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BOSTON MARATHON 2023

Joao De Carvalho Junior

Bib: 9751•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 17%
Gender (Male)
#0 / 15176
Top 28%
Masters (Masters Men)
#0 / 9891
Top 14%
Division (M40-44)
#0 / 2241
Top 33%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:59
Rank: #4185
Start → 5K
20:59 | 6:45/mi
10K· 6.21 mi
41:55
Rank: #4440 (-255)
5K → 10K
20:56 | 6:44/mi
15K· 9.32 mi
1:02:49
Rank: #4405 (+35)
10K → 15K
20:54 | 6:44/mi
20K· 12.43 mi
1:23:34
Rank: #4116 (+289)
15K → 20K
20:45 | 6:41/mi
Half· 13.11 mi
1:28:08
Rank: #4111 (+5)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:44:35
Rank: #4072 (+39)
Half → 25K
16:27 | 6:47/mi
30K· 18.64 mi
2:06:07
Rank: #3996 (+76)
25K → 30K
21:32 | 6:56/mi
20M
2:15:40
Rank: #4002 (-6)
30K → 20M
9:33 | 7:02/mi
21M
2:23:10
Rank: #4026 (-24)
20M → 21M
7:30 | 7:30/mi
35K· 21.75 mi
2:28:16
Rank: #4032 (-6)
21M → 35K
5:06 | 6:49/mi
23M
2:37:13
Rank: #4075 (-43)
35K → 23M
8:57 | 7:09/mi
24M
2:44:18
Rank: #4139 (-64)
23M → 24M
7:05 | 7:05/mi
40K· 24.85 mi
2:50:37
Rank: #4236 (-97)
24M → 40K
6:19 | 7:23/mi
25.2M
2:53:27
Rank: #4286 (-50)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:01:20
Rank: #4488 (-202)
25.2M → Finish
7:53 | 7:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:08
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:33:12
Pace7:07 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:3620:596:4520:59
6:45
-
10K
6.21 mi11:07:3241:556:4520:56
6:44
-0:01
15K
9.32 mi11:28:261:02:496:4420:54
6:44
0:00
20K
12.43 mi11:49:111:23:346:4320:45
6:41
-0:03
Half
13.11 mi11:53:451:28:086:434:34
6:42
+0:01
25K
15.53 mi12:10:121:44:356:4416:27
6:47
+0:05
30K
18.64 mi12:31:442:06:076:4621:32
6:56
+0:09
20M
20.00 mi12:41:172:15:406:479:33
7:02
+0:06
21M
21.00 mi12:48:472:23:106:497:30
7:30
+0:28
35K
21.75 mi12:53:532:28:166:495:06
6:49
-0:41
23M
23.00 mi13:02:502:37:136:508:57
7:09
+0:20
24M
24.00 mi13:09:552:44:186:517:05
7:05
-0:04
40K
24.85 mi13:16:142:50:376:526:19
7:23
+0:18
25.2M
25.20 mi13:19:042:53:276:532:50
8:13
+0:50
Finish
26.22 mi13:26:573:01:206:557:53
7:44
-0:29

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

6:41 /mi

Average Pace

6:55 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:19

14% of race

Time at Steady Pace

2:11:29

73% of race

Time at Slower Pace

24:32

14% of race

Average Pace: 6:55 /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 mi10:46:3620:596:4520:59
6:45
#4185
10K
6.21 mi11:07:3241:556:4520:56
6:44
#4440
15K
9.32 mi11:28:261:02:496:4420:54
6:44
#4405
20K
12.43 mi11:49:111:23:346:4320:45
6:41
#4116
Half
13.11 mi11:53:451:28:086:434:34
6:42
#4111
25K
15.53 mi12:10:121:44:356:4416:27
6:47
#4072
30K
18.64 mi12:31:442:06:076:4621:32
6:56
#3996
20M
20.00 mi12:41:172:15:406:479:33
7:02
#4002
21M
21.00 mi12:48:472:23:106:497:30
7:30
#4026
35K
21.75 mi12:53:532:28:166:495:06
6:49
#4032
23M
23.00 mi13:02:502:37:136:508:57
7:09
#4075
24M
24.00 mi13:09:552:44:186:517:05
7:05
#4139
40K
24.85 mi13:16:142:50:376:526:19
7:23
#4236
25.2M
25.20 mi13:19:042:53:276:532:50
8:13
#4286
Finish
26.22 mi13:26:573:01:206:557:53
7:44
#4488
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4185392139214390(Top 16%)4109(Top 27%)4109(Top 183%)
10K6.21 mi3.10 mi4440-2554154-2334154-2334705(Top 18%)4378(Top 29%)4378(Top 195%)
15K9.32 mi3.11 mi4405+354122+324122+324390(Top 16%)4109(Top 27%)4109(Top 183%)
20K12.43 mi3.11 mi4116+2893863+2593863+2593416(Top 13%)3239(Top 21%)3239(Top 145%)
Half13.11 mi0.68 mi4111+53856+73856+74294(Top 16%)4018(Top 26%)4018(Top 179%)
25K15.53 mi2.42 mi4072+393825+313825+314021(Top 15%)3772(Top 25%)3772(Top 168%)
30K18.64 mi3.11 mi3996+763762+633762+633882(Top 15%)3637(Top 24%)3637(Top 162%)
20M20.00 mi1.36 mi4002-63763-13763-14205(Top 16%)3884(Top 26%)3884(Top 173%)
21M21.00 mi1.00 mi4026-243780-173780-174564(Top 17%)4151(Top 27%)4151(Top 185%)
35K21.75 mi0.75 mi4032-63783-33783-34298(Top 16%)3933(Top 26%)3933(Top 176%)
23M23.00 mi1.25 mi4075-433817-343817-344540(Top 17%)4112(Top 27%)4112(Top 183%)
24M24.00 mi1.00 mi4139-643876-593876-595076(Top 19%)4476(Top 29%)4476(Top 200%)
40K24.85 mi0.85 mi4236-973962-863962-865954(Top 22%)4978(Top 33%)4978(Top 222%)
25.2M25.20 mi0.35 mi4286-504002-404002-407677(Top 29%)5953(Top 39%)5953(Top 266%)
Finish26.22 mi1.02 mi4488-2024175-1734175-17310163(Top 38%)7363(Top 49%)7363(Top 329%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4390

Males

4109

M40-44

4109

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4705

Males

4378

M40-44

4378

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4390

Males

4109

M40-44

4109

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3416

Males

3239

M40-44

3239

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4294

Males

4018

M40-44

4018

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4021

Males

3772

M40-44

3772

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

3882

Males

3637

M40-44

3637

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4205

Males

3884

M40-44

3884

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4564

Males

4151

M40-44

4151

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4298

Males

3933

M40-44

3933

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4540

Males

4112

M40-44

4112

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5076

Males

4476

M40-44

4476

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5954

Males

4978

M40-44

4978

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7677

Males

5953

M40-44

5953

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10163

Males

7363

M40-44

7363

Passing Analysis

Category:
Athletes Passed
1108
Passed By
1411
Net Change
-303
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4185
5K → 10K122377-255#4185#4440
10K → 15K142107+35#4440#4405
15K → 20K2945+289#4405#4116
20K → Half2520+5#4116#4111
Half → 25K9354+39#4111#4072
25K → 30K15175+76#4072#3996
30K → 20M5157-6#3996#4002
20M → 21M6286-24#4002#4026
21M → 35K3238-6#4026#4032
35K → 23M4588-43#4032#4075
23M → 24M39103-64#4075#4139
24M → 40K33130-97#4139#4236
40K → 25.2M959-50#4236#4286
25.2M → Finish10212-202#4286#4488
TOTALS11081411-303
📊

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