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Anyone running a zero basal rate during...
2 years ago  ::  Dec 04, 2012 - 8:37AM #6
Posts: 1

I read an article from Team Type 1.  They mentioned that running low is not due to too much insulin but not enough glucose.  I too am an avid Cyclist (OK my wife (who's a competitive Cyclist) calls me a Bike Nut.  I go on everything from an hour long indoor Spin to a 500 mile week long tour.  We like to go on Metric Century Rides most weekends from Spring to Fall (3 Hour ride for my wife - 3 1/2 to 4 hour ride for me) and a couple of full centuries per year.  I have Type 1 with a minimed Revel pump & CGM.  For Rides less than 2 hours - I like to Treat and Ride.  I like to stay around 150 mg/dl pre ride.  I find glucose tabs don't do much to keep me there while riding.  I find I need a powerbar every 1 to 1 1/2 hours while riding and use a GU to treat lows or feeling lows.  ( I find my balance goes with my glucose levels and I can't maintain speed when I'm going low)  Also I find you can't depend on the CGM while riding or exercising - when it says you're low - you're already gone. Jersey pockets were made for a small meter kit.  I depend on the CGM for trends only while on the bike.  I usually leave my basals alone.  If I'm trending down even with eating, I may use a temporary basal at 50% for the rest of the ride and 2 hours post ride.  My thoughts are like the Team Type 1 Article.  You need Insulin to feed your cells and I prefer to not starve them on a hard ride.

2 years ago  ::  Dec 03, 2012 - 10:28AM #5
Posts: 1

I've been bike riding for about 9 years.  I always suspend my pump when I bike ride.  I usually go out for 1 1/2 - 2 1/2 hour rides, but every once in a while, my husband, my friends, and I take a week long vacation of bike riding.  We ride all day long from one town to the next, stopping along the way for sight seeing, shopping, refreshments, and lunch.  I wear a CGMS, so I can check my blood sugar levels all the time, but I have to test periodically, too.  Even with the pump suspended, I can go low sometimes.  I just keep a large supply of snacks and glucose tablets.  One of my riding friends is a type 2 on a pump, so we keep an eye on each other and our spouses keep an eye out for us, too.

2 years ago  ::  Nov 13, 2012 - 10:13AM #4
Posts: 660

This is a Type1issue . I hope someone who is monitoring this site for D Life might answer this. I am a type 2 , load on carbs before I exercise so I am of little help. Nancy

2 years ago  ::  Nov 09, 2012 - 11:55PM #3
Posts: 3

Why worry about going down to a zero basal rate? My nurse educator has recommended that for me.

However, I don't cycle as much or as long, and therefore I'll go down 30 or 40%. The trick is to plan for it.

My endo says to lower your rate at least 2 hours in advance, but I don't always know when I'm going to cycle. It might be a spur of the moment, or I've missed a bus, or the like.

I always carry glucose tablet and nuts and raisins, as it's nice to have an opportunity to eat things which would otherwise raise my BG too much.

2 years ago  ::  Nov 04, 2012 - 6:01PM #2
Posts: 312

I  have any idea, but I hate to see no response.  My only thought is double your pre cycling carbs.

2 years ago  ::  Oct 06, 2012 - 9:15PM #1
Posts: 6
Hi all,
I regularly ride over 4 hours (road cycling) and despite ingesting large amounts of glucose, will always go low unless I run a zero basal rate.  Has anyone had similar experiences and if so, would like to know if you do something different.  Sugars at the end of the ride are in the normal range for me when running a zero rate, but if there is an alternative, would love to know.
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