Weather
Climate Avg| Time | Temp | Dew Pt | Humidity | Wind | Conditions |
|---|---|---|---|---|---|
| Start | 46.6 – 46.6°F | 38° Crisp | 72 – 72% | 5 mph SW | Clear sky |
| 8:00 AM | 49.6 – 49.6°F | 39° Crisp | 67 – 67% | 8 mph SW | Clear sky |
| Finish | 53.2 – 63.2°F | 54° Nice | 68 – 98% | 5 mph S | Clear sky |
Based on 3-year average for this date. Real forecast available in 280 days.
Elevation Profile
Course Stats
Mile Splits
| Mile | Grade |
|---|---|
| 1 | -1.3% |
| 2 | -0.6% |
| 3 | +0.6% |
| 4 | +0.3% |
| 5 | +0.1% |
| 6 | -0.1% |
| 7 | +0.2% |
| 8 | +0.0% |
| 9 | -0.2% |
| 10 | -0.1% |
| 11 | +0.0% |
| 12 | +0.0% |
| 13 | -0.3% |
| 14 | +0.2% |
RM Difficulty Index
Race-Day Weather History
Race-morning conditions on this date over the past 5 years: median 59°F with a 56°F dew point and 4 mph wind. 3 of 5 years were warm enough to slow race pace.
| Year | Temp | Dew Pt | Wind | Rain | Sky |
|---|---|---|---|---|---|
| 2025 | 59°F | 56°F | 4 mph | — | Drizzle |
| 2024 | 62°F | 62°F | 3 mph | — | Partly cloudy |
| 2023 | 62°F | 59°F | 6 mph | 0.06" | Rain |
| 2020 | 50°F | 46°F | 8 mph | 0.09" | Rain |
| 2017 | 43°F | 22°F | 1 mph | — | Clear |
Morning conditions (race window) on the 500 Festival Mini-Marathon calendar date each year, from the ERA5 reanalysis archive — the race’s usual slot, not necessarily each edition’s exact day.
Indianapolis Mini-Marathon Pace Calculator & Race Plan
The Indy Mini is one of the largest half marathons in the country, featuring a 2.5-mile lap on the Indianapolis Motor Speedway oval. The course is flat with only about 200 feet of gain, making it fast. The speedway lap is a unique experience.
May in Indianapolis brings comfortable running conditions. Our model focuses on pacing this flat, fast course.
500 Festival Mini-Marathon FAQ
When is the next 500 Festival Mini-Marathon?›
The next 500 Festival Mini-Marathon is on Saturday, May 8, 2027.
How long is the 500 Festival Mini-Marathon?›
The 500 Festival Mini-Marathon is 13.1 miles (21.097 km), the standard half marathon distance. It runs in Indianapolis, IN.
How much elevation gain does the 500 Festival Mini-Marathon have?›
The 500 Festival Mini-Marathon has about 380 ft (116 m) of climbing and 447 ft of descent, with a maximum grade of 37.5%.
Is the 500 Festival Mini-Marathon flat, downhill, or hilly?›
The 500 Festival Mini-Marathon is a net downhill course, dropping 66 ft (20 m) from start to finish, with 380 ft of climbing along the way.
How hard is the 500 Festival Mini-Marathon?›
Runner's Math scores the 500 Festival Mini-Marathon 33/100 (Moderate) — #12 of 16 half marathons in our library, ranked by modeled time cost. The profile costs about 0:18 versus a flat course for a runner at 4:00-marathon pace.
What's the weather usually like at the 500 Festival Mini-Marathon?›
Over the past 5 years on this date, median race-morning conditions were 59°F with a 56°F dew point and 4 mph wind. 3 of 5 years were warm enough to slow race pace.