country. Competitions were held at the stadium of the Smolensk Academy of Physical Culture. Artyom Makarenko and Victoria Vaseykina won the outdoor national championship for the first time in their career. Vaseykina's victory was secured by 5743 points - the lowest winning score among for the heptathlon championship since 1992. Men Women Half marathon The 2018 Russian Half Marathon Championships was held on 2 September in Yaroslavl as part of the Yaroslavl Half Marathon. The circuit was a circular 10.55 km route set in the historic part of the city. A total of 47 athletes (29 men and 18 women) from 24 regions of the country took the start. Competitions were held in warm and sunny weather. In the women's run, Irina Sergeeva took the lead from the start. Tatyana Arkhipova overtook her on the second lap of the course and won by a margin of twelve seconds. In the men's race, the top three contenders for the medals were determined after the 15th kilometer. Artem Aplachkin, who won the Russian title for the second time in his career, was the fastest in the final segment. Men Women 15K The 2018 Russian 15K Championships were held on 9 September in Saransk as part of the 46th run in the memory of Peter Bolotnikov. A total of 49 athletes (31 men and 18 women) from 12 regions of the country entered the competition. 31-year-old Ilya Zmaznev for the first time in his career became national champion. Elena Nagovitsyna won the women's race, following a fourth place finish at the half marathon championship a week earlier. Men Women 100 km The 2018 Russian 100 km Championships was held on 9 September in Saint Petersburg. The competition took place on Krestovsky Island on a circular track 2.5 km long under comfortable weather conditions (cloudy, up to +20 degrees). A total of 33 athletes (21 men and 12 women) from 20 regions of the country took the start. The main surprise of the men's race was the withdrawal of the current champion and record holder of Russia Vasily Larkin. From the start, he stepped forward along with Vsevolod Khudyakov, after the 30th kilometer he made a successful break-away attempt and at some point had an almost minute advantage. However, after the middle of the distance, the gap began to decrease: by 60 km, the leaders again caught up, and after the 75th km, Larkin