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BOSTON MARATHON 2023

Eric Pereira

Bib: 27027•M

MA

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
32:08
Rank: #24324
Start → 5K
10:21/mi
32:08 split
10K· 6.21 mi
1:04:52
Rank: #24576 (-252)
5K → 10K
10:32/mi
32:44 split
15K· 9.32 mi
1:36:00
Rank: #24219 (+357)
10K → 15K
10:01/mi
31:08 split
20K· 12.43 mi
2:07:05
Rank: #23858 (+361)
15K → 20K
10:00/mi
31:05 split
Half· 13.11 mi
2:13:41
Rank: #23805 (+53)
20K → Half
9:40/mi
6:36 split
25K· 15.53 mi
2:38:06
Rank: #23562 (+243)
Half → 25K
10:04/mi
24:25 split
30K· 18.64 mi
3:08:53
Rank: #23110 (+452)
25K → 30K
9:54/mi
30:47 split
20M
3:22:55
Rank: #22973 (+137)
30K → 20M
10:20/mi
14:02 split
21M
3:33:26
Rank: #22792 (+181)
20M → 21M
10:31/mi
10:31 split
35K· 21.75 mi
3:40:01
Rank: #22658 (+134)
21M → 35K
8:48/mi
6:35 split
23M
3:51:49
Rank: #22437 (+221)
35K → 23M
9:25/mi
11:48 split
24M
4:01:03
Rank: #22296 (+141)
23M → 24M
9:14/mi
9:14 split
40K· 24.85 mi
4:09:28
Rank: #22201 (+95)
24M → 40K
9:51/mi
8:25 split
25.2M
4:12:55
Rank: #22135 (+66)
40K → 25.2M
10:00/mi
3:27 split
Finish· 26.22 mi
4:21:41
Rank: #21985 (+150)
25.2M → Finish
8:36/mi
8:46 split

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:13:41
Pace10:12 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:08:00
Pace9:46 /mi
📊Negative Split: 4.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:3032:0810:2132:08
10:21
-
10K
6.21 mi12:26:141:04:5210:2632:44
10:32
+0:11
15K
9.32 mi12:57:221:36:0010:1831:08
10:01
-0:31
20K
12.43 mi13:28:272:07:0510:1431:05
10:00
-0:01
Half
13.11 mi13:35:032:13:4110:126:36
9:40
-0:20
25K
15.53 mi13:59:282:38:0610:1124:25
10:04
+0:24
30K
18.64 mi14:30:153:08:5310:0830:47
9:54
-0:10
20M
20.00 mi14:44:173:22:5510:0914:02
10:20
+0:26
21M
21.00 mi14:54:483:33:2610:1010:31
10:31
+0:11
35K
21.75 mi15:01:233:40:0110:076:35
8:48
-1:43
23M
23.00 mi15:13:113:51:4910:0511:48
9:25
+0:37
24M
24.00 mi15:22:254:01:0310:039:14
9:14
-0:11
40K
24.85 mi15:30:504:09:2810:028:25
9:51
+0:37
25.2M
25.20 mi15:34:174:12:5510:023:27
10:00
+0:09
Finish
26.22 mi15:43:034:21:419:598:46
8:36
-1:24

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

8:36 /mi

Average Pace

9:59 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

42:59

16% of race

Time at Steady Pace

2:09:17

49% of race

Time at Slower Pace

1:29:25

34% of race

Average Pace: 9:59 /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 mi11:53:3032:0810:2132:08
10:21
#24324
10K
6.21 mi12:26:141:04:5210:2632:44
10:32
#24576
15K
9.32 mi12:57:221:36:0010:1831:08
10:01
#24219
20K
12.43 mi13:28:272:07:0510:1431:05
10:00
#23858
Half
13.11 mi13:35:032:13:4110:126:36
9:40
#23805
25K
15.53 mi13:59:282:38:0610:1124:25
10:04
#23562
30K
18.64 mi14:30:153:08:5310:0830:47
9:54
#23110
20M
20.00 mi14:44:173:22:5510:0914:02
10:20
#22973
21M
21.00 mi14:54:483:33:2610:1010:31
10:31
#22792
35K
21.75 mi15:01:233:40:0110:076:35
8:48
#22658
23M
23.00 mi15:13:113:51:4910:0511:48
9:25
#22437
24M
24.00 mi15:22:254:01:0310:039:14
9:14
#22296
40K
24.85 mi15:30:504:09:2810:028:25
9:51
#22201
25.2M
25.20 mi15:34:174:12:5510:023:27
10:00
#22135
Finish
26.22 mi15:43:034:21:419:598:46
8:36
#21985
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24324142471424723534(Top 88%)13887(Top 92%)13887(Top 263%)
10K6.21 mi3.10 mi24576-25214352-10514352-10524730(Top 93%)14413(Top 95%)14413(Top 273%)
15K9.32 mi3.11 mi24219+35714185+16714185+16723534(Top 88%)13887(Top 92%)13887(Top 263%)
20K12.43 mi3.11 mi23858+36114024+16114024+16122923(Top 86%)13586(Top 90%)13586(Top 257%)
Half13.11 mi0.68 mi23805+5313997+2713997+2722559(Top 85%)13419(Top 88%)13419(Top 254%)
25K15.53 mi2.42 mi23562+24313886+11113886+11122371(Top 84%)13304(Top 88%)13304(Top 252%)
30K18.64 mi3.11 mi23110+45213646+24013646+24020769(Top 78%)12542(Top 83%)12542(Top 237%)
20M20.00 mi1.36 mi22973+13713569+7713569+7721332(Top 80%)12713(Top 84%)12713(Top 241%)
21M21.00 mi1.00 mi22792+18113470+9913470+9919640(Top 74%)11897(Top 78%)11897(Top 225%)
35K21.75 mi0.75 mi22658+13413399+7113399+7116937(Top 64%)10686(Top 70%)10686(Top 202%)
23M23.00 mi1.25 mi22437+22113298+10113298+10118019(Top 68%)11125(Top 73%)11125(Top 211%)
24M24.00 mi1.00 mi22296+14113233+6513233+6518185(Top 68%)11172(Top 74%)11172(Top 211%)
40K24.85 mi0.85 mi22201+9513180+5313180+5319519(Top 73%)11719(Top 77%)11719(Top 222%)
25.2M25.20 mi0.35 mi22135+6613148+3213148+3217390(Top 65%)10743(Top 71%)10743(Top 203%)
Finish26.22 mi1.02 mi21985+15013067+8113067+8115993(Top 60%)10179(Top 67%)10179(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

23534

Males

13887

M18-39

13887

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

24730

Males

14413

M18-39

14413

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

23534

Males

13887

M18-39

13887

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

22923

Males

13586

M18-39

13586

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

22559

Males

13419

M18-39

13419

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

22371

Males

13304

M18-39

13304

25K→30K

15.5 - 18.6 mi

Top 78%
×9story building
+181ft-148ft

Overall

20769

Males

12542

M18-39

12542

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

21332

Males

12713

M18-39

12713

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

19640

Males

11897

M18-39

11897

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

16937

Males

10686

M18-39

10686

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

18019

Males

11125

M18-39

11125

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

18185

Males

11172

M18-39

11172

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19519

Males

11719

M18-39

11719

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17390

Males

10743

M18-39

10743

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

15993

Males

10179

M18-39

10179

Passing Analysis

Category:
Athletes Passed
2738
Passed By
399
Net Change
+2339
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24324
5K → 10K94346-252#24324#24576
10K → 15K37922+357#24576#24219
15K → 20K3709+361#24219#23858
20K → Half541+53#23858#23805
Half → 25K2496+243#23805#23562
25K → 30K4520+452#23562#23110
30K → 20M1436+137#23110#22973
20M → 21M1821+181#22973#22792
21M → 35K1340+134#22792#22658
35K → 23M2210+221#22658#22437
23M → 24M1432+141#22437#22296
24M → 40K1005+95#22296#22201
40K → 25.2M660+66#22201#22135
25.2M → Finish1511+150#22135#21985
TOTALS2738399+2339
📊

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