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BOSTON MARATHON 2023

John Cosentino

Bib: 21927•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 33%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:25/mi
26:09
↑ 97↓ 3451.5%
10K· 6.21 mi
8:13/mi
51:42
↑ 79↓ 1380.4%
15K· 9.32 mi
8:31/mi
1:18:10
↑ 67↓ 78
20K· 12.43 mi
8:22/mi
1:44:11
↑ 106↓ 860.1%
Half· 13.11 mi
8:05/mi
1:49:42
↑ 19↓ 370.5%
25K· 15.53 mi
8:23/mi
2:10:01
↑ 66↓ 880.2%
30K· 18.64 mi
8:43/mi
2:37:07
↑ 181↓ 1480.2%
20M
8:54/mi
2:49:12
↑ 64↓ 500.2%
21M
9:15/mi
2:58:27
↑ 106↓ 241.6%
35K· 21.75 mi
8:23/mi
3:04:43
↑ 17↓ 861.7%
23M
8:43/mi
3:15:38
↑ 23↓ 630.6%
24M
8:00/mi
3:23:38
↓ 821.3%
40K· 24.85 mi
8:09/mi
3:30:36
↓ 200.3%
25.2M
8:42/mi
3:33:36
↑ 13↓ 160.2%
Finish· 26.22 mi
7:51/mi
3:41:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:42
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time1:51:54
Pace8:32 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0426:098:2526:09
8:25
-
10K
6.21 mi11:44:3751:428:1925:33
8:13
-0:12
15K
9.32 mi12:11:051:18:108:2326:28
8:31
+0:18
20K
12.43 mi12:37:061:44:118:2326:01
8:22
-0:09
Half
13.11 mi12:42:371:49:428:225:31
8:05
-0:17
25K
15.53 mi13:02:562:10:018:2220:19
8:23
+0:18
30K
18.64 mi13:30:022:37:078:2627:06
8:43
+0:20
20M
20.00 mi13:42:072:49:128:2812:05
8:54
+0:11
21M
21.00 mi13:51:222:58:278:309:15
9:15
+0:21
35K
21.75 mi13:57:383:04:438:306:16
8:23
-0:52
23M
23.00 mi14:08:333:15:388:3010:55
8:43
+0:20
24M
24.00 mi14:16:333:23:388:298:00
8:00
-0:43
40K
24.85 mi14:23:313:30:368:286:58
8:09
+0:09
25.2M
25.20 mi14:26:313:33:368:293:00
8:42
+0:33
Finish
26.22 mi14:34:313:41:368:278:00
7:51
-0:51

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

7:51 /mi

Average Pace

8:27 /mi

Slowest Pace

9:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:15

72% of race

Time at Steady Pace

1:02:21

28% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:27 /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 mi11:19:0426:098:2526:09
8:25
#16989
10K
6.21 mi11:44:3751:428:1925:33
8:13
#16652
15K
9.32 mi12:11:051:18:108:2326:28
8:31
#17107
20K
12.43 mi12:37:061:44:118:2326:01
8:22
#16813
Half
13.11 mi12:42:371:49:428:225:31
8:05
#16747
25K
15.53 mi13:02:562:10:018:2220:19
8:23
#16534
30K
18.64 mi13:30:022:37:078:2627:06
8:43
#16345
20M
20.00 mi13:42:072:49:128:2812:05
8:54
#16282
21M
21.00 mi13:51:222:58:278:309:15
9:15
#16170
35K
21.75 mi13:57:383:04:438:306:16
8:23
#16089
23M
23.00 mi14:08:333:15:388:3010:55
8:43
#15991
24M
24.00 mi14:16:333:23:388:298:00
8:00
#15773
40K
24.85 mi14:23:313:30:368:286:58
8:09
#15606
25.2M
25.20 mi14:26:313:33:368:293:00
8:42
#15530
Finish
26.22 mi14:34:313:41:368:278:00
7:51
#15334
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16989110441104417922(Top 67%)11449(Top 75%)11449(Top 1031%)
10K6.21 mi3.10 mi16652+33710957+8710957+8716415(Top 62%)10872(Top 72%)10872(Top 979%)
15K9.32 mi3.11 mi17107-45511116-15911116-15917922(Top 67%)11449(Top 75%)11449(Top 1031%)
20K12.43 mi3.11 mi16813+29410980+13610980+13616074(Top 60%)10660(Top 70%)10660(Top 960%)
Half13.11 mi0.68 mi16747+6610953+2710953+2715002(Top 56%)10302(Top 68%)10302(Top 928%)
25K15.53 mi2.42 mi16534+21310857+9610857+9615435(Top 58%)10314(Top 68%)10314(Top 929%)
30K18.64 mi3.11 mi16345+18910730+12710730+12715622(Top 59%)10316(Top 68%)10316(Top 929%)
20M20.00 mi1.36 mi16282+6310690+4010690+4015950(Top 60%)10386(Top 68%)10386(Top 936%)
21M21.00 mi1.00 mi16170+11210630+6010630+6014706(Top 55%)9812(Top 65%)9812(Top 884%)
35K21.75 mi0.75 mi16089+8110579+5110579+5114551(Top 55%)9669(Top 64%)9669(Top 871%)
23M23.00 mi1.25 mi15991+9810520+5910520+5914482(Top 54%)9570(Top 63%)9570(Top 862%)
24M24.00 mi1.00 mi15773+21810405+11510405+11511236(Top 42%)8020(Top 53%)8020(Top 723%)
40K24.85 mi0.85 mi15606+16710334+7110334+7111022(Top 41%)7861(Top 52%)7861(Top 708%)
25.2M25.20 mi0.35 mi15530+7610298+3610298+3610749(Top 40%)7706(Top 51%)7706(Top 694%)
Finish26.22 mi1.02 mi15334+19610208+9010208+9011042(Top 41%)7818(Top 52%)7818(Top 704%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17922

Males

11449

M60-64

11449

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16415

Males

10872

M60-64

10872

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17922

Males

11449

M60-64

11449

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

16074

Males

10660

M60-64

10660

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

15002

Males

10302

M60-64

10302

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

15435

Males

10314

M60-64

10314

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

15622

Males

10316

M60-64

10316

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

15950

Males

10386

M60-64

10386

20M→21M

20.0 - 21.0 mi

Top 55%
×8story building
+106ft-24ft

Overall

14706

Males

9812

M60-64

9812

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

14551

Males

9669

M60-64

9669

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

14482

Males

9570

M60-64

9570

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11236

Males

8020

M60-64

8020

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11022

Males

7861

M60-64

7861

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10749

Males

7706

M60-64

7706

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

11042

Males

7818

M60-64

7818

Passing Analysis

Category:
Athletes Passed
2672
Passed By
1017
Net Change
+1655
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16989
5K → 10K506169+337#16989#16652
10K → 15K63518-455#16652#17107
15K → 20K35359+294#17107#16813
20K → Half715+66#16813#16747
Half → 25K25037+213#16747#16534
25K → 30K27384+189#16534#16345
30K → 20M11047+63#16345#16282
20M → 21M14634+112#16282#16170
21M → 35K9514+81#16170#16089
35K → 23M13537+98#16089#15991
23M → 24M2213+218#15991#15773
24M → 40K1703+167#15773#15606
40K → 25.2M760+76#15606#15530
25.2M → Finish2037+196#15530#15334
TOTALS26721017+1655
📊

Passing Visuals

Category:
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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