计算每公里或每英里的跑步配速、预估完赛时间和分段时间。支持 5K、10K、半马、全马等任意距离。纯客户端计算。
This calculator helps runners determine their pace, predict finish times, and plan race strategy. Enter any two of the three variables (distance, time, pace) to calculate the third. All calculations happen in your browser — no data is sent to any server.