *Pleasanton, CA  Overall: 153 M: 124 Cat M35: 26
2014 2 Events, 160.934 km  (More)
13.-14.09.2014 Headlands Hundred 50 Mile Endurance Run (USA) 50mi
12:26:40 h Bostrom, Leif *Pleasanton, CA  Overall: 38 M: 31 Cat M23: 11
05.04.2014 American River 50 Mile Endurance Run (USA) 50mi
10:39:33 h Bostrom, Leif *Pleasanton, CA  Overall: 388 M: 293 Cat M23: 70
2013 2 Events, 104.64 km  (More)
15.06.2013 San Francisco Summer Solstice 6h (USA) 6h
54.640 km Bostrom, Leif *Pleasanton, CA  Overall: 2 M: 2 Cat M23: 1
20.04.2013 Diablo Trails Challenge (USA) 50km
6:23:37 h Bostrom, Leif *Pleasanton  Overall: 37 M: 32 Cat M23: 8

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 2022 2019 2018 2017 2016 2015 2014 2013
6h 56.487  
 
 
 
 
56.487
(1614/55) 		 
 
54.640
(1911/87)

Comparison table

Comparison of performances in races with multiple participations

   2025 2022 2019 2018 2017 2016 2015 2014 2013
Headlands Hundred 50 Mile Endurance Run 3     11:14:49     10:51:49   12:26:40  
American River 50 Mile Endurance Run 2   12:02:38           10:39:33