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BOSTON MARATHON 2023

Joao Costa

Bib: 6547•M

OR

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 25%
Division (M18-39)
#0 / 5285
Top 50%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:57
Rank: #4064
Start → 5K
20:57 | 6:45/mi
10K· 6.21 mi
42:02
Rank: #4638 (-574)
5K → 10K
21:05 | 6:47/mi
15K· 9.32 mi
1:03:09
Rank: #4748 (-110)
10K → 15K
21:07 | 6:48/mi
20K· 12.43 mi
1:24:01
Rank: #4456 (+292)
15K → 20K
20:52 | 6:43/mi
Half· 13.11 mi
1:28:37
Rank: #4464 (-8)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:45:01
Rank: #4326 (+138)
Half → 25K
16:24 | 6:46/mi
30K· 18.64 mi
2:06:34
Rank: #4214 (+112)
25K → 30K
21:33 | 6:56/mi
20M
2:16:04
Rank: #4185 (+29)
30K → 20M
9:30 | 6:59/mi
21M
2:23:25
Rank: #4135 (+50)
20M → 21M
7:21 | 7:21/mi
35K· 21.75 mi
2:28:32
Rank: #4145 (-10)
21M → 35K
5:07 | 6:50/mi
23M
2:37:20
Rank: #4119 (+26)
35K → 23M
8:48 | 7:02/mi
24M
2:44:12
Rank: #4097 (+22)
23M → 24M
6:52 | 6:52/mi
40K· 24.85 mi
2:50:06
Rank: #4059 (+38)
24M → 40K
5:54 | 6:54/mi
25.2M
2:52:37
Rank: #4029 (+30)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:59:31
Rank: #4045 (-16)
25.2M → Finish
6:54 | 6:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:37
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:30:54
Pace6:56 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4620:576:4520:57
6:45
-
10K
6.21 mi10:45:5142:026:4621:05
6:47
+0:02
15K
9.32 mi11:06:581:03:096:4721:07
6:48
+0:01
20K
12.43 mi11:27:501:24:016:4620:52
6:43
-0:05
Half
13.11 mi11:32:261:28:376:464:36
6:45
+0:02
25K
15.53 mi11:48:501:45:016:4616:24
6:46
+0:01
30K
18.64 mi12:10:232:06:346:4721:33
6:56
+0:10
20M
20.00 mi12:19:532:16:046:489:30
6:59
+0:03
21M
21.00 mi12:27:142:23:256:507:21
7:21
+0:22
35K
21.75 mi12:32:212:28:326:505:07
6:50
-0:31
23M
23.00 mi12:41:092:37:206:508:48
7:02
+0:12
24M
24.00 mi12:48:012:44:126:516:52
6:52
-0:10
40K
24.85 mi12:53:552:50:066:515:54
6:54
+0:02
25.2M
25.20 mi12:56:262:52:376:512:31
7:18
+0:24
Finish
26.22 mi13:03:202:59:316:516:54
6:46
-0:32

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

6:43 /mi

Average Pace

6:51 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:39

95% of race

Time at Steady Pace

9:52

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:51 /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 mi10:24:4620:576:4520:57
6:45
#4064
10K
6.21 mi10:45:5142:026:4621:05
6:47
#4638
15K
9.32 mi11:06:581:03:096:4721:07
6:48
#4748
20K
12.43 mi11:27:501:24:016:4620:52
6:43
#4456
Half
13.11 mi11:32:261:28:376:464:36
6:45
#4464
25K
15.53 mi11:48:501:45:016:4616:24
6:46
#4326
30K
18.64 mi12:10:232:06:346:4721:33
6:56
#4214
20M
20.00 mi12:19:532:16:046:489:30
6:59
#4185
21M
21.00 mi12:27:142:23:256:507:21
7:21
#4135
35K
21.75 mi12:32:212:28:326:505:07
6:50
#4145
23M
23.00 mi12:41:092:37:206:508:48
7:02
#4119
24M
24.00 mi12:48:012:44:126:516:52
6:52
#4097
40K
24.85 mi12:53:552:50:066:515:54
6:54
#4059
25.2M
25.20 mi12:56:262:52:376:512:31
7:18
#4029
Finish
26.22 mi13:03:202:59:316:516:54
6:46
#4045
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4064381138115067(Top 19%)4694(Top 31%)4694(Top 89%)
10K6.21 mi3.10 mi4638-5744326-5154326-5155134(Top 19%)4748(Top 31%)4748(Top 90%)
15K9.32 mi3.11 mi4748-1104420-944420-945067(Top 19%)4694(Top 31%)4694(Top 89%)
20K12.43 mi3.11 mi4456+2924167+2534167+2533704(Top 14%)3503(Top 23%)3503(Top 66%)
Half13.11 mi0.68 mi4464-84177-104177-104695(Top 18%)4357(Top 29%)4357(Top 82%)
25K15.53 mi2.42 mi4326+1384054+1234054+1233848(Top 14%)3620(Top 24%)3620(Top 68%)
30K18.64 mi3.11 mi4214+1123956+983956+983909(Top 15%)3658(Top 24%)3658(Top 69%)
20M20.00 mi1.36 mi4185+293926+303926+303970(Top 15%)3686(Top 24%)3686(Top 70%)
21M21.00 mi1.00 mi4135+503876+503876+503873(Top 15%)3581(Top 24%)3581(Top 68%)
35K21.75 mi0.75 mi4145-103880-43880-44416(Top 17%)4034(Top 27%)4034(Top 76%)
23M23.00 mi1.25 mi4119+263857+233857+233922(Top 15%)3611(Top 24%)3611(Top 68%)
24M24.00 mi1.00 mi4097+223836+213836+214004(Top 15%)3652(Top 24%)3652(Top 69%)
40K24.85 mi0.85 mi4059+383799+373799+373336(Top 13%)3052(Top 20%)3052(Top 58%)
25.2M25.20 mi0.35 mi4029+303770+293770+292967(Top 11%)2722(Top 18%)2722(Top 52%)
Finish26.22 mi1.02 mi4045-163785-153785-153898(Top 15%)3454(Top 23%)3454(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5067

Males

4694

M18-39

4694

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5134

Males

4748

M18-39

4748

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5067

Males

4694

M18-39

4694

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3704

Males

3503

M18-39

3503

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4695

Males

4357

M18-39

4357

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3848

Males

3620

M18-39

3620

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

3909

Males

3658

M18-39

3658

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

3970

Males

3686

M18-39

3686

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

3873

Males

3581

M18-39

3581

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4416

Males

4034

M18-39

4034

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

3922

Males

3611

M18-39

3611

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4004

Males

3652

M18-39

3652

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3336

Males

3052

M18-39

3052

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2967

Males

2722

M18-39

2722

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

3898

Males

3454

M18-39

3454

Passing Analysis

Category:
Athletes Passed
1269
Passed By
1250
Net Change
+19
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4064
5K → 10K55629-574#4064#4638
10K → 15K79189-110#4638#4748
15K → 20K30210+292#4748#4456
20K → Half2432-8#4456#4464
Half → 25K16123+138#4464#4326
25K → 30K16957+112#4326#4214
30K → 20M7849+29#4214#4185
20M → 21M9141+50#4185#4135
21M → 35K2737-10#4135#4145
35K → 23M7145+26#4145#4119
23M → 24M6341+22#4119#4097
24M → 40K6830+38#4097#4059
40K → 25.2M4111+30#4059#4029
25.2M → Finish4056-16#4029#4045
TOTALS12691250+19
📊

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