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GC
Gregory Costello
MaleCalifornia2002–2026
10
Total Finishes
8
Different Races
4
States (8%)
1:14:09
PR (5:40/mi)
1:29:09
Average
-0:30:16
Faster (first to last)
Medal House
2026
Bay Breeze Half Marathon, 10K and 5K
1:17:44
#1 overall
2025
Urban Cow Half Marathon
1:14:09
#7 overall#7 gender
2025
Oakland Running Festival
1:16:36
#19 overall#19 gender
2024
Alameda Island Running Festival
1:22:59
#2 overall
2024
Alameda Running Festival
1:22:59
#2 overall#2 gender
2022
Providence Marathon
1:16:50
#8 overall#8 gender
2021
Coast Guard Marathon
1:29:50
#75 overall
2004
Carlsbad Marathon
1:51:40
#1058 overall#742 gender
2003
Carlsbad Marathon
1:50:39
#1033 overall#713 gender
2002
Carlsbad Marathon
1:48:00
#953 overall#730 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | Bay Breeze Half Marathon, 10K and 5KSan Leandro | CA | 1:17:44 | #1 |
| 2025 | Urban Cow Half MarathonSacramento | CA | 1:14:09 | #7 |
| 2025 | Oakland Running FestivalOakland | CA | 1:16:36 | #19 |
| 2024 | Alameda Island Running FestivalAlameda | CA | 1:22:59 | #2 |
| 2024 | Alameda Running FestivalAlameda | CA | 1:22:59 | #2 |
| 2022 | Providence MarathonProvidence | RI | 1:16:50 | #8 |
| 2021 | Coast Guard MarathonElizabeth City | NC | 1:29:50 | #75 |
| 2004 | Carlsbad MarathonCarlsbad | CA | 1:51:40 | #1058 |
| 2003 | Carlsbad MarathonCarlsbad | CA | 1:50:39 | #1033 |
| 2002 | Carlsbad MarathonCarlsbad | CA | 1:48:00 | #953 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
CACalifornia
8 racesCTConnecticut
0 racesHIHawaii
0 racesNVNevada
0 races50-State Challenge
4/ 51 states + DC
47 states to go