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JS
James Schalkwyk
MaleCalifornia2019–2025
7
Total Finishes
4
Different Races
1
States (2%)
1:33:48
PR (7:10/mi)
1:42:42
Average
-0:04:38
Faster (first to last)
Medal House
2025
Kaiser Permanente San Francisco Half Marathon & 5K
1:37:18
#375 overall#311 gender
2024
2026 Avenue of the Giants Marathon
1:33:48
#26 overall#24 gender
2024
2026 Lake Chabot Trail Challenge (Half Marathon & 5K)
2:03:04
#30 overall
2022
2026 Avenue of the Giants Marathon
1:34:38
#29 overall#24 gender
2022
Kaiser Permanente San Francisco Half Marathon & 5K
1:37:42
#323 overall#269 gender
2022
Romancing The Island
1:50:25
#5 overall#5 gender
2019
2026 Avenue of the Giants Marathon
1:41:56
#86 overall#68 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | Kaiser Permanente San Francisco Half Marathon & 5KSan Francisco | CA | 1:37:18 | #375 |
| 2024 | 2026 Avenue of the Giants MarathonArcata | CA | 1:33:48 | #26 |
| 2024 | 2026 Lake Chabot Trail Challenge (Half Marathon & 5K)Castro Valley | CA | 2:03:04 | #30 |
| 2022 | 2026 Avenue of the Giants MarathonArcata | CA | 1:34:38 | #29 |
| 2022 | Kaiser Permanente San Francisco Half Marathon & 5KSan Francisco | CA | 1:37:42 | #323 |
| 2022 | Romancing The IslandSan Francisco | CA | 1:50:25 | #5 |
| 2019 | 2026 Avenue of the Giants MarathonArcata | CA | 1:41:56 | #86 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
CACalifornia
7 races50-State Challenge
1/ 51 states + DC
50 states to go