Foreach vs lambda expression

class Program
{
    static void Main(string[] args)
    {
        var persons = new List<Person>();
        for (int i = 0; i < 10000; i++)
        {
            persons.Add(new Person { Name = $"person {i}", age = i });
        }

        var sw = new Stopwatch();

        sw.Start();
        for (int i = 0; i < 1000; i++)
        {
            for (int j = 0; j < 10000; j++)
            {
                persons[j].age ++;
            }
        }
        sw.Stop();
        Console.WriteLine($"for loop: {sw.ElapsedMilliseconds} ms");

        sw.Reset();
        sw.Start();
        for (int i = 0; i < 1000; i++)
        {
            foreach (var person in persons)
            {
                person.age++;
            }
        }
        sw.Stop();
        Console.WriteLine($"foreach loop: {sw.ElapsedMilliseconds} ms");

        sw.Reset();
        sw.Start();
        for (int i = 0; i < 1000; i++)
        {
            persons.ForEach(person => person.age++);
        }
        sw.Stop();
        Console.WriteLine($"Linq ForEach: {sw.ElapsedMilliseconds} ms");

        Console.ReadKey();
    }
}

class Person
{
    public string Name { get; set; }
    public int age { get; set; }
}

for loop: 453 ms
foreach loop: 527 ms
Linq ForEach: 839 ms