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BOSTON MARATHON 2023

Matthew Johnson

Bib: 29915•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 44%
Gender (Male)
#0 / 15176
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
24:50
Rank: #13989
Start → 5K
24:50 | 8:00/mi
10K· 6.21 mi
50:07
Rank: #14880 (-891)
5K → 10K
25:17 | 8:08/mi
15K· 9.32 mi
1:15:12
Rank: #14894 (-14)
10K → 15K
25:05 | 8:04/mi
20K· 12.43 mi
1:40:01
Rank: #14466 (+428)
15K → 20K
24:49 | 7:59/mi
Half· 13.11 mi
1:45:23
Rank: #14410 (+56)
20K → Half
5:22 | 7:52/mi
25K· 15.53 mi
2:04:44
Rank: #14098 (+312)
Half → 25K
19:21 | 7:59/mi
30K· 18.64 mi
2:30:33
Rank: #13907 (+191)
25K → 30K
25:49 | 8:19/mi
20M
2:41:32
Rank: #13648 (+259)
30K → 20M
10:59 | 8:05/mi
21M
2:49:42
Rank: #13311 (+337)
20M → 21M
8:10 | 8:10/mi
35K· 21.75 mi
2:55:04
Rank: #13010 (+301)
21M → 35K
5:22 | 7:10/mi
23M
3:04:37
Rank: #12649 (+361)
35K → 23M
9:33 | 7:38/mi
24M
3:12:06
Rank: #12409 (+240)
23M → 24M
7:29 | 7:29/mi
40K· 24.85 mi
3:18:44
Rank: #12257 (+152)
24M → 40K
6:38 | 7:45/mi
25.2M
3:21:30
Rank: #12139 (+118)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:28:36
Rank: #11824 (+315)
25.2M → Finish
7:06 | 6:58/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:45:23
Pace8:02 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:43:13
Pace7:52 /mi
📊Negative Split: 2.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:4524:508:0024:50
8:00
-
10K
6.21 mi12:08:0250:078:0425:17
8:08
+0:08
15K
9.32 mi12:33:071:15:128:0425:05
8:04
-0:04
20K
12.43 mi12:57:561:40:018:0324:49
7:59
-0:05
Half
13.11 mi13:03:181:45:238:025:22
7:52
-0:07
25K
15.53 mi13:22:392:04:448:0219:21
7:59
+0:07
30K
18.64 mi13:48:282:30:338:0525:49
8:19
+0:20
20M
20.00 mi13:59:272:41:328:0510:59
8:05
-0:14
21M
21.00 mi14:07:372:49:428:058:10
8:10
+0:05
35K
21.75 mi14:12:592:55:048:035:22
7:10
-1:00
23M
23.00 mi14:22:323:04:378:029:33
7:38
+0:28
24M
24.00 mi14:30:013:12:068:007:29
7:29
-0:09
40K
24.85 mi14:36:393:18:448:006:38
7:45
+0:16
25.2M
25.20 mi14:39:253:21:308:002:46
8:01
+0:16
Finish
26.22 mi14:46:313:28:367:587:06
6:58
-1:03

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

6:58 /mi

Average Pace

7:58 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

29:30

14% of race

Time at Steady Pace

2:33:17

73% of race

Time at Slower Pace

25:49

12% of race

Average Pace: 7:57 /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 mi11:42:4524:508:0024:50
8:00
#13989
10K
6.21 mi12:08:0250:078:0425:17
8:08
#14880
15K
9.32 mi12:33:071:15:128:0425:05
8:04
#14894
20K
12.43 mi12:57:561:40:018:0324:49
7:59
#14466
Half
13.11 mi13:03:181:45:238:025:22
7:52
#14410
25K
15.53 mi13:22:392:04:448:0219:21
7:59
#14098
30K
18.64 mi13:48:282:30:338:0525:49
8:19
#13907
20M
20.00 mi13:59:272:41:328:0510:59
8:05
#13648
21M
21.00 mi14:07:372:49:428:058:10
8:10
#13311
35K
21.75 mi14:12:592:55:048:035:22
7:10
#13010
23M
23.00 mi14:22:323:04:378:029:33
7:38
#12649
24M
24.00 mi14:30:013:12:068:007:29
7:29
#12409
40K
24.85 mi14:36:393:18:448:006:38
7:45
#12257
25.2M
25.20 mi14:39:253:21:308:002:46
8:01
#12139
Finish
26.22 mi14:46:313:28:367:587:06
6:58
#11824
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi139899943994315005(Top 56%)10301(Top 68%)10301(Top 195%)
10K6.21 mi3.10 mi14880-89110281-33810281-33815823(Top 59%)10639(Top 70%)10639(Top 201%)
15K9.32 mi3.11 mi14894-1410277+410277+415005(Top 56%)10301(Top 68%)10301(Top 195%)
20K12.43 mi3.11 mi14466+42810094+18310094+18313336(Top 50%)9587(Top 63%)9587(Top 181%)
Half13.11 mi0.68 mi14410+5610070+2410070+2413426(Top 50%)9636(Top 63%)9636(Top 182%)
25K15.53 mi2.42 mi14098+3129908+1629908+16212617(Top 47%)9167(Top 60%)9167(Top 173%)
30K18.64 mi3.11 mi13907+1919803+1059803+10513103(Top 49%)9273(Top 61%)9273(Top 175%)
20M20.00 mi1.36 mi13648+2599686+1179686+11710932(Top 41%)8207(Top 54%)8207(Top 155%)
21M21.00 mi1.00 mi13311+3379534+1529534+1528469(Top 32%)6739(Top 44%)6739(Top 128%)
35K21.75 mi0.75 mi13010+3019384+1509384+1506437(Top 24%)5517(Top 36%)5517(Top 104%)
23M23.00 mi1.25 mi12649+3619212+1729212+1727318(Top 27%)5999(Top 40%)5999(Top 114%)
24M24.00 mi1.00 mi12409+2409095+1179095+1177652(Top 29%)6091(Top 40%)6091(Top 115%)
40K24.85 mi0.85 mi12257+1529006+899006+898450(Top 32%)6505(Top 43%)6505(Top 123%)
25.2M25.20 mi0.35 mi12139+1188941+658941+656776(Top 25%)5412(Top 36%)5412(Top 102%)
Finish26.22 mi1.02 mi11824+3158783+1588783+1585064(Top 19%)4300(Top 28%)4300(Top 81%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

15005

Males

10301

M18-39

10301

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

15823

Males

10639

M18-39

10639

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

15005

Males

10301

M18-39

10301

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

13336

Males

9587

M18-39

9587

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

13426

Males

9636

M18-39

9636

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

12617

Males

9167

M18-39

9167

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

13103

Males

9273

M18-39

9273

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

10932

Males

8207

M18-39

8207

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8469

Males

6739

M18-39

6739

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6437

Males

5517

M18-39

5517

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7318

Males

5999

M18-39

5999

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

7652

Males

6091

M18-39

6091

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8450

Males

6505

M18-39

6505

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6776

Males

5412

M18-39

5412

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5064

Males

4300

M18-39

4300

Passing Analysis

Category:
Athletes Passed
3498
Passed By
1333
Net Change
+2165
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13989
5K → 10K58949-891#13989#14880
10K → 15K185199-14#14880#14894
15K → 20K45830+428#14894#14466
20K → Half7519+56#14466#14410
Half → 25K33321+312#14410#14098
25K → 30K28998+191#14098#13907
30K → 20M2689+259#13907#13648
20M → 21M3370+337#13648#13311
21M → 35K3010+301#13311#13010
35K → 23M3621+361#13010#12649
23M → 24M2411+240#12649#12409
24M → 40K1564+152#12409#12257
40K → 25.2M1191+118#12257#12139
25.2M → Finish3161+315#12139#11824
TOTALS34981333+2165
📊

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