I have my backpacking/bikepacking trip planned up to 20 days, though I do plan to do quite a bit more after that. It's difficult to say how much I can achieve in a late October day with only 7-8 hours of sunlight...
Please feel free to chime in with any advice or insight.

Trip Itinerary

These dates are not to be followed exactly. These estimates are conservative, will have first contact by 10/14 if starting on the 29th.

9/29 - Start in Seward, bike to Exit Glacier Road – 11B

- Harding Ice Field Trail – 8H (roundtrip)
o Possibly stay overnight on the icefield OR hike back and camp on Exit Glacier Road)

9/30 - Bike to Lost Lake trailhead on mile 3.5 on Seward highway – 10.9B

- Hike to south end of Lost Lake, camp there overnight – 7H

10/1 - Hike back to trailhead – 7H

- Bike to Primrose Creek trailhead on mile 17 Seward Highway – 14.4B
- Camp near trailhead

10/2 - Hike to Lost Lake via Primrose Creek Trail – 8.2H

o Camp overnight, explore alpine tundra surrounding Lost Lake.

10/3 – Hike out Lost Lake – 8.2H

- Bike to Ptarmigan Creek Trail at mile 23 Seward highway – 6B
- Hike to Ptarmigan Lake via Ptarmigan Creek Trail – 4H

10/4 - Stay around Lake and surrounding area for a day’s rest ~2H

10/5 – Hike out via Ptarmigan Creek Trail – 4H

- From mile 23 SH bike to Johnson Pass trailhead (southern access) on mile 33 Seward highway – 10B
- Hike in and camp at one of the several campsites near Upper Trail Lake campsites - ~3H

10/6 – Hike to one of the Johnson Lake or Bench Lake campsites - ~10H

10/7 – Rest/explore open alpine tundra - ~2H

10/8 – Possibly one more day of rest

10/9 –Hike back out to southern Johnson Pass trailhead at mile 33 SH – 13H

- Cross road to the Carter lake trailhead
- Hike to Crescent Lake campground via Carter Lake trail, camp overnight – 3.3H

10/10 – Hike out to Carter Lake trailhead - ~4

-OPTIONAL – if running low on supplies and behind schedule, bike to Cooper Landing (16m), or Hope (40.3)

- Bike to Summit Creek trailhead at mile 43.5 Seward highway – 10.5B

- Camp at mile 3 on te trail, approaching the headwaters of Summit Creek – 3H

10/11 – explore the rest of Summit Creek Trail, adventure the alpine zones and look for caribou. Camp wherever, possibly the Devil’s Pass cabin along the Resurrection Pass/devil’s Pass trail – 13H

10/12 – Hike out back to mile 43.5 SH – 15H

- Bike to tenderfoot campsites, stay overnight (if not on Summit Creek Trail) – 2.9B

10/13 – Bike to Hope– 26.4B

§ Alaska Dacha Hostel, 19842 Hope Highway, Hope 99605

10/14 - Bum around Hope! Stock up on supplies, explore and buy a coffee!

- Stay over at Porcupine campgrounds inside Hope

10/15 – Bike to resurrection Pass trailhead via Wagon Rd, then Resurrection Creek rd – 4.3B

- Hike to Caribou Creek Cabin area, set up camp – 7H

10/16 - Hike to Devil’s Pass Cabin (mile 21), set up camp – 14H

10/17 – Attempt to hike back out to trailhead. May stay overnight at Caribou Creek Cabin or Wold Creek campsite (mile 5 in). Option of Porcupine again if hiked out. – 21H

10/18 – Bike to Johnson Pass north trailhead at mile 64 S on the Seward Highway – 22.5B

- Camp at Bench Creek site – 6.5H

10/19 – hike to Bench Lake and beyond to Johnson Lake, set up camp and explore that alpine tundra! Camp at Bench Lake or surrounding area- ~3H + exploration

10/20 – Hike back to trailhead on mile 64 south Seward Highway – 9H

- Either camp at Granite Creek campground OR start making your way to Cooper Landing