Boston Marathon logo
BOSTON MARATHON 2024

Sean Gemunden

Bib: 24110•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:36
Rank: #11500
Start → 5K
7:36/mi
23:36 split
10K· 6.21 mi
47:05
Rank: #11115 (+385)
5K → 10K
7:34/mi
23:29 split
15K· 9.32 mi
1:10:51
Rank: #10963 (+152)
10K → 15K
7:39/mi
23:46 split
20K· 12.43 mi
1:34:50
Rank: #10622 (+341)
15K → 20K
7:43/mi
23:59 split
Half· 13.11 mi
1:40:11
Rank: #10671 (-49)
20K → Half
7:50/mi
5:21 split
25K· 15.53 mi
2:00:33
Rank: #11010 (-339)
Half → 25K
8:24/mi
20:22 split
30K· 18.64 mi
2:29:47
Rank: #11896 (-886)
25K → 30K
9:25/mi
29:14 split
20M
2:41:32
Rank: #11727 (+169)
30K → 20M
8:39/mi
11:45 split
21M
2:51:12
Rank: #11684 (+43)
20M → 21M
9:40/mi
9:40 split
35K· 21.75 mi
2:57:33
Rank: #11613 (+71)
21M → 35K
8:29/mi
6:21 split
23M
3:09:04
Rank: #11593 (+20)
35K → 23M
9:12/mi
11:31 split
24M
3:17:48
Rank: #11515 (+78)
23M → 24M
8:44/mi
8:44 split
40K· 24.85 mi
3:25:43
Rank: #11497 (+18)
24M → 40K
9:16/mi
7:55 split
25.2M
3:29:11
Rank: #11474 (+23)
40K → 25.2M
10:03/mi
3:28 split
Finish· 26.22 mi
3:37:58
Rank: #11483 (-9)
25.2M → Finish
8:37/mi
8:47 split

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
Time1:40:11
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:57:47
Pace8:59 /mi
📊Positive Split: 17.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:38:5623:367:3623:36
7:36
-
10K
6.21 mi12:02:2547:057:3523:29
7:34
-0:02
15K
9.32 mi12:26:111:10:517:3623:46
7:39
+0:05
20K
12.43 mi12:50:101:34:507:3823:59
7:43
+0:04
Half
13.11 mi12:55:311:40:117:395:21
7:50
+0:07
25K
15.53 mi13:15:532:00:337:4620:22
8:24
+0:34
30K
18.64 mi13:45:072:29:478:0229:14
9:25
+1:01
20M
20.00 mi13:56:522:41:328:0511:45
8:39
-0:46
21M
21.00 mi14:06:322:51:128:099:40
9:40
+1:01
35K
21.75 mi14:12:532:57:338:106:21
8:29
-1:11
23M
23.00 mi14:24:243:09:048:1311:31
9:12
+0:43
24M
24.00 mi14:33:083:17:488:158:44
8:44
-0:28
40K
24.85 mi14:41:033:25:438:177:55
9:16
+0:32
25.2M
25.20 mi14:44:313:29:118:183:28
10:03
+0:47
Finish
26.22 mi14:53:183:37:588:198:47
8:37
-1:26

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

7:34 /mi

Average Pace

8:19 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:11

46% of race

Time at Steady Pace

55:59

26% of race

Time at Slower Pace

1:01:48

28% of race

Average Pace: 8:19 /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 mi11:38:5623:367:3623:36
7:36
#11500
10K
6.21 mi12:02:2547:057:3523:29
7:34
#11115
15K
9.32 mi12:26:111:10:517:3623:46
7:39
#10963
20K
12.43 mi12:50:101:34:507:3823:59
7:43
#10622
Half
13.11 mi12:55:311:40:117:395:21
7:50
#10671
25K
15.53 mi13:15:532:00:337:4620:22
8:24
#11010
30K
18.64 mi13:45:072:29:478:0229:14
9:25
#11896
20M
20.00 mi13:56:522:41:328:0511:45
8:39
#11727
21M
21.00 mi14:06:322:51:128:099:40
9:40
#11684
35K
21.75 mi14:12:532:57:338:106:21
8:29
#11613
23M
23.00 mi14:24:243:09:048:1311:31
9:12
#11593
24M
24.00 mi14:33:083:17:488:158:44
8:44
#11515
40K
24.85 mi14:41:033:25:438:177:55
9:16
#11497
25.2M
25.20 mi14:44:313:29:118:183:28
10:03
#11474
Finish
26.22 mi14:53:183:37:588:198:47
8:37
#11483
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi115008624862410808(Top 42%)8193(Top 56%)8193(Top 169%)
10K6.21 mi3.10 mi11115+3858419+2058419+20510754(Top 42%)8224(Top 56%)8224(Top 170%)
15K9.32 mi3.11 mi10963+1528321+988321+9810808(Top 42%)8193(Top 56%)8193(Top 169%)
20K12.43 mi3.11 mi10622+3418137+1848137+1849875(Top 39%)7587(Top 52%)7587(Top 156%)
Half13.11 mi0.68 mi10671-498149-128149-1211599(Top 45%)8443(Top 58%)8443(Top 174%)
25K15.53 mi2.42 mi11010-3398256-1078256-10712499(Top 49%)8692(Top 60%)8692(Top 179%)
30K18.64 mi3.11 mi11896-8868580-3248580-32415069(Top 59%)9582(Top 66%)9582(Top 198%)
20M20.00 mi1.36 mi11727+1698455+1258455+12510235(Top 40%)7154(Top 49%)7154(Top 148%)
21M21.00 mi1.00 mi11684+438363+928363+9211542(Top 45%)7488(Top 51%)7488(Top 154%)
35K21.75 mi0.75 mi11613+718298+658298+6510655(Top 42%)7064(Top 48%)7064(Top 146%)
23M23.00 mi1.25 mi11593+208220+788220+7812114(Top 47%)7620(Top 52%)7620(Top 157%)
24M24.00 mi1.00 mi11515+788128+928128+9210751(Top 42%)6918(Top 47%)6918(Top 143%)
40K24.85 mi0.85 mi11497+188078+508078+5012037(Top 47%)7451(Top 51%)7451(Top 154%)
25.2M25.20 mi0.35 mi11474+238051+278051+2711121(Top 44%)6946(Top 48%)6946(Top 143%)
Finish26.22 mi1.02 mi11483-98004+478004+4712171(Top 48%)7597(Top 52%)7597(Top 157%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

10808

Males

8193

M18-39

8193

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

10754

Males

8224

M18-39

8224

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

10808

Males

8193

M18-39

8193

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

9875

Males

7587

M18-39

7587

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

11599

Males

8443

M18-39

8443

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

12499

Males

8692

M18-39

8692

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

15069

Males

9582

M18-39

9582

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10235

Males

7154

M18-39

7154

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

11542

Males

7488

M18-39

7488

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

10655

Males

7064

M18-39

7064

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

12114

Males

7620

M18-39

7620

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

10751

Males

6918

M18-39

6918

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12037

Males

7451

M18-39

7451

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11121

Males

6946

M18-39

6946

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12171

Males

7597

M18-39

7597

Passing Analysis

Category:
Athletes Passed
2472
Passed By
2455
Net Change
+17
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11500
5K → 10K492107+385#11500#11115
10K → 15K284132+152#11115#10963
15K → 20K40564+341#10963#10622
20K → Half2877-49#10622#10671
Half → 25K138477-339#10671#11010
25K → 30K98984-886#11010#11896
30K → 20M22859+169#11896#11727
20M → 21M151108+43#11727#11684
21M → 35K10837+71#11684#11613
35K → 23M157137+20#11613#11593
23M → 24M14062+78#11593#11515
24M → 40K10486+18#11515#11497
40K → 25.2M4724+23#11497#11474
25.2M → Finish92101-9#11474#11483
TOTALS24722455+17
📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing