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Jenifer Williamson

FemaleIllinois20182026

14

Total Finishes

6

Distinct Races

2

States (4%)

2:09:51

PR (9:55/mi)

2:28:20

Average

-0:18:13

Faster (first→last)

Medal House

2025

City of Roses Half Marathon & 5K

Cape Girardeau, MO

2:12:20
#1028 overall#409 gender
roadflat
2025

18th Annual F^3 Lake Half Marathon & 5k

Chicago, IL

2:09:51
#1031 overall#355 gender
roadflat
2024

18th Annual F^3 Lake Half Marathon & 5k

Chicago, IL

2:14:58
#1198 overall#432 gender
roadflat
2024

Naperville Women's Half Marathon and 5K

Naperville, IL

2:16:53
#506 overall#478 gender
roadflat
2023

Naperville Women's Half Marathon and 5K

Naperville, IL

2:28:43
#591 overall#567 gender
roadflat
2022

Naperville Women's Half Marathon and 5K

Naperville, IL

2:34:03
#570 overall#542 gender
roadflat
2022

Naperville Trails Half Marathon & 10K

Wheaton, IL

2:51:08
#409 overall#200 gender
roadflat
2022

Greater St. Louis Marathon

St. Louis, MO

2:36:21
#1977 overall#992 gender
roadflat
2021

Naperville Women's Half Marathon and 5K

Naperville, IL

2:47:03
#422 overall#412 gender
roadflat
2019

Chicago Spring Half Marathon

Chicago, IL

2:47:51
#4270 overall#2240 gender
roadflat
2019

Naperville Women's Half Marathon and 5K

Naperville, IL

2:32:40
#948 overall#932 gender
roadflat
2018

Chicago Spring Half Marathon

Chicago, IL

2:32:37
#3958 overall#2142 gender
roadflat

Performance Timeline

PR 2:09:5120182019201920212022202220222023202420242025202520252026

Complete Race Log

YearRaceStateTimePlace
202618th Annual F^3 Lake Half Marathon & 5kChicagoIL2:14:24#951
2025City of Roses Half Marathon & 5KCape GirardeauMO2:12:20#1028
202518th Annual F^3 Lake Half Marathon & 5kChicagoIL2:09:51#1031
2025Naperville Women's Half Marathon and 5KNapervilleIL2:17:42#527
202418th Annual F^3 Lake Half Marathon & 5kChicagoIL2:14:58#1198
2024Naperville Women's Half Marathon and 5KNapervilleIL2:16:53#506
2023Naperville Women's Half Marathon and 5KNapervilleIL2:28:43#591
2022Naperville Women's Half Marathon and 5KNapervilleIL2:34:03#570
2022Naperville Trails Half Marathon & 10KWheatonIL2:51:08#409
2022Greater St. Louis MarathonSt. LouisMO2:36:21#1977
2021Naperville Women's Half Marathon and 5KNapervilleIL2:47:03#422
2019Chicago Spring Half MarathonChicagoIL2:47:51#4270
2019Naperville Women's Half Marathon and 5KNapervilleIL2:32:40#948
2018Chicago Spring Half MarathonChicagoIL2:32:37#3958

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

ILIllinois
12 races
MOMissouri
2 races

50-State Challenge

2/ 51 states + DC

49 states to go