For earlier editions of The Challenge, please contact the Clerk.
2025
| January 2025 | eChallenge Jan 2025 |
| February 2025 | eChallenge Feb 2025 |
| March 2025 | eChallenge March 2025 |
| April 2025 | eChallenge April 25 |
| May 2025 | eChallenge May 25 |
| June 2025 | eChallenge June 2025 |
| July 2025 | eChallenge July 25 |
| August 2025 | eChallenge Aug 25 |
| September 2025 | eChallenge Sept 2025 |
| October 2025 | eChallenge Oct 25 |
2024
| January 2024 | eChallenge Jan 2024 |
| February 2024 | eChallenge Feb 2024 |
| March 2024 | eChallenge March 24 |
| April 2024 | eChallenge April 24 |
| May 2024 | eChallenge May 24 |
| June 2024 | eChallenge June 24 |
| July 2024 | eChallenge July 24 |
| August 2024 | eChallenge Aug 24 |
| September 2024 | eChallenge Sept 24 |
| October 2024 | eChallenge Oct 2024 |
| November 2024 | eChallenge Nov 2024 |
| December 2024 | eChallenge Dec 2024 |
2023
| January 2023 | eChallenge Jan 2023 |
| February 2023 | eChallenge Feb 2023 |
| March 2023 | eChallenge March 2023 |
| April 2023 | eChallenge April 2023 |
| May 2023 | eChallenge May 2023 |
| June 2023 | eChallenge June 23 |
| July 2023 | eChallenge July 23 |
| August 2023 | eChallenge August 23 |
| September 2023 | eChallenge Sept 23 |
| October 2023 | eChallenge Oct 2023 |
| November 2023 | eChallenge Nov 2023 |
| December 2023 | eChallenge Dec 2023 |