Boston Marathon logo
BOSTON MARATHON 2025

Megan Jackowitz

Bib: 14084•F

CT

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 21%
Gender (Female)
#0 / 12228
Top 6%
Division (F18-39)
#0 / 5469
Top 11%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:53/mi
21:24
↑ 97↓ 3451.5%
10K· 6.21 mi
6:56/mi
42:58
↑ 79↓ 1380.4%
15K· 9.32 mi
6:55/mi
1:04:26
↑ 67↓ 78
20K· 12.43 mi
6:59/mi
1:26:07
↑ 106↓ 860.1%
Half· 13.11 mi
6:55/mi
1:30:50
↑ 19↓ 370.5%
25K· 15.53 mi
6:57/mi
1:47:42
↑ 66↓ 880.2%
30K· 18.64 mi
7:15/mi
2:10:13
↑ 181↓ 1480.2%
20M
7:18/mi
2:20:08
↑ 64↓ 500.2%
21M
7:55/mi
2:28:03
↑ 106↓ 241.6%
35K· 21.75 mi
7:20/mi
2:33:32
↑ 17↓ 861.7%
23M
7:29/mi
2:42:54
↑ 23↓ 630.6%
24M
7:05/mi
2:49:59
↓ 821.3%
40K· 24.85 mi
7:20/mi
2:56:15
↓ 200.3%
25.2M
7:56/mi
2:58:59
↑ 13↓ 160.2%
Finish· 26.22 mi
6:56/mi
3:06:03
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:50
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:35:13
Pace7:16 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3021:246:5321:24
6:53
-
10K
6.21 mi11:13:0442:586:5521:34
6:56
+0:03
15K
9.32 mi11:34:321:04:266:5521:28
6:55
-0:01
20K
12.43 mi11:56:131:26:076:5621:41
6:59
+0:04
Half
13.11 mi12:00:561:30:506:564:43
6:55
-0:04
25K
15.53 mi12:17:481:47:426:5616:52
6:57
+0:02
30K
18.64 mi12:40:192:10:136:5922:31
7:15
+0:18
20M
20.00 mi12:50:142:20:087:009:55
7:18
+0:03
21M
21.00 mi12:58:092:28:037:037:55
7:55
+0:37
35K
21.75 mi13:03:382:33:327:045:29
7:20
-0:35
23M
23.00 mi13:13:002:42:547:059:22
7:29
+0:09
24M
24.00 mi13:20:052:49:597:057:05
7:05
-0:24
40K
24.85 mi13:26:212:56:157:056:16
7:20
+0:15
25.2M
25.20 mi13:29:052:58:597:062:44
7:56
+0:36
Finish
26.22 mi13:36:093:06:037:067:04
6:56
-1:00

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:53 /mi

Average Pace

7:06 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:24

94% of race

Time at Steady Pace

10:39

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:06 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:51:3021:246:5321:24
6:53
#6988
10K
6.21 mi11:13:0442:586:5521:34
6:56
#7265
15K
9.32 mi11:34:321:04:266:5521:28
6:55
#7192
20K
12.43 mi11:56:131:26:076:5621:41
6:59
#7074
Half
13.11 mi12:00:561:30:506:564:43
6:55
#7052
25K
15.53 mi12:17:481:47:426:5616:52
6:57
#6817
30K
18.64 mi12:40:192:10:136:5922:31
7:15
#6572
20M
20.00 mi12:50:142:20:087:009:55
7:18
#6428
21M
21.00 mi12:58:092:28:037:037:55
7:55
#6386
35K
21.75 mi13:03:382:33:327:045:29
7:20
#6378
23M
23.00 mi13:13:002:42:547:059:22
7:29
#6317
24M
24.00 mi13:20:052:49:597:057:05
7:05
#6208
40K
24.85 mi13:26:212:56:157:056:16
7:20
#6138
25.2M
25.20 mi13:29:052:58:597:062:44
7:56
#6093
Finish
26.22 mi13:36:093:06:037:067:04
6:56
#6008
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi69886856857033(Top 25%)745(Top 6%)745(Top 14%)
10K6.21 mi3.10 mi7265-277761-76761-767567(Top 27%)857(Top 7%)857(Top 16%)
15K9.32 mi3.11 mi7192+73747+14747+147033(Top 25%)745(Top 6%)745(Top 14%)
20K12.43 mi3.11 mi7074+118730+17730+176759(Top 24%)720(Top 6%)720(Top 13%)
Half13.11 mi0.68 mi7052+22728+2728+27052(Top 25%)777(Top 6%)777(Top 14%)
25K15.53 mi2.42 mi6817+235692+36692+366047(Top 21%)599(Top 5%)599(Top 11%)
30K18.64 mi3.11 mi6572+245667+25667+256162(Top 22%)714(Top 6%)714(Top 13%)
20M20.00 mi1.36 mi6428+144655+12655+125801(Top 20%)729(Top 6%)729(Top 13%)
21M21.00 mi1.00 mi6386+42665-10665-106895(Top 24%)1253(Top 10%)1253(Top 23%)
35K21.75 mi0.75 mi6378+8680-15680-157429(Top 26%)1451(Top 12%)1451(Top 27%)
23M23.00 mi1.25 mi6317+61684-4684-46537(Top 23%)1202(Top 10%)1202(Top 22%)
24M24.00 mi1.00 mi6208+109674+10674+105148(Top 18%)776(Top 6%)776(Top 14%)
40K24.85 mi0.85 mi6138+70673+1673+15828(Top 21%)1060(Top 9%)1060(Top 19%)
25.2M25.20 mi0.35 mi6093+45674-1674-15617(Top 20%)1080(Top 9%)1080(Top 20%)
Finish26.22 mi1.02 mi6008+85673+1673+15331(Top 19%)977(Top 8%)977(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

7033

Females

745

F18-39

745

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

7567

Females

857

F18-39

857

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

7033

Females

745

F18-39

745

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6759

Females

720

F18-39

720

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

7052

Females

777

F18-39

777

Half→25K

13.1 - 15.5 mi

Top 21%
×4story building
+66ft-88ft

Overall

6047

Females

599

F18-39

599

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

6162

Females

714

F18-39

714

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5801

Females

729

F18-39

729

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6895

Females

1253

F18-39

1253

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

7429

Females

1451

F18-39

1451

35K→23M

21.8 - 23.0 mi

Top 23%
×5story building
+23ft-63ft

Overall

6537

Females

1202

F18-39

1202

23M→24M

23.0 - 24.0 mi

Top 18%
×6story building
+12ft-82ft

Overall

5148

Females

776

F18-39

776

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5828

Females

1060

F18-39

1060

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5617

Females

1080

F18-39

1080

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2story building
+22ft-21ft

Overall

5331

Females

977

F18-39

977

Passing Analysis

Category:
Athletes Passed
1831
Passed By
851
Net Change
+980
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6988
5K → 10K95372-277#6988#7265
10K → 15K176103+73#7265#7192
15K → 20K20385+118#7192#7074
20K → Half3412+22#7074#7052
Half → 25K25116+235#7052#6817
25K → 30K30560+245#6817#6572
30K → 20M16016+144#6572#6428
20M → 21M8846+42#6428#6386
21M → 35K4739+8#6386#6378
35K → 23M10342+61#6378#6317
23M → 24M1156+109#6317#6208
24M → 40K9525+70#6208#6138
40K → 25.2M483+45#6138#6093
25.2M → Finish11126+85#6093#6008
TOTALS1831851+980
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

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 Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing