Race JS Fundamentals

function race(arr) {
    let names = arr.shift();
    let end = arr.pop();
    let person = {};

    let singleName = '';
    let number = '';
    let distance = 0;
    for (let lines of arr) {
        let nameRegex = /[^A-Za-z]+/g;
        let lineW = lines.split(nameRegex).filter(Boolean);

        for (let i = 0; i < lineW.length; i++) {
            singleName += lineW[i];
        }
        if (names.includes(singleName)) {
            if (!person.hasOwnProperty(singleName)) {
            person[singleName] = distance;
            }
        }
        let numberRegex = /[^0-9]/g;
        let lineN = lines.split(numberRegex).filter(Boolean);

        for (let i = 0; i < lineN.length; i++) {
            number += Number(lineN[i]);

        }
        for (let i = 0; i < number.length; i++) {
            distance += Number(number[i]);
        }

        if (person.hasOwnProperty(singleName)) {
            person[singleName] += distance;
        }
        singleName = '';
        number = '';
        distance = 0;
    }
    let sorted = Object.entries(person).sort((a, b) => b[1] - a[1]);
        console.log(`1st place: ${sorted[0][0]}`);
        console.log(`2nd place: ${sorted[1][0]}`);
        console.log(`3rd place: ${sorted[2][0]}`);
}