Kristina Jackson
North Andover, MA
Bib: 18834 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 | 32:00 | 10:18 | 3.11 mi | 32:00 | 10:18 | - | |
10K | 1:01:59 | 9:59 | 3.10 mi | 29:59 | 9:39 | -0:39 | |
15K | 1:31:13 | 9:47 | 3.11 mi | 29:14 | 9:25 | -0:14 | |
21K | 2:06:57 | 9:44 | 3.73 mi | 35:44 | 9:35 | +0:10 | |
25K | 2:30:29 | 9:41 | 2.48 mi | 23:32 | 9:28 | -0:07 | |
30K | 3:02:09 | 9:46 | 3.11 mi | 31:40 | 10:12 | +0:44 | |
35K | 3:34:05 | 9:51 | 3.11 mi | 31:56 | 10:17 | +0:05 | |
40K | 4:07:25 | 9:57 | 3.10 mi | 33:20 | 10:44 | +0:27 | |
Finish(26.22 mi) | 4:20:56 | 9:58 | 1.37 mi | 13:31 | 9:55 | -0:49 |
Checkpoints & Pacing
Pace Line
Fastest Pace
9:25 /mi
Average Pace
9:58 /mi
Slowest Pace
10:44 /mi
Segments
Time at Faster Pace
3:47:36
87% of race
Time at Steady Pace
33:20
13% of race
Time at Slower Pace
0:00
0% of race
Average Pace: 9:57 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Females | F60-64 | Seg. Overall | Seg. Females | Seg. F60-64 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 13517 | 4111 | 56 | 11472 | 3278 | 38 |
| 10K | 3.10 mi | 13423+94 | 4060+51 | 57-1 | 13476 | 4053 | 54 |
| 15K | 3.11 mi | 12663+760 | 3748+312 | 48+9 | 11472 | 3278 | 38 |
| 21K | 3.73 mi | 12092+571 | 3516+232 | 46+2 | 11098 | 3155 | 33 |
| 25K | 2.48 mi | 11774+318 | 3429+87 | 43+3 | 10996 | 3246 | 35 |
| 30K | 3.11 mi | 11555+219 | 3432-3 | 41+2 | 11346 | 3607 | 42 |
| 35K | 3.11 mi | 11120+435 | 3358+74 | 38+3 | 10182 | 3405 | 40 |
| 40K | 3.10 mi | 10850+270 | 3373-15 | 39-1 | 10462 | 3792 | 53 |
| Finish(26.22 mi) | 1.37 mi | 10571+279 | 3307+66 | 38+1 | 7556 | 2592 | 27 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
11472
Females
3278
F60-64
3278
5K→10K
3.1 - 6.2 mi
Overall
13476
Females
4053
F60-64
4053
10K→15K
6.2 - 9.3 mi
Overall
11472
Females
3278
F60-64
3278
15K→21K
9.3 - 13.1 mi
Overall
11098
Females
3155
F60-64
3155
21K→25K
13.1 - 15.5 mi
Overall
10996
Females
3246
F60-64
3246
25K→30K
15.5 - 18.6 mi
Overall
11346
Females
3607
F60-64
3607
30K→35K
18.6 - 21.8 mi
Overall
10182
Females
3405
F60-64
3405
35K→40K
21.8 - 24.9 mi
Overall
10462
Females
3792
F60-64
3792
40K→Finish
24.9 - 26.2 mi
Overall
7556
Females
2592
F60-64
2592
Passing Analysis
| Segment | Movement | Rank |
|---|---|---|
| Start → 5K | - | #13517 |
| 5K → 10K | 362456*+94 | #13517 → #13423 |
| 10K → 15K | 37797*+760 | #13423 → #12663 |
| 15K → 21K | 64635*+571 | #12663 → #12092 |
| 21K → 25K | 93411*+318 | #12092 → #11774 |
| 25K → 30K | 184403*+219 | #11774 → #11555 |
| 30K → 35K | 131566*+435 | #11555 → #11120 |
| 35K → 40K | 188458*+270 | #11120 → #10850 |
| 40K → Finish | 26305*+279 | #10850 → #10571 |
| TOTALS | 10854031*+2946 | #13517 → #10571 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visualized
Passing Circle
Position Flow
Race Lanes
Upload your GPX file
Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps
.gpx files up to 10MB
Export Track Data
Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.
Questions or issues regarding timing data?
If you notice any discrepancies in your timing data or have questions about your results, our support team can help.
Contact Race SupportQuick Links
Find another athlete or browse the full results
Public Race Data
Enhanced athlete results built from publicly available data.
Race managed by
U.S. Marine Corps Community Services (MCCS)
Race timed by
Timing Productions