The Challenge Series in Need for Speed: Carbon contains various sets of event types, with each having three separate events made up of bronze, silver, and gold difficulty tiers.
Completing the entry bronze tier event will unlock the silver tier event, completing the silver tier event will unlock the gold tier event, and completing the gold tier event will unlock a unique reward.
Canyon Duel
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Canyon Sprint
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Checkpoint
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Canyon Checkpoint
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Canyon Drift
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Pursuit Evasion
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Pursuit Trade Paint
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Circuit
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Sprint
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Drift
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Speedtrap
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Race Wars
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Collector's Edition Challenges
The Collector's Edition release of Need for Speed: Carbon includes three additional challenge sets with three event tiers in each.
Checkpoint
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Pursuit
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Race Wars
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