MO

Mollie O'Riordan

IRLIRLWomen
Birth date-
Height-
Weight-

Mollie O'Riordan is a Ireland sprinter. She competes primarily in the 400m, 400m and 800m.

Her personal bests include 59.28 in the 400m, 58.55 in the 400m, 2:18.38 in the 800m, 2:21.53 in the 800m-short-track and 2:21.53 in the 800m-short-track. She is currently active on the international athletics circuit, representing Ireland.

Key facts
400 Metres Short Track
58.55
800 m
2:18.38
2026 season best
2:22.63
Feb 25, 2026 · CrossPlex Athletic Facility, Birmingham, AL (USA) (i)
2026 season best
Last competition
Southland Conference Indoor Championships, CrossPlex Athletic Facility, Birmingham, AL (i)
Feb 25, 2026 · 2:22.63
Southland Conference Indoor Championships, CrossPlex Athletic Facility, Birmingham, AL (i)

As of Oct 1, 2026: 400 Metres Short Track 58.55, 800 m 2:18.38, 2026 season best 2:22.63 (Feb 25, 2026, CrossPlex Athletic Facility, Birmingham, AL (USA) (i)) · Last competition: Southland Conference Indoor Championships, CrossPlex Athletic Facility, Birmingham, AL (i), Feb 25, 2026, 2:22.63

PB

Personal bests

59.28
400mi
58.55
2:18.38
800m-short-tracki
2:21.53
800m-short-track
2:21.53
400m-short-track
58.55
400m-short-tracki
58.55

Performance Charts

Season bests

SeasonDisciplineResultWindDateTrendCompetitions
2026
800m-short-tracki
2:22.63-Feb 25, 2026
↓
Southland Conference Indoor Championships, CrossPlex Athletic Facility, Birmingham, AL (i)
2026
800mi
2:22.63-Feb 25, 2026
↓
Southland Conference Indoor Championships, CrossPlex Athletic Facility, Birmingham, AL (i)
2025
400m-short-track
58.55-Mar 30, 2025
↑
National Juveniles Day 2
2025
400mi
58.55-Mar 30, 2025
↑
National Juveniles Day 2
2025
400m-short-tracki
58.55-Mar 30, 2025
↑
National Juveniles Day 2
2025
400m
59.28-May 17, 2025
↑
Munster Schools T&F Championships
2025
800m
2:18.38-May 10, 2025
↓
Belfast Irish milers meet
2025
800m-short-tracki
2:21.53-Mar 29, 2025
↓
National Juveniles Day 1
2025
800m-short-track
2:21.53-Mar 29, 2025
↓
National Juveniles Day 1
2024
400m-short-tracki
60.00-Apr 6, 2024
↑
National Juvenile Championships Day 2
2024
400mi
60.00-Apr 6, 2024
↑
National Juvenile Championships Day 2
2024
400m
60.31-Jun 15, 2024
↑
Munster U14-U19 Track & Field Championships, Regional Sports Centre, Waterford
2023
400mi
60.53-Apr 1, 2023
↑
National Juvenile Championships U18, AIT International Arena, Athlone (i)
2023
400m-short-tracki
60.53-Apr 1, 2023
↑
National Juvenile Championships U18, AIT International Arena, Athlone (i)
2023
400m
60.96-Jul 22, 2023
↑
Irish U18 Outdoor Championships Day 2&3, Tullamore Harriers AC Stadium, Tullamore - U17 Events

2026

1 performance
DisciplineResultWindDateCompetitions
800m-short-tracki
2:22.63-Feb 25Southland Conference Indoor Championships, CrossPlex Athletic Facility, Birmingham, AL (i)

2025

10 performances
DisciplineResultWindDateCompetitions
400m
60.91-Jun 28National Juveniles Day 1 & 2 U20
400m
59.50-May 31All Ireland Schools Track & Field
400m
59.28-May 17Munster Schools T&F Championships
800m
2:18.38-May 10Belfast Irish milers meet
400m-short-track
59.27-Mar 30National Juveniles Day 2
400m-short-track
58.55-Mar 30National Juveniles Day 2
800m-short-track
2:21.53-Mar 29National Juveniles Day 1
400m-short-tracki
61.11-Feb 15Munster U14 to U19 Indoor T&F
400m-short-tracki
59.63-Jan 31Boston University John Thomas Terrier Classic
400m-short-tracki
61.28-Jan 19National Indoor League R2

Honours

No medals

FAQ

Frequently asked questions

What is Mollie O'Riordan's 400 Metres Short Track personal best?

Mollie O'Riordan's 400 Metres Short Track personal best is 58.55, set on Mar 30, 2025 in AIT International Arena, Athlone (IRL).

Which events does Mollie O'Riordan compete in?

Mollie O'Riordan competes in the 400 Metres Short Track and 800 m.

How did Mollie O'Riordan perform in 2026?

2026 season best: 2:22.63, set on Feb 25, 2026 in CrossPlex Athletic Facility, Birmingham, AL (USA) (i). Last competition: Southland Conference Indoor Championships, CrossPlex Athletic Facility, Birmingham, AL (i) on Feb 25, 2026, 2:22.63.