HalfRuns
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Marla Nosan

FemaleColorado20002025

46

Total Finishes

23

Different Races

3

States (6%)

1:53:39

PR (8:41/mi)

2:19:13

Average

+1:01:13

Slower (first to last)

Medal House

2014

Sand Creek Half Marathon

1:57:25
#104 overall#39 gender
2014

Mountain Madness Half Marathon And 10k

2:00:04
#31 overall#10 gender
2013

Slacker Half Marathon-Relay-4-Mile Races

1:53:39
#270 overall#115 gender
2013

Ralston Creek Half Marathon & 5K

1:58:24
#212 overall#91 gender
2013

Sand Creek Half Marathon

2:01:51
#150 overall#59 gender
2011

Platte River Half-Marathon, Relay & 5k

1:55:50
#660 overall#243 gender
2011

That Dam

2:04:46
#82 overall#26 gender
2011

HRCA Backcountry Wilderness Half Marathon

2:17:14
#174 overall#57 gender
2006

Post-News Colorado Colfax Marathon -

2:07:55
#672 overall#250 gender
2006

Slacker Half Marathon-Relay-4-Mile Races

2:23:14
#465 overall#254 gender
2002

Slacker Half Marathon-Relay-4-Mile Races

1:57:23
#262 overall#93 gender
2000

Steamboat Springs Marathon/Half Marathon/10K

1:58:19
#398 overall#178 gender

Performance Timeline

PR 1:53:392000200220062006201120112011201320132013201420142014201420162017201720172017201720182018201820182018201820192019201920192019202120212022202220232023202420242025202520252025

Complete Race Log

YearRaceStateTimePlace
2025Slacker Half Marathon-Relay-4-Mile RacesGeorgetownCO2:12:55#546
2025The Kauai Marathon and Half MarathonPoipu Beach, KauaiHI2:25:52#621
2025Spooky Sprint - DenverLittletonCO2:46:54#67
2025Three Creeks Half MarathonEnglewoodCO2:59:32#206
2024Kaiser Permanente Colfax MarathonDenverCO2:21:46#3102
2024Three Creeks Half MarathonEnglewoodCO2:29:34#179
2023Aspen Valley MarathonAspenCO2:16:37#181
2023Kaiser Permanente Colfax MarathonDenverCO2:39:31#3994
2022Slacker Half Marathon-Relay-4-Mile RacesGeorgetownCO2:11:31#404
2022Kaiser Permanente Colfax MarathonDenverCO2:39:30#2794
2021Slacker Half Marathon-Relay-4-Mile RacesGeorgetownCO2:30:23#573
2021Kaiser Permanente Colfax MarathonDenverCO2:34:10#2813
2019Mountain Madness Half Marathon And 10kSteamboat SpringsCO2:17:30#52
2019Kaiser Permanente Colfax MarathonDenverCO2:28:51#3194
2019Aspen Valley MarathonAspenCO2:28:59#232
2019Three Creeks Half MarathonEnglewoodCO2:45:06#326
2019Slacker Half Marathon-Relay-4-Mile RacesGeorgetownCO3:00:09#765
2018EQUINOX HALF AND 5KSt. LouisMO1:58:52#63
2018Slacker Half Marathon-Relay-4-Mile RacesGeorgetownCO1:59:26#270
2018Mountain Madness Half Marathon And 10kSteamboat SpringsCO2:10:56#45
2018Boulder Backroads MarathonBoulderCO2:14:15#203
2018Aspen Valley MarathonAspenCO2:29:45#191
2018Kaiser Permanente Colfax MarathonDenverCO2:30:15#3302
2017Slacker Half Marathon-Relay-4-Mile RacesGeorgetownCO2:01:48#329
2017Rock ‘n’ Roll Denver Marathon & 1/2 MarathonDenverCO2:14:05#2365
2017DAM U Half Marathon & 5kAuroraCO2:30:59#34
2017Aspen Valley MarathonAspenCO2:31:02#216
2017Aspen Valley MarathonAspenCO2:31:02#216
2016Rocky Mountain Half Marathon & 5KEstes ParkCO2:29:30#7
2014Sand Creek Half MarathonDenverCO1:57:25#104
2014Mountain Madness Half Marathon And 10kSteamboat SpringsCO2:00:04#31
2014All-Out Spring FeverGoldenCO2:00:43#112
2014Spring Fever 5K, 10K & Half Marathon2:00:43#112
2013Slacker Half Marathon-Relay-4-Mile RacesGeorgetownCO1:53:39#270
2013Ralston Creek Half Marathon & 5KArvadaCO1:58:24#212
2013Sand Creek Half MarathonDenverCO2:01:51#150
2011Platte River Half-Marathon, Relay & 5kLittletonCO1:55:50#660
2011That DamDenverCO2:04:46#82
2011HRCA Backcountry Wilderness Half MarathonLone TreeCO2:17:14#174
2006Post-News Colorado Colfax Marathon -2:07:55#672
2006Slacker Half Marathon-Relay-4-Mile RacesGeorgetownCO2:23:14#465
2002Slacker Half Marathon-Relay-4-Mile RacesGeorgetownCO1:57:23#262
2000Steamboat Springs Marathon/Half Marathon/10KSteamboat SpringsCO1:58:19#398

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

COColorado
39 races
MOMissouri
1 race
HIHawaii
1 race

50-State Challenge

3/ 50 states

47 states to go