3km Run Time Trial Session

Session Overview

This 35-minute session delivers a standalone 3km time trial with a structured warm-up and cool-down. It’s the ideal benchmark test for sprint triathlon athletes, providing a clear snapshot of current running fitness and a repeatable test to track progress every 4–6 weeks.

What You’ll Need

• GPS watch or measured running route (3km)
• Running shoes
• Water bottle (post-TT)

Warm-Up (10 minutes)

Start with 5 minutes easy jogging at Zone 1, then 3 × 30-second strides at close to 1km race pace with 45 seconds easy jog between each. Allow 2 minutes easy before the start. You should feel loose and slightly warm — not tired.

Main Set

Run 3km as hard as you can sustain from start to finish. This is a maximal effort over a short distance — aim for an even or slightly negative split rather than burning out in the first kilometre.

• Km 1: Find your pace — controlled aggression. A slightly conservative start prevents blowing up early.
• Km 2: Hold your pace. This is where it gets uncomfortable — focus on form and breathing rhythm.
• Km 3: Give everything in the final kilometre. If you have energy left at 2.5km, accelerate.

Cool-Down (5 minutes)

Walk for 2 minutes immediately after finishing, then easy jog for 5 minutes at Zone 1. Record your time and average pace as a benchmark. Stretch quads, calves, and hip flexors while your heart rate drops.

Coaching Notes

• Always run this test on a flat, measured course for comparable results over time.
• Run this test fresh — ideally 48 hours after your last hard session.
• Beginners can start with a 1km or 2km time trial and build as fitness improves.
• Target RPE 8–9 overall; the final 500m should feel like maximum sustainable effort.