Kosei Shiraishi
Biography
Kosei Shiraishi is a runner with running results recorded on ATHRECS. The recorded nationality is Japan. Published performances include Marathon. A recorded Marathon performance is 2 hours and 15 minutes (timing unknown) at TCS Sydney Marathon Presented by ASICS on 30 August 2026.
Kosei Shiraishi's published record includes performances in 2026 in Marathon. Selected recorded events include Osaka Marathon (2026; source checked); TCS Sydney Marathon Presented by ASICS (2026; source checked).
Achievements & next milestones
Based on eligible results linked to this profile. Missing results can change these totals.
Achieved
First recorded finish
Based on 1 distinct completed events in your linked record.
First recorded marathon
Based on 1 distinct completed events in your linked record.
2 countries raced
One completed event in each different country; UK home nations count together.
PB improved
A faster result after an earlier performance in the same sport, distance, surface and timing category.
Next milestones
5 finishes
3 more finishes needed
2 of 5 recorded
5 marathons
3 more marathons needed
2 of 5 recorded
5 different countries
3 more different countries needed
2 of 5 recorded
2 different sports
1 more different sport needed
1 of 2 recorded
3 calendar years with a finish
2 more calendar years with a finish needed
1 of 3 recorded
Career highlights
Kosei Shiraishi's published record includes performances in 2026 in Marathon.
Selected events from this athlete’s recorded career. Verification is shown for each record.
2026 · Marathon
Source checkedTCS Sydney Marathon Presented by ASICS
2026 · Marathon
Source checked
Latest results
Showing 2 of 2 recorded performances.
| Race date | Race name | Sport | Distance / discipline | Location | Performance | Place | Category |
|---|---|---|---|---|---|---|---|
| Sun, 30 Aug 2026 | Completed event · Finisher · TCS Sydney Marathon Presented by ASICS | Running | MarathonRoad | Sydney | 2:15:00VerifiedTiming unknown | — | — |
| Sun, 22 Feb 2026 | Completed event · Finisher · Osaka Marathon | Running | MarathonRoad | Osaka | 2:18:13VerifiedTiming unknown | — | — |
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