That's the problem with triathlon - trying to fit it all in.
You'll probably see most improvement, in both absolute and relative terms, in your swimming.
Cycling you can keep at a maintenance level - maybe one interval session and one mid-distance ride a week.
There's a good programme for a sub-40 10k here.
(They have a sub-45 plan too.)
@NotThamesWater started
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That's the problem with triathlon - trying to fit it all in.
You'll probably see most improvement, in both absolute and relative terms, in your swimming.
Cycling you can keep at a maintenance level - maybe one interval session and one mid-distance ride a week.
There's a good programme for a sub-40 10k here.
(They have a sub-45 plan too.)