The speed of propagation is related to the size of the axon. The speed of action potential propagation is usually directly related to the size of the axon. Big axons result in fast transmission rates. For example, the squid has an axon nearly 1 mm in diameter that initiates a rapid escape reflex. Increasing the size of the axon retains more of the sodium ions that form the internal depolarisation wave inside the axon.
About the only thing known for sure is that the 119th Boston Marathon will be held on Monday, April 20, 2015. As for everything else, the initial discussions about next year are already underway. But itâs unlikely the race will return with a field of approximately 36,000 runners in 2015.
About 37,500 amateur athletes, fun runners and elite sportsmen and women have run the Virgin London Marathon. Kenya's Wilson Kipsang won the men's elite race with a time of 2:04:44 and Mary Keitany, also from Kenya, defended her title with a time of 2:18:37.laire Lomas began Sunday's marathon as the first person in the UK to wear a Rewalk suit. She suffered spinal injuries in a horse riding accident and is expected to take three weeks to complete the route. Shadow Chancellor Ed Balls ran his first London Marathon and finished in a time of five hours and 31 minutes.