gistfile1.js

// async
var async = require('async');

async.parallel([
  function(callback) {
    Check.find({ status: 1 }).exec(callback);
  },
  function(callback) {
    Check.find({ status: 2 }).exec(callback);
  }
], function(err, results) {
  // IF NOT err
  res.render('checks', {
    check1: results[0],
    check2: results[1]
  });
};