Date
December 6, 2026
Field Size
Small (<500)
PR Score
97.4 / 100
BQ Rate
8.9%
Race Watchlist
Get monthly BQ intel with course trends, registration reminders, and fast-race picks before you commit.
PR Score of 97.41, indicating a very flat course for optimal performance.
BQ Rate of 8.9%, providing a reasonable chance to qualify for Boston.
Field size of 123 finishers, contributing to a less congested experience on race day.
Course features minimal elevation changes, allowing runners to maintain consistent form throughout.
With a PR score of 97.41, this course stands out for its flatness, making it a contender for those looking to set personal bests. Harlingen's winter climate can be favorable for racing, allowing runners to focus on their pace rather than battling the elements. Despite only 123 finishers in previous years, the race holds a respectable BQ rate of 8.9%, indicating that it can be a viable option for qualifying runners. Expect a small-town atmosphere with a supportive community cheering you on throughout the run.
South Texas International Marathon is an Emerging BQ venue — a legitimate qualifier for committed runners, though BQ rates are still building as the race grows. Historically, around 8.9% of finishers have posted Boston-qualifying times here. The course profile rewards runners who execute a well-paced effort from the start.
Focus on even splits given the flat terrain, as this will help conserve energy for any potential late-race push. Be aware of the small field size; use this to your advantage by finding a group to run with, ensuring you stay motivated and maintain your pace.
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
71.7°F / 61.0°F
Conditions
Rainy
Precipitation
0.23 in
Wind
9.8 mph
Historical averages · Source: Open-Meteo · Actual conditions will vary
Typical conditions: Mild (50–65°F), low humidity. Winter races reward layers at the start line — most runners strip down after the first few miles as effort warms them up.
Find accommodation for race weekend in Harlingen, TX.
Hotel links may earn a small commission at no cost to you.
Fast Course Briefing
One email per month. Course trends, registration deadlines, and editor-picked qualifiers.