Samuel Ferro
Boston, MA
Bib: 26512 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 | 36:17 | 11:41 | 3.11 mi | 36:17 | 11:41 | - | |
10K | 1:11:00 | 11:26 | 3.10 mi | 34:43 | 11:10 | -0:31 | |
15K | 1:45:35 | 11:20 | 3.11 mi | 34:35 | 11:08 | -0:02 | |
21K | 2:33:24 | 11:45 | 3.73 mi | 47:49 | 12:50 | +1:42 | |
25K | 3:01:31 | 11:41 | 2.48 mi | 28:07 | 11:19 | -1:31 | |
30K | 3:38:32 | 11:43 | 3.11 mi | 37:01 | 11:55 | +0:36 | |
35K | 4:17:59 | 11:52 | 3.11 mi | 39:27 | 12:42 | +0:47 | |
40K | 5:03:52 | 12:14 | 3.10 mi | 45:53 | 14:46 | +2:04 | |
Finish(26.22 mi) | 5:21:48 | 12:17 | 1.37 mi | 17:56 | 13:09 | -1:37 |
Checkpoints & Pacing
Pace Line
Fastest Pace
11:08 /mi
Average Pace
12:17 /mi
Slowest Pace
14:46 /mi
Segments
Time at Faster Pace
1:37:25
30% of race
Time at Steady Pace
1:13:18
23% of race
Time at Slower Pace
2:31:05
47% of race
Average Pace: 12:16 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Males | M25-29 | Seg. Overall | Seg. Males | Seg. M25-29 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 22203 | 14135 | 2418 | 21418 | 13731 | 2398 |
| 10K | 3.10 mi | 22573-370 | 14333-198 | 2441-23 | 23109 | 14604 | 2470 |
| 15K | 3.11 mi | 22133+440 | 14116+217 | 2425+16 | 21418 | 13731 | 2398 |
| 21K | 3.73 mi | 23224-1091 | 14629-513 | 2490-65 | 24928 | 15384 | 2555 |
| 25K | 2.48 mi | 22384+840 | 14150+479 | 2425+65 | 19308 | 12269 | 2183 |
| 30K | 3.11 mi | 21407+977 | 13554+596 | 2359+66 | 18218 | 11498 | 2082 |
| 35K | 3.11 mi | 21020+387 | 13239+315 | 2322+37 | 18976 | 11551 | 2075 |
| 40K | 3.10 mi | 21358-338 | 13315-76 | 2334-12 | 23518 | 13912 | 2378 |
| Finish(26.22 mi) | 1.37 mi | 21197+161 | 13200+115 | 2325+9 | 19649 | 11831 | 2147 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
21418
Males
13731
M25-29
13731
5K→10K
3.1 - 6.2 mi
Overall
23109
Males
14604
M25-29
14604
10K→15K
6.2 - 9.3 mi
Overall
21418
Males
13731
M25-29
13731
15K→21K
9.3 - 13.1 mi
Overall
24928
Males
15384
M25-29
15384
21K→25K
13.1 - 15.5 mi
Overall
19308
Males
12269
M25-29
12269
25K→30K
15.5 - 18.6 mi
Overall
18218
Males
11498
M25-29
11498
30K→35K
18.6 - 21.8 mi
Overall
18976
Males
11551
M25-29
11551
35K→40K
21.8 - 24.9 mi
Overall
23518
Males
13912
M25-29
13912
40K→Finish
24.9 - 26.2 mi
Overall
19649
Males
11831
M25-29
11831
Passing Analysis
| Segment | Movement | Rank |
|---|---|---|
| Start → 5K | - | #22203 |
| 5K → 10K | 689319*-370 | #22203 → #22573 |
| 10K → 15K | 193633*+440 | #22573 → #22133 |
| 15K → 21K | 1347256*-1091 | #22133 → #23224 |
| 21K → 25K | 31871*+840 | #23224 → #22384 |
| 25K → 30K | 291006*+977 | #22384 → #21407 |
| 30K → 35K | 163550*+387 | #21407 → #21020 |
| 35K → 40K | 501163*-338 | #21020 → #21358 |
| 40K → Finish | 55216*+161 | #21358 → #21197 |
| TOTALS | 30084014*+1006 | #22203 → #21197 |
* 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