Ann Kostelnick
North Liberty, IA
Bib: 16442 F
Race Timeline
The Course
Half Splits
Your race, unpacked
See your splits, ranks & AI insights.
Checkpoint Splits
| Checkpoint | Time | Avg Pace | Segment Length | Segment Time | Segment Pace | Trend | Diff |
|---|---|---|---|---|---|---|---|
5K | 31:27 | 10:07 | 3.11 mi | 31:27 | 10:07 | - | |
10K | 1:01:04 | 9:50 | 3.10 mi | 29:37 | 9:32 | -0:35 | |
15K | 1:31:21 | 9:48 | 3.11 mi | 30:17 | 9:45 | +0:13 | |
21K | 2:08:15 | 9:50 | 3.73 mi | 36:54 | 9:54 | +0:09 | |
25K | 2:32:39 | 9:50 | 2.48 mi | 24:24 | 9:49 | -0:05 | |
30K | 3:08:21 | 10:06 | 3.11 mi | 35:42 | 11:29 | +1:40 | |
35K | 3:44:33 | 10:20 | 3.11 mi | 36:12 | 11:39 | +0:10 | |
40K | 4:20:53 | 10:30 | 3.10 mi | 36:20 | 11:42 | +0:03 | |
Finish(26.22 mi) | 4:36:59 | 10:34 | 1.37 mi | 16:06 | 11:48 | +0:06 |
Checkpoints & Pacing
Pace Line
Fastest Pace
9:32 /mi
Average Pace
10:34 /mi
Slowest Pace
11:48 /mi
Segments
Time at Faster Pace
29:37
11% of race
Time at Steady Pace
2:03:02
44% of race
Time at Slower Pace
2:04:20
45% of race
Average Pace: 10:34 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Females | F40-44 | Seg. Overall | Seg. Females | Seg. F40-44 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 8194 | 2298 | 262 | 7878 | 2176 | 244 |
| 10K | 3.10 mi | 8135+59 | 2247+51 | 247+15 | 8055 | 2204 | 243 |
| 15K | 3.11 mi | 8015+120 | 2203+44 | 241+6 | 7878 | 2176 | 244 |
| 21K | 3.73 mi | 7883+132 | 2176+27 | 241 | 7809 | 2174 | 240 |
| 25K | 2.48 mi | 7789+94 | 2164+12 | 245-4 | 7829 | 2299 | 251 |
| 30K | 3.11 mi | 8194-405 | 2386-222 | 267-22 | 9972 | 3313 | 366 |
| 35K | 3.11 mi | 8413-219 | 2525-139 | 281-14 | 9458 | 3301 | 371 |
| 40K | 3.10 mi | 8367+46 | 2589-64 | 290-9 | 8491 | 3031 | 348 |
| Finish(26.22 mi) | 1.37 mi | 8407-40 | 2619-30 | 294-4 | 9420 | 3429 | 381 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
7878
Females
2176
F40-44
2176
5K→10K
3.1 - 6.2 mi
Overall
8055
Females
2204
F40-44
2204
10K→15K
6.2 - 9.3 mi
Overall
7878
Females
2176
F40-44
2176
15K→21K
9.3 - 13.1 mi
Overall
7809
Females
2174
F40-44
2174
21K→25K
13.1 - 15.5 mi
Overall
7829
Females
2299
F40-44
2299
25K→30K
15.5 - 18.6 mi
Overall
9972
Females
3313
F40-44
3313
30K→35K
18.6 - 21.8 mi
Overall
9458
Females
3301
F40-44
3301
35K→40K
21.8 - 24.9 mi
Overall
8491
Females
3031
F40-44
3031
40K→Finish
24.9 - 26.2 mi
Overall
9420
Females
3429
F40-44
3429
Passing Analysis
| Segment | Movement | Rank |
|---|---|---|
| Start → 5K | - | #8194 |
| 5K → 10K | 192251*+59 | #8194 → #8135 |
| 10K → 15K | 127247*+120 | #8135 → #8015 |
| 15K → 21K | 117249*+132 | #8015 → #7883 |
| 21K → 25K | 94188*+94 | #7883 → #7789 |
| 25K → 30K | 513108*-405 | #7789 → #8194 |
| 30K → 35K | 383164*-219 | #8194 → #8413 |
| 35K → 40K | 181227*+46 | #8413 → #8367 |
| 40K → Finish | 9656*-40 | #8367 → #8407 |
| TOTALS | 17031490*-213 | #8194 → #8407 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visualized
Passing Circle
Position Flow
Race Lanes
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Race managed by
U.S. Marine Corps Community Services (MCCS)
Race timed by
Timing Productions