Those who failed to finish due to bombings offered guaranteed entry for next year.

The Boston Athletic Association, which organizes the Boston Marathon, has invited the non-finishers of this year’s race back to the 2014 Boston Marathon. More than 5,000 official starters were affected when the race was stopped at 2:50 p.m. after terrorist bombs went off near the finish line on Boylston Street.

The invitation only applies to 5,633 official entrants in the 2013 Boston Marathon who reached the halfway mark but were unable to cross the finish line.

“The opportunity to run down Boylston Street and to cross the finish line amid thousands of spectators is a significant part of the entire Boston Marathon experience,” B.A.A. executive direction Tom Grilk said in a statement. “With the opportunity to return and participate in 2014, we look forward to inviting back these athletes and we expect that most will renew their marathon training commitment. Boston spectators are known for their impassioned support and unbridled enthusiasm, and they will give these returning athletes some of the loudest cheers at next year’s race. We want to thank our participants for their patience as we continue to work through the details of arranging this accommodation for them, and we ask for continued patience from the running community as we plan the 2014 Boston Marathon next April.”

Registration for the 2014 Boston Marathon is scheduled to occur in September, and 2013 Boston Marathon participants who were unable to cross the finish line on Boylston Street will receive a non-transferable unique code in early August to be used for entry. An applicant’s entry will be guaranteed only during a designated registration period. Participants will be required to pay an entry fee, which has yet to be determined.

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The B.A.A. said no decision has been made on the maximum field size for the 2014 Boston Marathon, including the number of qualifiers and invitational applications available. The B.A.A. said it is working with many partners, including public safety officials, before determining changes, if necessary, to the event and the race.