HalfRuns
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Mackenzie Callahan

FemaleColorado2017–2025

24

Total Finishes

19

Different Races

3

States (6%)

1:46:41

PR (8:09/mi)

2:17:54

Average

+0:26:49

Slower (first to last)

Medal House

2024

Georgetown to Idaho Springs Half Marathon

1:55:17
#258 overall#105 gender
2023

Colorado Springs Marathon, Half, 5K, and Kids K

2:15:32
#422 overall#186 gender
2023

Kaiser Permanente Colfax Marathon

2:16:30
#2566 overall#1145 gender
2022

Kaiser Permanente Colfax Marathon

2:27:15
#2351 overall#1187 gender
2021

Labor Day Half Marathon

2:24:22
#183 overall
2021

Labor Day Half Marathon, 5K, 10K

2:24:23
#183 overall#82 gender
2021

Boulderthon

2:26:03
#917 overall#454 gender
2021

Ned Ned Run

2:46:13
#108 overall#61 gender
2021

Ned*Ned Half Marathon, 10K, & 5K

2:46:13
#108 overall#61 gender
2019

Eversource Hartford Marathon, Half Marathon, Relay & Charity 5K

2:01:40
#1501 overall#602 gender
2017

Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids Run

2:34:58
#6481 overall#3561 gender
2017

Columbus Marathon

2:34:58
#6481 overall

Performance Timeline

PR 1:46:4120172017201920212021202120212021202220232023202420242024202420242024202420252025202520252025202520252025

Complete Race Log

YearRaceStateTimePlace
2025Georgetown to Idaho Springs Half MarathonUnknownCO1:46:41#155
2025Kaiser Permanente Colfax MarathonDenverCO2:00:12#1832
2025All-Out Summer BreezeArvadaCO2:07:50#34
2025All-Out Summer BreezeArvadaCO2:07:50#34
2025All-Out Spring FeverGoldenCO2:13:20#96
2025St. Pete Run FestSt. PetersburgFL2:13:39#1739
2025July 4th ROCK-IT RunCastle RockCO2:14:51#113
2025Golden Gate Trail RunSausalitoCA3:01:47#103
2024Georgetown to Idaho Springs Half MarathonUnknownCO1:55:17#258
2024Revel RockiesDenverCO2:01:14#642
2024Colorado Springs Marathon, Half, 5K, and Kids KColorado SpringsCO2:09:49#351
2024Kaiser Permanente Colfax MarathonDenverCO2:12:07#2312
2024Capital City Half MarathonColumbusOH2:12:50#2482
2024St. Pete Run FestSt. PetersburgFL2:26:38#1633
2024Rock Canyon Half Marathon- 40th Anniversary Run!PuebloCO2:29:06#325
2023Colorado Springs Marathon, Half, 5K, and Kids KColorado SpringsCO2:15:32#422
2023Kaiser Permanente Colfax MarathonDenverCO2:16:30#2566
2022Kaiser Permanente Colfax MarathonDenverCO2:27:15#2351
2021Labor Day Half MarathonParkerCO2:24:22#183
2021Labor Day Half Marathon, 5K, 10K—2:24:23#183
2021BoulderthonBoulderCO2:26:03#917
2021Ned Ned RunNederlandCO2:46:13#108
2021Ned*Ned Half Marathon, 10K, & 5K—2:46:13#108
2019Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartfordCT2:01:40#1501
2017Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids RunColumbusOH2:34:58#6481
2017Columbus MarathonColumbusOH2:34:58#6481

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

COColorado
17 races
OHOhio
3 races
CTConnecticut
1 race

50-State Challenge

3/ 50 states

47 states to go