Can you recommend a good backpack or hydration pack? My ultra training is pushing some long shifts and I need to carry my drinks along. For the last warm 32k run l used almost 1.5l of liquid which l carried on my back but the pack was an inexpensive gift that caused shoulder strain as well as some uncomfortable neck rubbing. I don't like either. I've been to a running shop before this apocalypse where they tried to flog a great looking pack for £180 but l declined that kind offer.
However, l train alone and l will run the ultra on my own so no pit-stops for me. When l ran the marathon l focused on the area where my car was parked and I would get another bottle every hour. This is different business, I want to run a 50km stretch across London and need to have it all nailed before l set off. Oh well, I've done crazier things before but a good backpack would be an asset. Any thoughts please?