Trail Running calendar near Delmar 2026-2027

Autumn Leaf Run is a 5K trail event at Oakdale Nature Preserve in Freeport on 10/03/2026. The looped course crosses prairies, creek and wooded trails and raises funds for park improvements through the Freeport Parks Foundation.

A coffee themed untimed 2K and 5K fun run and walk at Case Creek Trails in Coal Valley on October 4, 2026, with hot coffee or hot chocolate and on course aid stations. Proceeds support Rock Island County Animal Care and Control via QC PAWS.

Trail ultra at Bethel Horizons in the Driftless Area offering 50K, 20M and 10M looped courses with mixed singletrack, grassy ridgelines, rocky climbs, fully stocked aid stations and chip timing.

Trail run and walk at Backbone State Park on October 10, 2026 with two route choices: a 4 mile loop and a 10K lake loop. Day of registration is available and proceeds support Backbone State Park.

A charity running event in Solon, Iowa featuring a timed 5K and a Monster Mile, with all proceeds to the Arthritis Foundation to support pediatric rheumatic disease awareness.

A loop-based trail event near Dubuque, IA, offering **100 mile** and **100 km** options on varied terrain with significant elevation and multiple scenic overlooks of the Mississippi River.

Experience the seasonal beauty of Clayton County at the Pony Hollow Trail 15K and 5K. Run through the historic Motor Mill park area and enjoy the autumn foliage on this established trail course.

Miner 49er in Dubuque offers 25K and 50K out and back trail courses through the Mines of Spain with significant elevation gain and three aid stations. The course includes single track, stone steps, stream crossings, and river views.

A Backyard Ultra in Colona, IL where runners repeat a single *4.17m* loop each hour until they stop. The course is mostly flat with one ravine hill and offers parking and space to camp.

A Backyard Ultra in Delmar IA on November 13, 2026 where runners complete a 4.16 mile loop each hour until one remains. Participants receive a 10x10 foot camp space, may bring 1 to 3 crew members, and registration is capped at 250.

Woodpecker Six is a six hour trail endurance run on November 14, 2026 in Central City, IA. The 1.2 mile loop includes two large climbs and stairs, with aid station food, a long sleeve race shirt, and awards for 24 plus loops.

Celebrate Thanksgiving with a 2 mile run through the wooded trails of Sheffield Illinois. Wear your best holiday costume for a chance to win prizes at this untimed community event.

A winter trail event at Governor Dodge State Park on Dec 5, 2026 offering 50K, 25K and 15K over horse trails, single and double track with multiple aid stations, cup-less hydration, and specific pacer and crewing rules for the 50K.

A four-race winter trail series in Dixon, Illinois, featuring events from 5K to 20K across mixed terrain. Individual race and full-series entry options are available, with series awards and completion apparel for multi-race finishers.

A looped trail event on March 27, 2027 in Lowell Park, Dixon, IL offering 33.75, 22.5, and 13.5 mile timed races plus an 806 relay, with a 2.25 mile alternating loop, manual lap tracking, aid at the start/finish, and awards.

An obstacle course event at Byron Motosports Park on May 22, 2027 offering 10K and 5K waves, Special Forces, Ruck division and a kids course, produced by a nonprofit honoring service members.