While watching a video about the history of Aston-Martin, there was a brief mention of Lionel Walker Birch Martin, cyclist. Was unable to find any cycling images but did find bits from AI engines (copy / paste)

Lionel Walker Birch Martin (1878–1945) was a prominent British cyclist and motor engineer who co-founded the Aston Martin luxury car company. A competitive rider for the Bath Road Club (BRC), he set tandem cycling records in the early 1900s—including Land's End to London—before pivoting to motor racing.
Key Cycling Achievements and History
University & Early Records: While at Oxford in 1901, Martin set cycling records as a tandem partner to Henry Curtis-Bennett.
Land's End Record: In August 1902, he rode from Land's End to London (Hyde Park Corner) in 22 hours and 16 minutes on an Imperial Rover.
Edinburgh to York: In April 1903, he and Thomas Vade-Walpole broke the record for a tandem bicycle on the route from Edinburgh to York, completing it in 12 hours 17 minutes.
Cycling Return: Despite giving up cycling to focus on motor racing, he returned to the sport in 1910 following a two-year driving ban.
Long-Term Passion: He remained an enthusiast, with reports indicating he turned back to cycling after leaving Bamford & Martin, eventually being killed in a traffic accident while riding in 1945.
Cycling Achievements
Lionel Martin's competitive cycling career in the early 1900s focused on long-distance endurance challenges, where he demonstrated exceptional stamina and a burgeoning passion for speed. On 27 August 1902, riding a single-gear Imperial Rover Road Racer bicycle, he set a new record for the approximately 300-mile journey from Land's End to Hyde Park Corner in London, completing it in 22 hours and 16 minutes and averaging 13.5 mph including stops. This achievement beat the previous mark by over three hours and underscored his ability to sustain high performance over grueling distances.
The following year, Martin partnered with Thomas Vade-Walpole on a Swift Royal tandem bicycle to target another prestigious record. On 11 April 1903, they covered the route from Edinburgh to York in 12 hours and 17 minutes, improving the existing tandem time by 43 minutes and highlighting Martin's versatility in both solo and team efforts. These records established him as a prominent figure in British cycling circles during an era when such feats were celebrated for pushing the limits of human and mechanical endurance.
By 1904, Martin temporarily retired from competitive cycling as his interests evolved toward powered forms of transport, though the sport had already instilled in him a deep-seated obsession with velocity and resilience. He made a brief return in 1910 amid a driving ban that curtailed his automotive activities, attempting another Edinburgh to York run but halting after 149 miles due to strong headwinds. This interlude reinforced cycling's role as a foundational pursuit that honed the skills and drive he later applied to motorsports.