def start_loop(loop): asyncio.set_event_loop(loop) loop.run_forever() async def do_some_work(x): print('Waiting {}'.format(x)) await asyncio.sleep(x) print('Done after {}s'.format(x)) def more_work(x): print('More work {}'.format(x)) time.sleep(x) print('Finished more work {}'.format(x)) start = time.time() new_loop = asyncio.new_event_loop() t = Thread(target=start_loop, args=(new_loop,)) t.start() print('TIME: {}'.format(time.time() - start)) asyncio.run_coroutine_threadsafe(do_some_work(6), new_loop) asyncio.run_coroutine_threadsafe(do_some_work(4), new_loop)