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- Amber Stromberg. "How to Choose the Best Track Surface." Kiefer U.S.A.. 30 January 2023. <https://www.kieferusa.com/blog/how-to-choose-the-best-track-surface/#:~:text=Today%2C%20most%20running%20tracks%20are,an%20asphalt%20or%20concrete%20base.>.