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MG
Mark Greenfield
MaleWashington2006–2022
55
Total Finishes
29
Distinct Races
11
States (22%)
1:53:46
PR (8:41/mi)
2:20:51
Average
+0:55:51
Slower (first to last)
Medal House
2010
St. Jude Rock 'n' Roll Seattle
2:04:51
#4687 overall#2199 gender
2010
Mercer Island Rotary Half Marathon
2:06:13
#1454 overall#862 gender
2010
Seattle Marathon
2:11:58
#3867 overall#2181 gender
2010
Pittsburgh Marathon Weekend
2:15:05
#3765 overall#1908 gender
2010
Murfreesboro Half Marathon
2:32:36
#1292 overall#736 gender
2009
St. Jude Rock 'n' Roll Seattle
2:03:49
#3963 overall#1874 gender
2009
Maui Marathon and Half Marathon April 26, 2026
2:17:52
#412 overall#197 gender
2009
Murfreesboro Half Marathon
2:50:47
#1337 overall#684 gender
2009
Rock n Roll Nashville
2:53:13
#16354 overall#6963 gender
2008
Maui Marathon and Half Marathon April 26, 2026
2:06:13
#279 overall#149 gender
2007
Seattle Marathon
2:00:01
#1451 overall#1451 gender
2006
Seattle Marathon
2:09:22
#2732 overall#1526 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2022 | IMT Des Moines MarathonDes Moines | IA | 2:35:41 | #1985 |
| 2022 | Good Life HalfsyLincoln | NE | 2:45:28 | #3033 |
| 2022 | EMC DAM to DSMPolk City | IA | 3:05:13 | #2284 |
| 2021 | Yellowstone Half Marathon WeekendWest Yellowstone | MT | 2:38:28 | #1059 |
| 2019 | Labor Day Half MarathonRedmond | WA | 2:10:22 | #418 |
| 2019 | Grand Teton Half MarathonJackson | WY | 2:27:01 | #1011 |
| 2019 | Glacier Half MarathonEast Glacier Park | MT | 2:29:06 | #738 |
| 2019 | Maui Marathon and Half Marathon April 26, 2026Lāhainā | HI | 2:34:25 | #430 |
| 2019 | Fargo Mini MarathonFargo | ND | 2:45:42 | #360 |
| 2019 | Drake Road RacesDes Moines | IA | 2:46:55 | #1213 |
| 2018 | Labor Day Half MarathonRedmond | WA | 2:12:28 | #400 |
| 2018 | St. Jude Rock 'n' Roll SeattleSeattle | WA | 2:16:02 | #3794 |
| 2018 | Salt Lake City MarathonSalt Lake City | UT | 2:18:11 | #1376 |
| 2018 | Seattle MarathonSeattle | WA | 2:21:07 | #2176 |
| 2018 | Mercer Island Rotary Half MarathonMercer Island | WA | 2:22:53 | #980 |
| 2017 | St. Jude Rock 'n' Roll SeattleSeattle | WA | 2:08:07 | #3304 |
| 2017 | Labor Day Half MarathonRedmond | WA | 2:08:51 | #423 |
| 2017 | St. Luke's FitOne 5K/10K/Half MarathonBoise | ID | 2:15:17 | #613 |
| 2017 | Seattle MarathonSeattle | WA | 2:16:46 | #1822 |
| 2016 | St. Jude Rock 'n' Roll SeattleSeattle | WA | 2:08:00 | #3632 |
| 2016 | Garmin Olathe Marathon, Half Marathon and 10K in the land of OzOlathe | KS | 2:34:28 | #1363 |
| 2016 | Rock 'n' Roll Arizona MarathonPhoenix | AZ | 2:38:21 | #7501 |
| 2016 | Russvegas Half Marathon & 5KRussellville | AR | 2:50:05 | #991 |
| 2015 | Rock 'n' Roll Washington DCWashington | DC | 2:00:25 | #4157 |
| 2015 | St. Jude Rock 'n' Roll SeattleSeattle | WA | 2:07:23 | #3385 |
| 2015 | Missoula Marathon Half Marathon 5K Kids MarathonMissoula | MT | 2:12:01 | #1243 |
| 2015 | Seattle MarathonSeattle | WA | 2:12:02 | #2575 |
| 2015 | Maui Marathon and Half Marathon April 26, 2026Lāhainā | HI | 2:13:17 | #294 |
| 2015 | IMT Des Moines MarathonDes Moines | IA | 2:24:53 | #3297 |
| 2015 | Russvegas Half Marathon & 5KRussellville | AR | 2:38:29 | #754 |
| 2015 | Dam to DSMDes Moines | IA | 2:59:27 | #6743 |
| 2014 | Rock 'n' Roll Chicago Half MarathonChicago | IL | 2:02:35 | #3947 |
| 2014 | St. Jude Rock 'n' Roll SeattleSeattle | WA | 2:03:15 | #3025 |
| 2014 | 13.1 Fort LauderdaleFort Lauderdale | FL | 2:03:25 | #565 |
| 2014 | Seattle MarathonSeattle | WA | 2:08:58 | #2368 |
| 2014 | Rock 'n' Roll Half Marathon San FranciscoSan Francisco | CA | 2:11:17 | #3053 |
| 2014 | Russvegas Half Marathon & 5KRussellville | AR | 2:37:51 | #604 |
| 2014 | Dam to DSMDes Moines | IA | 2:40:36 | #6107 |
| 2013 | City of Trees MarathonBoise | ID | 1:53:46 | #135 |
| 2013 | St. Jude Rock 'n' Roll SeattleSeattle | WA | 2:01:14 | #2580 |
| 2013 | 2025 500 Festival Running EventsIndianapolis | IN | 2:01:43 | #7794 |
| 2013 | 13.1 Fort LauderdaleFort Lauderdale | FL | 2:04:45 | #564 |
| 2013 | Seattle MarathonSeattle | WA | 2:05:36 | #2381 |
| 2013 | IMT Des Moines MarathonDes Moines | IA | 2:36:31 | #4176 |
| 2012 | Maui Marathon and Half Marathon April 26, 2026Lāhainā | HI | 1:57:55 | #236 |
| 2012 | Seattle MarathonSeattle | WA | 2:02:04 | #2470 |
| 2012 | Mercer Island Rotary Half MarathonMercer Island | WA | 2:05:01 | #1165 |
| 2012 | St. Jude Rock 'n' Roll SeattleSeattle | WA | 2:07:19 | #4171 |
| 2012 | Flying Pig Pump and RunCincinnati | OH | 2:12:34 | #4022 |
| 2011 | Cleveland Marathon & Half MarathonCleveland | OH | 1:55:33 | #1867 |
| 2011 | St. Jude Rock 'n' Roll SeattleSeattle | WA | 2:07:47 | #5673 |
| 2011 | Maui Marathon and Half Marathon April 26, 2026Lāhainā | HI | 2:10:06 | #394 |
| 2011 | 2025 500 Festival Running EventsIndianapolis | IN | 2:25:34 | #16675 |
| 2010 | St. Jude Rock 'n' Roll SeattleSeattle | WA | 2:04:51 | #4687 |
| 2010 | Mercer Island Rotary Half MarathonMercer Island | WA | 2:06:13 | #1454 |
| 2010 | Seattle MarathonSeattle | WA | 2:11:58 | #3867 |
| 2010 | Pittsburgh Marathon WeekendPittsburgh | PA | 2:15:05 | #3765 |
| 2010 | Murfreesboro Half MarathonMurfreesboro | TN | 2:32:36 | #1292 |
| 2009 | St. Jude Rock 'n' Roll SeattleSeattle | WA | 2:03:49 | #3963 |
| 2009 | Maui Marathon and Half Marathon April 26, 2026Lāhainā | HI | 2:17:52 | #412 |
| 2009 | Murfreesboro Half MarathonMurfreesboro | TN | 2:50:47 | #1337 |
| 2009 | Rock n Roll NashvilleNashville | TN | 2:53:13 | #16354 |
| 2008 | Maui Marathon and Half Marathon April 26, 2026Lāhainā | HI | 2:06:13 | #279 |
| 2007 | Seattle MarathonSeattle | WA | 2:00:01 | #1451 |
| 2006 | Seattle MarathonSeattle | WA | 2:09:22 | #2732 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
WAWashington
25 racesIAIowa
7 racesHIHawaii
6 racesTNTennessee
3 racesIDIdaho
2 racesINIndiana
2 racesOHOhio
2 racesAZArizona
1 raceKSKansas
1 racePAPennsylvania
1 raceALAlabama
0 races50-State Challenge
11/ 51 states + DC
40 states to go