Further Out: Carrying Gear in the Field
Fifteen kilos over eight hundred metres and thirty-two kilos over twenty-six hundred are not the same task. The first is one trip by one person. The second is two legs, a stop in between, and a grade to account for. Above a quarter of body weight the stride shortens first; above a third, you stop to adjust the shoulder strap every few hundred metres. What follows treats a long carry as arithmetic: load ratio, one-way distance, how grade converts into effort, break rhythm, and the four points that hold the case in a vehicle.
01Past a Quarter of Body Weight, Pace Starts to Drop
Field loads sit between 15 kg and 35 kg, and what decides the distance is the ratio to body weight, not the number on the scale. A quarter is the line. Below it, cadence on flat ground barely changes and you stop because you are thirsty, not tired. Above it, stride shortens first and cadence follows. Past a third, the centre of mass moves forward and the cost at knee and ankle on a climb stops being linear.
Most people can carry between 25 and 35 percent of body weight over a long day, with training deciding which end applies. There is a simple test: walk twenty minutes and count strap adjustments. One is normal, two or more means the load is already past comfortable. Count the empty case too — budgeting only for the gear usually undercounts by several kilos.
02Five Hundred Metres and Three Kilometres Are Different Jobs
One-way carries commonly run from 500 m to 3000 m. Under 500 m there is no stop at all. Between 1000 m and 1500 m a short break earns its place. Past 2000 m, either the load comes down or the trip splits in two. Do not measure on a map. Gravel, mud and stairs can change the cost of the same kilometre by thirty percent or more.
A rough budget helps: 20 kg buys about 1500 m, each 5 kg less adds 500 m, each 5 kg more takes off 400 m. It is not precise, but it beats guessing when you decide at the vehicle whether to make two trips. Two trips sound slower and are often faster, because the second one needs no recovery stop in the middle.
03A Fifteen Percent Grade Doubles the Bill
Between 5 and 15 percent, grade changes effort faster than distance does. At 5 percent, a kilometre costs about what 1200 m of flat ground costs. At 10 percent the same kilometre bills as 1500 m. At 15 percent, anyone carrying over 25 kg will usually stop inside 500 m. That is not willpower; it is power output.
Climbing and descending also draw on different accounts. Uphill spends heart and legs; downhill spends knees and the muscles that absorb impact, and it gets more dangerous as the load grows, because every step is a braking action. A reliable sign: when the case becomes a walking stick and the torso tips forward hunting for support, the load is past what the slope allows. Zigzag, or take the gentler side.
04A Break Is for Bringing the Heart Rate Down
A single carry leg usually runs 1.5 h to 4 h. Space breaks every 0.75 h to 1 h and keep them to five or ten minutes, rather than waiting until you feel tired — by then you are already overdrawn and the next leg is slower. Put the case down, loosen the straps, raise the arms for 30 seconds. That recovers faster than sitting.
Two signals tell you whether the rhythm is right: the first 100 m of the next leg compared with the last, and whether strap marks fade within five minutes. Slower, or marks that stay, means too little rest or too much load, and pushing on only pays the time back with interest. On a four-hour outing this rhythm leaves roughly 3 h to 3.5 h of actual walking, with the rest going to breaks and handling.
05Four Anchor Points, and a Handle That Is Not One
Count four attachment points: one at each corner, or two straps crossed plus two low anchors. Strap tension sits between 150 N and 500 N — taut, with a little give when you press. Looser and the case slides forward under braking. Tighter and the corners take marks, and steady load can shift the latches out of alignment over time.
Before tying anything, confirm you are on a reinforced section of the shell, never the handle or a latch. The handle is built for a hand, not for a vehicle; use it as an anchor and one hard stop will pull it off. Loading height runs 0.3 m to 1.2 m, so slide the case to the tailgate edge first and cut the unsupported span. That single habit protects the lower back better than any lifting mantra.
| Load ceiling | 15–35 kg |
|---|---|
| Load as share of body weight | 25–35% |
| One-way carry distance | 500–3000 m |
| Workable grade | 5–15% |
| Sustained carry time | 1.5–4 h |
| Break interval | 0.75–1 h |
| Strap tension | 150–500 N |
| In-vehicle anchor points | 4 points |
FAQ
How much is too much to carry?
Judge by ratio, not by kilos. Above 25 percent of body weight the stride shortens; above 35 percent the climb gets expensive fast. Walk twenty minutes and count strap adjustments — two or more means you are over.
Does one kilometre versus two really matter?
It decides whether you make two trips. Between 1000 m and 1500 m one short break is enough; past 2000 m, drop the load or split the carry. Surface counts too: gravel and stairs add roughly thirty percent.
Is climbing harder, or descending riskier?
Climbing is harder; descending is riskier. Uphill spends heart and legs, downhill spends knees and impact-absorbing muscle, and more load makes it worse. When the case becomes a walking stick, zigzag or take the gentler line.
How many points should hold the case in a vehicle?
Four: one per corner, or two crossed straps plus two low anchors. Tension between 150 N and 500 N, taut with a little give. Anchor to reinforced shell sections, never to the handle or a latch. Stop every 0.75 h to 1 h; on a four-hour outing that leaves about 3 h to 3.5 h of walking.