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BG
Betty Grumbein
FemaleColorado2008–2025
51
Total Finishes
31
Distinct Races
5
States (10%)
2:29:48
PR (11:26/mi)
3:04:55
Average
+0:09:39
Slower (first to last)
Medal House
2010
Divas Half Marathon & 5k
2:29:48
#1823 overall#1822 gender
2010
Rock ‘n’ Roll Denver Marathon & 1/2 Marathon
2:42:26
#7205 overall#4709 gender
2010
Slacker Half Marathon-Relay-4-Mile Races
2:51:06
#991 overall#578 gender
2010
Extraterrestrial Full Moon
2:57:11
#291 overall#147 gender
2010
Rock 'n' Roll New Orleans
2:57:20
#7737 overall#4653 gender
2009
Leading Ladies & Dakota Spirit Marathon
3:01:17
#282 overall#282 gender
2009
Rock 'n' Roll Las Vegas
3:02:22
#14299 overall#8553 gender
2009
St. Jude Rock 'n' Roll Seattle
3:11:52
#13303 overall#9404 gender
2009
Rock 'n' Roll Virgina Beach Half Marathon
3:15:23
#14308 overall#7903 gender
2009
Kaiser Permanente Colfax Marathon
3:23:15
#2189 overall#1335 gender
2009
RunSedona Events
3:46:57
#561 overall#338 gender
2008
2026 - San Antonio Marathon
3:27:04
#15281 overall#9873 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | Slacker Half Marathon-Relay-4-Mile RacesGeorgetown | CO | 3:36:43 | #1270 |
| 2022 | Glacier 5K, 10K & Half MarathonJuneau | AK | 3:05:44 | #18 |
| 2022 | Charlotte Marathon, Half, and 5KCharlotte | NC | 3:08:06 | #2328 |
| 2022 | Slacker Half Marathon-Relay-4-Mile RacesGeorgetown | CO | 3:14:46 | #793 |
| 2021 | Spring Fling Prairie Dog Half, 10k, & 5kArvada | CO | 3:04:29 | #107 |
| 2021 | Colorado 13er (Half Marathon/10k/5k)Louisville | CO | 3:08:56 | #120 |
| 2019 | Platte River Half-Marathon, Relay & 5kLittleton | CO | 2:36:17 | #791 |
| 2019 | Fall EquinoxFort Collins | CO | 2:47:07 | #864 |
| 2019 | Summer Splash Prairie Dog Half, 10k, & 5kCastle Rock | CO | 3:03:06 | #161 |
| 2019 | Prairie Dog Run SeriesLouisville | CO | 3:15:15 | #200 |
| 2018 | OC Marathon - Half Marathon - 5KNewport Beach | CA | 2:36:18 | #3982 |
| 2018 | Grand Teton Half MarathonJackson | WY | 2:37:27 | #924 |
| 2018 | All-Out Beat the HeatWestminster | CO | 2:41:39 | #88 |
| 2018 | Slacker Half Marathon-Relay-4-Mile RacesGeorgetown | CO | 2:42:28 | #834 |
| 2018 | Pioneer Prairie Dog Half, 10k & 5kWestminster | CO | 2:58:28 | #130 |
| 2018 | Ralston Creek Half Marathon & 5KArvada | CO | 3:04:07 | #270 |
| 2017 | Spring Fling Prairie Dog Half, 10k, & 5kArvada | CO | 2:56:29 | #197 |
| 2017 | REVEL Big CottonwoodSalt Lake City | UT | 2:56:50 | #2425 |
| 2017 | Colorado 13er (Half Marathon/10k/5k)Louisville | CO | 3:12:20 | #174 |
| 2017 | Summer Splash Prairie Dog Half, 10k, & 5kCastle Rock | CO | 3:25:46 | #202 |
| 2016 | Spring Fling Prairie Dog Half, 10k, & 5kArvada | CO | 2:59:45 | #244 |
| 2016 | Prairie Dog Run SeriesLouisville | CO | 3:01:40 | #321 |
| 2016 | Pioneer Prairie Dog Half, 10k & 5kWestminster | CO | 3:04:15 | #205 |
| 2016 | Westy Half & 5kWestminster | CO | 3:04:30 | #129 |
| 2016 | Westminster Half Marathon & 5KWestminster | CO | 3:04:31 | #129 |
| 2016 | Rocky Mountain Half Marathon & 5KEstes Park | CO | 3:10:53 | #1357 |
| 2015 | Pioneer Prairie Dog Half, 10k & 5kWestminster | CO | 2:54:03 | #272 |
| 2015 | Rock ‘n’ Roll Denver Marathon & 1/2 MarathonDenver | CO | 2:57:37 | #7194 |
| 2015 | Summer Splash Prairie Dog Half, 10k, & 5kCastle Rock | CO | 3:03:21 | #258 |
| 2014 | Rock ‘n’ Roll Denver Marathon & 1/2 MarathonDenver | CO | 3:33:03 | #7962 |
| 2013 | Kaiser Permanente Colfax MarathonDenver | CO | 3:14:04 | #4942 |
| 2013 | Georgetown to Idaho Springs Half MarathonUnknown | CO | 4:10:42 | #3023 |
| 2012 | Rock ‘n’ Roll Denver Marathon & 1/2 MarathonDenver | CO | 2:57:02 | #7231 |
| 2012 | Slacker Half Marathon-Relay-4-Mile RacesGeorgetown | CO | 3:30:04 | #1286 |
| 2011 | Slacker Half Marathon-Relay-4-Mile RacesGeorgetown | CO | 2:54:05 | #1056 |
| 2011 | Kaiser Permanente Colfax MarathonDenver | CO | 3:00:58 | #3514 |
| 2011 | Rock ‘n’ Roll Denver Marathon & 1/2 MarathonDenver | CO | 3:01:05 | #8097 |
| 2011 | Outer Banks MarathonManteo | NC | 3:06:04 | #2419 |
| 2010 | Divas Half Marathon & 5kWestbury | NY | 2:29:48 | #1823 |
| 2010 | Rock ‘n’ Roll Denver Marathon & 1/2 MarathonDenver | CO | 2:42:26 | #7205 |
| 2010 | Slacker Half Marathon-Relay-4-Mile RacesGeorgetown | CO | 2:51:06 | #991 |
| 2010 | Extraterrestrial Full MoonRachel | NV | 2:57:11 | #291 |
| 2010 | Rock 'n' Roll New OrleansNew Orleans | LA | 2:57:20 | #7737 |
| 2010 | Kaiser Permanente Colfax MarathonDenver | CO | 2:58:20 | #2766 |
| 2010 | Horsetooth Half Marathon - Presented by Fort Collins ConnexionFort Collins | CO | 3:08:26 | #1187 |
| 2009 | Leading Ladies & Dakota Spirit MarathonSpearfish | SD | 3:01:17 | #282 |
| 2009 | Rock 'n' Roll Las VegasLas Vegas | NV | 3:02:22 | #14299 |
| 2009 | St. Jude Rock 'n' Roll SeattleSeattle | WA | 3:11:52 | #13303 |
| 2009 | Rock 'n' Roll Virgina Beach Half MarathonVirginia Beach | VA | 3:15:23 | #14308 |
| 2009 | Kaiser Permanente Colfax MarathonDenver | CO | 3:23:15 | #2189 |
| 2009 | RunSedona EventsSedona | AZ | 3:46:57 | #561 |
| 2008 | 2026 - San Antonio MarathonSan Antonio | TX | 3:27:04 | #15281 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
COColorado
37 racesAKAlaska
1 raceCACalifornia
1 raceUTUtah
1 raceWYWyoming
1 race50-State Challenge
5/ 51 states + DC
46 states to go