QUAD TRIPLE ENDURANCE DOUBLE Numerous owners/handlers with multiple dogs entered One or two owners/handlers with multiple dogs entered SINGLE DOUBLE ENDURANCE TRIPLE QUAD Impact on potential number of attempts before a successful draw

Low	Moderate	Moderate	Low	Low
Moderate	Substantial to Severe	Severe	Moderate to Substantial	Moderate to Substantial

ENDURANCE QUAD TRIPLE DOUBLE SINGLE No. of entries per trial Draw ensures 1/2 day rest for dogs between braces? No. of trials (fields) that dogs compete in each day Max no. of dogs per owner/handler (NSTRA Guidelines) No. of trials (fields) per day Multiple-day format OK? Comparison of Trial Types

Yes	Yes	Yes	Yes	Yes
Yes	Yes	Yes	Yes	Yes
1	2	2	3	4
1	1 or 2	2	1,2,or 3	1,2,3 or 4
12 - 32	12  - 32	24 -32	12 - 32	12 - 32
3	3	2	3	3
N/A	Yes	Yes	No	No

One-day format OK?