Tasks Await Async

namespace SportsDataPlatform.Core
{
    using Contracts;
    using SportsDataPlatform.Data.Entities;
    using SportsDataPlatform.Data.Repositories;
    using SportsDataPlatform.Data.Repositories.Contracts;
    using System;
    using System.Threading.Tasks;

    public class FlowManager : IFlowManager
    {
        private EventPlacer eventPlacer;
        private EventRetreiver eventRetreiver;
        private IRepository<Event> repository;

        public FlowManager()
        {
            this.repository = new Repository<Event>();
            this.eventPlacer = new EventPlacer(this.repository);
            this.eventRetreiver = new EventRetreiver(this.repository);
        }

        public void Start()
        {
            PlaceEvent();
            PrintEvent();
            Console.ReadKey();
        }

        private async void PlaceEvent()
        {
            while (true)
            {
                await Task.Run(() => { eventPlacer.PlaceEvent(); }) ;
                Task.Delay(10000).Wait();
            }
        }

        private async void PrintEvent()
        {
            while (true)
            {
                Task.Delay(10000).Wait();
                Event ev = await Task<Event>.Run(() => eventRetreiver.Retreive());
                Console.WriteLine(ev);
            }
        }
    }
}