Leland Pereira
Cambridge, MA
Bib: 18470 M
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 | 35:29 | 11:25 | 3.11 mi | 35:29 | 11:25 | - | |
10K | 1:08:21 | 11:00 | 3.10 mi | 32:52 | 10:35 | -0:50 | |
15K | 1:41:36 | 10:54 | 3.11 mi | 33:15 | 10:42 | +0:07 | |
21K | 2:21:38 | 10:51 | 3.73 mi | 40:02 | 10:44 | +0:02 | |
25K | 2:47:25 | 10:47 | 2.48 mi | 25:47 | 10:22 | -0:22 | |
30K | 3:21:46 | 10:49 | 3.11 mi | 34:21 | 11:03 | +0:41 | |
35K | 3:54:39 | 10:47 | 3.11 mi | 32:53 | 10:35 | -0:28 | |
40K | 4:30:44 | 10:54 | 3.10 mi | 36:05 | 11:37 | +1:02 | |
Finish(26.22 mi) | 4:46:09 | 10:55 | 1.37 mi | 15:25 | 11:18 | -0:19 |
Checkpoints & Pacing
Pace Line
Fastest Pace
10:22 /mi
Average Pace
10:55 /mi
Slowest Pace
11:37 /mi
Segments
Time at Faster Pace
3:34:35
75% of race
Time at Steady Pace
1:11:34
25% of race
Time at Slower Pace
0:00
0% of race
Average Pace: 10:55 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Males | M25-29 | Seg. Overall | Seg. Males | Seg. M25-29 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 20750 | 13357 | 2307 | 19060 | 12498 | 2244 |
| 10K | 3.10 mi | 20236+514 | 13112+245 | 2294+13 | 19609 | 12801 | 2269 |
| 15K | 3.11 mi | 19669+567 | 12812+300 | 2272+22 | 19060 | 12498 | 2244 |
| 21K | 3.73 mi | 18658+1011 | 12268+544 | 2200+72 | 17107 | 11381 | 2105 |
| 25K | 2.48 mi | 17891+767 | 11816+452 | 2151+49 | 15334 | 10186 | 1919 |
| 30K | 3.11 mi | 17151+740 | 11303+513 | 2078+73 | 14959 | 9755 | 1840 |
| 35K | 3.11 mi | 15950+1201 | 10512+791 | 1970+108 | 11387 | 7441 | 1475 |
| 40K | 3.10 mi | 15540+410 | 10159+353 | 1931+39 | 13769 | 8466 | 1644 |
| Finish(26.22 mi) | 1.37 mi | 15383+157 | 10023+136 | 1908+23 | 13096 | 8060 | 1619 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
19060
Males
12498
M25-29
12498
5K→10K
3.1 - 6.2 mi
Overall
19609
Males
12801
M25-29
12801
10K→15K
6.2 - 9.3 mi
Overall
19060
Males
12498
M25-29
12498
15K→21K
9.3 - 13.1 mi
Overall
17107
Males
11381
M25-29
11381
21K→25K
13.1 - 15.5 mi
Overall
15334
Males
10186
M25-29
10186
25K→30K
15.5 - 18.6 mi
Overall
14959
Males
9755
M25-29
9755
30K→35K
18.6 - 21.8 mi
Overall
11387
Males
7441
M25-29
7441
35K→40K
21.8 - 24.9 mi
Overall
13769
Males
8466
M25-29
8466
40K→Finish
24.9 - 26.2 mi
Overall
13096
Males
8060
M25-29
8060
Passing Analysis
| Segment | Movement | Rank |
|---|---|---|
| Start → 5K | - | #20750 |
| 5K → 10K | 254768*+514 | #20750 → #20236 |
| 10K → 15K | 161728*+567 | #20236 → #19669 |
| 15K → 21K | 931104*+1011 | #19669 → #18658 |
| 21K → 25K | 39806*+767 | #18658 → #17891 |
| 25K → 30K | 85825*+740 | #17891 → #17151 |
| 30K → 35K | 131214*+1201 | #17151 → #15950 |
| 35K → 40K | 160570*+410 | #15950 → #15540 |
| 40K → Finish | 60217*+157 | #15540 → #15383 |
| TOTALS | 8656232*+5367 | #20750 → #15383 |
* 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