1KM ALL IN - STRAVA BEST EFFORT CHALLENGE BEGINS - The Welsh Runner

Aug 13, 2025

Intro

This is a quick summary of 1KM ALL IN - STRAVA BEST EFFORT CHALLENGE BEGINS from The Welsh Runner. It’s a great watch — we’re breaking it down so you can try the workout today. Be sure to check out the full video for all the details.

Key Points

Aim to beat your current 1 km best effort (the host’s PB is 2 min 42 sec, ~421 sec/mi).
Accurate distance measurement is crucial – set up the course beforehand and double‑check splits on your watch.
Warm‑up with easy jog + a few strides before the all‑out effort to prime your legs.
If you fall short, treat it as a learning run: note where you went off‑pace or mis‑measured and try again.

Workout Example

Warm‑up – 10‑15 min easy running + 4–6 × 100 m strides (gradually building speed).
1 km Time Trial – Run a flat 1 km as fast as possible, aiming to hit or beat your PB (e.g., 2:42).
Post‑run – Cool down 5‑10 min easy jog, then review the split data to confirm you covered exactly 1 km and note average pace.

Closing Note

Give it a go today, adjust the target pace to match your own Strava best‑effort, and use the Pacing app to customise the intervals for your fitness level. Have fun and keep chasing those personal records!