Boston Marathon logo
BOSTON MARATHON 2023

Sean Young

Bib: 4701•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 18%
Division (M18-39)
#0 / 5285
Top 39%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:47
Rank: #3569
Start → 5K
20:47 | 6:41/mi
10K· 6.21 mi
41:26
Rank: #3670 (-101)
5K → 10K
20:39 | 6:39/mi
15K· 9.32 mi
1:02:17
Rank: #3838 (-168)
10K → 15K
20:51 | 6:43/mi
20K· 12.43 mi
1:23:11
Rank: #3801 (+37)
15K → 20K
20:54 | 6:44/mi
Half· 13.11 mi
1:27:43
Rank: #3790 (+11)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:43:54
Rank: #3666 (+124)
Half → 25K
16:11 | 6:40/mi
30K· 18.64 mi
2:04:47
Rank: #3385 (+281)
25K → 30K
20:53 | 6:43/mi
20M
2:13:53
Rank: #3245 (+140)
30K → 20M
9:06 | 6:42/mi
21M
2:20:56
Rank: #3167 (+78)
20M → 21M
7:03 | 7:03/mi
35K· 21.75 mi
2:25:50
Rank: #3125 (+42)
21M → 35K
4:54 | 6:33/mi
23M
2:34:14
Rank: #3037 (+88)
35K → 23M
8:24 | 6:43/mi
24M
2:40:51
Rank: #2990 (+47)
23M → 24M
6:37 | 6:37/mi
40K· 24.85 mi
2:46:38
Rank: #2943 (+47)
24M → 40K
5:47 | 6:46/mi
25.2M
2:49:08
Rank: #2925 (+18)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
2:55:36
Rank: #2847 (+78)
25.2M → Finish
6:28 | 6:21/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 Half⚖️ Balanced
Distance13.11 mi
Time1:27:43
Pace6:41 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:27:53
Pace6:42 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3720:476:4120:47
6:41
-
10K
6.21 mi10:43:1641:266:4020:39
6:39
-0:02
15K
9.32 mi11:04:071:02:176:4120:51
6:43
+0:04
20K
12.43 mi11:25:011:23:116:4220:54
6:44
+0:01
Half
13.11 mi11:29:331:27:436:414:32
6:39
-0:05
25K
15.53 mi11:45:441:43:546:4116:11
6:40
+0:01
30K
18.64 mi12:06:372:04:476:4220:53
6:43
+0:03
20M
20.00 mi12:15:432:13:536:429:06
6:42
-0:01
21M
21.00 mi12:22:462:20:566:437:03
7:03
+0:21
35K
21.75 mi12:27:402:25:506:424:54
6:33
-0:30
23M
23.00 mi12:36:042:34:146:428:24
6:43
+0:10
24M
24.00 mi12:42:412:40:516:426:37
6:37
-0:06
40K
24.85 mi12:48:282:46:386:425:47
6:46
+0:09
25.2M
25.20 mi12:50:582:49:086:432:30
7:15
+0:29
Finish
26.22 mi12:57:262:55:366:426:28
6:21
-0:54

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

6:21 /mi

Average Pace

6:42 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:03

95% of race

Time at Steady Pace

9:33

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:42 /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 mi10:22:3720:476:4120:47
6:41
#3569
10K
6.21 mi10:43:1641:266:4020:39
6:39
#3670
15K
9.32 mi11:04:071:02:176:4120:51
6:43
#3838
20K
12.43 mi11:25:011:23:116:4220:54
6:44
#3801
Half
13.11 mi11:29:331:27:436:414:32
6:39
#3790
25K
15.53 mi11:45:441:43:546:4116:11
6:40
#3666
30K
18.64 mi12:06:372:04:476:4220:53
6:43
#3385
20M
20.00 mi12:15:432:13:536:429:06
6:42
#3245
21M
21.00 mi12:22:462:20:566:437:03
7:03
#3167
35K
21.75 mi12:27:402:25:506:424:54
6:33
#3125
23M
23.00 mi12:36:042:34:146:428:24
6:43
#3037
24M
24.00 mi12:42:412:40:516:426:37
6:37
#2990
40K
24.85 mi12:48:282:46:386:425:47
6:46
#2943
25.2M
25.20 mi12:50:582:49:086:432:30
7:15
#2925
Finish
26.22 mi12:57:262:55:366:426:28
6:21
#2847
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3569336233624220(Top 16%)3957(Top 26%)3957(Top 75%)
10K6.21 mi3.10 mi3670-1013460-983460-983848(Top 14%)3625(Top 24%)3625(Top 69%)
15K9.32 mi3.11 mi3838-1683616-1563616-1564220(Top 16%)3957(Top 26%)3957(Top 75%)
20K12.43 mi3.11 mi3801+373590+263590+263765(Top 14%)3553(Top 23%)3553(Top 67%)
Half13.11 mi0.68 mi3790+113580+103580+103728(Top 14%)3512(Top 23%)3512(Top 66%)
25K15.53 mi2.42 mi3666+1243465+1153465+1153166(Top 12%)3018(Top 20%)3018(Top 57%)
30K18.64 mi3.11 mi3385+2813207+2583207+2582523(Top 9%)2400(Top 16%)2400(Top 45%)
20M20.00 mi1.36 mi3245+1403079+1283079+1282270(Top 9%)2159(Top 14%)2159(Top 41%)
21M21.00 mi1.00 mi3167+783004+753004+752390(Top 9%)2259(Top 15%)2259(Top 43%)
35K21.75 mi0.75 mi3125+422964+402964+402696(Top 10%)2539(Top 17%)2539(Top 48%)
23M23.00 mi1.25 mi3037+882886+782886+782215(Top 8%)2088(Top 14%)2088(Top 40%)
24M24.00 mi1.00 mi2990+472841+452841+452645(Top 10%)2463(Top 16%)2463(Top 47%)
40K24.85 mi0.85 mi2943+472793+482793+482638(Top 10%)2437(Top 16%)2437(Top 46%)
25.2M25.20 mi0.35 mi2925+182775+182775+182697(Top 10%)2483(Top 16%)2483(Top 47%)
Finish26.22 mi1.02 mi2847+782699+762699+761817(Top 7%)1701(Top 11%)1701(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4220

Males

3957

M18-39

3957

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3848

Males

3625

M18-39

3625

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4220

Males

3957

M18-39

3957

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3765

Males

3553

M18-39

3553

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3728

Males

3512

M18-39

3512

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3166

Males

3018

M18-39

3018

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2523

Males

2400

M18-39

2400

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2270

Males

2159

M18-39

2159

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2390

Males

2259

M18-39

2259

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2696

Males

2539

M18-39

2539

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2215

Males

2088

M18-39

2088

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2645

Males

2463

M18-39

2463

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2638

Males

2437

M18-39

2437

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2697

Males

2483

M18-39

2483

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1817

Males

1701

M18-39

1701

Passing Analysis

Category:
Athletes Passed
1433
Passed By
711
Net Change
+722
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3569
5K → 10K152253-101#3569#3670
10K → 15K54222-168#3670#3838
15K → 20K12790+37#3838#3801
20K → Half2716+11#3801#3790
Half → 25K14824+124#3790#3666
25K → 30K2909+281#3666#3385
30K → 20M15212+140#3385#3245
20M → 21M879+78#3245#3167
21M → 35K5210+42#3167#3125
35K → 23M9911+88#3125#3037
23M → 24M6821+47#3037#2990
24M → 40K6316+47#2990#2943
40K → 25.2M2810+18#2943#2925
25.2M → Finish868+78#2925#2847
TOTALS1433711+722
📊

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