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GB
Guillermo Barreto
MaleNew York1996–2026
38
Total Finishes
18
Different Races
4
States (8%)
1:39:06
PR (7:34/mi)
1:58:27
Average
+0:36:47
Slower (first to last)
Medal House
2016
United Airlines NYC Half
1:39:06
#2223 overall#1761 gender
2015
Less Popular Brooklyn Half Marathon
1:47:43
#5524 overall#4079 gender
2014
Life Time Miami Marathon & Half
2:20:36
#6893 overall#4194 gender
2013
Palm Desert 1/2 Marathon & 5K
1:46:38
#182 overall#140 gender
2013
Rock 'n' Roll Los Angeles Half Marathon
1:55:14
#1172 overall#882 gender
2012
Palm Desert 1/2 Marathon & 5K
1:50:16
#262 overall#196 gender
2012
Rock 'n' Roll Los Angeles Half Marathon
1:51:00
#956 overall#767 gender
2011
Palm Desert 1/2 Marathon & 5K
1:55:49
#391 overall#272 gender
2011
Pasadena Half Marathon & 5K
1:59:00
#540 overall#380 gender
2011
Pasadena Marathon
1:59:00
#540 overall#381 gender
2007
Disneyland Half Marathon Weekend
2:37:05
#4686 overall#2458 gender
1996
Eversource Hartford Marathon, Half Marathon, Relay & Charity 5K
1:40:08
#267 overall#237 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | 2027 Publix Fort Lauderdale A1A Marathon, Half Marathon, 6K & Kids of Love Run, & Celsius 5k Presented by ColavitaFort Lauderdale | FL | 2:06:51 | #1294 |
| 2026 | Life Time Miami Marathon & HalfMiami | FL | 2:16:55 | #6641 |
| 2025 | Life Time 305 Half Marathon and 5K Presented by Baptist HealthMiami Beach | FL | 1:54:39 | #697 |
| 2025 | 2027 Publix Fort Lauderdale A1A Marathon, Half Marathon, 6K & Kids of Love Run, & Celsius 5k Presented by ColavitaFort Lauderdale | FL | 1:57:53 | #715 |
| 2025 | The 20th Annual Liquid Youth Fort Lauderdale Running FestivalFort Lauderdale | FL | 2:00:45 | #138 |
| 2025 | St. Pete Run FestSt. Petersburg | FL | 2:08:39 | #1495 |
| 2024 | Life Time 305 Half Marathon and 5K Presented by Baptist HealthMiami Beach | FL | 2:00:48 | #565 |
| 2024 | 2027 Publix Fort Lauderdale A1A Marathon, Half Marathon, 6K & Kids of Love Run, & Celsius 5k Presented by ColavitaFort Lauderdale | FL | 2:02:01 | #949 |
| 2024 | St. Pete Run FestSt. Petersburg | FL | 2:07:00 | #949 |
| 2023 | 2026 Miami Beach Halloween Half Marathon & Freaky 4-MilerMiami Beach | FL | 1:57:54 | #176 |
| 2023 | The 20th Annual Liquid Youth Fort Lauderdale Running FestivalFort Lauderdale | FL | 2:02:30 | #127 |
| 2022 | 2026 Miami Beach Halloween Half Marathon & Freaky 4-MilerMiami Beach | FL | 1:54:18 | #135 |
| 2021 | 2026 Miami Beach Halloween Half Marathon & Freaky 4-MilerMiami Beach | FL | 1:58:28 | #119 |
| 2021 | Less Popular Brooklyn Half MarathonBrooklyn | NY | 2:10:39 | #4030 |
| 2020 | NYRR Fred Lebow Half MarathonNew York | NY | 1:59:22 | #2295 |
| 2020 | Life Time 305 Half Marathon and 5K Presented by Baptist HealthMiami Beach | FL | 2:07:31 | #900 |
| 2020 | Less Popular Brooklyn Half MarathonBrooklyn | NY | 2:07:50 | #4460 |
| 2019 | Less Popular Brooklyn Half MarathonBrooklyn | NY | 1:44:55 | #4960 |
| 2019 | United Airlines NYC HalfNew York | NY | 1:46:26 | #4855 |
| 2019 | NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklyn | NY | 1:47:58 | #972 |
| 2019 | Life Time 305 Half Marathon and 5K Presented by Baptist HealthMiami Beach | FL | 1:51:35 | #234 |
| 2019 | 2026 Miami Beach Halloween Half Marathon & Freaky 4-MilerMiami Beach | FL | 1:51:52 | #78 |
| 2019 | Sleepy Hollow Half MarathonSleepy Hollow | NY | 1:55:21 | #297 |
| 2019 | NYRR Virtual Halfway There 13.1MAnywhere | NY | 2:08:02 | #2682 |
| 2018 | Less Popular Brooklyn Half MarathonBrooklyn | NY | 1:47:14 | #5637 |
| 2018 | Sleepy Hollow Half MarathonSleepy Hollow | NY | 1:58:26 | #316 |
| 2017 | Less Popular Brooklyn Half MarathonBrooklyn | NY | 1:44:29 | #4800 |
| 2016 | United Airlines NYC HalfNew York | NY | 1:39:06 | #2223 |
| 2015 | Less Popular Brooklyn Half MarathonBrooklyn | NY | 1:47:43 | #5524 |
| 2014 | Life Time Miami Marathon & HalfMiami | FL | 2:20:36 | #6893 |
| 2013 | Palm Desert 1/2 Marathon & 5KPalm Desert | CA | 1:46:38 | #182 |
| 2013 | Rock 'n' Roll Los Angeles Half MarathonLos Angeles | CA | 1:55:14 | #1172 |
| 2012 | Palm Desert 1/2 Marathon & 5KPalm Desert | CA | 1:50:16 | #262 |
| 2012 | Rock 'n' Roll Los Angeles Half MarathonLos Angeles | CA | 1:51:00 | #956 |
| 2011 | Palm Desert 1/2 Marathon & 5KPalm Desert | CA | 1:55:49 | #391 |
| 2011 | Pasadena Half Marathon & 5KPasadena | CA | 1:59:00 | #540 |
| 2011 | Pasadena Marathon | — | 1:59:00 | #540 |
| 2007 | Disneyland Half Marathon WeekendAnaheim | CA | 2:37:05 | #4686 |
| 1996 | Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartford | CT | 1:40:08 | #267 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
FLFlorida
17 racesNYNew York
13 racesCACalifornia
7 racesCTConnecticut
1 race50-State Challenge
4/ 50 states
46 states to go