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BOSTON MARATHON 2023

John Matson

Bib: 2305•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Division (M18-39)
#0 / 5285
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:33
Rank: #1401
Start → 5K
19:33 | 6:18/mi
10K· 6.21 mi
38:37
Rank: #1238 (+163)
5K → 10K
19:04 | 6:08/mi
15K· 9.32 mi
57:36
Rank: #1151 (+87)
10K → 15K
18:59 | 6:07/mi
20K· 12.43 mi
1:16:42
Rank: #1079 (+72)
15K → 20K
19:06 | 6:09/mi
Half· 13.11 mi
1:20:46
Rank: #1062 (+17)
20K → Half
4:04 | 5:58/mi
25K· 15.53 mi
1:35:25
Rank: #979 (+83)
Half → 25K
14:39 | 6:03/mi
30K· 18.64 mi
1:54:52
Rank: #925 (+54)
25K → 30K
19:27 | 6:16/mi
20M
2:03:25
Rank: #910 (+15)
30K → 20M
8:33 | 6:18/mi
21M
2:10:12
Rank: #911 (-1)
20M → 21M
6:47 | 6:47/mi
35K· 21.75 mi
2:14:53
Rank: #919 (-8)
21M → 35K
4:41 | 6:16/mi
23M
2:22:48
Rank: #900 (+19)
35K → 23M
7:55 | 6:19/mi
24M
2:28:58
Rank: #886 (+14)
23M → 24M
6:10 | 6:10/mi
40K· 24.85 mi
2:34:19
Rank: #866 (+20)
24M → 40K
5:21 | 6:15/mi
25.2M
2:36:40
Rank: #861 (+5)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:43:09
Rank: #867 (-6)
25.2M → Finish
6:29 | 6:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:46
Pace6:10 /mi
2nd Half
Distance13.11 mi
Time1:22:23
Pace6:17 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:3219:336:1819:33
6:18
-
10K
6.21 mi10:39:3638:376:1319:04
6:08
-0:10
15K
9.32 mi10:58:3557:366:1118:59
6:07
-0:01
20K
12.43 mi11:17:411:16:426:1019:06
6:09
+0:02
Half
13.11 mi11:21:451:20:466:104:04
5:58
-0:11
25K
15.53 mi11:36:241:35:256:0914:39
6:03
+0:05
30K
18.64 mi11:55:511:54:526:1019:27
6:16
+0:13
20M
20.00 mi12:04:242:03:256:108:33
6:18
+0:02
21M
21.00 mi12:11:112:10:126:126:47
6:47
+0:29
35K
21.75 mi12:15:522:14:536:124:41
6:16
-0:31
23M
23.00 mi12:23:472:22:486:137:55
6:19
+0:03
24M
24.00 mi12:29:572:28:586:126:10
6:10
-0:09
40K
24.85 mi12:35:182:34:196:135:21
6:15
+0:05
25.2M
25.20 mi12:37:392:36:406:132:21
6:49
+0:34
Finish
26.22 mi12:44:082:43:096:146:29
6:22
-0:27

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

5:58 /mi

Average Pace

6:14 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:01

94% of race

Time at Steady Pace

9:08

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:13 /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 mi10:20:3219:336:1819:33
6:18
#1401
10K
6.21 mi10:39:3638:376:1319:04
6:08
#1238
15K
9.32 mi10:58:3557:366:1118:59
6:07
#1151
20K
12.43 mi11:17:411:16:426:1019:06
6:09
#1079
Half
13.11 mi11:21:451:20:466:104:04
5:58
#1062
25K
15.53 mi11:36:241:35:256:0914:39
6:03
#979
30K
18.64 mi11:55:511:54:526:1019:27
6:16
#925
20M
20.00 mi12:04:242:03:256:108:33
6:18
#910
21M
21.00 mi12:11:112:10:126:126:47
6:47
#911
35K
21.75 mi12:15:522:14:536:124:41
6:16
#919
23M
23.00 mi12:23:472:22:486:137:55
6:19
#900
24M
24.00 mi12:29:572:28:586:126:10
6:10
#886
40K
24.85 mi12:35:182:34:196:135:21
6:15
#866
25.2M
25.20 mi12:37:392:36:406:132:21
6:49
#861
Finish
26.22 mi12:44:082:43:096:146:29
6:22
#867
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi140113311331994(Top 4%)945(Top 6%)945(Top 18%)
10K6.21 mi3.10 mi1238+1631173+1581173+1581131(Top 4%)1073(Top 7%)1073(Top 20%)
15K9.32 mi3.11 mi1151+871091+821091+82994(Top 4%)945(Top 6%)945(Top 18%)
20K12.43 mi3.11 mi1079+721024+671024+67901(Top 3%)856(Top 6%)856(Top 16%)
Half13.11 mi0.68 mi1062+171008+161008+16684(Top 3%)644(Top 4%)644(Top 12%)
25K15.53 mi2.42 mi979+83929+79929+79615(Top 2%)575(Top 4%)575(Top 11%)
30K18.64 mi3.11 mi925+54877+52877+52809(Top 3%)769(Top 5%)769(Top 15%)
20M20.00 mi1.36 mi910+15863+14863+14852(Top 3%)811(Top 5%)811(Top 15%)
21M21.00 mi1.00 mi911-1864-1864-11340(Top 5%)1277(Top 8%)1277(Top 24%)
35K21.75 mi0.75 mi919-8872-8872-81408(Top 5%)1334(Top 9%)1334(Top 25%)
23M23.00 mi1.25 mi900+19853+19853+19884(Top 3%)840(Top 6%)840(Top 16%)
24M24.00 mi1.00 mi886+14839+14839+14910(Top 3%)861(Top 6%)861(Top 16%)
40K24.85 mi0.85 mi866+20819+20819+20778(Top 3%)737(Top 5%)737(Top 14%)
25.2M25.20 mi0.35 mi861+5815+4815+41165(Top 4%)1104(Top 7%)1104(Top 21%)
Finish26.22 mi1.02 mi867-6821-6821-61844(Top 7%)1722(Top 11%)1722(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

994

Males

945

M18-39

945

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1131

Males

1073

M18-39

1073

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

994

Males

945

M18-39

945

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

901

Males

856

M18-39

856

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

684

Males

644

M18-39

644

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

615

Males

575

M18-39

575

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

809

Males

769

M18-39

769

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

852

Males

811

M18-39

811

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1340

Males

1277

M18-39

1277

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1408

Males

1334

M18-39

1334

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

884

Males

840

M18-39

840

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

910

Males

861

M18-39

861

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

778

Males

737

M18-39

737

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1165

Males

1104

M18-39

1104

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1844

Males

1722

M18-39

1722

Passing Analysis

Category:
Athletes Passed
637
Passed By
103
Net Change
+534
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1401
5K → 10K17714+163#1401#1238
10K → 15K958+87#1238#1151
15K → 20K742+72#1151#1079
20K → Half170+17#1079#1062
Half → 25K830+83#1062#979
25K → 30K639+54#979#925
30K → 20M238+15#925#910
20M → 21M910-1#910#911
21M → 35K1018-8#911#919
35K → 23M256+19#919#900
23M → 24M162+14#900#886
24M → 40K222+20#886#866
40K → 25.2M72+5#866#861
25.2M → Finish1622-6#861#867
TOTALS637103+534
📊

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