https://www.youtube.com/watch?v=Zh8D7rsEwRI

Last night I streamed all platinum medals on career with visible controls. Hopefully studying these will help you with any of these challenges that you may be stuck on.

I'll create some more detailed descriptions of how to achieve these in the future.

Timestamps:

---Class I [Using Sulha AG Qareen]---
0:11 - Welcome Trial (0.52.969)
3:47 - Simoom Time Attack (0.39.854)
7:25 - Frozen Speedway Trial (0.35.502)
10:38 - Khamsim Time Attack (0.33.037)
13:37 - Frozen Speedway Grand Trial (0.00:517)
16:40 - Vertigo Pure Trial (0.36.571)

---Class II [Using Sulha AG Djinni]---
20:18 - Horizon Chase (0.38.301)
24:16 - Coastline Grinder (108CPs OVERKILL!)
35:04 - Sands Motorstorm (0.05.667)
38:33 - Ghibli Swift (0.42.717)
42:11 - Vertigo Bonebreaker (24CPs)
45:57 - Coastline Time Trial (0.48.452)
49:55 - Calima Pressure Run (0.45.567)
53:12 - Explorer's Chrono Survival (39CPs)
58:17 - Burning Bridges (0.38.303)

---Class III [Using Sulha AG Efreet]---
1:02:53 - Desert Wind Trial (0.03.233)
1:06:29 - Blue & Red Trial (0.57.610)
1:11:48 - The Outburst (0.11.467)
1:16:01 - Underground Trial (0.48.255)
1:19:55 - Coastline Ironman (27CPs)
1:23:27 - Desert Blazer (0.12.421)
1:26:29 - Magma Trial [Using ASERA Yoshinobu] (0.41.081)
1:30:21 - Fair and Square (0.32.652)

---Class IV [Using Sulha AG Marid]---
1:33:29 - The Firepit - (41CPs)
1:37:34 - Red Bolts - (0.05.722)
1:59:37 - Blue Bolts (0.02.967)
1:47:25 - Impossible Control (Outlap only) (0.34.934)
1:49:12 - F-One Survival (23CPs)
1:52:12 - Sand Pit (34CPs)