slogfest

plural slogfests

1. informalAn activity or event characterized by a long duration and an exhausting, wearisome perception by its participants.

   "Whatever the reason, he took the land route; and it was hard going, a slogfest."

   1967, Donald Barr Chidsey, The War in the North: An Informal History of the American Revolution in and near Canada, Crown Publishers, page 134

   2 more examples

   "Inexperienced people and kids may appreciate moderate weather, easy terrain, and an easy first find rather than an all-day slogfest that doesn't locate the cache until dusk—or not at all—and leaves everyone drenched to the bone."

   2004, Layne Cameron, The Geocaching Handbook, The Globe Pequot Press, page 74

   "An otherwise challenging and fun endurance endeavor can dissolve into a slog fest or worse, a never-ending nightmare."

   2007, Suzanne Girard Eberle, Endurance Sports Nutrition, 2nd edition, Human Kinetics Publishers, pages 233–34