Kei Tsuboi
Biography
Kei Tsuboi is a runner with running results recorded on ATHRECS. The recorded nationality is Japan. Published performances include Marathon and 5 kilometres. A recorded Marathon performance is 2 hours, 22 minutes and 19 seconds (timing unknown) at Nike Melbourne Marathon Festival on 11 October 2026.
Kei Tsuboi's published record includes performances from 2025 to 2026 in Marathon, 5K. Selected recorded events include Kobe Marathon (2025; source checked); Nike Melbourne Marathon Festival (2026; source checked); ADIZERO 5K Tokyo Challenge (2026; source checked).
Source-checked results include 3rd in the gender classification over Marathon at Cairns Marathon Festival - Marathon (2026-07-12).
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.
First recorded 5K
First matching distance in your linked results; earlier unlinked history may exist.
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
1 more finish needed
4 of 5 recorded
5 marathons
2 more marathons needed
3 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
1 more calendar year with a finish needed
2 of 3 recorded
Career highlights
Kei Tsuboi's published record includes performances from 2025 to 2026 in Marathon, 5K.
Selected events from this athlete’s recorded career. Verification is shown for each record.
2025 · Marathon
Source checkedNike Melbourne Marathon Festival
2026 · Marathon
Source checked2026 · 5K
Source checkedCairns Marathon Festival - Marathon
2026 · Marathon
Source checked
Latest results
Showing 4 of 4 recorded performances.
| Race date | Race name | Sport | Distance / discipline | Location | Performance | Place | Category |
|---|---|---|---|---|---|---|---|
| Sun, 11 Oct 2026 | Completed event · Finisher · Nike Melbourne Marathon Festival | Running | MarathonRoad | Melbourne | 2:22:19VerifiedTiming unknown | — | — |
| Sun, 27 Sept 2026 | Completed event · Finisher · ADIZERO 5K Tokyo Challenge | Running | 5KRoad | Meijijingu Gaien area, Tokyo | 15:08VerifiedTiming unknown | — | — |
| Sun, 12 Jul 2026 | Completed event · Finisher · Cairns Marathon Festival - Marathon | Running | MarathonRoad | Esplanade, Cairns | 2:36:49VerifiedTiming unknown | —Completed event · Bronze · 3rd · Men’s race · Gender · 3rd | — |
| Sun, 16 Nov 2025 | Completed event · Finisher · Kobe Marathon | Running | MarathonRoad | Kobe | 2:24:31VerifiedTiming unknown | — | — |
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