6 Products Tunde Oyeneyin Recommends to Every Marathoner

Nike Free Metcon 6 ($120)

When it comes to marathon training, running isn't the only workout you should prioritize — cross training is crucial. That's where Oyeneyin turns to the Nike Metcons. "The Metcons are my favorite shoes for lifting and strength workouts. They're flexible, breathable, and offer great traction," she says.

These sneakers come in 16 colors and are made with recycled materials from post-consumer and/or post-manufactured waste, making them a plus for sustainability. You can also custom design these sneakers, adding your name, marathon date, or bib number.