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BOSTON MARATHON 2023

Sean Dunn

Bib: 1218•M

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Division (M18-39)
#0 / 5285
Top 18%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:36
Rank: #668
Start → 5K
18:36 | 5:59/mi
10K· 6.21 mi
37:01
Rank: #646 (+22)
5K → 10K
18:25 | 5:56/mi
15K· 9.32 mi
55:29
Rank: #626 (+20)
10K → 15K
18:28 | 5:57/mi
20K· 12.43 mi
1:14:13
Rank: #618 (+8)
15K → 20K
18:44 | 6:02/mi
Half· 13.11 mi
1:18:17
Rank: #621 (-3)
20K → Half
4:04 | 5:58/mi
25K· 15.53 mi
1:33:11
Rank: #641 (-20)
Half → 25K
14:54 | 6:09/mi
30K· 18.64 mi
1:53:02
Rank: #700 (-59)
25K → 30K
19:51 | 6:23/mi
20M
2:02:06
Rank: #761 (-61)
30K → 20M
9:04 | 6:40/mi
21M
2:09:46
Rank: #861 (-100)
20M → 21M
7:40 | 7:40/mi
35K· 21.75 mi
2:14:38
Rank: #889 (-28)
21M → 35K
4:52 | 6:30/mi
23M
2:23:06
Rank: #931 (-42)
35K → 23M
8:28 | 6:46/mi
24M
2:29:40
Rank: #956 (-25)
23M → 24M
6:34 | 6:34/mi
40K· 24.85 mi
2:35:43
Rank: #1007 (-51)
24M → 40K
6:03 | 7:05/mi
25.2M
2:38:26
Rank: #1064 (-57)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
2:45:45
Rank: #1173 (-109)
25.2M → Finish
7:19 | 7:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:17
Pace5:58 /mi
2nd Half
Distance13.11 mi
Time1:27:28
Pace6:40 /mi
📊Positive Split: 11.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:0518:365:5918:36
5:59
-
10K
6.21 mi10:37:3037:015:5718:25
5:56
-0:03
15K
9.32 mi10:55:5855:295:5718:28
5:57
+0:01
20K
12.43 mi11:14:421:14:135:5818:44
6:02
+0:05
Half
13.11 mi11:18:461:18:175:584:04
5:58
-0:04
25K
15.53 mi11:33:401:33:116:0014:54
6:09
+0:11
30K
18.64 mi11:53:311:53:026:0419:51
6:23
+0:14
20M
20.00 mi12:02:352:02:066:069:04
6:40
+0:17
21M
21.00 mi12:10:152:09:466:117:40
7:40
+1:00
35K
21.75 mi12:15:072:14:386:114:52
6:30
-1:10
23M
23.00 mi12:23:352:23:066:138:28
6:46
+0:16
24M
24.00 mi12:30:092:29:406:146:34
6:34
-0:12
40K
24.85 mi12:36:122:35:436:166:03
7:05
+0:31
25.2M
25.20 mi12:38:552:38:266:172:43
7:53
+0:48
Finish
26.22 mi12:46:142:45:456:207:19
7:11
-0:42

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

5:56 /mi

Average Pace

6:20 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:11

56% of race

Time at Steady Pace

48:49

29% of race

Time at Slower Pace

23:45

14% of race

Average Pace: 6:19 /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 mi10:19:0518:365:5918:36
5:59
#668
10K
6.21 mi10:37:3037:015:5718:25
5:56
#646
15K
9.32 mi10:55:5855:295:5718:28
5:57
#626
20K
12.43 mi11:14:421:14:135:5818:44
6:02
#618
Half
13.11 mi11:18:461:18:175:584:04
5:58
#621
25K
15.53 mi11:33:401:33:116:0014:54
6:09
#641
30K
18.64 mi11:53:311:53:026:0419:51
6:23
#700
20M
20.00 mi12:02:352:02:066:069:04
6:40
#761
21M
21.00 mi12:10:152:09:466:117:40
7:40
#861
35K
21.75 mi12:15:072:14:386:114:52
6:30
#889
23M
23.00 mi12:23:352:23:066:138:28
6:46
#931
24M
24.00 mi12:30:092:29:406:146:34
6:34
#956
40K
24.85 mi12:36:122:35:436:166:03
7:05
#1007
25.2M
25.20 mi12:38:552:38:266:172:43
7:53
#1064
Finish
26.22 mi12:46:142:45:456:207:19
7:11
#1173
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi668624624594(Top 2%)551(Top 4%)551(Top 10%)
10K6.21 mi3.10 mi646+22602+22602+22637(Top 2%)594(Top 4%)594(Top 11%)
15K9.32 mi3.11 mi626+20583+19583+19594(Top 2%)551(Top 4%)551(Top 10%)
20K12.43 mi3.11 mi618+8575+8575+8624(Top 2%)584(Top 4%)584(Top 11%)
Half13.11 mi0.68 mi621-3578-3578-3688(Top 3%)648(Top 4%)648(Top 12%)
25K15.53 mi2.42 mi641-20600-22600-22860(Top 3%)815(Top 5%)815(Top 15%)
30K18.64 mi3.11 mi700-59658-58658-581180(Top 4%)1125(Top 7%)1125(Top 21%)
20M20.00 mi1.36 mi761-61719-61719-612136(Top 8%)2031(Top 13%)2031(Top 38%)
21M21.00 mi1.00 mi861-100815-96815-965402(Top 20%)4755(Top 31%)4755(Top 90%)
35K21.75 mi0.75 mi889-28842-27842-272386(Top 9%)2258(Top 15%)2258(Top 43%)
23M23.00 mi1.25 mi931-42884-42884-422416(Top 9%)2268(Top 15%)2268(Top 43%)
24M24.00 mi1.00 mi956-25909-25909-252361(Top 9%)2204(Top 15%)2204(Top 42%)
40K24.85 mi0.85 mi1007-51958-49958-494200(Top 16%)3735(Top 25%)3735(Top 71%)
25.2M25.20 mi0.35 mi1064-571012-541012-545673(Top 21%)4693(Top 31%)4693(Top 89%)
Finish26.22 mi1.02 mi1173-1091117-1051117-1056237(Top 23%)5076(Top 33%)5076(Top 96%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

594

Males

551

M18-39

551

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

637

Males

594

M18-39

594

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

594

Males

551

M18-39

551

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

624

Males

584

M18-39

584

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

688

Males

648

M18-39

648

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

860

Males

815

M18-39

815

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1180

Males

1125

M18-39

1125

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2136

Males

2031

M18-39

2031

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5402

Males

4755

M18-39

4755

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2386

Males

2258

M18-39

2258

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2416

Males

2268

M18-39

2268

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2361

Males

2204

M18-39

2204

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4200

Males

3735

M18-39

3735

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5673

Males

4693

M18-39

4693

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6237

Males

5076

M18-39

5076

Passing Analysis

Category:
Athletes Passed
137
Passed By
642
Net Change
-505
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#668
5K → 10K4119+22#668#646
10K → 15K3212+20#646#626
15K → 20K2113+8#626#618
20K → Half14-3#618#621
Half → 25K1131-20#621#641
25K → 30K665-59#641#700
30K → 20M263-61#700#761
20M → 21M3103-100#761#861
21M → 35K331-28#861#889
35K → 23M547-42#889#931
23M → 24M732-25#931#956
24M → 40K354-51#956#1007
40K → 25.2M057-57#1007#1064
25.2M → Finish2111-109#1064#1173
TOTALS137642-505
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing