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BOSTON MARATHON 2023

Adam Cohen

Bib: 1467•M

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0:00
/ mi
Masters
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Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 11%
Masters (Masters Men)
#0 / 9891
Top 3%
Division (M55-59)
#0 / 1422
Top 0.4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:11
Rank: #2246
Start → 5K
20:11 | 6:30/mi
10K· 6.21 mi
40:10
Rank: #2298 (-52)
5K → 10K
19:59 | 6:26/mi
15K· 9.32 mi
1:00:21
Rank: #2405 (-107)
10K → 15K
20:11 | 6:30/mi
20K· 12.43 mi
1:20:45
Rank: #2431 (-26)
15K → 20K
20:24 | 6:34/mi
Half· 13.11 mi
1:25:09
Rank: #2435 (-4)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:40:46
Rank: #2346 (+89)
Half → 25K
15:37 | 6:26/mi
30K· 18.64 mi
2:01:06
Rank: #2213 (+133)
25K → 30K
20:20 | 6:33/mi
20M
2:09:55
Rank: #2115 (+98)
30K → 20M
8:49 | 6:29/mi
21M
2:16:44
Rank: #2060 (+55)
20M → 21M
6:49 | 6:49/mi
35K· 21.75 mi
2:21:22
Rank: #2017 (+43)
21M → 35K
4:38 | 6:12/mi
23M
2:29:19
Rank: #1897 (+120)
35K → 23M
7:57 | 6:21/mi
24M
2:35:31
Rank: #1837 (+60)
23M → 24M
6:12 | 6:12/mi
40K· 24.85 mi
2:40:56
Rank: #1779 (+58)
24M → 40K
5:25 | 6:20/mi
25.2M
2:43:15
Rank: #1750 (+29)
40K → 25.2M
2:19 | 6:43/mi
Finish· 26.22 mi
2:49:34
Rank: #1707 (+43)
25.2M → Finish
6:19 | 6:12/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:25:09
Pace6:30 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:24:25
Pace6:26 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4720:116:3020:11
6:30
-
10K
6.21 mi10:40:4640:106:2819:59
6:26
-0:04
15K
9.32 mi11:00:571:00:216:2820:11
6:30
+0:04
20K
12.43 mi11:21:211:20:456:3020:24
6:34
+0:04
Half
13.11 mi11:25:451:25:096:304:24
6:27
-0:07
25K
15.53 mi11:41:221:40:466:2915:37
6:26
-0:01
30K
18.64 mi12:01:422:01:066:3020:20
6:33
+0:07
20M
20.00 mi12:10:312:09:556:308:49
6:29
-0:04
21M
21.00 mi12:17:202:16:446:316:49
6:49
+0:20
35K
21.75 mi12:21:582:21:226:304:38
6:12
-0:37
23M
23.00 mi12:29:552:29:196:307:57
6:21
+0:09
24M
24.00 mi12:36:072:35:316:296:12
6:12
-0:09
40K
24.85 mi12:41:322:40:566:285:25
6:20
+0:08
25.2M
25.20 mi12:43:512:43:156:292:19
6:43
+0:23
Finish
26.22 mi12:50:102:49:346:286:19
6:12
-0:31

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

6:12 /mi

Average Pace

6:28 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:42

71% of race

Time at Steady Pace

49:52

29% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:28 /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 mi10:20:4720:116:3020:11
6:30
#2246
10K
6.21 mi10:40:4640:106:2819:59
6:26
#2298
15K
9.32 mi11:00:571:00:216:2820:11
6:30
#2405
20K
12.43 mi11:21:211:20:456:3020:24
6:34
#2431
Half
13.11 mi11:25:451:25:096:304:24
6:27
#2435
25K
15.53 mi11:41:221:40:466:2915:37
6:26
#2346
30K
18.64 mi12:01:422:01:066:3020:20
6:33
#2213
20M
20.00 mi12:10:312:09:556:308:49
6:29
#2115
21M
21.00 mi12:17:202:16:446:316:49
6:49
#2060
35K
21.75 mi12:21:582:21:226:304:38
6:12
#2017
23M
23.00 mi12:29:552:29:196:307:57
6:21
#1897
24M
24.00 mi12:36:072:35:316:296:12
6:12
#1837
40K
24.85 mi12:41:322:40:566:285:25
6:20
#1779
25.2M
25.20 mi12:43:512:43:156:292:19
6:43
#1750
Finish
26.22 mi12:50:102:49:346:286:19
6:12
#1707
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi2246214421442602(Top 10%)2491(Top 16%)2491(Top 175%)
10K6.21 mi3.10 mi2298-522196-522196-522397(Top 9%)2295(Top 15%)2295(Top 161%)
15K9.32 mi3.11 mi2405-1072303-1072303-1072602(Top 10%)2491(Top 16%)2491(Top 175%)
20K12.43 mi3.11 mi2431-262329-262329-262631(Top 10%)2515(Top 17%)2515(Top 177%)
Half13.11 mi0.68 mi2435-42334-52334-52432(Top 9%)2331(Top 15%)2331(Top 164%)
25K15.53 mi2.42 mi2346+892250+842250+841905(Top 7%)1825(Top 12%)1825(Top 128%)
30K18.64 mi3.11 mi2213+1332123+1272123+1271728(Top 6%)1653(Top 11%)1653(Top 116%)
20M20.00 mi1.36 mi2115+982026+972026+971408(Top 5%)1343(Top 9%)1343(Top 94%)
21M21.00 mi1.00 mi2060+551973+531973+531458(Top 5%)1390(Top 9%)1390(Top 98%)
35K21.75 mi0.75 mi2017+431933+401933+401237(Top 5%)1180(Top 8%)1180(Top 83%)
23M23.00 mi1.25 mi1897+1201817+1161817+116970(Top 4%)923(Top 6%)923(Top 65%)
24M24.00 mi1.00 mi1837+601757+601757+601041(Top 4%)987(Top 7%)987(Top 69%)
40K24.85 mi0.85 mi1779+581701+561701+561011(Top 4%)958(Top 6%)958(Top 67%)
25.2M25.20 mi0.35 mi1750+291672+291672+29960(Top 4%)916(Top 6%)916(Top 64%)
Finish26.22 mi1.02 mi1707+431631+411631+411272(Top 5%)1205(Top 8%)1205(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2602

Males

2491

M55-59

2491

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2397

Males

2295

M55-59

2295

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2602

Males

2491

M55-59

2491

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2631

Males

2515

M55-59

2515

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2432

Males

2331

M55-59

2331

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1905

Males

1825

M55-59

1825

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1728

Males

1653

M55-59

1653

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1408

Males

1343

M55-59

1343

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1458

Males

1390

M55-59

1390

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1237

Males

1180

M55-59

1180

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

970

Males

923

M55-59

923

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1041

Males

987

M55-59

987

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1011

Males

958

M55-59

958

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

960

Males

916

M55-59

916

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1272

Males

1205

M55-59

1205

Passing Analysis

Category:
Athletes Passed
983
Passed By
444
Net Change
+539
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2246
5K → 10K92144-52#2246#2298
10K → 15K42149-107#2298#2405
15K → 20K4773-26#2405#2431
20K → Half1216-4#2431#2435
Half → 25K978+89#2435#2346
25K → 30K15118+133#2346#2213
30K → 20M1013+98#2213#2115
20M → 21M605+55#2115#2060
21M → 35K485+43#2060#2017
35K → 23M1200+120#2017#1897
23M → 24M622+60#1897#1837
24M → 40K613+58#1837#1779
40K → 25.2M323+29#1779#1750
25.2M → Finish5815+43#1750#1707
TOTALS983444+539
📊

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