Best Stopwatches for Interval Training (2026)

We selected products by evaluating interval-focused features (lap memory, interval/countdown modes, start ergonomics), user ratings, durability attributes like water resistance, and overall value

This roundup covers stopwatches and interval timers suited for interval training, HIIT, pool sets and gym circuits, focusing on features that matter for repeatable timing and lap tracking. Selections were ranked by feature fit for interval workouts (lap memory, waterproofing, thumb-start ergonomics), user ratings, and value across the price range

Top Picks

  1. 1
    Ultrak 100-Lap Memory Timer Stopwatch

    Ultrak 100-Lap Memory Timer Stopwatch

    Ultrak • ★ 4.0/5 • Mid-Range

    Ultrak stopwatch with 100-lap memory for precise time tracking. Useful for athletes, coaches, and trainers during long sessions. Customer insight note highlights its relevance for interval training

    • 100-lap memory recall
    • interval countdown timer
    • split/lap time recall
    Check current price on Amazon →
  2. 2
    ULTRAK 495 Stopwatch Blue – 100-Lap Digital Timer

    ULTRAK 495 Stopwatch Blue – 100-Lap Digital Timer

    Ultrak • ★ 3.9/5 • Mid-Range

    Ultrak 495 stopwatch with 100 dual split memory for precise timing; versatile stroke/frequency, time, and calendar functions for coaching and training. Customer note mentions versatile features for track and field use

    • 100 dual split memory
    • precision timing for events
    • stroke/frequency, time, calendar functions
    Check current price on Amazon →
  3. 3
    Compact Stopwatch Swim Timer

    Compact Stopwatch Swim Timer

    SC SPORTCOUNT • ★ 3.6/5 • Budget

    Ergonomic, water-resistant stopwatch for pool timing. Thumb-activated start/stop for easy use; water resistance up to 50 meters. Customer note: easy to use with interval training

    • thumb-start timing
    • water resistance 50m
    • ergonomic compact design
    Check current price on Amazon →
  4. 4
    Fitness Timer with Stopwatch - SMAHEAT

    Fitness Timer with Stopwatch - SMAHEAT

    SMAHEAT • ★ 3.5/5 • Mid-Range

    Compact interval timer with real-time clock, countdown, timing, and stopwatch modes. Provides multiple functions in a single device. One customer notes timer accuracy and auto-sets to current time

    • interval mode
    • 12/24-hour clock
    • stopwatch function
    Buy at Amazon →
  5. 5
  6. 6
    Fitness Timer with Stopwatch for gym and school

    Fitness Timer with Stopwatch for gym and school

    SMAHEAT • ★ 3.4/5 • Mid-Range

    Multifunction 1.8-inch interval timer with real-time clocks, countdown, timing, and custom interval mode. Easy to set up, though some users report inconsistent button function and missing instruction manual

    • real-time clocks
    • custom interval mode
    • easy setup
    Buy at Amazon →

Buying Guide

Look for lap-memory capacity

Large lap-memory (e.g., 100-lap recall) helps you review sets and split times after interval sessions without manual logging

Prioritize water resistance for pool work

Waterproof or water-resistant stopwatches are essential for swim intervals and frequent sweat exposure to avoid damage

Check start/stop ergonomics

Thumb-start or compact designs improve one-handed operation during transitions in HIIT and circuit training

Choose clear interval/timer modes

Dedicated interval and countdown modes with visible displays make it easier to run structured rounds and rest periods without confusion

Balance features vs. cost

Compare key features—lap memory, durability, display size—against price so you get the functions you need without overspending