HomeAppsHealth & FitnessHalf Marathon (21k / 13.1m)Apps like Half Marathon (21k / 13.1m) Here are some great alternatives to Half Marathon (21k / 13.1m) by Vandersoft : Half Marathon Training Coach ★4.6 Half Marathon Trainer 13.1 21K ★4.2 5K, Triathlon, Marathon Plans ★4.1 ASICS Runkeeper - Run Tracker ★4.5 FitRunner - Running Coach ★4.5 Nike Run Club - Running Coach ★3.9 The Run Experience ★4.4 San Francisco Marathon Tracker ★4.8 RunMotion Coach - Running ★4.1 Couch 5k - Running App ★4.4 Marathon Trainer - 26.2 42K ★4.0 Coopah: The Run Coaching App ★5.0 Couch to 5K by RunDouble ★3.7 RunDay - run/walk coaching PT ★4.6 Runna: Running Plans & Coach ★4.7 Runiac running for weight loss ★4.2