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BOSTON MARATHON 2023

Kim Sedeyn

Bib: 9725•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 19%
Masters (Masters Men)
#0 / 9891
Top 7%
Division (M40-44)
#0 / 2241
Top 19%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:55
Rank: #6572
Start → 5K
21:55 | 7:03/mi
10K· 6.21 mi
42:33
Rank: #5384 (+1188)
5K → 10K
20:38 | 6:38/mi
15K· 9.32 mi
1:02:55
Rank: #4503 (+881)
10K → 15K
20:22 | 6:33/mi
20K· 12.43 mi
1:23:43
Rank: #4214 (+289)
15K → 20K
20:48 | 6:42/mi
Half· 13.11 mi
1:28:13
Rank: #4172 (+42)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:44:23
Rank: #3955 (+217)
Half → 25K
16:10 | 6:40/mi
30K· 18.64 mi
2:05:13
Rank: #3591 (+364)
25K → 30K
20:50 | 6:42/mi
20M
2:14:28
Rank: #3480 (+111)
30K → 20M
9:15 | 6:48/mi
21M
2:21:30
Rank: #3342 (+138)
20M → 21M
7:02 | 7:02/mi
35K· 21.75 mi
2:26:25
Rank: #3311 (+31)
21M → 35K
4:55 | 6:34/mi
23M
2:34:58
Rank: #3253 (+58)
35K → 23M
8:33 | 6:50/mi
24M
2:41:30
Rank: #3178 (+75)
23M → 24M
6:32 | 6:32/mi
40K· 24.85 mi
2:47:10
Rank: #3085 (+93)
24M → 40K
5:40 | 6:38/mi
25.2M
2:49:39
Rank: #3059 (+26)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:56:11
Rank: #2971 (+88)
25.2M → Finish
6:32 | 6:25/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:28:13
Pace6:44 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:27:58
Pace6:43 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:2521:557:0321:55
7:03
-
10K
6.21 mi11:08:0342:336:5120:38
6:38
-0:25
15K
9.32 mi11:28:251:02:556:4520:22
6:33
-0:05
20K
12.43 mi11:49:131:23:436:4420:48
6:42
+0:09
Half
13.11 mi11:53:431:28:136:444:30
6:36
-0:06
25K
15.53 mi12:09:531:44:236:4316:10
6:40
+0:04
30K
18.64 mi12:30:432:05:136:4320:50
6:42
+0:02
20M
20.00 mi12:39:582:14:286:439:15
6:48
+0:06
21M
21.00 mi12:47:002:21:306:447:02
7:02
+0:14
35K
21.75 mi12:51:552:26:256:444:55
6:34
-0:28
23M
23.00 mi13:00:282:34:586:448:33
6:50
+0:16
24M
24.00 mi13:07:002:41:306:446:32
6:32
-0:18
40K
24.85 mi13:12:402:47:106:445:40
6:38
+0:06
25.2M
25.20 mi13:15:092:49:396:442:29
7:12
+0:34
Finish
26.22 mi13:21:412:56:116:436:32
6:25
-0:47

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

6:25 /mi

Average Pace

6:43 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:42

99% of race

Time at Steady Pace

2:29

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:43 /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 mi10:47:2521:557:0321:55
7:03
#6572
10K
6.21 mi11:08:0342:336:5120:38
6:38
#5384
15K
9.32 mi11:28:251:02:556:4520:22
6:33
#4503
20K
12.43 mi11:49:131:23:436:4420:48
6:42
#4214
Half
13.11 mi11:53:431:28:136:444:30
6:36
#4172
25K
15.53 mi12:09:531:44:236:4316:10
6:40
#3955
30K
18.64 mi12:30:432:05:136:4320:50
6:42
#3591
20M
20.00 mi12:39:582:14:286:439:15
6:48
#3480
21M
21.00 mi12:47:002:21:306:447:02
7:02
#3342
35K
21.75 mi12:51:552:26:256:444:55
6:34
#3311
23M
23.00 mi13:00:282:34:586:448:33
6:50
#3253
24M
24.00 mi13:07:002:41:306:446:32
6:32
#3178
40K
24.85 mi13:12:402:47:106:445:40
6:38
#3085
25.2M
25.20 mi13:15:092:49:396:442:29
7:12
#3059
Finish
26.22 mi13:21:412:56:116:436:32
6:25
#2971
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6572593759372960(Top 11%)2826(Top 19%)2826(Top 126%)
10K6.21 mi3.10 mi5384+11884973+9644973+9643797(Top 14%)3581(Top 24%)3581(Top 160%)
15K9.32 mi3.11 mi4503+8814207+7664207+7662960(Top 11%)2826(Top 19%)2826(Top 126%)
20K12.43 mi3.11 mi4214+2893950+2573950+2573528(Top 13%)3337(Top 22%)3337(Top 149%)
Half13.11 mi0.68 mi4172+423913+373913+373360(Top 13%)3191(Top 21%)3191(Top 142%)
25K15.53 mi2.42 mi3955+2173723+1903723+1903109(Top 12%)2964(Top 20%)2964(Top 132%)
30K18.64 mi3.11 mi3591+3643397+3263397+3262428(Top 9%)2312(Top 15%)2312(Top 103%)
20M20.00 mi1.36 mi3480+1113291+1063291+1062855(Top 11%)2690(Top 18%)2690(Top 120%)
21M21.00 mi1.00 mi3342+1383165+1263165+1262307(Top 9%)2180(Top 14%)2180(Top 97%)
35K21.75 mi0.75 mi3311+313136+293136+292831(Top 11%)2658(Top 18%)2658(Top 119%)
23M23.00 mi1.25 mi3253+583082+543082+542810(Top 11%)2626(Top 17%)2626(Top 117%)
24M24.00 mi1.00 mi3178+753011+713011+712243(Top 8%)2101(Top 14%)2101(Top 94%)
40K24.85 mi0.85 mi3085+932922+892922+892045(Top 8%)1915(Top 13%)1915(Top 85%)
25.2M25.20 mi0.35 mi3059+262898+242898+242520(Top 9%)2333(Top 15%)2333(Top 104%)
Finish26.22 mi1.02 mi2971+882813+852813+852065(Top 8%)1920(Top 13%)1920(Top 86%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

2960

Males

2826

M40-44

2826

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3797

Males

3581

M40-44

3581

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

2960

Males

2826

M40-44

2826

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3528

Males

3337

M40-44

3337

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3360

Males

3191

M40-44

3191

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3109

Males

2964

M40-44

2964

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2428

Males

2312

M40-44

2312

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2855

Males

2690

M40-44

2690

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2307

Males

2180

M40-44

2180

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

2831

Males

2658

M40-44

2658

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2810

Males

2626

M40-44

2626

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2243

Males

2101

M40-44

2101

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2045

Males

1915

M40-44

1915

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2520

Males

2333

M40-44

2333

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2065

Males

1920

M40-44

1920

Passing Analysis

Category:
Athletes Passed
3719
Passed By
118
Net Change
+3601
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6572
5K → 10K11957+1188#6572#5384
10K → 15K8810+881#5384#4503
15K → 20K29910+289#4503#4214
20K → Half486+42#4214#4172
Half → 25K2225+217#4172#3955
25K → 30K3706+364#3955#3591
30K → 20M12211+111#3591#3480
20M → 21M1457+138#3480#3342
21M → 35K4110+31#3342#3311
35K → 23M8224+58#3311#3253
23M → 24M805+75#3253#3178
24M → 40K996+93#3178#3085
40K → 25.2M326+26#3085#3059
25.2M → Finish10315+88#3059#2971
TOTALS3719118+3601
📊

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