HalfRuns
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Mark Jacobsen

MaleAlaska2001–2026

68

Total Finishes

32

Distinct Races

11

States (22%)

1:33:07

PR (7:06/mi)

2:00:42

Average

+0:20:35

Slower (first to last)

Medal House

2010

Whidbey Island Marathon

1:59:21
#381 overall#230 gender
2010

Mercer Island Rotary Half Marathon

2:02:31
#1270 overall#789 gender
2009

Zombie Half Marathon

1:47:41
#60 overall#45 gender
2009

Rock 'n' Roll Washington DC

1:58:22
#1884 overall#1137 gender
2009

Flying Pig Pump and Run

2:16:28
#3783 overall#2000 gender
2007

Trent Waldron Glacier Half Marathon

1:41:56
#58 overall#48 gender
2007

2026 Anchorage Mayor's Marathon & Half Marathon

1:43:26
#90 overall#70 gender
2006

Trent Waldron Glacier Half Marathon

1:48:59
#92 overall#70 gender
2005

Trent Waldron Glacier Half Marathon

1:33:07
#69 overall#56 gender
2005

2026 Anchorage Mayor's Marathon & Half Marathon

1:38:15
#52 overall#40 gender
2003

2026 Anchorage Mayor's Marathon & Half Marathon

1:33:50
#38 overall#35 gender
2001

Columbia Gorge Marathon and Half

1:53:42
#114 overall#71 gender

Performance Timeline

PR 1:33:07200120032005200520062007200720092009200920102010201020102010201020112011201220122012201220122012201220122012201320132013201320132013201320132014201420142014201420152015201520162016201720172017201720172018201820182019201920192020202120212021202220222022202220232023202320232023202420252025202520252026

Complete Race Log

YearRaceStateTimePlace
2026Town of Celebration Marathon & Half MarathonCelebrationFL2:14:17#773
2025Anchorage RunFestAnchorageAK2:05:29#146
2025Anchorage RunFestAnchorageAK2:05:29#146
2025Spooky Sprint- LansingLansingMI2:26:01#43
2025Spooky Sprint- LansingLansingMI2:26:01#43
2024Hot Cider Hustle - Lansing Half Marathon, 10K & 5KLansingMI2:00:03#102
2023Michigan Monster DashMilfordMI2:01:18#64
2023Michigan Monster DashMilfordMI2:01:19#64
2023Trent Waldron Glacier Half MarathonAnchorageAK2:01:35#98
2023Zombie Half MarathonAnchorageAK2:03:23#164
2023Credit Union Cherry Blossom Ten MileWashingtonDC2:03:53#599
2022Montgomery Half MarathonMontgomeryAL1:49:04#83
2022Trent Waldron Glacier Half MarathonAnchorageAK1:57:56#50
2022Zombie Half MarathonAnchorageAK2:05:05#174
2022Fueled by Fine WineDundeeOR2:17:12#71
2021Trent Waldron Glacier Half MarathonAnchorageAK1:56:31#72
2021Urban Bourbon Half Marathon and 5KLouisvilleKY2:03:36#656
2021Fueled by Fine WineDundeeOR2:07:43#53
2020Fueled by Fine WineDundeeOR2:04:01#55
2019Trent Waldron Glacier Half MarathonAnchorageAK1:59:12#103
2019Huckleberry Half MarathonWelchesOR2:01:32#75
2019Fueled by Fine WineDundeeOR2:14:22#141
2018Coyote HillsFremontCA1:49:45#67
2018Fueled by Fine WineDundeeOR2:05:42#100
2018Rock 'n' Roll Washington DCWashingtonDC2:11:59#5076
2017Trent Waldron Glacier Half MarathonAnchorageAK1:49:27#66
2017Anchorage RunFestAnchorageAK1:51:33#98
2017Livermore Half MarathonLivermoreCA1:55:27#486
2017Rock 'n' Roll Washington DCWashingtonDC2:09:32#5543
2017Fueled by Fine WineDundeeOR2:09:58#131
2016Trent Waldron Glacier Half MarathonAnchorageAK1:49:28#62
2016Rock 'n' Roll Washington DCWashingtonDC2:01:54#4605
2015Rock 'n' Roll Washington DCWashingtonDC2:04:05#4984
2015Fueled by Fine WineDundeeOR2:04:06#181
2015Zombie Half MarathonAnchorageAK2:04:37#300
20142027 Walt Disney World® Marathon WeekendOrlandoFL1:57:42#1468
2014Whidbey Island MarathonOak HarborWA2:04:27#573
2014Everett Half MarathonEverettWA2:04:41#327
2014Snoqualmie Valley HalfCarnationWA2:04:50#240
2014Seattle MarathonSeattleWA2:14:01#2743
20132026 Anchorage Mayor's Marathon & Half MarathonAnchorageAK1:46:23#157
2013Trent Waldron Glacier Half MarathonAnchorageAK1:47:33#97
2013Fueled by Fine WineDundeeOR2:00:52#92
2013Brooks Lake Sammamish Half Marathon presented by REIRedmondWA2:03:33#892
2013Rock 'n' Roll Washington DCWashingtonDC2:03:37#7043
2013Berry Dairy Days RunsBurlingtonWA2:06:07#102
2013Seattle MarathonSeattleWA2:13:54#3164
2013Lost Lake RunSewardAK2:36:41#167
2012Zombie Half MarathonAnchorageAK1:46:44#116
20122026 Anchorage Mayor's Marathon & Half MarathonAnchorageAK1:48:12#151
2012Trent Waldron Glacier Half MarathonAnchorageAK1:49:40#110
2012Fueled by Fine WineDundeeOR1:56:22#121
2012Berry Dairy Days RunsBurlingtonWA1:56:42#66
2012Nookachamps Winter RunsMount VernonWA2:00:09#210
2012Historic Half Training (sponsored by FARC)FredericksburgVA2:00:27#1633
2012Whidbey Island MarathonOak HarborWA2:00:47#340
2012Seattle MarathonSeattleWA2:05:32#2896
2011Trent Waldron Glacier Half MarathonAnchorageAK1:44:43#66
2011Capital City River RunLansingMI2:09:21#923
2010Whidbey Island MarathonOak HarborWA1:59:21#381
2010Mercer Island Rotary Half MarathonMercer IslandWA2:02:31#1270
2010Seattle MarathonSeattleWA2:02:50#2729
2010Zombie Half MarathonAnchorageAK2:03:59#189
2010Rock 'n' Roll Washington DCWashingtonDC2:07:10#3852
2010Strider Half MarathonMilwaukeeWI2:31:25#420
2009Zombie Half MarathonAnchorageAK1:47:41#60
2009Rock 'n' Roll Washington DCWashingtonDC1:58:22#1884
2009Flying Pig Pump and RunCincinnatiOH2:16:28#3783
2007Trent Waldron Glacier Half MarathonAnchorageAK1:41:56#58
20072026 Anchorage Mayor's Marathon & Half MarathonAnchorageAK1:43:26#90
2006Trent Waldron Glacier Half MarathonAnchorageAK1:48:59#92
2005Trent Waldron Glacier Half MarathonAnchorageAK1:33:07#69
20052026 Anchorage Mayor's Marathon & Half MarathonAnchorageAK1:38:15#52
20032026 Anchorage Mayor's Marathon & Half MarathonAnchorageAK1:33:50#38
2001Columbia Gorge Marathon and HalfHood RiverOR1:53:42#114

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

AKAlaska
27 races
WAWashington
14 races
OROregon
11 races
DCDistrict of Columbia
8 races
MIMichigan
6 races
CACalifornia
2 races
FLFlorida
2 races
ALAlabama
1 race
OHOhio
1 race
VAVirginia
1 race
MAMassachusetts
0 races

50-State Challenge

11/ 51 states + DC

40 states to go