Half Marathon training plans, built for your goal
A half marathon sits in an awkward middle ground — too long to run on pure speed, too short to survive on mileage alone. SportBlox builds your half marathon training plan around your goal time, current fitness and race date, and works with your Strava data.
Who it's for
Breaking a personal best
Threshold and race-pace work layered onto your existing mileage to target a specific finish time.
First half marathon
A steady long-run build from your current base with enough speed work to keep race day comfortable.
Racing off a 10K base
A shorter build that extends your existing 10K fitness out to half marathon distance without starting over.
A week of half marathon training
Example: a runner chasing a sub-1:45 eight weeks from race day. Your own plan is built around your event, level and schedule.
How SportBlox personalises it
Your goal & event date
Sessions build toward the specific goal and date you set, with a taper if you're racing or competing.
Your skill level
Volume and intensity scale to where you actually are, from Inexperienced to Professional.
Your stated weaknesses
Tell SportBlox about things like holding pace in the final 5km, race-day pacing discipline, long run fuelling and the plan weights sessions toward fixing them.
Your schedule
The plan fits the days and time you say you have — not an idealised training week.
Works with Strava
Connect Strava and your logged sessions feed back into pacing and progression.
Half Marathon training plan FAQ
How is this different from a marathon plan?
It leans harder on threshold and race-pace work relative to total mileage — a half marathon rewards sustained speed more than pure endurance.
How many sessions per week?
Typically 4-5, mixing easy running, one speed session, a tempo run and a long run, fit around the days you have available.
Does it work with Strava?
Yes, connect Strava and your recent runs feed back into pacing targets and progression.
Is this suitable for a first half marathon?
Yes — set your goal to finishing and the plan prioritises a safe mileage build over speed work.
Will it taper before race day?
Yes, add your race as an event and the final one to two weeks cut volume while keeping race-pace efforts.
Build my free half marathon plan
Free to generate. No credit card required.
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