National Driving Trials Rules - quick reference
Page updated: 05 April 2008

Minimum Vehicle track widths and weights
The track width is measured on the rear wheels at ground level.
Class

Obstacle Cone Driving

Marathon

WidthWheelsGroomsWidthWeightWheelsGrooms
HorsesFours158 cm42125 cm600 kg4+brakes2
Pairs148 cm41125 cm350 kg4+brakes1
Tandems138 cm2 or 41125 cm150 kg2 or 41
Singles138 cm2 or 41125 cm150 kg2 or 41
PoniesFours138 cm42125 cm300 kg4+brakes2
Pairs138 cm41125 cm225 kg4+brakes1
Tandems138 cm2 or 41125 cm 90 kg2 or 41
Singles138 cm2 or 41125 cm 90 kg2 or 41
Marathon
speeds

Pace

Horses

Ponies

Distance

km/hmin/kmkm/hmin/km3 section5 section
Section AAny pace154'00"144'17"10km max.7km max.
Section BWalk78'34"610'00" 800-1000m
Section CTrot193'09"173'31" 4km max.
Section DWalk78'34"610'00"800-1000m800-1000m
Section EAny pace144'17"134'37"10km max.9km max.
Minimum Age limits:
Competitors and their grooms
may take part in National events
from the beginning of the
calendar year in which they
reach the age given:
ClassDriverGroom
Horse Fours1814
Pony Fours1618
Pairs1618
Tandems1618
Singles1814
1618
1418
Penalties 
DRIVEN DRESSAGE   
Early or late entry into arena Poss. EL 
Entering the arena without, losing or putting down a whip   5 
Entering arena without lamps or rear lights or reflectors 5 
Entering arena with brushing boots or bandages 10 
Competitor entering arena without jacket, apron, hat or gloves 5 
Groom entering arena without hat or gloves 5 
Error of Course:First occasion
Second occasion
Third occasion
 5
10
EL
 
The whole turnout leaving the arena during test EL 
Grooms dismounting (one or both)1st incident
2nd incident
3rd incident
 5
10
EL
 
Competitor dismounting 30 
Lame horse/pony Disqualification 
Carriage overturning EL 
MARATHON   
Exceeding time allowed in any section (per second)* 0.2 
Finishing under minimum time in sec. A, C or E (per second)* 0.1 
Time in an obstacle (per second)* 0.2 
Not having a whip on the carriage (per section) 5 
Missing compulsory flags EL 
Halt, circle or zigzag between last obstacle and finish (per occurrence) 10 
Uncorrected breaking of pace in sec B, C or D (per complete 5 seconds) 1 
Groom dismounting while vehicle is moving in any section 10 
Driver dismounting while vehicle is moving in any section 20 
Stopping on the course, other than for repairs (per commenced 10 seconds) 1 
Stopping between last obstacle and finish 10 
Not having a whip in hand when entering or leaving obstacle 5 
Crossing the finish of E with missing or disconnected trace or pole straps  10 
Putting a whip down in an obstacle 5 
Groom dismounting in an obstacle 10 
Driver dismounting in an obstacle 20 
Corrected error of course in an obstacle (per occurrence) 20 
Uncorrected error of course in an obstacle EL 
Carriage overturning in an obstacle 60 
Exceeding 5 minutes in an obstacle EL 
Displacing a dislodgeable element 2 
Preventing an element being dislodged  10 
OBSTACLE CONE DRIVING   
Failing to start within 60 seconds of the starting signal Possible 5 
Passing through cones before starting signal 10

+ restart

Entering arena without rear reflectors 5 
Competitor entering arena without apron, hat, jacket or gloves 5 
Groom entering arena without jacket, hat or gloves 5 
Knocking down one or both balls of a pair of cones 3 
Knocking down a collapsible element 3 
Groom standing, speaking or indicating to the driver EL 
Groom using reins, whip or brakes 20 
Passing through cones in the wrong sequence or direction EL 
Knocking down any part of an obstacle which has already been driven 3 
Knocking down any part of an obstacle before it has been driven Clock stopped, rebuild, 3+10 secs
Groom dismounting1st occasion
2nd occasion
3rd occasion
 5
10
EL
 
Driver dismounting 20 
Passing through any number of cones, start or finish without whip (each occurrence) 5 
Carriage overturning  EL 
For every second over the Time Allowed* 0.5 
Exceeding twice the Time Allowed EL 
 
* all these time penalties are calculated to two decimal places, without rounding seconds.

Visit our reference section for:

Dressage arena diagrams and dressage tests
The BHDTA Rulebook (on-line and to purchase)
The F.E.I. rulebook on-line

CLICK HERE