with no group run tonight, I decided to adjust the speed workout tonight. Scheduled was 14km of fartleks, but without a watch and without other people, it is just too much work to keep the times and speeds straight. So I just did estimated intervals.
I basically ran a 1km warmup, then alternated between about 800 meters at a "fast" pace with a few minutes of light jogging. Everything felt great and the run was uneventful.