The following is Thursday's statement from Lance Armstrong, announcing he as stopping his fight against charges of illegal doping:

There comes a point in every man's life when he has to say, "Enough is enough." For me, that time is now. I have been dealing with claims that I cheated and had an unfair advantage in winning my seven Tours since 1999. Over the past three years, I have been subjected to a two-year federal criminal investigation followed by (USADA CEO) Travis Tygart's unconstitutional witch hunt. The toll this has taken on my family, and my work for our foundation and on me leads me to where I am today – finished with this nonsense.

I had hoped that a federal court would stop USADA’s charade. Although the court was sympathetic to my concerns and recognized the many improprieties and deficiencies in USADA’s motives, its conduct, and its process, the court ultimately decided that it could not intervene.

If I thought for one moment that by participating in USADA’s process, I could confront these allegations in a fair setting and – once and for all – put these charges to rest, I would jump at the chance. But I refuse to participate in a process that is so one-sided and unfair. Regardless of what Travis Tygart says, there is zero physical evidence to support his outlandish and heinous claims. The only physical evidence here is the hundreds of controls I have passed with flying colors. I made myself available around the clock and around the world. In-competition. Out of competition. Blood. Urine. Whatever they asked for I provided. What is the point of all this testing if, in the end, USADA will not stand by it?

From the beginning, however, this investigation has not been about learning the truth or cleaning up cycling, but about punishing me at all costs. I am a retired cyclist, yet USADA has lodged charges over 17 years old despite its own eight-year limitation. As respected organizations such as UCI and USA Cycling have made clear, USADA lacks jurisdiction even to bring these charges. The international bodies governing cycling have ordered USADA to stop, have given notice that no one should participate in USADA’s improper proceedings, and have made it clear the pronouncements by USADA that it has banned people for life or stripped them of their accomplishments are made without authority. And as many others, including USADA’s own arbitrators, have found, there is nothing even remotely fair about its process. USADA has broken the law, turned its back on its own rules, and stiff-armed those who have tried to persuade USADA to honor its obligations. At every turn, USADA has played the role of a bully, threatening everyone in its way and challenging the good faith of anyone who questions its motives or its methods, all at U.S. taxpayers’ expense. For the last two months, USADA has endlessly repeated the mantra that there should be a single set of rules, applicable to all, but they have arrogantly refused to practice what they preach. On top of all that, USADA has allegedly made deals with other riders that circumvent their own rules as long as they said I cheated. Many of those riders continue to race today.

The bottom line is I played by the rules that were put in place by the UCI, WADA and USADA when I raced. The idea that athletes can be convicted today without positive A and B samples, under the same rules and procedures that apply to athletes with positive tests, perverts the system and creates a process where any begrudged ex-teammate can open a USADA case out of spite or for personal gain or a cheating cyclist can cut a sweetheart deal for themselves. It’s an unfair approach, applied selectively, in opposition to all the rules. It’s just not right.

USADA cannot assert control of a professional international sport and attempt to strip my seven Tour de France titles. I know who won those seven Tours, my teammates know who won those seven Tours, and everyone I competed against knows who won those seven Tours. We all raced together. For three weeks over the same roads, the same mountains, and against all the weather and elements that we had to confront. There were no shortcuts, there was no special treatment. The same courses, the same rules. The toughest event in the world where the strongest man wins. Nobody can ever change that. Especially not Travis Tygart.

Today I turn the page. I will no longer address this issue, regardless of the circumstances. I will commit myself to the work I began before ever winning a single Tour de France title: serving people and families affected by cancer, especially those in under-served communities. This October, my Foundation will celebrate 15 years of service to cancer survivors and the milestone of raising nearly $500 million. We have a lot of work to do and I'm looking forward to an end to this pointless distraction. I have a responsibility to all those who have stepped forward to devote their time and energy to the cancer cause. I will not stop fighting for that mission. Going forward, I am going to devote myself to raising my five beautiful (and energetic) kids, fighting cancer, and attempting to be the fittest 40-year old on the planet.

The following is a statement from the International Cycling Union (UCI), regarding the U.S. Anti-Doping Agency's announcement that it was giving cyclist Lance Armstrong a lifetime ban and disqualifying him from all competitive results since August 1, 1998:

The UCI notes Lance Armstrong’s decision not to proceed to arbitration in the case that USADA has brought against him.

The UCI recognises that USADA is reported as saying that it will strip Mr. Armstrong of all results from 1998 onwards in addition to imposing a lifetime ban from participating in any sport which recognises the World Anti-Doping Code.

Article 8.3 of the WADC states that where no hearing occurs the Anti-Doping Organisation with results management responsibility shall submit to the parties concerned (Mr. Armstrong, WADA and UCI) a reasoned decision explaining the action taken.

As USADA has claimed jurisdiction in the case the UCI expects that it will issue a reasoned decision in accordance with Article 8.3 of the Code.

Until such time as USADA delivers this decision the UCI has no further comment to make.

The following is a Friday statement from the U.S. Anti-Doping Agency, announcing it is giving cyclist Lance Armstrong a lifetime ban and disqualifying him from all competitive results since August 1, 1998:

USADA announced today that Lance Armstrong has chosen not to move forward with the independent arbitration process and as a result has received a lifetime period of ineligibility and disqualification of all competitive results from August 1, 1998, through the present, as the result of his anti-doping rule violations stemming from his involvement in the United States Postal Service (USPS) Cycling Team Doping Conspiracy (USPS Conspiracy).

Following the dismissal of Mr. Armstrong’s lawsuit on Monday, August 20, 2012, by the federal court in Austin, Texas, Mr. Armstrong had until midnight on Thursday, August 23, to contest the evidence against him in a full evidentiary hearing with neutral arbitrators as provided by U.S. law. However, when given the opportunity to challenge the evidence against him, and with full knowledge of the consequences, Mr. Armstrong chose not to contest the fact that he engaged in doping violations from at least August 1, 1998, and participated in a conspiracy to cover up his actions. As a result of Mr. Armstrong’s decision, USADA is required under the applicable rules, including the World Anti-Doping Code under which he is accountable, to disqualify his competitive results and suspend him from all future competition.

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