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BO
Brian O'sullivan
MaleColorado2021–2025
11
Total Finishes
10
Distinct Races
1
States (2%)
1:36:44
PR (7:23/mi)
1:41:42
Average
+0:02:30
Slower (first to last)
Medal House
2025
2026 Chessie Trail Marathon, Half Marathon, 10K, 5K, & 26.2 Relay
1:39:06
#25 overall0
2025
Run Roanoke Results
1:39:06
#25 overall0
2025
2026 Chessie Trail Marathon, Half Marathon, 10K, 5K, & 26.2 Relay
1:39:06
#25 overall#20 gender
2025
Chi Town Half Marathon & 10K
1:39:36
#155 overall#134 gender
2025
Steamboat Springs Marathon/Half Marathon/10K
1:44:57
#72 overall#49 gender
2023
Horsetooth Half Marathon - Presented by Fort Collins Connexion
1:41:47
#224 overall0
2023
Horsetooth Half Marathon - Presented by Fort Collins Connexion
1:41:47
#216 overall#153 gender
2023
HRCA Backcountry Wilderness Half Marathon
1:51:43
#79 overall0
2022
The Toyota Super Half Marathon™& Game Day 5K™
1:36:44
#50 overall#47 gender
2021
Horsetooth Half Marathon - Presented by Fort Collins Connexion
1:42:27
#188 overall0
2021
Horsetooth Half Marathon - Presented by Fort Collins Connexion
1:42:27
#191 overall#141 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | 2026 Chessie Trail Marathon, Half Marathon, 10K, 5K, & 26.2 RelayLexington | VA | 1:39:06 | #25 |
| 2025 | Run Roanoke ResultsRoanoke | VA | 1:39:06 | #25 |
| 2025 | 2026 Chessie Trail Marathon, Half Marathon, 10K, 5K, & 26.2 RelayLexington | VA | 1:39:06 | #25 |
| 2025 | Chi Town Half Marathon & 10KChicago | IL | 1:39:36 | #155 |
| 2025 | Steamboat Springs Marathon/Half Marathon/10KSteamboat Springs | CO | 1:44:57 | #72 |
| 2023 | Horsetooth Half Marathon - Presented by Fort Collins ConnexionFort Collins | CO | 1:41:47 | #224 |
| 2023 | Horsetooth Half Marathon - Presented by Fort Collins ConnexionFort Collins | CO | 1:41:47 | #216 |
| 2023 | HRCA Backcountry Wilderness Half MarathonLone Tree | CO | 1:51:43 | #79 |
| 2022 | The Toyota Super Half Marathon™& Game Day 5K™Colorado Springs | CO | 1:36:44 | #50 |
| 2021 | Horsetooth Half Marathon - Presented by Fort Collins ConnexionFort Collins | CO | 1:42:27 | #188 |
| 2021 | Horsetooth Half Marathon - Presented by Fort Collins ConnexionFort Collins | CO | 1:42:27 | #191 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
COColorado
7 races50-State Challenge
1/ 51 states + DC
50 states to go