Am I doing long runs too quickly?

Try and rip a 10 miler, maybe that is your best event.

So you're a sub-16 5k runner doing 10 mile long runs in sub-60? Yeah, that's a workout. Do you do all of your "easy" runs like that? How many workouts are you doing a week?

If you're already doing 2 workouts & then hammering 10 miles then you're doing too much. There's a place for 1 workout & a long run with marathon pace but it should be more structured. I would work on extending your long run. Maybe take a look at heart rate to get a feel for pace. There's nothing wrong with 7ish minute pace & getting ready for your hard sessions.

That 800 is terrible compared to your 10 mile "long runs" and your 5k. Just ditch the 800 and start doing 10ks.

Or keep improving the 800 times and keep up with the endurance work.

Long runs are about time, not distance.

But race distance is the same for every participant.

I had a coach in the 90 who was a national level coach who believed in runners doing their long runs which were around 1 hour for 800 meter runner a little faster then marathon pace, this stamina training is quite popular with some Norwegian runners and triathletes at the moment

90s weren’t necessarily the best decade for American distance running.

But marathon pace training has been a staple since the 60s.

Training for 800? Yes, go with your instinct and cut that long run. Also do you do things like short hill sprints and flying 30s? Should do a few of those every week.

yes

Ha, seriously. If the 58 minute 10 miler doesn't feel hard, then the OP is probably training for the wrong event.

Yeah for an 800/1500m guy a hard 10 miler is a solid aerobic workout. If it makes more sense than an easier 14 mile run or any of a zillion other options is going to depend on the athlete and training plan. for all the run 80+mpw guys this is way to fast. For someone running 40mpw, it might fit in nicely. A 2:08 though seems incredibly slow for some running sub 60 and sub 16 who is trying to be an 800m person.

My structure is pretty messed up, but this is probably the average week for me:

Day 1:Long run

Day 2: Lifting mostly legs (1-2hours) and exercise bike(30min-1 hour)

(could be Am-Pm depending if I am too tired from the lift)

Day 3:

Am:lifting (Only chest and bicep for 45min-1.5 hours

Pm:Swimming (Around 30min)

Day 4:Track workout

Day 5: Weights Biceps, Triceps, shoulders, and maybe a little legs (45min-1 .5 hours) and exercise bike(30min-1 hour)

Day 6: Track workout or Fartlek

Day 7: Rest day or more lifting

Only doing around 30 miles in a given week, but I do plenty of lifting to make up for it.

Not from every perspective.

If your 3000m time is 13:00, and an elite runner's 5000m time is 13:00, then you are both training for a 13:00 race. Looking at even longer races, a one hour race might be a 10k for one runner but a half marathon for another.

You should base your long run off of the length of time you are running in the race, not the distance. Time is the constant, pace is the independent variable, and mileage is the dependent variable.

Yeah, I’m all honesty I just decided I wanted to be an 800m runner around a month ago and my top end speed sucks. I was running around 18:30 5k in high school with a 4:40ish 1500m and 2:17 800m. I constantly struggles with injury in high school so I quit running when I started uni and started to lift. A year later, I randomly went for a run one day because my abs weren’t showing anymore and I ended up easily running a 19:30, I thought that was pretty fast so I decided to take up running again. At first it was just complementing my lifting, but suddenly I was hitting all of these pbs and was down to around 16:30ish within 6 months. I got mono and was in bed for a week and couldn’t swallow anything (didn’t eat and barely drank anything the whole week). That caused my 5k to go back to 19 minutes ish. Then I made the decision to focus on running and did around 1 long run and 3 workouts a week with lifting around 5 days a week. I would say the best workout that got me to where I’m at would definetely be my fartlek sessions. I feel the best workout that worked for me was 10x (75 second 400m - 1min 40second 400m recovery) on the track. 2 months ago I asked what time I would need to run to get into varsity and the coach said I would need under 15 minutes 5k minimum to be considered a walk on and did not mention what time I would need for a scholarship (I have a 3.85gpa if that matters). I then remembered I was a much better 800m runner so I thought about training for that instead. I also really want to be a 800m runner so I can continue lifting and actually make some gains. I realized that my natural speed is completely gone. I sprinted a lot because I liked playing other sports other than running and could run around a 12.6-12.8ish 100m. I recently hand timed my 100m right now and it’s around 13.6ish. I feel with a little speed stuff I could probably be a world class 800m runner so I am currently training for it. I am aiming for mid 1:50s before summer ends so I can join varsity and then low 1:50s for next year so I can transfer or get a scholarship.

OP doesn't HAVE a marathon pace if 10 miles is a long run for him and he runs it all out.

Aerobically 58min 10 miles feels very easy and I can usually run the last mile in around 5:20ish, but my legs are just constantly dying and I constantly need to switch up my strides to long and slow and short and fast to make my legs feel better. I honestly don’t like running for more than an hour though because it gets boring and 10k would require my long runs to be 1.5-2hours. Also I enjoy lifting a lot so training for 800m would let me lift and actually make gains. I was also better at the 800 and 1500m in high school and it is only my top end speed that is holding me back right now.

I agree with others here. You are clearly an endurance guy. Sure, work on your 800, but you are wasting your time on short distances. It sounds like you can easily throw down a sub 55 in a ten miler with basically no real training for that event, which means you have serious talent at the longer distances.

Just because your brain wants you to be a world class 800 meter runner doesn't mean your body agrees. Don't throw away what is clearly some serious at the endurance events just because you feel like it.

Your posts also sound like you are all over the place in how you think about running. Nothing wrong with that, but you are someone who could really benefit from a coach.