You’ll be fine, stick with Sport, got to start somewhere! Sport will be bigger this year as a lot of the slower masters will move across.
Checkendon was used a vast amount up until 2007 when the land owner changed, and the new one wasn’t keen on MTBing, it hosted several NPS races up to 2006 though, it’s a course with history! There always used to be 2 distinct sections, a very hilly chalky, flinty bit, and a flatter loamy wooded section. Laps were usually pretty long there, one race they did had 45 minute laps! It’s hellish in the wet, 1.5″ tyres needed in places with the sticky mud, but then it’s rooty and flinty as well.
There used to be a few nasty techy sections they could use, awkward drops and what not, but I suspect even in 5 years things have moved on sufficiently they’ll now seem easy!
There’s some field edge sections which are horrendous, think baked tractor tracks in the dry, or just a sticky energy sapping mess if it’s wet.
is it reletively flat course? are the majority of XC courses flat?
guessing the emphasis is more on speed than amount of climbing etc etc
You guess wrongly, most courses are won and lost on the climbs, flat courses are fast and close, and a bit boring!
It always used to be one of the hilliest courses, some real grinds.
Just enjoy it!