Date
March 28, 2026
Field Size
Small (<500)
PR Score
3.2 / 100
BQ Rate
3.2%
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Course profile is mostly flat, ideal for maintaining a consistent effort.
Only 63 finishers in 2026, leading to a less crowded experience and potentially easier navigation.
Low BQ rate of 3.2%, indicating that it may not be the best option for runners specifically targeting Boston qualification.
PR score of 3.2 reflects minimal elevation changes, providing a straightforward racing strategy.
With a PR score of 3.2, this marathon is a pretty flat run, making it appealing for runners looking to roll through the miles without too much elevation to contend with. Positioned in the quiet landscapes of Southern Illinois, the course offers a straightforward path that rarely strays from an even pace. Although the Boston Qualifying rate sits low at 3.2%, the marathon's intimate field size of just 63 finishers creates a focused environment without the chaos of larger races.
Rend Lake Marathon is an Emerging BQ venue — a legitimate qualifier for committed runners, though BQ rates are still building as the race grows. Historically, around 3.2% of finishers have posted Boston-qualifying times here. The course profile rewards runners who execute a well-paced effort from the start.
Focus on maintaining an even effort throughout the race, taking advantage of the flat terrain to avoid unnecessary surges. Given the small field, stay aware of your pacing and adjust according to the strengths or weaknesses of fellow runners.
Detailed elevation profile data is being prepared for this race. Check back soon for interactive course analysis.
Historical average based on 3-year data for this race date
Temp
63.6°F / 43.6°F
Conditions
Partly Cloudy
Precipitation
0.00 in
Wind
11.8 mph
Historical averages · Source: Open-Meteo · Actual conditions will vary
Typical conditions: Cool to mild (45–65°F), variable conditions. Spring race-day temperatures can shift quickly — check the forecast in the week before and plan your kit for a range of conditions.
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