Occassional thoughts about orienteering

Tuesday, April 26, 2005

Race from a couple of weeks ago


I'm finally getting around to writing about the classic day at the team trails in Ohio a few weeks ago. The map below shows the M40/F21 course with Peter Gagarin's routes. Click on the image for higher resolution.

The reentrants on this map (just like on the maps from the first two days) are deeper and steeper than they look on the map. It can make the orienteering more interesting because it might be worth going a bit out of your way to avoid some of the gullies.

I started a few minutes behind Nadim and caught him at 4. From 4 to the finish we saw each other a lot. We took some different routes but neither of us could get away. Running head-to-head is fun.

Sometimes running with someone makes you work harder than when you're alone. I ran with a heart rate monitor, which gives me a measure of how hard I was working. When I was running head-to-head with Nadim my heart rate averaged 170 (and the curve shows a steady effort). The previous day, when I ran on my own, my heart rate averaged 173 (again with a steady curve). So, I guess running with Nadim didn't get me to work harder than I'd worked on my own the day before.

Both of those average heart rates are a bit higher than I normally race at. I think that's a reflection of the footing. Both days there was some slippery, muddy footing. I think that sort of footing forces you to work more muscles (e.g. your bakc and arms work harder), which might raise your heart rate. Or maybe I'm wrong about that.

I enjoyed the course. There is some variety in the leg length, direction, and terrain. A really long leg might have been nice, but in looking at the terrain I don't see any good ways to get in a 1.5+ km leg. Running through the finish area (on the leg to 13) was fun for people watching the race and for those of us running.

posted by Michael | 8:01 PM


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