Boston Marathon logo
BOSTON MARATHON 2024

Cem Aslan

Bib: 1815•M

PA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 2%
Gender (Male)
#0 / 14578
Top 3%
Masters (Masters Men)
#0 / 9729
Top 0.8%
Division (M45-49)
#0 / 2218
Top 0.6%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
18:52
Rank: #1147
Start → 5K
18:52 | 6:04/mi
10K· 6.21 mi
37:52
Rank: #1169 (-22)
5K → 10K
19:00 | 6:07/mi
15K· 9.32 mi
56:50
Rank: #1114 (+55)
10K → 15K
18:58 | 6:06/mi
20K· 12.43 mi
1:15:53
Rank: #1030 (+84)
15K → 20K
19:03 | 6:08/mi
Half· 13.11 mi
1:19:58
Rank: #1011 (+19)
20K → Half
4:05 | 5:59/mi
25K· 15.53 mi
1:34:50
Rank: #932 (+79)
Half → 25K
14:52 | 6:08/mi
30K· 18.64 mi
1:54:25
Rank: #833 (+99)
25K → 30K
19:35 | 6:18/mi
20M
2:03:03
Rank: #789 (+44)
30K → 20M
8:38 | 6:21/mi
21M
2:09:47
Rank: #766 (+23)
20M → 21M
6:44 | 6:44/mi
35K· 21.75 mi
2:14:24
Rank: #744 (+22)
21M → 35K
4:37 | 6:10/mi
23M
2:22:13
Rank: #694 (+50)
35K → 23M
7:49 | 6:15/mi
24M
2:28:05
Rank: #632 (+62)
23M → 24M
5:52 | 5:52/mi
40K· 24.85 mi
2:33:11
Rank: #577 (+55)
24M → 40K
5:06 | 5:58/mi
25.2M
2:35:29
Rank: #561 (+16)
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:41:28
Rank: #530 (+31)
25.2M → Finish
5:59 | 5:52/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
Time1:19:58
Pace6:06 /mi
2nd Half
Distance13.11 mi
Time1:21:30
Pace6:13 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1818:526:0418:52
6:04
-
10K
6.21 mi10:38:1837:526:0619:00
6:07
+0:03
15K
9.32 mi10:57:1656:506:0618:58
6:06
-0:01
20K
12.43 mi11:16:191:15:536:0619:03
6:08
+0:02
Half
13.11 mi11:20:241:19:586:064:05
5:59
-0:09
25K
15.53 mi11:35:161:34:506:0614:52
6:08
+0:09
30K
18.64 mi11:54:511:54:256:0819:35
6:18
+0:10
20M
20.00 mi12:03:292:03:036:098:38
6:21
+0:03
21M
21.00 mi12:10:132:09:476:116:44
6:44
+0:23
35K
21.75 mi12:14:502:14:246:114:37
6:10
-0:34
23M
23.00 mi12:22:392:22:136:117:49
6:15
+0:05
24M
24.00 mi12:28:312:28:056:105:52
5:52
-0:23
40K
24.85 mi12:33:372:33:116:105:06
5:58
+0:06
25.2M
25.20 mi12:35:552:35:296:102:18
6:40
+0:42
Finish
26.22 mi12:41:542:41:286:105:59
5:52
-0:48

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

5:52 /mi

Average Pace

6:10 /mi

Slowest Pace

6:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:32:26

94% of race

Time at Steady Pace

9:02

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:09 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:19:1818:526:0418:52
6:04
#1147
10K
6.21 mi10:38:1837:526:0619:00
6:07
#1169
15K
9.32 mi10:57:1656:506:0618:58
6:06
#1114
20K
12.43 mi11:16:191:15:536:0619:03
6:08
#1030
Half
13.11 mi11:20:241:19:586:064:05
5:59
#1011
25K
15.53 mi11:35:161:34:506:0614:52
6:08
#932
30K
18.64 mi11:54:511:54:256:0819:35
6:18
#833
20M
20.00 mi12:03:292:03:036:098:38
6:21
#789
21M
21.00 mi12:10:132:09:476:116:44
6:44
#766
35K
21.75 mi12:14:502:14:246:114:37
6:10
#744
23M
23.00 mi12:22:392:22:136:117:49
6:15
#694
24M
24.00 mi12:28:312:28:056:105:52
5:52
#632
40K
24.85 mi12:33:372:33:116:105:06
5:58
#577
25.2M
25.20 mi12:35:552:35:296:102:18
6:40
#561
Finish
26.22 mi12:41:542:41:286:105:59
5:52
#530
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi1147110811081056(Top 4%)1019(Top 7%)1019(Top 46%)
10K6.21 mi3.10 mi1169-221129-211129-211193(Top 5%)1154(Top 8%)1154(Top 52%)
15K9.32 mi3.11 mi1114+551075+541075+541056(Top 4%)1019(Top 7%)1019(Top 46%)
20K12.43 mi3.11 mi1030+84995+80995+80874(Top 3%)841(Top 6%)841(Top 38%)
Half13.11 mi0.68 mi1011+19976+19976+19727(Top 3%)700(Top 5%)700(Top 32%)
25K15.53 mi2.42 mi932+79898+78898+78710(Top 3%)680(Top 5%)680(Top 31%)
30K18.64 mi3.11 mi833+99800+98800+98640(Top 3%)610(Top 4%)610(Top 28%)
20M20.00 mi1.36 mi789+44756+44756+44592(Top 2%)561(Top 4%)561(Top 25%)
21M21.00 mi1.00 mi766+23734+22734+22595(Top 2%)558(Top 4%)558(Top 25%)
35K21.75 mi0.75 mi744+22712+22712+22570(Top 2%)536(Top 4%)536(Top 24%)
23M23.00 mi1.25 mi694+50664+48664+48358(Top 1%)333(Top 2%)333(Top 15%)
24M24.00 mi1.00 mi632+62603+61603+61191(Top 0.7%)172(Top 1%)172(Top 8%)
40K24.85 mi0.85 mi577+55548+55548+55179(Top 0.7%)162(Top 1%)162(Top 7%)
25.2M25.20 mi0.35 mi561+16532+16532+16263(Top 1%)241(Top 2%)241(Top 11%)
Finish26.22 mi1.02 mi530+31501+31501+31290(Top 1%)271(Top 2%)271(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1056

Males

1019

M45-49

1019

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1193

Males

1154

M45-49

1154

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1056

Males

1019

M45-49

1019

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

874

Males

841

M45-49

841

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

727

Males

700

M45-49

700

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

710

Males

680

M45-49

680

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

640

Males

610

M45-49

610

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

592

Males

561

M45-49

561

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

595

Males

558

M45-49

558

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

570

Males

536

M45-49

536

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

358

Males

333

M45-49

333

23M→24M

23.0 - 24.0 mi

Top 0.7%
×6stories
+12ft-82ft

Overall

191

Males

172

M45-49

172

24M→40K

24.0 - 24.9 mi

Top 0.7%
×1story
+6ft-20ft

Overall

179

Males

162

M45-49

162

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

263

Males

241

M45-49

241

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

290

Males

271

M45-49

271

Passing Analysis

Category:
Athletes Passed
763
Passed By
146
Net Change
+617
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1147
5K → 10K5476-22#1147#1169
10K → 15K7823+55#1169#1114
15K → 20K917+84#1114#1030
20K → Half234+19#1030#1011
Half → 25K845+79#1011#932
25K → 30K11011+99#932#833
30K → 20M495+44#833#789
20M → 21M296+23#789#766
21M → 35K253+22#766#744
35K → 23M555+50#744#694
23M → 24M620+62#694#632
24M → 40K550+55#632#577
40K → 25.2M160+16#577#561
25.2M → Finish321+31#561#530
TOTALS763146+617
📊

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