Boston Marathon logo
BOSTON MARATHON 2024

Shanna Jennings

Bib: 18655•F

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F40-44)
#0 / 1613
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:22
Rank: #13451
Start → 5K
24:22 | 7:51/mi
10K· 6.21 mi
49:13
Rank: #13823 (-372)
5K → 10K
24:51 | 8:00/mi
15K· 9.32 mi
1:19:40
Rank: #17392 (-3569)
10K → 15K
30:27 | 9:48/mi
20K· 12.43 mi
1:51:45
Rank: #18916 (-1524)
15K → 20K
32:05 | 10:20/mi
Half· 13.11 mi
1:57:45
Rank: #18838 (+78)
20K → Half
6:00 | 8:48/mi
25K· 15.53 mi
2:25:35
Rank: #19767 (-929)
Half → 25K
27:50 | 11:29/mi
30K· 18.64 mi
2:56:47
Rank: #19317 (+450)
25K → 30K
31:12 | 10:03/mi
20M
3:14:51
Rank: #19762 (-445)
30K → 20M
18:04 | 13:18/mi
21M
3:27:46
Rank: #19807 (-45)
20M → 21M
12:55 | 12:55/mi
35K· 21.75 mi
3:34:28
Rank: #19580 (+227)
21M → 35K
6:42 | 8:57/mi
23M
3:47:15
Rank: #19379 (+201)
35K → 23M
12:47 | 10:13/mi
24M
3:57:32
Rank: #19272 (+107)
23M → 24M
10:17 | 10:17/mi
40K· 24.85 mi
4:05:37
Rank: #19042 (+230)
24M → 40K
8:05 | 9:27/mi
25.2M
4:09:03
Rank: #18919 (+123)
40K → 25.2M
3:26 | 9:57/mi
Finish· 26.22 mi
4:18:01
Rank: #18745 (+174)
25.2M → Finish
8:58 | 8:48/mi

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
Time1:57:45
Pace8:59 /mi
2nd Half
Distance13.11 mi
Time2:20:16
Pace10:42 /mi
📊Positive Split: 19.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5424:227:5124:22
7:51
-
10K
6.21 mi11:40:4549:137:5524:51
8:00
+0:09
15K
9.32 mi12:11:121:19:408:3330:27
9:48
+1:48
20K
12.43 mi12:43:171:51:459:0032:05
10:20
+0:32
Half
13.11 mi12:49:171:57:458:596:00
8:48
-1:32
25K
15.53 mi13:17:072:25:359:2227:50
11:29
+2:41
30K
18.64 mi13:48:192:56:479:2931:12
10:03
-1:26
20M
20.00 mi14:06:233:14:519:4518:04
13:18
+3:15
21M
21.00 mi14:19:183:27:469:5412:55
12:55
-0:23
35K
21.75 mi14:26:003:34:289:526:42
8:57
-3:58
23M
23.00 mi14:38:473:47:159:5312:47
10:13
+1:16
24M
24.00 mi14:49:043:57:329:5410:17
10:17
+0:04
40K
24.85 mi14:57:094:05:379:538:05
9:27
-0:50
25.2M
25.20 mi15:00:354:09:039:533:26
9:57
+0:30
Finish
26.22 mi15:09:334:18:019:518:58
8:48
-1:09

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

7:51 /mi

Average Pace

9:51 /mi

Slowest Pace

13:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:53

27% of race

Time at Steady Pace

2:08:19

50% of race

Time at Slower Pace

58:49

23% of race

Average Pace: 9:50 /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 mi11:15:5424:227:5124:22
7:51
#13451
10K
6.21 mi11:40:4549:137:5524:51
8:00
#13823
15K
9.32 mi12:11:121:19:408:3330:27
9:48
#17392
20K
12.43 mi12:43:171:51:459:0032:05
10:20
#18916
Half
13.11 mi12:49:171:57:458:596:00
8:48
#18838
25K
15.53 mi13:17:072:25:359:2227:50
11:29
#19767
30K
18.64 mi13:48:192:56:479:2931:12
10:03
#19317
20M
20.00 mi14:06:233:14:519:4518:04
13:18
#19762
21M
21.00 mi14:19:183:27:469:5412:55
12:55
#19807
35K
21.75 mi14:26:003:34:289:526:42
8:57
#19580
23M
23.00 mi14:38:473:47:159:5312:47
10:13
#19379
24M
24.00 mi14:49:043:57:329:5410:17
10:17
#19272
40K
24.85 mi14:57:094:05:379:538:05
9:27
#19042
25.2M
25.20 mi15:00:354:09:039:533:26
9:57
#18919
Finish
26.22 mi15:09:334:18:019:518:58
8:48
#18745
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi134513981398121437(Top 84%)8564(Top 78%)8564(Top 531%)
10K6.21 mi3.10 mi13823-3724231-2504231-25014229(Top 56%)4473(Top 41%)4473(Top 277%)
15K9.32 mi3.11 mi17392-35696373-21426373-214221437(Top 84%)8564(Top 78%)8564(Top 531%)
20K12.43 mi3.11 mi18916-15247238-8657238-86521294(Top 83%)8522(Top 78%)8522(Top 528%)
Half13.11 mi0.68 mi18838+787204+347204+3417369(Top 68%)6447(Top 59%)6447(Top 400%)
25K15.53 mi2.42 mi19767-9297722-5187722-51822374(Top 88%)9200(Top 84%)9200(Top 570%)
30K18.64 mi3.11 mi19317+4507544+1787544+17817491(Top 68%)6786(Top 62%)6786(Top 421%)
20M20.00 mi1.36 mi19762-4457795-2517795-25123219(Top 91%)9869(Top 90%)9869(Top 612%)
21M21.00 mi1.00 mi19807-457845-507845-5020590(Top 81%)8610(Top 79%)8610(Top 534%)
35K21.75 mi0.75 mi19580+2277752+937752+9313147(Top 51%)4900(Top 45%)4900(Top 304%)
23M23.00 mi1.25 mi19379+2017671+817671+8116159(Top 63%)6477(Top 59%)6477(Top 402%)
24M24.00 mi1.00 mi19272+1077624+477624+4717240(Top 67%)7081(Top 65%)7081(Top 439%)
40K24.85 mi0.85 mi19042+2307525+997525+9912965(Top 51%)5035(Top 46%)5035(Top 312%)
25.2M25.20 mi0.35 mi18919+1237462+637462+6310857(Top 42%)4050(Top 37%)4050(Top 251%)
Finish26.22 mi1.02 mi18745+1747409+537409+5313202(Top 52%)5079(Top 46%)5079(Top 315%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

21437

Females

8564

F40-44

8564

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

14229

Females

4473

F40-44

4473

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

21437

Females

8564

F40-44

8564

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

21294

Females

8522

F40-44

8522

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

17369

Females

6447

F40-44

6447

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

22374

Females

9200

F40-44

9200

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

17491

Females

6786

F40-44

6786

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

23219

Females

9869

F40-44

9869

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

20590

Females

8610

F40-44

8610

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

13147

Females

4900

F40-44

4900

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

16159

Females

6477

F40-44

6477

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

17240

Females

7081

F40-44

7081

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

12965

Females

5035

F40-44

5035

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

10857

Females

4050

F40-44

4050

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13202

Females

5079

F40-44

5079

Passing Analysis

Category:
Athletes Passed
1987
Passed By
7281
Net Change
-5294
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13451
5K → 10K183555-372#13451#13823
10K → 15K43573-3569#13823#17392
15K → 20K281552-1524#17392#18916
20K → Half857+78#18916#18838
Half → 25K38967-929#18838#19767
25K → 30K47929+450#19767#19317
30K → 20M19464-445#19317#19762
20M → 21M63108-45#19762#19807
21M → 35K2270+227#19807#19580
35K → 23M21110+201#19580#19379
23M → 24M12013+107#19379#19272
24M → 40K2300+230#19272#19042
40K → 25.2M1230+123#19042#18919
25.2M → Finish1773+174#18919#18745
TOTALS19877281-5294
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing