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DD
David Demmer
MaleColorado2018–2026
17
Total Finishes
9
Different Races
2
States (4%)
1:38:42
PR (7:32/mi)
2:00:59
Average
-0:04:51
Faster (first to last)
Medal House
2024
HRCA Backcountry Wilderness Half Marathon
2:06:05
#129 overall
2022
All-Out Mardi Crawl
1:38:42
#10 overall#10 gender
2022
HRCA Backcountry Wilderness Half Marathon
1:57:30
#114 overall
2021
HRCA Backcountry Wilderness Half Marathon
1:51:19
#80 overall#68 gender
2020
Snow Mountain Ranch Trail Race
2:20:14
#31 overall#16 gender
2019
Spring Equinox
1:48:18
#90 overall#60 gender
2019
HRCA Backcountry Wilderness Half Marathon
1:58:27
#108 overall#81 gender
2019
Alzheimer's 5K & Half Marathon
2:31:19
#43 overall#23 gender
2019
Hot Cider Hustle - Cedar Rapids
3:03:27
#246 overall#82 gender
2018
The Colorado Marathon
1:50:55
#154 overall#96 gender
2018
Platte River Half-Marathon, Relay & 5k
1:51:57
#187 overall#139 gender
2018
HRCA Backcountry Wilderness Half Marathon
2:05:07
#127 overall#101 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | All-Out Mardi CrawlArvada | CO | 1:46:03 | #14 |
| 2026 | All-Out Mardi CrawlLakewood | CO | 1:46:04 | #14 |
| 2025 | All-Out Mardi CrawlArvada | CO | 1:43:46 | #19 |
| 2025 | All-Out Mardi CrawlLakewood | CO | 1:43:47 | #19 |
| 2025 | HRCA Backcountry Wilderness Half MarathonLone Tree | CO | 2:13:45 | #273 |
| 2024 | HRCA Backcountry Wilderness Half MarathonLone Tree | CO | 2:06:05 | #129 |
| 2022 | All-Out Mardi CrawlLakewood | CO | 1:38:42 | #10 |
| 2022 | HRCA Backcountry Wilderness Half MarathonLone Tree | CO | 1:57:30 | #114 |
| 2021 | HRCA Backcountry Wilderness Half MarathonLone Tree | CO | 1:51:19 | #80 |
| 2020 | Snow Mountain Ranch Trail RaceGranby | CO | 2:20:14 | #31 |
| 2019 | Spring EquinoxWellington | CO | 1:48:18 | #90 |
| 2019 | HRCA Backcountry Wilderness Half MarathonLone Tree | CO | 1:58:27 | #108 |
| 2019 | Alzheimer's 5K & Half MarathonDubuque | IA | 2:31:19 | #43 |
| 2019 | Hot Cider Hustle - Cedar RapidsCedar Rapids | IA | 3:03:27 | #246 |
| 2018 | The Colorado MarathonFort Collins | CO | 1:50:55 | #154 |
| 2018 | Platte River Half-Marathon, Relay & 5kLittleton | CO | 1:51:57 | #187 |
| 2018 | HRCA Backcountry Wilderness Half MarathonLone Tree | CO | 2:05:07 | #127 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
COColorado
15 racesIAIowa
2 races50-State Challenge
2/ 51 states + DC
49 states to go