Harlequins
2014–2016
Appearances
7
Points
0
Kieran Treadwell
LockBlindside Flanker
Nationality
Ireland
Current club
Harlequins
Competition
Premiership Rugby
Age
31
Reported · 2026-11-06
Height
198 cm
Reported · 2026-10-29
Weight
118 kg
Reported · 2026-10-29
Player data & sources
Caps use dated, reviewed snapshots. Measurements require a source; estimates also require a dated basis. Missing facts remain unrecorded while review continues.
- Age: 31 · reported · as of 2026-11-06
- Height: 198 cm · reported · as of 2026-10-29
- Weight: 118 kg · reported · as of 2026-10-29
Career Success
Honours
Ireland international
Ulster centurion
Ireland U20 representative
Career Journey
Club History
London Scottish
2015–2016
Appearances
7
Points
0
Ulster
2016–2025
Appearances
179
Points
35
Harlequins
2025–Present
Appearances
10
Points
10
Career Story
Career Highlights
Began his senior career at Harlequins before developing into an Ulster centurion.
Made nearly 180 appearances during nine seasons in Belfast.
Won 11 Ireland caps after making his Test debut in 2017.
Returned to Harlequins in 2025 as an experienced lineout forward.
Player Profile
Player Summary
Kieran Treadwell is a tall, mobile and experienced second row whose lineout presence and work around the field have been proven across the Premiership, URC and Test rugby.