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BOSTON MARATHON 2023

Jeremy Cohen

Bib: 25573•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
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
27:04
Rank: #18948
Start → 5K
27:04 | 8:43/mi
10K· 6.21 mi
53:08
Rank: #18199 (+749)
5K → 10K
26:04 | 8:23/mi
15K· 9.32 mi
1:19:34
Rank: #18080 (+119)
10K → 15K
26:26 | 8:30/mi
20K· 12.43 mi
1:45:49
Rank: #17655 (+425)
15K → 20K
26:15 | 8:27/mi
Half· 13.11 mi
1:51:32
Rank: #17610 (+45)
20K → Half
5:43 | 8:23/mi
25K· 15.53 mi
2:12:33
Rank: #17529 (+81)
Half → 25K
21:01 | 8:40/mi
30K· 18.64 mi
2:39:32
Rank: #17106 (+423)
25K → 30K
26:59 | 8:41/mi
20M
2:51:02
Rank: #16845 (+261)
30K → 20M
11:30 | 8:28/mi
21M
2:59:40
Rank: #16520 (+325)
20M → 21M
8:38 | 8:38/mi
35K· 21.75 mi
3:05:42
Rank: #16377 (+143)
21M → 35K
6:02 | 8:04/mi
23M
3:16:03
Rank: #16107 (+270)
35K → 23M
10:21 | 8:16/mi
24M
3:24:09
Rank: #15914 (+193)
23M → 24M
8:06 | 8:06/mi
40K· 24.85 mi
3:31:13
Rank: #15760 (+154)
24M → 40K
7:04 | 8:16/mi
25.2M
3:34:09
Rank: #15663 (+97)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:41:49
Rank: #15398 (+265)
25.2M → Finish
7:40 | 7:31/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:51:32
Pace8:30 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:50:17
Pace8:25 /mi
📊Negative Split: 1.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2527:048:4327:04
8:43
-
10K
6.21 mi12:17:2953:088:3326:04
8:23
-0:20
15K
9.32 mi12:43:551:19:348:3226:26
8:30
+0:07
20K
12.43 mi13:10:101:45:498:3126:15
8:27
-0:03
Half
13.11 mi13:15:531:51:328:305:43
8:23
-0:04
25K
15.53 mi13:36:542:12:338:3221:01
8:40
+0:17
30K
18.64 mi14:03:532:39:328:3326:59
8:41
+0:01
20M
20.00 mi14:15:232:51:028:3311:30
8:28
-0:13
21M
21.00 mi14:24:012:59:408:338:38
8:38
+0:10
35K
21.75 mi14:30:033:05:428:326:02
8:04
-0:34
23M
23.00 mi14:40:243:16:038:3110:21
8:16
+0:12
24M
24.00 mi14:48:303:24:098:308:06
8:06
-0:10
40K
24.85 mi14:55:343:31:138:307:04
8:16
+0:10
25.2M
25.20 mi14:58:303:34:098:302:56
8:30
+0:14
Finish
26.22 mi15:06:103:41:498:287:40
7:31
-0:59

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

7:31 /mi

Average Pace

8:28 /mi

Slowest Pace

8:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

39:13

18% of race

Time at Steady Pace

3:02:36

82% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:28 /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 mi11:51:2527:048:4327:04
8:43
#18948
10K
6.21 mi12:17:2953:088:3326:04
8:23
#18199
15K
9.32 mi12:43:551:19:348:3226:26
8:30
#18080
20K
12.43 mi13:10:101:45:498:3126:15
8:27
#17655
Half
13.11 mi13:15:531:51:328:305:43
8:23
#17610
25K
15.53 mi13:36:542:12:338:3221:01
8:40
#17529
30K
18.64 mi14:03:532:39:328:3326:59
8:41
#17106
20M
20.00 mi14:15:232:51:028:3311:30
8:28
#16845
21M
21.00 mi14:24:012:59:408:338:38
8:38
#16520
35K
21.75 mi14:30:033:05:428:326:02
8:04
#16377
23M
23.00 mi14:40:243:16:038:3110:21
8:16
#16107
24M
24.00 mi14:48:303:24:098:308:06
8:06
#15914
40K
24.85 mi14:55:343:31:138:307:04
8:16
#15760
25.2M
25.20 mi14:58:303:34:098:302:56
8:30
#15663
Finish
26.22 mi15:06:103:41:498:287:40
7:31
#15398
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi18948117551175517849(Top 67%)11414(Top 75%)11414(Top 216%)
10K6.21 mi3.10 mi18199+74911534+22111534+22117507(Top 66%)11299(Top 74%)11299(Top 214%)
15K9.32 mi3.11 mi18080+11911486+4811486+4817849(Top 67%)11414(Top 75%)11414(Top 216%)
20K12.43 mi3.11 mi17655+42511322+16411322+16416521(Top 62%)10840(Top 71%)10840(Top 205%)
Half13.11 mi0.68 mi17610+4511301+2111301+2116949(Top 64%)11047(Top 73%)11047(Top 209%)
25K15.53 mi2.42 mi17529+8111254+4711254+4717188(Top 65%)11052(Top 73%)11052(Top 209%)
30K18.64 mi3.11 mi17106+42311057+19711057+19715425(Top 58%)10224(Top 67%)10224(Top 193%)
20M20.00 mi1.36 mi16845+26110939+11810939+11813409(Top 50%)9321(Top 61%)9321(Top 176%)
21M21.00 mi1.00 mi16520+32510779+16010779+16011253(Top 42%)8243(Top 54%)8243(Top 156%)
35K21.75 mi0.75 mi16377+14310711+6810711+6812567(Top 47%)8818(Top 58%)8818(Top 167%)
23M23.00 mi1.25 mi16107+27010571+14010571+14011635(Top 44%)8309(Top 55%)8309(Top 157%)
24M24.00 mi1.00 mi15914+19310469+10210469+10211938(Top 45%)8379(Top 55%)8379(Top 159%)
40K24.85 mi0.85 mi15760+15410400+6910400+6911789(Top 44%)8230(Top 54%)8230(Top 156%)
25.2M25.20 mi0.35 mi15663+9710361+3910361+399566(Top 36%)7092(Top 47%)7092(Top 134%)
Finish26.22 mi1.02 mi15398+26510232+12910232+1298732(Top 33%)6610(Top 44%)6610(Top 125%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

17849

Males

11414

M18-39

11414

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

17507

Males

11299

M18-39

11299

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

17849

Males

11414

M18-39

11414

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

16521

Males

10840

M18-39

10840

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

16949

Males

11047

M18-39

11047

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

17188

Males

11052

M18-39

11052

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

15425

Males

10224

M18-39

10224

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

13409

Males

9321

M18-39

9321

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

11253

Males

8243

M18-39

8243

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

12567

Males

8818

M18-39

8818

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11635

Males

8309

M18-39

8309

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

11938

Males

8379

M18-39

8379

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11789

Males

8230

M18-39

8230

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9566

Males

7092

M18-39

7092

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

8732

Males

6610

M18-39

6610

Passing Analysis

Category:
Athletes Passed
3974
Passed By
424
Net Change
+3550
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18948
5K → 10K873124+749#18948#18199
10K → 15K252133+119#18199#18080
15K → 20K46035+425#18080#17655
20K → Half549+45#17655#17610
Half → 25K15675+81#17610#17529
25K → 30K44219+423#17529#17106
30K → 20M2654+261#17106#16845
20M → 21M3261+325#16845#16520
21M → 35K1485+143#16520#16377
35K → 23M2733+270#16377#16107
23M → 24M1996+193#16107#15914
24M → 40K1617+154#15914#15760
40K → 25.2M970+97#15760#15663
25.2M → Finish2683+265#15663#15398
TOTALS3974424+3550
📊

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