Backcountry Trail Run - Crater Rim Trail

Please explain your preparation for this run when you request leader's permission, thanks!
The trip plan is to run the Crater Rim Trail #3957 counterclockwise from the Paulina Lake day-use area, tagging Paulina Peak along the way.  On Sunday, July 14, there are easy hikes, lakes to swim in, and a hot springs to visit, plus Lava River Cave and the Big Obsidian Flow. 

• Description of this loop from Northwest Dirt Churners
• Map of area from caltopo.com: https://caltopo.com/map.html#ll=43.71532,-121.24306&z=14&b=f16a
• Leader plans to camp at the Cinder Hill Campground nearby on Friday and Saturday nights, site #88, which accommodates up to 8 people. If you're interested in sharing this car camping campsite, please alert leader. 
• Nearest town is LaPine, Oregon
• Other campgrounds in the area include the LaPine State Park, East Lake Campground, and Little Crater Rim Campground.

• Meet at the Paulina Lake day-use area on Saturday morning, July 13. Time TBA. This location is directly across from the Paulina Visitor Center.
  • Google Maps link: https://maps.app.goo.gl/UJQrMrL62rQUMhHK6
  • GPS coordinates:  43.71174828833682, -121.27677153461852
  • Northwest Forest Pass or equivalent required.  A 3-day entrance pass that covers day-use fees at various locations within the national monument is available; National Forest Day Pass, Interagency Annual Pass/America the Beautiful pass, and the annual Northwest Forest Pass are also accepted. More details here.
  • Paulina Lake Day Use Area information