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JJ
Jennifer Jansonius
FemaleColorado2014–2026
61
Total Finishes
34
Distinct Races
3
States (6%)
2:02:57
PR (9:23/mi)
2:43:19
Average
-0:46:08
Faster (first to last)
Medal House
2016
Georgetown to Idaho Springs Half Marathon
2:02:57
#469 overall#198 gender
2016
Spring Equinox
2:05:02
#130 overall#66 gender
2016
Grand Teton Half Marathon
2:06:39
#600 overall#310 gender
2016
Star Wars Half Marathon - The Dark Side
2:08:01
#1980 overall#533 gender
2015
Rock ‘n’ Roll Denver Marathon & 1/2 Marathon
2:08:27
#3076 overall#1506 gender
2015
All-Out Fa La La
2:12:52
#241 overall#136 gender
2015
Rocky Mountain Half Marathon & 5K
2:16:07
#481 overall#225 gender
2015
Spring Fling Prairie Dog Half, 10k, & 5k
2:23:32
#220 overall#118 gender
2015
Rock 'n' Roll Half Marathon San Francisco
2:50:26
#5600 overall#3026 gender
2015
Rock 'n' Roll Las Vegas
2:58:34
#17045 overall#9751 gender
2014
Pioneer Prairie Dog Half, 10k & 5k
3:29:38
#251 overall#163 gender
2014
Rock ‘n’ Roll Denver Marathon & 1/2 Marathon
3:32:22
#7948 overall#5121 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | All-Out Mardi CrawlArvada | CO | 2:23:18 | #56 |
| 2026 | All-Out Mardi CrawlLakewood | CO | 2:23:18 | #56 |
| 2026 | Time to Paddy 5k/10k & Lucky 13.1 - DenverWestminster | CO | 2:29:32 | #61 |
| 2026 | The Toyota Super Half Marathon™& Game Day 5K™Colorado Springs | CO | 2:37:49 | #387 |
| 2026 | Spring EquinoxWellington | CO | 2:43:30 | #286 |
| 2025 | Spring EquinoxWellington | CO | 2:13:57 | #195 |
| 2025 | Spring Fling Prairie Dog Half, 10k, & 5kArvada | CO | 2:20:41 | #39 |
| 2025 | All-Out Fa La LaWestminster | CO | 2:24:17 | #152 |
| 2025 | Rocky Mountain Half Marathon & 5KEstes Park | CO | 2:28:55 | #480 |
| 2024 | Georgetown to Idaho Springs Half MarathonUnknown | CO | 2:12:45 | #544 |
| 2024 | Time to Paddy 5k/10k & Lucky 13.1 - Colorado SpringsColorado Springs | CO | 2:18:52 | #77 |
| 2024 | All-Out Polar ProwlArvada | CO | 2:21:02 | #69 |
| 2024 | All-Out Polar ProwlArvada | CO | 2:21:02 | #69 |
| 2024 | All-Out RunapaloozaArvada | CO | 2:24:53 | #53 |
| 2024 | RunapaloozaArvada | CO | 2:24:53 | #53 |
| 2024 | Ralston Creek Half Marathon & 5KArvada | CO | 2:26:25 | #130 |
| 2024 | HRCA Backcountry Wilderness Half MarathonLone Tree | CO | 2:45:25 | #365 |
| 2024 | Black Squirrel Half MarathonBellvue | CO | 3:36:23 | #245 |
| 2024 | Pikes Peak AscentManitou Springs | CO | 5:58:25 | #1345 |
| 2023 | The Toyota Super Half Marathon™& Game Day 5K™Colorado Springs | CO | 2:18:28 | #352 |
| 2023 | All-Out Fa La LaWestminster | CO | 2:19:49 | #172 |
| 2023 | All-Out Mardi CrawlArvada | CO | 2:27:43 | #81 |
| 2023 | All-Out Mardi CrawlLakewood | CO | 2:27:44 | #79 |
| 2022 | The Toyota Super Half Marathon™& Game Day 5K™Colorado Springs | CO | 2:11:12 | #331 |
| 2022 | Prairie Dog Run SeriesLouisville | CO | 2:18:46 | #102 |
| 2022 | Erie Half & 5kErie | CO | 2:19:31 | #64 |
| 2022 | Colorado 13er (Half Marathon/10k/5k)Louisville | CO | 2:20:29 | #57 |
| 2021 | Canyonlands Half MarathonMoab | UT | 2:05:29 | #117 |
| 2021 | Georgetown to Idaho Springs Half MarathonUnknown | CO | 2:08:24 | #340 |
| 2021 | Horsetooth Half Marathon - Presented by Fort Collins ConnexionFort Collins | CO | 2:12:33 | #957 |
| 2021 | Spring Fling Prairie Dog Half, 10k, & 5kArvada | CO | 2:23:10 | #76 |
| 2021 | Pikes Peak AscentManitou Springs | CO | 5:56:37 | #1136 |
| 2020 | Arches Half MarathonMoab | UT | 2:22:18 | #110 |
| 2020 | HRCA Backcountry Wilderness Half MarathonLone Tree | CO | 2:46:26 | #288 |
| 2019 | Spring EquinoxWellington | CO | 2:26:39 | #285 |
| 2019 | Run SAN DIEGO 5K/10K/13.1San Diego | CA | 2:32:39 | #609 |
| 2019 | HRCA Backcountry Wilderness Half MarathonLone Tree | CO | 2:49:21 | #460 |
| 2019 | Pikes Peak AscentManitou Springs | CO | 6:12:58 | #1444 |
| 2018 | Dallas Marathon WeekendDallas | TX | 2:16:51 | #3098 |
| 2018 | The Toyota Super Half Marathon™& Game Day 5K™Colorado Springs | CO | 2:25:11 | #548 |
| 2018 | All-Out Spring FeverGolden | CO | 2:27:04 | #112 |
| 2018 | Rock 'n' Roll Las VegasLas Vegas | NV | 2:28:49 | #7417 |
| 2018 | Pikes Peak AscentManitou Springs | CO | 2:42:45 | #1517 |
| 2018 | Ralston Creek Half Marathon & 5KArvada | CO | 2:55:11 | #256 |
| 2017 | Canyonlands Half MarathonMoab | UT | 2:25:49 | #1116 |
| 2017 | The Toyota Super Half Marathon™& Game Day 5K™Colorado Springs | CO | 2:57:51 | #590 |
| 2017 | Colorado Springs Marathon, Half, 5K, and Kids KColorado Springs | CO | 3:00:53 | #477 |
| 2017 | Rocky Mountain Half Marathon & 5KEstes Park | CO | 3:47:49 | #996 |
| 2016 | Georgetown to Idaho Springs Half MarathonUnknown | CO | 2:02:57 | #469 |
| 2016 | Spring EquinoxWellington | CO | 2:05:02 | #130 |
| 2016 | Grand Teton Half MarathonJackson | WY | 2:06:39 | #600 |
| 2016 | Star Wars Half Marathon - The Dark SideLake Buena Vista | FL | 2:08:01 | #1980 |
| 2016 | Cocoa Beach Half MarathonCocoa Beach | FL | 2:23:48 | #514 |
| 2016 | Rocky Mountain Half Marathon & 5KEstes Park | CO | 2:47:27 | #1087 |
| 2016 | All-Out Fa La LaWestminster | CO | 3:11:19 | #299 |
| 2016 | 2026 Disney Wine & Dine Half Marathon WeekendOrlando | FL | 3:57:10 | #12597 |
| 2015 | Rock ‘n’ Roll Denver Marathon & 1/2 MarathonDenver | CO | 2:08:27 | #3076 |
| 2015 | All-Out Fa La LaWestminster | CO | 2:12:52 | #241 |
| 2015 | Rocky Mountain Half Marathon & 5KEstes Park | CO | 2:16:07 | #481 |
| 2015 | Spring Fling Prairie Dog Half, 10k, & 5kArvada | CO | 2:23:32 | #220 |
| 2015 | Rock 'n' Roll Half Marathon San FranciscoSan Francisco | CA | 2:50:26 | #5600 |
| 2015 | Rock 'n' Roll Las VegasLas Vegas | NV | 2:58:34 | #17045 |
| 2014 | Pioneer Prairie Dog Half, 10k & 5kWestminster | CO | 3:29:38 | #251 |
| 2014 | Rock ‘n’ Roll Denver Marathon & 1/2 MarathonDenver | CO | 3:32:22 | #7948 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
COColorado
52 racesFLFlorida
3 racesUTUtah
3 races50-State Challenge
3/ 51 states + DC
48 states to go