Boston Marathon logo
BOSTON MARATHON 2024

Jeffrey Stern

Bib: 755•M

CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 1%
Gender (Male)
#0 / 14578
Top 2%
Division (M18-39)
#0 / 4849
Top 5%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:37
Rank: #315
Start → 5K
17:37 | 5:40/mi
10K· 6.21 mi
35:31
Rank: #352 (-37)
5K → 10K
17:54 | 5:46/mi
15K· 9.32 mi
53:31
Rank: #361 (-9)
10K → 15K
18:00 | 5:48/mi
20K· 12.43 mi
1:11:48
Rank: #351 (+10)
15K → 20K
18:17 | 5:53/mi
Half· 13.11 mi
1:15:44
Rank: #352 (-1)
20K → Half
3:56 | 5:46/mi
25K· 15.53 mi
1:29:58
Rank: #316 (+36)
Half → 25K
14:14 | 5:52/mi
30K· 18.64 mi
1:49:08
Rank: #308 (+8)
25K → 30K
19:10 | 6:10/mi
20M
1:57:36
Rank: #309 (-1)
30K → 20M
8:28 | 6:14/mi
21M
2:04:14
Rank: #309
20M → 21M
6:38 | 6:38/mi
35K· 21.75 mi
2:08:43
Rank: #304 (+5)
21M → 35K
4:29 | 6:00/mi
23M
2:16:36
Rank: #294 (+10)
35K → 23M
7:53 | 6:18/mi
24M
2:22:51
Rank: #294
23M → 24M
6:15 | 6:15/mi
40K· 24.85 mi
2:28:18
Rank: #293 (+1)
24M → 40K
5:27 | 6:22/mi
25.2M
2:30:42
Rank: #293
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:37:02
Rank: #290 (+3)
25.2M → Finish
6:20 | 6:13/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
Time1:15:44
Pace5:47 /mi
2nd Half
Distance13.11 mi
Time1:21:18
Pace6:12 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:4217:375:4017:37
5:40
-
10K
6.21 mi10:35:3635:315:4317:54
5:46
+0:06
15K
9.32 mi10:53:3653:315:4518:00
5:48
+0:02
20K
12.43 mi11:11:531:11:485:4718:17
5:53
+0:05
Half
13.11 mi11:15:491:15:445:473:56
5:46
-0:07
25K
15.53 mi11:30:031:29:585:4714:14
5:52
+0:06
30K
18.64 mi11:49:131:49:085:5119:10
6:10
+0:18
20M
20.00 mi11:57:411:57:365:538:28
6:14
+0:04
21M
21.00 mi12:04:192:04:145:556:38
6:38
+0:24
35K
21.75 mi12:08:482:08:435:554:29
6:00
-0:38
23M
23.00 mi12:16:412:16:365:567:53
6:18
+0:18
24M
24.00 mi12:22:562:22:515:576:15
6:15
-0:03
40K
24.85 mi12:28:232:28:185:585:27
6:22
+0:07
25.2M
25.20 mi12:30:472:30:425:592:24
6:58
+0:36
Finish
26.22 mi12:37:072:37:026:006:20
6:13
-0:45

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

5:40 /mi

Average Pace

6:00 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:58

57% of race

Time at Steady Pace

52:35

33% of race

Time at Slower Pace

14:29

9% of race

Average Pace: 5:59 /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 mi10:17:4217:375:4017:37
5:40
#315
10K
6.21 mi10:35:3635:315:4317:54
5:46
#352
15K
9.32 mi10:53:3653:315:4518:00
5:48
#361
20K
12.43 mi11:11:531:11:485:4718:17
5:53
#351
Half
13.11 mi11:15:491:15:445:473:56
5:46
#352
25K
15.53 mi11:30:031:29:585:4714:14
5:52
#316
30K
18.64 mi11:49:131:49:085:5119:10
6:10
#308
20M
20.00 mi11:57:411:57:365:538:28
6:14
#309
21M
21.00 mi12:04:192:04:145:556:38
6:38
#309
35K
21.75 mi12:08:482:08:435:554:29
6:00
#304
23M
23.00 mi12:16:412:16:365:567:53
6:18
#294
24M
24.00 mi12:22:562:22:515:576:15
6:15
#294
40K
24.85 mi12:28:232:28:185:585:27
6:22
#293
25.2M
25.20 mi12:30:472:30:425:592:24
6:58
#293
Finish
26.22 mi12:37:072:37:026:006:20
6:13
#290
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi315294294360(Top 1%)338(Top 2%)338(Top 7%)
10K6.21 mi3.10 mi352-37331-37331-37391(Top 2%)369(Top 3%)369(Top 8%)
15K9.32 mi3.11 mi361-9339-8339-8360(Top 1%)338(Top 2%)338(Top 7%)
20K12.43 mi3.11 mi351+10329+10329+10378(Top 1%)356(Top 2%)356(Top 7%)
Half13.11 mi0.68 mi352-1330-1330-1324(Top 1%)304(Top 2%)304(Top 6%)
25K15.53 mi2.42 mi316+36294+36294+36291(Top 1%)269(Top 2%)269(Top 6%)
30K18.64 mi3.11 mi308+8286+8286+8432(Top 2%)404(Top 3%)404(Top 8%)
20M20.00 mi1.36 mi309-1287-1287-1424(Top 2%)395(Top 3%)395(Top 8%)
21M21.00 mi1.00 mi309287287486(Top 2%)455(Top 3%)455(Top 9%)
35K21.75 mi0.75 mi304+5282+5282+5364(Top 1%)336(Top 2%)336(Top 7%)
23M23.00 mi1.25 mi294+10271+11271+11406(Top 2%)378(Top 3%)378(Top 8%)
24M24.00 mi1.00 mi294271271525(Top 2%)491(Top 3%)491(Top 10%)
40K24.85 mi0.85 mi293+1270+1270+1529(Top 2%)495(Top 3%)495(Top 10%)
25.2M25.20 mi0.35 mi293270270507(Top 2%)466(Top 3%)466(Top 10%)
Finish26.22 mi1.02 mi290+3267+3267+3735(Top 3%)684(Top 5%)684(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

360

Males

338

M18-39

338

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

391

Males

369

M18-39

369

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

360

Males

338

M18-39

338

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

378

Males

356

M18-39

356

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

324

Males

304

M18-39

304

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

291

Males

269

M18-39

269

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

432

Males

404

M18-39

404

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

424

Males

395

M18-39

395

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

486

Males

455

M18-39

455

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

364

Males

336

M18-39

336

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

406

Males

378

M18-39

378

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

525

Males

491

M18-39

491

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

529

Males

495

M18-39

495

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

507

Males

466

M18-39

466

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

735

Males

684

M18-39

684

Passing Analysis

Category:
Athletes Passed
179
Passed By
154
Net Change
+25
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#315
5K → 10K1148-37#315#352
10K → 15K1322-9#352#361
15K → 20K2111+10#361#351
20K → Half56-1#351#352
Half → 25K426+36#352#316
25K → 30K2517+8#316#308
30K → 20M1011-1#308#309
20M → 21M770#309#309
21M → 35K83+5#309#304
35K → 23M155+10#304#294
23M → 24M770#294#294
24M → 40K65+1#294#293
40K → 25.2M220#293#293
25.2M → Finish74+3#293#290
TOTALS179154+25
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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