Who is playing his first heroic race should read this.
For rewards check this.
Check out pools and waiting times proper. Sometimes you can not collect all items in 2 turns.
On browser version (PC or Puffin) arena fights count for pvp items.
Timelimited laps:
Lap 5 > 6: 20k Food x10 (8hrs)
Lap 7 > 8: 50k Food x8 (8hrs 33mins)
Lap 10 > 11: 100 Light Tokens x10 (15hrs)
Lap 12 > 13: 100k Food x8 (8hrs 30mins)
Lap 15 > 16: 150k Food x10 (17hrs)
Lap 18 > 19: 200 War Tokens x8 (12hrs 30mins)
Lap 20 > 21: 500k Food x4 (12hrs 30mins)
Lap 24 > 25: 1.5m Food x2 (14hrs)
Lap 25 > 26: Diamond Chest x5 (14hrs)
Lap 28 > 29: 2m Food x2 (14hrs)
Lap 30 > 31: 2m Food x3 (14hrs)
Lap 32 > 33: 2m Food x4 (14hrs)
Lap 34 > 35: 2m Food x5 (15hrs)
Lap 36 > 37: 20 Horai Dragon Orbs x5 (13hrs 30mins)
Lap 38 > 39: 20 Horai Dragon Orbs x5 (12hrs 30mins)
Lap 40 > 41: 20 Heaven Dragon Orbs x5 (12hrs 30mins)
Lap 42 > 43: 40 Horai Dragon Orbs x3 (12hrs 30mins)
Lap 44 > 45: 40 Heaven Dragon Orbs x3 (12hrs 30mins)
Lap 46 > 47: 40 Horai Dragon Orbs x10 (14hrs 30mins)
Lap 47 > 48: 40 Heaven Dragon Orbs x10 (15hrs)
Lap 48 > 49: Heroic Orbs Chest x2 (14hrs)
Good luck for everyone.