TD = 440-500 yds or 1275-1650 ft. = up to 1/3 mile
TDU = 400-500 yds or 1200-1500 ft. = just under 1/3 mile
TDX = 800-1000 yds or 2400-3000 ft. = over 1⁄2 mile
VST = 600-800 yds or 1800-2400 ft. = under 1⁄2 mile
Prior to entering a TD or TDU test: A written statement must accompany each entry for a licensed or member tracking test for any dog that has not previously passed an AKC 15 TD or TDU test.This statement must be dated within two years of the date the test is to be held, signed by either person approved to judge tracking tests, or by a person/ evaluator who has handled a dog to a TDX or VST title within the last ten (10) years, and must certify that the dog has satisfactorily performed a certification test
Certification TD Certification Field, 440-500 yards, 30 minutes-2 hours old, 3 to 5 turns 1 start and 1 ending article.
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AKC Title Title Names Overview
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TD Tracking Dog Field, 440-500 yards, 30 min to 2 hours old, 3 to 5 turns and
1 start and one ending article
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TDX Tracking Dog Excellent Field, 800 to 1000 yards, 3 to 5 hours old, 5 to 7 turns, 1 start, 2 intermediate and 1 ending article
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VST Variable Surface Tracking Urban, 600 to 800 yards, 3 to 5 hours old, 4 to 7 turns,
1 hard turn, 1 start, 2 intermediate and 1 ending articles
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CT Champion Tracker Awarded to any dog who earns all three AKC tracking titles
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TDU Tracking Dog Urban Optional tilting event. This tests the dog's ability to follow
least a 400 yard track laid by a person under a variety of
scenting conditions in an urban environment and to find the articles
dropped by that person