races 807 cycles 14 shift sd 5.7 pooled slope of resid on shift: -0.312 (intercept -0.85) cluster-bootstrap 95% CI for slope: [-0.395, -0.246] 1998 28 slope -0.30 2000 63 slope -0.34 2002 55 slope -0.19 2004 71 slope -0.44 2006 72 slope -0.26 2008 77 slope -0.56 2010 75 slope -0.23 2012 68 slope -0.26 2014 64 slope -0.33 2016 64 slope -0.44 2018 46 slope -0.48 2020 49 slope -0.38 2022 39 slope -0.70 2024 36 slope -0.03 LOCO MAE late-avg 4.253 late-avg+momentum 4.098