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BOSTON MARATHON 2023

Sean Flanagan

Bib: 1900•M

WV

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 24%
Gender (Male)
#0 / 15176
Top 37%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:15
Rank: #2383
Start → 5K
20:15 | 6:31/mi
10K· 6.21 mi
41:18
Rank: #3512 (-1129)
5K → 10K
21:03 | 6:47/mi
15K· 9.32 mi
1:02:34
Rank: #4144 (-632)
10K → 15K
21:16 | 6:51/mi
20K· 12.43 mi
1:23:59
Rank: #4429 (-285)
15K → 20K
21:25 | 6:54/mi
Half· 13.11 mi
1:28:38
Rank: #4479 (-50)
20K → Half
4:39 | 6:49/mi
25K· 15.53 mi
1:45:58
Rank: #4911 (-432)
Half → 25K
17:20 | 7:09/mi
30K· 18.64 mi
2:08:35
Rank: #5164 (-253)
25K → 30K
22:37 | 7:17/mi
20M
2:18:36
Rank: #5232 (-68)
30K → 20M
10:01 | 7:22/mi
21M
2:27:01
Rank: #5423 (-191)
20M → 21M
8:25 | 8:25/mi
35K· 21.75 mi
2:32:50
Rank: #5553 (-130)
21M → 35K
5:49 | 7:46/mi
23M
2:42:39
Rank: #5651 (-98)
35K → 23M
9:49 | 7:50/mi
24M
2:50:22
Rank: #5731 (-80)
23M → 24M
7:43 | 7:43/mi
40K· 24.85 mi
2:57:18
Rank: #5834 (-103)
24M → 40K
6:56 | 8:07/mi
25.2M
3:01:10
Rank: #6087 (-253)
40K → 25.2M
3:52 | 11:13/mi
Finish· 26.22 mi
3:09:45
Rank: #6362 (-275)
25.2M → Finish
8:35 | 8:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:38
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:41:07
Pace7:43 /mi
📊Positive Split: 14.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4620:156:3120:15
6:31
-
10K
6.21 mi10:41:4941:186:3921:03
6:47
+0:16
15K
9.32 mi11:03:051:02:346:4321:16
6:51
+0:04
20K
12.43 mi11:24:301:23:596:4521:25
6:54
+0:03
Half
13.11 mi11:29:091:28:386:464:39
6:49
-0:05
25K
15.53 mi11:46:291:45:586:4917:20
7:09
+0:20
30K
18.64 mi12:09:062:08:356:5422:37
7:17
+0:08
20M
20.00 mi12:19:072:18:366:5610:01
7:22
+0:05
21M
21.00 mi12:27:322:27:017:008:25
8:25
+1:03
35K
21.75 mi12:33:212:32:507:025:49
7:46
-0:39
23M
23.00 mi12:43:102:42:397:049:49
7:50
+0:04
24M
24.00 mi12:50:532:50:227:067:43
7:43
-0:07
40K
24.85 mi12:57:492:57:187:086:56
8:07
+0:24
25.2M
25.20 mi13:01:413:01:107:113:52
11:13
+3:06
Finish
26.22 mi13:10:163:09:457:158:35
8:25
-2:48

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

6:31 /mi

Average Pace

7:15 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

41:18

22% of race

Time at Steady Pace

2:00:39

64% of race

Time at Slower Pace

27:48

15% of race

Average Pace: 7:14 /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 mi10:20:4620:156:3120:15
6:31
#2383
10K
6.21 mi10:41:4941:186:3921:03
6:47
#3512
15K
9.32 mi11:03:051:02:346:4321:16
6:51
#4144
20K
12.43 mi11:24:301:23:596:4521:25
6:54
#4429
Half
13.11 mi11:29:091:28:386:464:39
6:49
#4479
25K
15.53 mi11:46:291:45:586:4917:20
7:09
#4911
30K
18.64 mi12:09:062:08:356:5422:37
7:17
#5164
20M
20.00 mi12:19:072:18:366:5610:01
7:22
#5232
21M
21.00 mi12:27:322:27:017:008:25
8:25
#5423
35K
21.75 mi12:33:212:32:507:025:49
7:46
#5553
23M
23.00 mi12:43:102:42:397:049:49
7:50
#5651
24M
24.00 mi12:50:532:50:227:067:43
7:43
#5731
40K
24.85 mi12:57:492:57:187:086:56
8:07
#5834
25.2M
25.20 mi13:01:413:01:107:113:52
11:13
#6087
Finish
26.22 mi13:10:163:09:457:158:35
8:25
#6362
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2383227322735530(Top 21%)5093(Top 34%)5093(Top 96%)
10K6.21 mi3.10 mi3512-11293317-10443317-10445070(Top 19%)4693(Top 31%)4693(Top 89%)
15K9.32 mi3.11 mi4144-6323891-5743891-5745530(Top 21%)5093(Top 34%)5093(Top 96%)
20K12.43 mi3.11 mi4429-2854143-2524143-2525306(Top 20%)4899(Top 32%)4899(Top 93%)
Half13.11 mi0.68 mi4479-504190-474190-475433(Top 20%)5016(Top 33%)5016(Top 95%)
25K15.53 mi2.42 mi4911-4324565-3754565-3756383(Top 24%)5710(Top 38%)5710(Top 108%)
30K18.64 mi3.11 mi5164-2534780-2154780-2155918(Top 22%)5318(Top 35%)5318(Top 101%)
20M20.00 mi1.36 mi5232-684835-554835-556033(Top 23%)5318(Top 35%)5318(Top 101%)
21M21.00 mi1.00 mi5423-1914986-1514986-1519918(Top 37%)7547(Top 50%)7547(Top 143%)
35K21.75 mi0.75 mi5553-1305095-1095095-10910401(Top 39%)7806(Top 51%)7806(Top 148%)
23M23.00 mi1.25 mi5651-985156-615156-618650(Top 32%)6776(Top 45%)6776(Top 128%)
24M24.00 mi1.00 mi5731-805206-505206-509152(Top 34%)6955(Top 46%)6955(Top 132%)
40K24.85 mi0.85 mi5834-1035273-675273-6710714(Top 40%)7690(Top 51%)7690(Top 146%)
25.2M25.20 mi0.35 mi6087-2535459-1865459-18620895(Top 78%)12328(Top 81%)12328(Top 233%)
Finish26.22 mi1.02 mi6362-2755659-2005659-20014847(Top 56%)9642(Top 64%)9642(Top 182%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5530

Males

5093

M18-39

5093

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5070

Males

4693

M18-39

4693

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5530

Males

5093

M18-39

5093

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5306

Males

4899

M18-39

4899

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5433

Males

5016

M18-39

5016

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6383

Males

5710

M18-39

5710

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

5918

Males

5318

M18-39

5318

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6033

Males

5318

M18-39

5318

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

9918

Males

7547

M18-39

7547

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

10401

Males

7806

M18-39

7806

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

8650

Males

6776

M18-39

6776

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9152

Males

6955

M18-39

6955

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10714

Males

7690

M18-39

7690

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20895

Males

12328

M18-39

12328

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

14847

Males

9642

M18-39

9642

Passing Analysis

Category:
Athletes Passed
336
Passed By
4315
Net Change
-3979
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2383
5K → 10K51134-1129#2383#3512
10K → 15K16648-632#3512#4144
15K → 20K31316-285#4144#4429
20K → Half1060-50#4429#4479
Half → 25K29461-432#4479#4911
25K → 30K72325-253#4911#5164
30K → 20M43111-68#5164#5232
20M → 21M18209-191#5232#5423
21M → 35K12142-130#5423#5553
35K → 23M44142-98#5553#5651
23M → 24M25105-80#5651#5731
24M → 40K20123-103#5731#5834
40K → 25.2M1254-253#5834#6087
25.2M → Finish10285-275#6087#6362
TOTALS3364315-3979
📊

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