HalfRuns
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John Grotenhuis

MaleColorado20102026

12

Total Finishes

11

Different Races

2

States (4%)

1:33:32

PR (7:08/mi)

1:46:26

Average

-0:20:07

Faster (first to last)

Medal House

2026

Bigfoot Half Marathon

1:46:25
#7 overall
2023

Vallecito Lake Heavy Half

1:48:15
#12 overall
2022

Colorado 13er (Half Marathon/10k/5k)

1:33:43
#5 overall
2019

The Long View Marathon

1:34:04
#24 overall#18 gender
2017

Longmont Half & 5k (LM Half)

1:33:32
#10 overall
2017

Louisville Trail Half Marathon

1:33:48
#14 overall#12 gender
2016

Longmont Half & 5k (LM Half)

1:57:23
#67 overall#40 gender
2016

Black Hawk Trail Half Marathon, 10K

2:16:34
#35 overall#30 gender
2013

Erie Half & 5k

1:42:39
#19 overall#17 gender
2011

Minnesota Half Marathon and 5k

1:41:34
#44 overall#37 gender
2011

Lake Minnetonka Half Marathon

1:42:45
#328 overall#259 gender
2010

Pure Water Days Races

2:06:32
#86 overall#53 gender

Performance Timeline

PR 1:33:3220102:06:3220111:41:3420111:42:4520131:42:3920161:57:2320162:16:3420171:33:3220171:33:4820191:34:0420221:33:4320231:48:1520261:46:25

Complete Race Log

YearRaceStateTimePlace
2026Bigfoot Half MarathonEstes ParkCO1:46:25#7
2023Vallecito Lake Heavy HalfBayfieldCO1:48:15#12
2022Colorado 13er (Half Marathon/10k/5k)LouisvilleCO1:33:43#5
2019The Long View MarathonFort CollinsCO1:34:04#24
2017Longmont Half & 5k (LM Half)LongmontCO1:33:32#10
2017Louisville Trail Half MarathonLouisvilleCO1:33:48#14
2016Longmont Half & 5k (LM Half)LongmontCO1:57:23#67
2016Black Hawk Trail Half Marathon, 10KGolden Gate Canyon State ParkCO2:16:34#35
2013Erie Half & 5kErieCO1:42:39#19
2011Minnesota Half Marathon and 5kSaint PaulMN1:41:34#44
2011Lake Minnetonka Half MarathonWayzataMN1:42:45#328
2010Pure Water Days RacesChippewa FallsWI2:06:32#86

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

COColorado
9 races
MNMinnesota
2 races

50-State Challenge

2/ 51 states + DC

49 states to go