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[RC] LD/50 mile speed comparsion - Truman Prevatt

A study has been concluded comparing the ride times for LD vs. 50 mile rides by region. This analysis was done two ways. First all the finsihers were considered and second only the top 5 finishers in each catagory were considere. The top 5 was added because of the concern that the average of all the riders didn't reflect the speed of the LD rides.


The results of this study can be found at http://www.seraonline.org/Archives/LDstudy.pdf

Disclamer: The opinions expressed below are mine drawn on the results of this study.

Case I - all finishers:

There has been a lot of chatter that LD riders were riding too fast – LD rides had become too much of a "race" – too hard on the horses, etc. However, when the LD data is compared to the 50 mile data – the opposite shows to be the case. In every region the normalized mean ride time for LD is (statistically) significantly larger (slower average speed) than that for the mean 50 mile ride time within the same region. The LD riders are going slower than the 50 mile riders on the average – although the 50 milers are going twice as far. Depending on region this difference is between .5 mph to a little over 1.4 mph.

The other conclusions that can be drawn from this data is the mean ride time for LD rides is within the time window required for a Competitive Trail Ride and in a CTR there is no extended rest time as there is in a LD ride. The LD riders are going at the rate required to finish a 25 mile CTR but the LD horses get a 30 to 40 minute rest half way that is not counted in their time and the CTR horses don't get such a rest. In some regions the mean ride time for an LD is longer than what would be allowed for a CTR run by some CTR sanctioning organizations. Using the time windows of the CTR sanctioning body I am most farmilar with, SEDRA, the average LD time for all regions except the SW and W fall within the time window. The SW and W are actually slower than premitted in these CTR's.

On the whole the LD program is working well and is a good program to bring along a new horse, by starting back and as the horse gets more fit working your way up toward the middle of the pack to CTR speeds. At that point both CTR ride and LD rides can be used to prepare for longer endurance rides. There may be isolated cases that riders are riding LD's to fast on too young of a horse, but in general the data shows that those are isolated cases and not a problem in the format.

There is a large difference in the LD programs by regions. The CT, MW, NW and SE regions have very active LD programs. There are many differences that could account for this – rides without LD rides, multiday rides with no LD offered because of logistics, etc.  It does point out how important the LD program is to several of the AERC regions and also the potential for growth in other regions.

Case II -  Top 5 minishers

As can be expected the average times for the top 5 finishers is faster - significantly in some regions - than the average. However, for the regions of MW, MT, NE, PS, SW and W the 50 mile ride times for the top 5 is statistically (to a 99% confidence) faster than those in the LD rides in the same respective regions. For the CT, NW and SE regions there is not sufficient statistical evidence to conclude that either event is faster than the other. However, in these regions the LD speeds for the top 5 are less than the 50 mile speeds for the top 5 - just not statistically significatly so to the chosen confidence (99%).

Again using the analogy of the CTR time window, the average  ride times for the top 5 in the  MT, NE, PS, SW and W  regions are within the CTR time window. The  CT, MW,  NW and SE region mean top 5 ride times are slightly faster than the CTR ride times. However, in an LD ride the horse has a rest period of 30 to 40 minutes about half way and the in CTR's this is not the case and in CTR there is a time window which is not present in the LD format- so slightly faster speeds in LD would be expected.

The interesting thing to consider is the regions with the most active LD programs (CT, MW, SE and NW)- as defined by numbers of people participating are regions with active regional organizations. These are also the regions that have the faster top 5 LD times, but also tend to be the regions where LD is not considered a "problem."

I suspect this is a result of the fact in these regions there is more opportunity for education of new riders because of the active organizations. I know this to be the case at least in the SE and I believe it is true in the CT, MW and NW regions also.

Truman