https://orcid.org/0000-0002-0539-3224
Figures & data
Figure 1. A tractor route across a field: waffle-boards, sunken line with outer ridges.
Figure 2. Gravel track natural surface: hardpacked and some loose stones.
Figure 3. The First author: “Becoming fatigued.” Left to right: 90 miles, 100 miles, 125 miles, 140 miles 145 miles. (Video log, June 29 2020, “Salisbury plain // 200 km gravel route,” https://youtu.be/tzPb0IcF4ew?t=636).
Figure 4. Typology of tracks.
Figure 5. Perceptions of track quality by gravel riders.
Figure 6. Sheep-grazed grass track going uphill.
Figure 7. Obstacles: mud, puddles, grass central ridge and grass outer ridges.
