
Advice from Graham:
Works better with an assault runner. If not, try:
- 90s treadmill
- 300/400m Skierg
- 60s treadmill
- 200m Skierg
- 40s max effort assault bike
- 90s treadmill
- 300/400m Skierg
- 60s treadmill
- 200m Skierg
- 40s max effort assault bike
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