Boston Marathon logo
BOSTON MARATHON 2023

Sean Bush

Bib: 2615•M

VA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 10%
Division (M18-39)
#0 / 5285
Top 23%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:35/mi
20:27
↑ 97↓ 3451.5%
10K· 6.21 mi
6:29/mi
40:37
↑ 79↓ 1380.4%
15K· 9.32 mi
6:27/mi
1:00:38
↑ 67↓ 78
20K· 12.43 mi
6:26/mi
1:20:38
↑ 106↓ 860.1%
Half· 13.11 mi
6:23/mi
1:24:59
↑ 19↓ 370.5%
25K· 15.53 mi
6:29/mi
1:40:43
↑ 66↓ 880.2%
30K· 18.64 mi
6:30/mi
2:00:55
↑ 181↓ 1480.2%
20M
6:22/mi
2:09:34
↑ 64↓ 500.2%
21M
6:39/mi
2:16:13
↑ 106↓ 241.6%
35K· 21.75 mi
6:05/mi
2:20:46
↑ 17↓ 861.7%
23M
6:14/mi
2:28:34
↑ 23↓ 630.6%
24M
6:01/mi
2:34:35
↓ 821.3%
40K· 24.85 mi
6:14/mi
2:39:55
↓ 200.3%
25.2M
6:37/mi
2:42:12
↑ 13↓ 160.2%
Finish· 26.22 mi
6:07/mi
2:48:26
↑ 22↓ 21

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 Half
Distance13.11 mi
Time1:24:59
Pace6:29 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:23:27
Pace6:22 /mi
📊Negative Split: 1.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3820:276:3520:27
6:35
-
10K
6.21 mi10:41:4840:376:3220:10
6:29
-0:06
15K
9.32 mi11:01:491:00:386:3020:01
6:27
-0:02
20K
12.43 mi11:21:491:20:386:2920:00
6:26
-0:01
Half
13.11 mi11:26:101:24:596:294:21
6:23
-0:03
25K
15.53 mi11:41:541:40:436:2915:44
6:29
+0:06
30K
18.64 mi12:02:062:00:556:2920:12
6:30
+0:01
20M
20.00 mi12:10:452:09:346:298:39
6:22
-0:08
21M
21.00 mi12:17:242:16:136:296:39
6:39
+0:17
35K
21.75 mi12:21:572:20:466:284:33
6:05
-0:34
23M
23.00 mi12:29:452:28:346:287:48
6:14
+0:09
24M
24.00 mi12:35:462:34:356:266:01
6:01
-0:13
40K
24.85 mi12:41:062:39:556:265:20
6:14
+0:13
25.2M
25.20 mi12:43:232:42:126:262:17
6:37
+0:23
Finish
26.22 mi12:49:372:48:266:266:14
6:07
-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

6:01 /mi

Average Pace

6:26 /mi

Slowest Pace

6:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:47

96% of race

Time at Steady Pace

6:39

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:25 /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 mi10:21:3820:276:3520:27
6:35
#2729
10K
6.21 mi10:41:4840:376:3220:10
6:29
#2701
15K
9.32 mi11:01:491:00:386:3020:01
6:27
#2553
20K
12.43 mi11:21:491:20:386:2920:00
6:26
#2379
Half
13.11 mi11:26:101:24:596:294:21
6:23
#2374
25K
15.53 mi11:41:541:40:436:2915:44
6:29
#2323
30K
18.64 mi12:02:062:00:556:2920:12
6:30
#2151
20M
20.00 mi12:10:452:09:346:298:39
6:22
#2031
21M
21.00 mi12:17:242:16:136:296:39
6:39
#1942
35K
21.75 mi12:21:572:20:466:284:33
6:05
#1885
23M
23.00 mi12:29:452:28:346:287:48
6:14
#1764
24M
24.00 mi12:35:462:34:356:266:01
6:01
#1668
40K
24.85 mi12:41:062:39:556:265:20
6:14
#1606
25.2M
25.20 mi12:43:232:42:126:262:17
6:37
#1582
Finish
26.22 mi12:49:372:48:266:266:14
6:07
#1536
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2729259725972315(Top 9%)2222(Top 15%)2222(Top 42%)
10K6.21 mi3.10 mi2701+282577+202577+202718(Top 10%)2599(Top 17%)2599(Top 49%)
15K9.32 mi3.11 mi2553+1482440+1372440+1372315(Top 9%)2222(Top 15%)2222(Top 42%)
20K12.43 mi3.11 mi2379+1742279+1612279+1611965(Top 7%)1886(Top 12%)1886(Top 36%)
Half13.11 mi0.68 mi2374+52276+32276+32061(Top 8%)1977(Top 13%)1977(Top 37%)
25K15.53 mi2.42 mi2323+512228+482228+482107(Top 8%)2020(Top 13%)2020(Top 38%)
30K18.64 mi3.11 mi2151+1722063+1652063+1651557(Top 6%)1490(Top 10%)1490(Top 28%)
20M20.00 mi1.36 mi2031+1201946+1171946+1171048(Top 4%)1004(Top 7%)1004(Top 19%)
21M21.00 mi1.00 mi1942+891858+881858+88984(Top 4%)936(Top 6%)936(Top 18%)
35K21.75 mi0.75 mi1885+571804+541804+54893(Top 3%)850(Top 6%)850(Top 16%)
23M23.00 mi1.25 mi1764+1211687+1171687+117679(Top 3%)641(Top 4%)641(Top 12%)
24M24.00 mi1.00 mi1668+961595+921595+92590(Top 2%)560(Top 4%)560(Top 11%)
40K24.85 mi0.85 mi1606+621535+601535+60750(Top 3%)711(Top 5%)711(Top 13%)
25.2M25.20 mi0.35 mi1582+241512+231512+23735(Top 3%)700(Top 5%)700(Top 13%)
Finish26.22 mi1.02 mi1536+461469+431469+431039(Top 4%)988(Top 7%)988(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21story building
+97ft-345ft

Overall

2315

Males

2222

M18-39

2222

5K→10K

3.1 - 6.2 mi

Top 10%
×5story building
+79ft-138ft

Overall

2718

Males

2599

M18-39

2599

10K→15K

6.2 - 9.3 mi

Top 9%
×3story building
+67ft-78ft

Overall

2315

Males

2222

M18-39

2222

15K→20K

9.3 - 12.4 mi

Top 7%
×5story building
+106ft-86ft

Overall

1965

Males

1886

M18-39

1886

20K→Half

12.4 - 13.1 mi

Top 8%
×2story building
+19ft-37ft

Overall

2061

Males

1977

M18-39

1977

Half→25K

13.1 - 15.5 mi

Top 8%
×4story building
+66ft-88ft

Overall

2107

Males

2020

M18-39

2020

25K→30K

15.5 - 18.6 mi

Top 6%
×9story building
+181ft-148ft

Overall

1557

Males

1490

M18-39

1490

30K→20M

18.6 - 20.0 mi

Top 4%
×5story building
+64ft-50ft

Overall

1048

Males

1004

M18-39

1004

20M→21M

20.0 - 21.0 mi

Top 4%
×8story building
+106ft-24ft

Overall

984

Males

936

M18-39

936

21M→35K

21.0 - 21.8 mi

Top 3%
×7story building
+17ft-86ft

Overall

893

Males

850

M18-39

850

35K→23M

21.8 - 23.0 mi

Top 3%
×5story building
+23ft-63ft

Overall

679

Males

641

M18-39

641

23M→24M

23.0 - 24.0 mi

Top 2%
×6story building
+12ft-82ft

Overall

590

Males

560

M18-39

560

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

750

Males

711

M18-39

711

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

735

Males

700

M18-39

700

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2story building
+22ft-21ft

Overall

1039

Males

988

M18-39

988

Passing Analysis

Category:
Athletes Passed
1419
Passed By
226
Net Change
+1193
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2729
5K → 10K171143+28#2729#2701
10K → 15K16921+148#2701#2553
15K → 20K1773+174#2553#2379
20K → Half149+5#2379#2374
Half → 25K7524+51#2374#2323
25K → 30K18513+172#2323#2151
30K → 20M1200+120#2151#2031
20M → 21M934+89#2031#1942
21M → 35K581+57#1942#1885
35K → 23M1232+121#1885#1764
23M → 24M971+96#1764#1668
24M → 40K631+62#1668#1606
40K → 25.2M262+24#1606#1582
25.2M → Finish482+46#1582#1536
TOTALS1419226+1193
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing