
The IU Health 500 Festival Mini-Marathon is the largest half marathon in the United States, and its signature sits between kilometre 9 and 14: a full 2.5-mile lap of the Indianapolis Motor Speedway oval, past the pits and over the Yard of Bricks. Around that lies a course with 44 metres of climbing, 92 per cent of it flat. That is personal-best terrain, if you can hold your pace.
The start is on West Street in the middle of downtown Indianapolis. Inside the first kilometre the course drops down Washington Street to the White River, past White River State Park and the Indianapolis Zoo, at 208 metres the lowest point of the first half. From there it runs consistently west: West Michigan Street, Holt Road, 10th Street and finally Main Street up into Speedway, the small town that gives the track its name. Over those ten kilometres the course lifts barely fifteen metres, and you will not feel a metre of it.
At kilometre 9.2 Shaw Drive takes you onto the grounds of the Indianapolis Motor Speedway. What follows is a complete lap of the 2.5-mile oval in the racing direction: north up the backstretch, west across the north straight at 224 metres, the high point of the day, then south down the main straight alongside the pits and over the Yard of Bricks, where runners traditionally stop to kiss the bricks. You run on the warm-up lane and the pit lane, not on the banked racing surface. At kilometre 14.3 the course leaves the oval again.
The way home is the fastest part of the course and the most monotonous: 16th Street, Olin Avenue, then roughly three kilometres arrow-straight east on 10th Street, then New York Street. Shortly before kilometre 20 the course drops to the White River one last time and climbs four metres back onto the downtown terrace over the closing kilometres. The finish is on West New York Street beside Military Park. The surface is closed city asphalt throughout, and with more than 20,000 starters and around a hundred music and cheer acts along the route it is loud almost the whole way.
| Start | Length | Ø | Max. | Gain | Cat. |
|---|
Climb categories follow the road-cycling convention and rate the terrain itself (length and gradient) regardless of sport: Cat. 4 marks the easiest rated climbs, Cat. 1 the hardest, and HC (hors catégorie, “beyond categorization”) is reserved for the most brutal ascents. Short climbs below the Cat. 4 threshold stay unrated.
The profile makes no decision for you: 92 per cent of the course is flat, there is not a single rise the profile counts as a climb, and the net elevation between start and finish is zero. That makes the plan an even or slightly negative split over the full distance. The first three kilometres through downtown are the classic mistake: the road tips gently down towards the White River, spectator density is at its highest and the corral waves push you into somebody else's rhythm.
The race is decided between kilometre 9 and 14 on the Speedway. The oval is wide, open and visually featureless: no buildings to measure yourself against, no sense of distance, far fewer spectators than downtown. That is where runners quietly lose thirty to sixty seconds, and if you intend to stop at the Yard of Bricks to kiss them, plan the stop rather than making it on impulse.
The second trap lies after the oval. From kilometre 15 you run three kilometres dead straight east, without a bend, without shade and with the final third of the race in your legs. The later corrals do not start until 08:40 and cover that return leg in noticeably warmer air than the first wave. If that is your start time, plan fuelling and a slightly more conservative opening pace around it.

For most age-group runners the effort lasts between 1:45 and 2:30; walkers need 3:15 to 4:00 by the organizer's own reckoning, and the course closes at four hours. The demand is uniformly aerobic across the whole distance: no climb, no technical section, no point where you would need to change gear. That makes the course harder than it looks: there is no descent in which an over-fast start quietly evens itself out.
The decisive sections are the Speedway lap and the long straight east that follows. Both ask for the same thing: pace discipline with no external feedback. Train long tempo blocks of 40 to 70 minutes at goal race pace on terrain with as little stimulus as possible (a cycle path, a levee, an airport road) and run them deliberately without a group. If all your quality work happens on rolling loops with constant changes of rhythm, you have no reference for 21 kilometres of unchanging cadence.
Conditions are the second training input. Early May in Indiana can be anything from a cool five degrees to a humid twenty-five, the finish falls late in the morning, and both the western straights and the oval are completely without shade. A handful of spring sessions in midday sun, a drinking strategy you have actually tested, and a clothing decision that covers both a cold 07:40 start and a warm finish are not details here: they are the difference between a plan and improvisation.
Priorities in preparation: threshold and race-pace work as the main stimulus, one long run that at least brushes your projected race duration, and running economy on hard asphalt, because the course is road from end to end and the loading pattern repeats almost identically for two hours. This course needs no hill or trail training at all.

Download the IU Health 500 Festival Mini-Marathon course as a GPX file for your watch or bike computer.
Ben connects your goal, the course, current load, recovery, and calendar. Your plan stays pointed at race day even when real life is not perfectly plannable.
IU Health 500 Festival Mini-Marathon is 21.1 km long. That distance shapes how much aerobic endurance, pace durability, and race-specific work belong in the training plan.
IU Health 500 Festival Mini-Marathon has around 44 m of elevation gain over 21.1 km. That affects pacing, muscular load, and preparation for late-race sections.
IU Health 500 Festival Mini-Marathon is classified as Flat, averaging 2.1 vertical metres per kilometre. 93% of the route is flat, 5% climbs moderately (2 to 6%) and 0% is steeper than 6%.
Yes, IU Health 500 Festival Mini-Marathon is laid out as a loop: start and finish are in the same place.
Yes. The IU Health 500 Festival Mini-Marathon course is on this page as a free GPX download — ready to import into Garmin, Wahoo, Komoot, Strava or any other app that reads GPX.
Preparation for IU Health 500 Festival Mini-Marathon should account for 21.1 km, 44 m of elevation gain, current training load, and available training time. An adaptive plan helps place key sessions without ignoring recovery and real life.
The pacing strategy for IU Health 500 Festival Mini-Marathon should reflect 21.1 km, 44 m of elevation gain, and your current fitness. Start controlled and keep margin for sections where the profile or fatigue makes target pace harder.
IU Health 500 Festival Mini-Marathon takes place on May 8, 2027.
IU Health 500 Festival Mini-Marathon takes place in Indianapolis, United States.
IU Health 500 Festival Mini-Marathon offers 2 distances — Mini-Marathon: 21.1 km; 5K: 5 km.
Registration runs through the organiser: indymini.com. YOUB shows you the course, elevation profile and training plan for your preparation.