Ryan Woodruff
Head Coach
Lynchburg YMCA
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HVO = High Velocity Overload (concept from Bill Sweetenham), an all out 25y swim from a dive. Cone on return 25 set at 10m from wall.
The Swimming Wizard 
Hi Ryan,
I use the HVO since a Long time – and my understanding of Sweetenham is,
that this is not an “all out” sprint –
it is the half of personal best time for 50m and add 0,5 second – so its fast swim with an extra fokus of
“as relaxed as possible” – I like the term (Wohlfühl-Sprint — feel well sprint)
Kind regards
Heiko
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