 Nyorai kupfuurira kweiyi ndima - Mapepanhau akanyora kuti Edmundson akaororwa nechimiro chake chakanaka uye kutsunga kusingazununguki. Iye ane mutoro wekuronga Idaho cross country timu muna 1908, iyo yakaisa hwaro hwechikwata icho chaizohwina mapfumbamwe Pacific Coast Musangano mazita. Muna 1908, Edmundson akaenda kuStanford kunopinda mumakwikwi eOlympic kumadokero kweUnited States, kwaakakunda mamita 800 uye akapedza wechipiri mumamita 400, asi haana kupinda muchikwata cheOlympic. Gare gare akabata zita rokuremekedzwa kwehafu-miler munyika kusvikira muna 1912. Edmundson akava muIdaho wokutanga kukwikwidza muMitambo yeOlympic muStockholm muna 1912. Akapedza ari wechinomwe mumamita 800 uye ari wechitanhatu mumamita 400. 