Isla TERRILL

United StatesUnited StatesActive
Events
800 m · Mile

Isla TERRILL is a United States middle-distance runner. She competes primarily in the 800m, 1500m and Mile.

Her personal bests include 2:11.30 in the 800m, 4:44.96 in the 1500m, 4:55.12 in the Mile and 10:19.01 in the 3000m. She is currently active on the international athletics circuit, representing United States.

Personal best · 800 m2:11.30
2026 season best2:11.30Mar 28, 2026 · JSerra Catholic HS, San Juan Capistrano, CA
2026 season best
Personal best · Mile4:55.12
Last competitionThe TENMar 28, 2026 · 2:11.30
The TEN

As of Nov 14, 2026: 800 m 2:11.30, Mile 4:55.12, 2026 season best 2:11.30 (Mar 28, 2026, JSerra Catholic HS, San Juan Capistrano, CA (USA)) · Last competition: The TEN, Mar 28, 2026, 2:11.30

Personal bests

WA points calculator →
DisciplineResultAll-time
800mCA 2026United States 800 m all-time list2:11.30969 pts–
1500mCA 2024United States 1500 m all-time list4:44.96872 pts–
MileCA 2025United States Mile all-time list4:55.12945 pts–
3000mCA 2024United States 3000 m all-time list10:19.01857 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2026800m 2:11.30–Mar 28, 2026The TEN
2025800m 2:13.48–Apr 19, 2025Mt. SAC Relays, Hilmer Lodge Stadium, Walnut, CA - Invitational Events
2025Mile 4:55.12–Apr 18, 2025Mt. SAC Relays, Hilmer Lodge Stadium, Walnut, CA - Invitational Events
20241500m 4:44.96–Apr 6, 2024UC San Diego Triton Invitational, Triton Stadium, San Diego, CA - Elite Event
20243000m 10:19.01–Mar 2, 2024Beach Opener, Jack Rose Track, Long Beach, CA
FAQ

Frequently asked questions

Isla TERRILL's 800 m personal best is 2:11.30, set on Mar 28, 2026 in JSerra Catholic HS, San Juan Capistrano, CA (USA).

Isla TERRILL competes in the 800 m and Mile.

2026 season best: 2:11.30, set on Mar 28, 2026 in JSerra Catholic HS, San Juan Capistrano, CA (USA). Last competition: The TEN on Mar 28, 2026, 2:11.30.