picture of Conner Mantz
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Conner Mantz Double Threshold Workout During 2026 NYC Marathon Build | Workout Wednesday

Oct 28, 2026

Join American Marathon Record-Holder Conner Mantz as he hits a double threshold workout day ahead of the 2026 New York City Marathon. Workout presented by @COROSGlobal


The Workout:

AM: 12 x 1000

PM: 6x Mile

Watch to see how fast he runs!


Video by Johnny Pace (instagram.com/pacephoto)