A sole structure (12, 212, 412, 512, 812, 1012, 1012A-C, 1112) for an article of footwear (10, 410, 610, 1010, 1010A-C, 1110), the sole structure (12, 212, 412, 512, 812, 1012, 1012A-C, 1112) comprising: a first plate ; a resilient material supported on the first plate ; a second plate supported on the resilient material with the resilient material disposed between the first plate and the second plate ; a midsole unit extending in a heel region of the sole structure (12, 212, 412, 512, 812, 1012, 1012A-C, 1112); wherein the midsole unit has a through hole in the heel region ; wherein the first plate ascends rearward of the resilient material in a direction from a forefoot region of the sole structure (12, 212, 412, 512, 812, 1012, 1012A-C, 1112) toward a heel region of the sole structure (12, 212, 412, 512, 812, 1012, 1012A-C, 1112) and the second plate descends rearward of the resilient material in the direction from the forefoot region of the sole structure (12, 212, 412, 512, 812, 1012, 1012A-C, 1112) toward the heel region of the sole structure (12, 212, 412, 512, 812, 1012, 1012A-C, 1112) with a posterior portion of the first plate above a posterior portion of the second plate rearward of the resilient material ; wherein the posterior portion of the second plate includes one or both of a medial-side trailing arm with a terminal end and a lateral-side trailing arm with a terminal end ; wherein the posterior portion of the first plate is disposed adjacent to and inward of the one or both of the medial-side trailing arm and the lateral-side trailing arm in a transverse direction of the sole structure (12, 212, 412, 512, 812, 1012, 1012A-C, 1112); and wherein the posterior portion of the first plate extends through the through hole in the midsole unit and is seated on a foot-facing surface of the midsole unit . a first plate ; a resilient material supported on the first plate ; a second plate supported on the resilient material with the resilient material disposed between the first plate and the second plate ; a midsole unit extending in a heel region of the sole structure (12, 212, 412, 512, 812, 1012, 1012A-C, 1112); wherein the midsole unit has a through hole in the heel region ; wherein the first plate ascends rearward of the resilient material in a direction from a forefoot region of the sole structure (12, 212, 412, 512, 812, 1012, 1012A-C, 1112) toward a heel region of the sole structure (12, 212, 412, 512, 812, 1012, 1012A-C, 1112) and the second plate descends rearward of the resilient material in the direction from the forefoot region of the sole structure (12, 212, 412, 512, 812, 1012, 1012A-C, 1112) toward the heel region of the sole structure (12, 212, 412, 512, 812, 1012, 1012A-C, 1112) with a posterior portion of the first plate above a posterior portion of the second plate rearward of the resilient material ; wherein the posterior portion of the second plate includes one or both of a medial-side trailing arm with a terminal end and a lateral-side trailing arm with a terminal end ; wherein the posterior portion of the first plate is disposed adjacent to and inward of the one or both of the medial-side trailing arm and the lateral-side trailing arm in a transverse direction of the sole structure (12, 212, 412, 512, 812, 1012, 1012A-C, 1112); and wherein the posterior portion of the first plate extends through the through hole in the midsole unit and is seated on a foot-facing surface of the midsole unit . <EOS>