Race Performance Report
Isaac's 50.5% age-graded score places him in the Recreational category — out there enjoying the distance and completing the event.
Race Story
Key Insights
Pacing Breakdown
Pacing Efficiency
Pace held well overall, with a mild second-half slowdown.
Race Benchmarking
How the athlete stacked up against the field in this race.
Analysis coverage: Strong — based on 12 timed segments, official finish results, field rankings. Timing data identifies patterns, but may not capture factors such as race goals, stops, fueling, or course conditions.
Race Timeline
The Course
Half Splits
Checkpoint Splits
| Checkpoint | Time | Avg Pace | Segment Length | Segment Time | Segment Pace | Trend | Diff |
|---|---|---|---|---|---|---|---|
1M | 8:33 | 8:34 | 1.00 mi | 8:33 | 8:34 | - | |
10K | 53:34 | 8:43 | 5.15 mi | 45:01 | 8:44 | +0:10 | |
7.6M | 1:06:33 | 8:44 | 1.47 mi | 12:59 | 8:50 | +0:06 | |
12M | 1:45:47 | 8:46 | 4.44 mi | 39:14 | 8:50 | 0:00 | |
Half(13.07 mi) | 1:54:37 | 8:46 | 1.01 mi | 8:50 | 8:44 | -0:06 | |
14.2M | 2:05:18 | 8:47 | 1.20 mi | 10:41 | 8:54 | +0:10 | |
18M | 2:39:11 | 8:51 | 3.73 mi | 33:53 | 9:05 | +0:11 | |
19.9M | 2:56:52 | 8:54 | 1.86 mi | 17:41 | 9:30 | +0:25 | |
22M | 3:16:36 | 8:58 | 2.05 mi | 19:44 | 9:38 | +0:08 | |
23.2M | 3:28:04 | 9:00 | 1.20 mi | 11:28 | 9:33 | -0:05 | |
25.2M | 3:49:17 | 9:06 | 2.09 mi | 21:13 | 10:09 | +0:36 | |
Finish(26.22 mi) | 3:58:54 | 9:07 | 1.02 mi | 9:37 | 9:27 | -0:42 |
Checkpoints & Pacing
Pace Line
Fastest Pace
8:34 /mi
Average Pace
9:07 /mi
Slowest Pace
10:09 /mi
Segments
Time at Faster Pace
2:39:11
67% of race
Time at Steady Pace
58:30
24% of race
Time at Slower Pace
21:13
9% of race
Average Pace: 9:07 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Males | M30-34 | Seg. Overall | Seg. Males | Seg. M30-34 |
|---|---|---|---|---|---|---|---|
| 1M | 1.00 mi | 266 | 231 | 39 | 266 | 231 | 39 |
| 10K | 5.15 mi | 331-65 | 288-57 | 53-14 | 339 | 294 | 56 |
| 7.6M | 1.47 mi | 334-3 | 290-2 | 54-1 | 355 | 307 | 58 |
| 12M | 4.44 mi | 334 | 291-1 | 55-1 | 338 | 291 | 56 |
| Half(13.07 mi) | 1.01 mi | 327+7 | 286+5 | 53+2 | 333 | 288 | 52 |
| 14.2M | 1.20 mi | 323+4 | 282+4 | 51+2 | 323 | 280 | 52 |
| 18M | 3.73 mi | 322+1 | 282 | 53-2 | 332 | 284 | 58 |
| 19.9M | 1.86 mi | 321+1 | 279+3 | 52+1 | 356 | 302 | 61 |
| 22M | 2.05 mi | 323-2 | 279 | 52 | 304 | 258 | 49 |
| 23.2M | 1.20 mi | 319+4 | 272+7 | 52 | 271 | 224 | 45 |
| 25.2M | 2.09 mi | 313+6 | 267+5 | 53-1 | 268 | 220 | 43 |
| Finish(26.22 mi) | 1.02 mi | 311+2 | 264+3 | 52+1 | 328 | 263 | 55 |
Segment Performance Analysis
Start → 1M
0.0 - 1.0 mi
Overall
266
Males
231
M30-34
39
1M→10K
1.0 - 6.2 mi
Overall
339
Males
294
M30-34
56
10K→7.6M
6.2 - 7.6 mi
Overall
355
Males
307
M30-34
58
7.6M→12M
7.6 - 12.1 mi
Overall
338
Males
291
M30-34
56
12M→Half
12.1 - 13.1 mi
Overall
333
Males
288
M30-34
52
Half→14.2M
13.1 - 14.3 mi
Overall
323
Males
280
M30-34
52
14.2M→18M
14.3 - 18.0 mi
Overall
332
Males
284
M30-34
58
18M→19.9M
18.0 - 19.9 mi
Overall
356
Males
302
M30-34
61
19.9M→22M
19.9 - 21.9 mi
Overall
304
Males
258
M30-34
49
22M→23.2M
21.9 - 23.1 mi
Overall
271
Males
224
M30-34
45
23.2M→25.2M
23.1 - 25.2 mi
Overall
268
Males
220
M30-34
43
25.2M→Finish
25.2 - 26.2 mi
Overall
328
Males
263
M30-34
55
Your segment insights are in your Race Performance Report.
Passing Analysis
No position changes recorded for this athlete.
Boston Qualifying analysis available
NYC Marathon Qualifying analysis available
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Questions or issues regarding timing data?
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