HalfRuns
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William O'Sullivan

MaleIllinois1999–2025

19

Total Finishes

6

Different Races

4

States (8%)

1:38:53

PR (7:33/mi)

1:50:22

Average

-0:03:25

Faster (first to last)

Medal House

2014

Lincoln Memorial Half Marathon

1:38:53
#113 overall#99 gender
2013

Springfield Marathon

1:41:57
#40 overall#30 gender
2013

Lincoln Memorial Half Marathon

1:51:42
#298 overall#219 gender
2012

Lincoln Memorial Half Marathon

1:40:03
#139 overall#116 gender
2012

2025 500 Festival Running Events

1:42:18
#1435 overall#1240 gender
2012

St. Jude Memphis Marathon Weekend

1:55:57
#831 overall#513 gender
2009

2025 500 Festival Running Events

1:42:33
#2349 overall#1997 gender
2009

Lincoln Memorial Half Marathon

1:44:20
#146 overall#123 gender
2009

Rock n Roll Nashville

1:54:22
#1945 overall#1383 gender
2008

Lincoln Memorial Half Marathon

1:43:02
#152 overall#131 gender
2005

Lincoln Memorial Half Marathon

1:48:50
#72 overall#63 gender
1999

Greater Buffalo Track Club Grand Island Half Marathon

1:57:42
#223 overall#183 gender

Performance Timeline

PR 1:38:531999200520082009200920092012201220122013201320142015201720172018201820202023202420252025

Complete Race Log

YearRaceStateTimePlace
2025Lincoln Memorial Half MarathonSpringfieldIL1:51:10#195
202514th Annual Springfield Marathon & Harvest Wind Half Marathon & 10KNew BerlinIL1:54:17#31
2024Lincoln Memorial Half MarathonSpringfieldIL1:55:13#247
2023Lincoln Memorial Half MarathonSpringfieldIL1:54:55#206
2020Lincoln Memorial Half MarathonSpringfieldIL2:07:00#235
2018Lincoln Memorial Half MarathonSpringfieldIL1:49:15#165
2018Springfield MarathonSpringfieldIL1:49:44#22
2017Lincoln Memorial Half MarathonSpringfieldIL1:51:13#238
2017St. Jude Memphis Marathon WeekendMemphisTN1:55:59#1057
2015St. Jude Memphis Marathon WeekendMemphisTN1:52:33#672
2014Lincoln Memorial Half MarathonSpringfieldIL1:38:53#113
2013Springfield MarathonSpringfieldIL1:41:57#40
2013Lincoln Memorial Half MarathonSpringfieldIL1:51:42#298
2012Lincoln Memorial Half MarathonSpringfieldIL1:40:03#139
20122025 500 Festival Running EventsIndianapolisIN1:42:18#1435
2012St. Jude Memphis Marathon WeekendMemphisTN1:55:57#831
20092025 500 Festival Running EventsIndianapolisIN1:42:33#2349
2009Lincoln Memorial Half MarathonSpringfieldIL1:44:20#146
2009Rock n Roll NashvilleNashvilleTN1:54:22#1945
2008Lincoln Memorial Half MarathonSpringfieldIL1:43:02#152
2005Lincoln Memorial Half MarathonSpringfieldIL1:48:50#72
1999Greater Buffalo Track Club Grand Island Half MarathonGrand IslandNY1:57:42#223

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

ILIllinois
15 races
TNTennessee
4 races
INIndiana
2 races
NYNew York
1 race

50-State Challenge

4/ 51 states + DC

47 states to go