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Hydra were observed for four years without any increase in mortality rate. [3] If the mortality rate remains constant, the rate determines the mean lifespan. The lifespan may be long or short, though the species technically does not "age". Individuals of other species have been observed to regress to a larval state and regrow into adults ...
[1] The record is one of the sporting world's most hazardous competitions. Seven of the thirteen people who have attempted the record since June 1930 have died. Two official attempts to beat Ken Warby's 1978 record resulted in the pilot's death, with Lee Taylor in 1980 and Craig Arfons in 1989. [1]
The world record for longest distance run continuously is held by Dean Karnazes, who ran 563 km (350 miles) in 80 hours 44 minutes without stopping. In the absence of significant external factors, non-athletic humans tend to walk at about 1.4 m/s (5.0 km/h; 3.1 mph) and run at about 5.1 m/s (18 km/h; 11 mph).
Records can be set in long course (50 metres) or short course (25 metres) swimming pools. World Aquatics recognizes world records in the following events for both men and women, [1] [2] except for the mixed relays, where teams consist of two men and two women, in any order. Freestyle: 50m, 100m, 200m, 400m, 800m, 1500m; Backstroke: 50m, 100m, 200m
Sergey Bubka's 1993 pole vault world indoor record of 6.15 m was not considered to be a world record, because it was set before the new rule came into effect. Bubka's world record of 6.14 m, set outdoors in 1994, was surpassed by six consecutive records set indoors, most recently by Armand Duplantis in 2023 with a 6.22 m mark. In 2020 ...
Sir Henry O'Neal de Hane Segrave (22 September 1896 – 13 June 1930) was an early British pioneer in land speed and water speed records.Segrave, who set three land and one water record, was the first person to hold both titles simultaneously and the first person to travel at over 200 miles per hour (320 km/h) in a land vehicle.
Ryan Murphy broke the men's 100 m backstroke world record in the final of the men's 4×100 m medley relay. ^ Sarah Sjöström broke the Olympic record in semifinal 2 of the women's 50 m freestyle. ^ Regan Smith broke the women's 100 m backstroke Olympic record in the final of the women's 4×100 m medley relay.
Key No longer contested at the Summer Olympics Men's records Usain Bolt currently holds three Olympic records; two individually in the 100m & 200m, and one with the Jamaican 4 × 100 m relay team. Ethiopian long-distance runner Kenenisa Bekele holds the Olympic record in the 5,000 m. ♦ denotes a performance that is also a current world record. Statistics are correct as of August 5, 2024 ...