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BOSTON MARATHON 2023

Jeffrey Carboni

MA

Bib: 25589 M

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:51/mi
27:31
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:35/mi
54:10
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:53/mi
1:21:47
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:02/mi
1:49:51
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:59/mi
1:55:59
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:32/mi
2:19:05
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:08/mi
2:50:34
↑ 181↓ 1480.2%
138 ft elev
20M
10:44/mi
3:05:09
↑ 64↓ 500.2%
148 ft elev
21M
12:16/mi
3:17:25
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:04/mi
3:24:57
↑ 17↓ 861.7%
156 ft elev
23M
10:34/mi
3:38:11
↑ 23↓ 630.6%
116 ft elev
24M
10:12/mi
3:48:23
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:05/mi
3:57:52
↓ 200.3%
20 ft elev
25.2M
11:53/mi
4:01:58
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:20/mi
4:12:30
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:55:598:51 /mi⚡ faster
2nd Half
2:16:3110:25 /mi+17.7%
Positive split — 17.7% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
27:318:513.11 mi27:31
8:51
-
10K
54:108:433.10 mi26:39
8:35
-0:16
15K
1:21:478:463.11 mi27:37
8:53
+0:18
20K
1:49:518:503.11 mi28:04
9:02
+0:09
Half(13.11 mi)
1:55:598:510.68 mi6:08
8:59
-0:03
25K
2:19:058:572.42 mi23:06
9:32
+0:33
30K
2:50:349:093.11 mi31:29
10:08
+0:36
20M
3:05:099:151.36 mi14:35
10:44
+0:36
21M
3:17:259:241.00 mi12:16
12:16
+1:32
35K
3:24:579:250.75 mi7:32
10:04
-2:12
23M
3:38:119:291.25 mi13:14
10:34
+0:30
24M
3:48:239:311.00 mi10:12
10:12
-0:22
40K
3:57:529:340.85 mi9:29
11:05
+0:53
25.2M
4:01:589:360.35 mi4:06
11:53
+0:48
Finish(26.22 mi)
4:12:309:381.02 mi10:32
10:20
-1:33
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:35 /mi

Average Pace

9:38 /mi

Slowest Pace

12:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:19:05

55% of race

Time at Steady Pace

1:12:59

29% of race

Time at Slower Pace

40:26

16% of race

Average Pace: 9:38 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi197711207412074199821228812288
10K3.10 mi19211+56011906+16811906+168187141179011790
15K3.11 mi19465-25412015-10912015-109199821228812288
20K3.11 mi19533-6812066-5112066-51198631224512245
Half(13.11 mi)0.68 mi19579-4612084-1812084-18203851247112471
25K2.42 mi19905-32612227-14312227-143209111267012670
30K3.11 mi20278-37312372-14512372-145213681279112791
20M1.36 mi20464-18612446-7412446-74222171309013090
21M1.00 mi20687-22312538-9212538-92231381349813498
35K0.75 mi20711-241253812538214601268712687
23M1.25 mi20763-5212542-412542-4214651267312673
24M1.00 mi20773-1012538+412538+4213201256012560
40K0.85 mi20847-7412560-2212560-22225251309313093
25.2M0.35 mi20881-3412567-712567-7222741297412974
Finish(26.22 mi)1.02 mi20952-7112589-2212589-22226341314613146

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

19982

Males

12288

M18-39

12288

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

18714

Males

11790

M18-39

11790

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

19982

Males

12288

M18-39

12288

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

19863

Males

12245

M18-39

12245

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

20385

Males

12471

M18-39

12471

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

20911

Males

12670

M18-39

12670

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

21368

Males

12791

M18-39

12791

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

22217

Males

13090

M18-39

13090

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

23138

Males

13498

M18-39

13498

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

21460

Males

12687

M18-39

12687

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

21465

Males

12673

M18-39

12673

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

21320

Males

12560

M18-39

12560

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22525

Males

13093

M18-39

13093

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22274

Males

12974

M18-39

12974

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

22634

Males

13146

M18-39

13146

Passing Analysis

Category:
▼Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#19771
5K → 10K
148708+560
#19771 → #19211
10K → 15K
34591-254
#19211 → #19465
15K → 20K
207139-68
#19465 → #19533
20K → Half
5711-46
#19533 → #19579
Half → 25K
36842-326
#19579 → #19905
25K → 30K
43663-373
#19905 → #20278
30K → 20M
22135-186
#20278 → #20464
20M → 21M
25027-223
#20464 → #20687
21M → 35K
5834-24
#20687 → #20711
35K → 23M
10553-52
#20711 → #20763
23M → 24M
4838-10
#20763 → #20773
24M → 40K
8915-74
#20773 → #20847
40K → 25.2M
395-34
#20847 → #20881
25.2M → Finish
9928-71
#20881 → #20952
TOTALS
24701289-1181
#19771 → #20952

Passing Visualized

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