Boston Marathon logo
BOSTON MARATHON 2024

Jackson Cowin

Bib: 4379•M

NY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 5%
Gender (Male)
#0 / 14578
Top 9%
Division (M18-39)
#0 / 4849
Top 21%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:04
Rank: #3055
Start → 5K
20:04 | 6:28/mi
10K· 6.21 mi
39:59
Rank: #2714 (+341)
5K → 10K
19:55 | 6:25/mi
15K· 9.32 mi
59:49
Rank: #2475 (+239)
10K → 15K
19:50 | 6:23/mi
20K· 12.43 mi
1:19:42
Rank: #2228 (+247)
15K → 20K
19:53 | 6:24/mi
Half· 13.11 mi
1:24:04
Rank: #2211 (+17)
20K → Half
4:22 | 6:24/mi
25K· 15.53 mi
1:39:42
Rank: #2048 (+163)
Half → 25K
15:38 | 6:27/mi
30K· 18.64 mi
2:00:11
Rank: #1807 (+241)
25K → 30K
20:29 | 6:36/mi
20M
2:09:10
Rank: #1721 (+86)
30K → 20M
8:59 | 6:37/mi
21M
2:16:09
Rank: #1613 (+108)
20M → 21M
6:59 | 6:59/mi
35K· 21.75 mi
2:21:00
Rank: #1568 (+45)
21M → 35K
4:51 | 6:29/mi
23M
2:29:23
Rank: #1486 (+82)
35K → 23M
8:23 | 6:42/mi
24M
2:36:04
Rank: #1452 (+34)
23M → 24M
6:41 | 6:41/mi
40K· 24.85 mi
2:41:38
Rank: #1395 (+57)
24M → 40K
5:34 | 6:31/mi
25.2M
2:43:59
Rank: #1359 (+36)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:50:25
Rank: #1318 (+41)
25.2M → Finish
6:26 | 6:19/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
Time1:24:04
Pace6:25 /mi
2nd Half
Distance13.11 mi
Time1:26:21
Pace6:35 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3920:046:2820:04
6:28
-
10K
6.21 mi10:43:3439:596:2619:55
6:25
-0:03
15K
9.32 mi11:03:2459:496:2519:50
6:23
-0:02
20K
12.43 mi11:23:171:19:426:2519:53
6:24
+0:01
Half
13.11 mi11:27:391:24:046:254:22
6:24
0:00
25K
15.53 mi11:43:171:39:426:2515:38
6:27
+0:03
30K
18.64 mi12:03:462:00:116:2720:29
6:36
+0:09
20M
20.00 mi12:12:452:09:106:278:59
6:37
+0:01
21M
21.00 mi12:19:442:16:096:296:59
6:59
+0:22
35K
21.75 mi12:24:352:21:006:294:51
6:29
-0:30
23M
23.00 mi12:32:582:29:236:308:23
6:42
+0:13
24M
24.00 mi12:39:392:36:046:306:41
6:41
-0:01
40K
24.85 mi12:45:132:41:386:305:34
6:31
-0:10
25.2M
25.20 mi12:47:342:43:596:302:21
6:49
+0:18
Finish
26.22 mi12:54:002:50:256:306:26
6:19
-0:30

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

6:19 /mi

Average Pace

6:30 /mi

Slowest Pace

6:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:26

96% of race

Time at Steady Pace

6:59

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:30 /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 mi10:23:3920:046:2820:04
6:28
#3055
10K
6.21 mi10:43:3439:596:2619:55
6:25
#2714
15K
9.32 mi11:03:2459:496:2519:50
6:23
#2475
20K
12.43 mi11:23:171:19:426:2519:53
6:24
#2228
Half
13.11 mi11:27:391:24:046:254:22
6:24
#2211
25K
15.53 mi11:43:171:39:426:2515:38
6:27
#2048
30K
18.64 mi12:03:462:00:116:2720:29
6:36
#1807
20M
20.00 mi12:12:452:09:106:278:59
6:37
#1721
21M
21.00 mi12:19:442:16:096:296:59
6:59
#1613
35K
21.75 mi12:24:352:21:006:294:51
6:29
#1568
23M
23.00 mi12:32:582:29:236:308:23
6:42
#1486
24M
24.00 mi12:39:392:36:046:306:41
6:41
#1452
40K
24.85 mi12:45:132:41:386:305:34
6:31
#1395
25.2M
25.20 mi12:47:342:43:596:302:21
6:49
#1359
Finish
26.22 mi12:54:002:50:256:306:26
6:19
#1318
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3055291729172087(Top 8%)2018(Top 14%)2018(Top 42%)
10K6.21 mi3.10 mi2714+3412605+3122605+3122460(Top 10%)2365(Top 16%)2365(Top 49%)
15K9.32 mi3.11 mi2475+2392383+2222383+2222087(Top 8%)2018(Top 14%)2018(Top 42%)
20K12.43 mi3.11 mi2228+2472151+2322151+2321725(Top 7%)1663(Top 11%)1663(Top 34%)
Half13.11 mi0.68 mi2211+172134+172134+172054(Top 8%)1976(Top 14%)1976(Top 41%)
25K15.53 mi2.42 mi2048+1631978+1561978+1561574(Top 6%)1519(Top 10%)1519(Top 31%)
30K18.64 mi3.11 mi1807+2411747+2311747+2311308(Top 5%)1249(Top 9%)1249(Top 26%)
20M20.00 mi1.36 mi1721+861661+861661+861111(Top 4%)1056(Top 7%)1056(Top 22%)
21M21.00 mi1.00 mi1613+1081555+1061555+1061045(Top 4%)990(Top 7%)990(Top 20%)
35K21.75 mi0.75 mi1568+451509+461509+461203(Top 5%)1137(Top 8%)1137(Top 23%)
23M23.00 mi1.25 mi1486+821427+821427+821050(Top 4%)989(Top 7%)989(Top 20%)
24M24.00 mi1.00 mi1452+341392+351392+351333(Top 5%)1241(Top 9%)1241(Top 26%)
40K24.85 mi0.85 mi1395+571337+551337+55746(Top 3%)694(Top 5%)694(Top 14%)
25.2M25.20 mi0.35 mi1359+361304+331304+33389(Top 2%)359(Top 2%)359(Top 7%)
Finish26.22 mi1.02 mi1318+411262+421262+42942(Top 4%)869(Top 6%)869(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2087

Males

2018

M18-39

2018

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2460

Males

2365

M18-39

2365

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2087

Males

2018

M18-39

2018

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1725

Males

1663

M18-39

1663

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2054

Males

1976

M18-39

1976

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1574

Males

1519

M18-39

1519

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1308

Males

1249

M18-39

1249

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1111

Males

1056

M18-39

1056

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1045

Males

990

M18-39

990

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1203

Males

1137

M18-39

1137

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1050

Males

989

M18-39

989

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1333

Males

1241

M18-39

1241

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

746

Males

694

M18-39

694

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

389

Males

359

M18-39

359

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

942

Males

869

M18-39

869

Passing Analysis

Category:
Athletes Passed
1848
Passed By
111
Net Change
+1737
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3055
5K → 10K36322+341#3055#2714
10K → 15K24910+239#2714#2475
15K → 20K2503+247#2475#2228
20K → Half258+17#2228#2211
Half → 25K1685+163#2211#2048
25K → 30K25413+241#2048#1807
30K → 20M915+86#1807#1721
20M → 21M1135+108#1721#1613
21M → 35K483+45#1613#1568
35K → 23M9412+82#1568#1486
23M → 24M4915+34#1486#1452
24M → 40K592+57#1452#1395
40K → 25.2M371+36#1395#1359
25.2M → Finish487+41#1359#1318
TOTALS1848111+1737
📊

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