Tina Chirgwin
Charlestown, MA
Bib: 34754 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 | 39:25 | 12:41 | 3.11 mi | 39:25 | 12:41 | - | |
10K | 1:17:28 | 12:28 | 3.10 mi | 38:03 | 12:15 | -0:26 | |
15K | 1:56:50 | 12:32 | 3.11 mi | 39:22 | 12:40 | +0:25 | |
21K | 2:47:36 | 12:51 | 3.73 mi | 50:46 | 13:37 | +0:57 | |
25K | 3:21:57 | 13:00 | 2.48 mi | 34:21 | 13:49 | +0:12 | |
30K | 4:07:02 | 13:15 | 3.11 mi | 45:05 | 14:31 | +0:42 | |
35K | 4:51:03 | 13:23 | 3.11 mi | 44:01 | 14:10 | -0:21 | |
40K | 5:35:48 | 13:31 | 3.10 mi | 44:45 | 14:24 | +0:14 | |
Finish(26.22 mi) | 5:55:42 | 13:35 | 1.37 mi | 19:54 | 14:35 | +0:11 |
Checkpoints & Pacing
Pace Line
Fastest Pace
12:15 /mi
Average Pace
13:35 /mi
Slowest Pace
14:35 /mi
Segments
Time at Faster Pace
1:56:50
33% of race
Time at Steady Pace
2:53:53
49% of race
Time at Slower Pace
1:04:59
18% of race
Average Pace: 13:34 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Females | F45-49 | Seg. Overall | Seg. Females | Seg. F45-49 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 26615 | 10306 | 980 | 26968 | 10524 | 996 |
| 10K | 3.10 mi | 26904-289 | 10471-165 | 1008-28 | 27105 | 10597 | 1023 |
| 15K | 3.11 mi | 26948-44 | 10484-13 | 999+9 | 26968 | 10524 | 996 |
| 21K | 3.73 mi | 27032-84 | 10567-83 | 1008-9 | 26920 | 10603 | 1011 |
| 25K | 2.48 mi | 27040-8 | 10632-65 | 1011-3 | 26606 | 10665 | 1029 |
| 30K | 3.11 mi | 26841+199 | 10595+37 | 1016-5 | 25808 | 10445 | 1000 |
| 35K | 3.11 mi | 26381+460 | 10428+167 | 1004+12 | 23462 | 9529 | 921 |
| 40K | 3.10 mi | 25887+494 | 10236+192 | 981+23 | 22565 | 9190 | 857 |
| Finish(26.22 mi) | 1.37 mi | 25769+118 | 10199+37 | 974+7 | 23582 | 9591 | 922 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
26968
Females
10524
F45-49
10524
5K→10K
3.1 - 6.2 mi
Overall
27105
Females
10597
F45-49
10597
10K→15K
6.2 - 9.3 mi
Overall
26968
Females
10524
F45-49
10524
15K→21K
9.3 - 13.1 mi
Overall
26920
Females
10603
F45-49
10603
21K→25K
13.1 - 15.5 mi
Overall
26606
Females
10665
F45-49
10665
25K→30K
15.5 - 18.6 mi
Overall
25808
Females
10445
F45-49
10445
30K→35K
18.6 - 21.8 mi
Overall
23462
Females
9529
F45-49
9529
35K→40K
21.8 - 24.9 mi
Overall
22565
Females
9190
F45-49
9190
40K→Finish
24.9 - 26.2 mi
Overall
23582
Females
9591
F45-49
9591
Passing Analysis
| Segment | Movement | Rank |
|---|---|---|
| Start → 5K | - | #26615 |
| 5K → 10K | 523234*-289 | #26615 → #26904 |
| 10K → 15K | 336292*-44 | #26904 → #26948 |
| 15K → 21K | 450366*-84 | #26948 → #27032 |
| 21K → 25K | 265257*-8 | #27032 → #27040 |
| 25K → 30K | 172371*+199 | #27040 → #26841 |
| 30K → 35K | 68528*+460 | #26841 → #26381 |
| 35K → 40K | 40534*+494 | #26381 → #25887 |
| 40K → Finish | 57175*+118 | #25887 → #25769 |
| TOTALS | 19112757*+846 | #26615 → #25769 |
* 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