• Ultramarathon
  • 50 km
  • Solon
  • Event weekend starts
  • Past event

Lake Macbride Trail Races (formerly Hawkeye 50K & 25K), Solon Ultramarathon

This race edition

Race date
Date not confirmed for this distance
Race timezone
Timezone not confirmed
Edition status
Status not confirmed

Entry options

2026 edition

Entry options are not yet confirmed for this edition. Check the organiser before making plans.

Decision summary

Lake Macbride Trail Races (formerly Hawkeye 50K & 25K), Solon Ultramarathon at a glance

Cut-off average pace
10:48/km

9:00:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.

Typical conditions
44/100

Historical race-date favourability, not a forecast

Evidence depth
39 verified facts

Source facts available

Route details

Known course facts at a glance

Methodology →

Lake Macbride Trail Races (formerly Hawkeye 50K & 25K), Solon Ultramarathon has known course details for its ultramarathon race. The summary below keeps the focus on what is confirmed for the course.

Official distance
50 km
Terrain
Trail
Scenery
Parkland, Lakeside, Forest, Coastal, Countryside

Quick answers

What runners ask first

How hilly is the Lake Macbride Trail Races (formerly Hawkeye 50K & 25K), Solon Ultramarathon?

The Lake Macbride Trail Races (formerly Hawkeye 50K & 25K), Solon Ultramarathon is described as rolling.

Where does the Lake Macbride Trail Races (formerly Hawkeye 50K & 25K), Solon Ultramarathon route go?

The Lake Macbride Trail Races (formerly Hawkeye 50K & 25K), Solon Ultramarathon route starts at Lake Macbride Spillway parking area, Lake Macbride State Park, Solon, IA and finishes at Lake Macbride Spillway parking area (after final Spillway crossing). Underfoot, expect mixed trail: crushed limestone, single track, prairie, and snowmobile trails; nearly all on trails, avoiding major road/highway sections. It passes Lake Macbride, Macbride Spillway, Macbride Dam, North Shore Trail and North Snowmobile trails. Successor to the long-running Hawkeye 50K & 25K, rebranded as the Lake Macbride Trail Races with a new course, new name and new time of year (mid-summer).

What should runners know on race day for the Lake Macbride Trail Races (formerly Hawkeye 50K & 25K), Solon Ultramarathon?

Four aid stations per loop: Opie Road, Start/Finish, University Trails, and Anglers Point. 4.

Race character

Scenery

  • Parkland
  • Lakeside
  • Forest
  • Coastal
  • Countryside

Atmosphere

  • Community
  • Scenic Tour

Terrain

  • Trail
Elevation character
Rolling
Technicality
Moderate

Entry, logistics and records

Records and field

Field size
Capped at 175 combined runners across both distances in year one.

Entry requirements

Entry status
Past event: The listed edition date has passed.
Cut-off
4:00PM cutoff (9 hours from the 7:00AM 50K start).
Qualification status
Open trail ultra with no qualifying standard; entry by open registration with a field cap and waitlist.

Race day logistics

Aid stations
Four aid stations per loop: Opie Road, Start/Finish, University Trails, and Anglers Point.
Expo / packet pickup
Packet pickup Friday July 17, 5:00-7:00PM at Big Grove Brewery in Iowa City, or race morning 6:00-7:30AM at the Spillway parking area.
Medal
Finishers receive a commemorative bib; entry includes a T-shirt and aid station/start-finish provisions.
Finisher tee
Entry includes a T-shirt.

Access and course status

Start
Lake Macbride Spillway parking area, Lake Macbride State Park, Solon, IA.
Finish
Lake Macbride Spillway parking area (after final Spillway crossing).

Course facts

Course type
Loop
Surface
Mixed trail: crushed limestone, single track, prairie, and snowmobile trails; nearly all on trails, avoiding major road/highway sections.
Landmarks
Lake Macbride, Macbride Spillway, Macbride Dam, North Shore Trail, North Snowmobile trails, Anglers Point, University Trails, Opie Road
Notable features
  • Successor to the long-running Hawkeye 50K & 25K, rebranded as the Lake Macbride Trail Races with a new course, new name and new time of year (mid-summer)
  • Loop course hugging the shore of Lake Macbride
  • crosses the dam at the Spillway twice per loop, with a technical North Snowmobile-trail section and a varied South Loop of single track, prairie and hills. 50K is two loops, 25K is one loop

What are typical race-day conditions?

  • 22°CTypical temperature
  • 15 kphTypical wind
  • 5 mmTypical rainfall
  • 44Favourability /100
Typical conditions for the race date and locality, warmer than the endurance-optimal window. These are climatological norms, not a forecast, and are shared across every distance at this event.