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BOSTON MARATHON 2023

Javier Pérez Barraza

Bib: 6508•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

Start
0:00:00
Race begins
5K· 3.11 mi
22:25
Rank: #7594
Start → 5K
22:25 | 7:13/mi
10K· 6.21 mi
45:55
Rank: #9106 (-1512)
5K → 10K
23:30 | 7:34/mi
15K· 9.32 mi
1:10:01
Rank: #10171 (-1065)
10K → 15K
24:06 | 7:45/mi
20K· 12.43 mi
1:34:19
Rank: #10612 (-441)
15K → 20K
24:18 | 7:49/mi
Half· 13.11 mi
1:39:24
Rank: #10562 (+50)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
2:01:43
Rank: #12487 (-1925)
Half → 25K
22:19 | 9:12/mi
30K· 18.64 mi
2:34:40
Rank: #15448 (-2961)
25K → 30K
32:57 | 10:36/mi
20M
2:50:20
Rank: #16642 (-1194)
30K → 20M
15:40 | 11:32/mi
21M
3:02:54
Rank: #17444 (-802)
20M → 21M
12:34 | 12:34/mi
35K· 21.75 mi
3:09:50
Rank: #17517 (-73)
21M → 35K
6:56 | 9:16/mi
23M
3:23:01
Rank: #17926 (-409)
35K → 23M
13:11 | 10:32/mi
24M
3:41:27
Rank: #19775 (-1849)
23M → 24M
18:26 | 18:26/mi
40K· 24.85 mi
3:49:15
Rank: #19675 (+100)
24M → 40K
7:48 | 9:07/mi
25.2M
3:53:25
Rank: #19748 (-73)
40K → 25.2M
4:10 | 12:05/mi
Finish· 26.22 mi
4:02:38
Rank: #19706 (+42)
25.2M → Finish
9:13 | 9:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:24
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time2:23:14
Pace10:56 /mi
📊Positive Split: 44.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:0622:257:1322:25
7:13
-
10K
6.21 mi10:49:3645:557:2323:30
7:34
+0:21
15K
9.32 mi11:13:421:10:017:3124:06
7:45
+0:11
20K
12.43 mi11:38:001:34:197:3524:18
7:49
+0:04
Half
13.11 mi11:43:051:39:247:355:05
7:27
-0:22
25K
15.53 mi12:05:242:01:437:5022:19
9:12
+1:45
30K
18.64 mi12:38:212:34:408:1832:57
10:36
+1:24
20M
20.00 mi12:54:012:50:208:3115:40
11:32
+0:56
21M
21.00 mi13:06:353:02:548:4312:34
12:34
+1:02
35K
21.75 mi13:13:313:09:508:446:56
9:16
-3:18
23M
23.00 mi13:26:423:23:018:5013:11
10:32
+1:16
24M
24.00 mi13:45:083:41:279:1418:26
18:26
+7:54
40K
24.85 mi13:52:563:49:159:137:48
9:07
-9:19
25.2M
25.20 mi13:57:063:53:259:164:10
12:05
+2:58
Finish
26.22 mi14:06:194:02:389:169:13
9:03
-3:02

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

7:13 /mi

Average Pace

9:16 /mi

Slowest Pace

18:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:06

31% of race

Time at Steady Pace

1:56:42

48% of race

Time at Slower Pace

50:50

21% of race

Average Pace: 9:15 /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 mi10:26:0622:257:1322:25
7:13
#7594
10K
6.21 mi10:49:3645:557:2323:30
7:34
#9106
15K
9.32 mi11:13:421:10:017:3124:06
7:45
#10171
20K
12.43 mi11:38:001:34:197:3524:18
7:49
#10612
Half
13.11 mi11:43:051:39:247:355:05
7:27
#10562
25K
15.53 mi12:05:242:01:437:5022:19
9:12
#12487
30K
18.64 mi12:38:212:34:408:1832:57
10:36
#15448
20M
20.00 mi12:54:012:50:208:3115:40
11:32
#16642
21M
21.00 mi13:06:353:02:548:4312:34
12:34
#17444
35K
21.75 mi13:13:313:09:508:446:56
9:16
#17517
23M
23.00 mi13:26:423:23:018:5013:11
10:32
#17926
24M
24.00 mi13:45:083:41:279:1418:26
18:26
#19775
40K
24.85 mi13:52:563:49:159:137:48
9:07
#19675
25.2M
25.20 mi13:57:063:53:259:164:10
12:05
#19748
Finish
26.22 mi14:06:194:02:389:169:13
9:03
#19706
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi75946717671712367(Top 46%)9241(Top 61%)9241(Top 175%)
10K6.21 mi3.10 mi9106-15127639-9227639-92210993(Top 41%)8682(Top 57%)8682(Top 164%)
15K9.32 mi3.11 mi10171-10658266-6278266-62712367(Top 46%)9241(Top 61%)9241(Top 175%)
20K12.43 mi3.11 mi10612-4418465-1998465-19911922(Top 45%)8986(Top 59%)8986(Top 170%)
Half13.11 mi0.68 mi10562+508452+138452+139837(Top 37%)8030(Top 53%)8030(Top 152%)
25K15.53 mi2.42 mi12487-19259248-7969248-79619859(Top 75%)12222(Top 81%)12222(Top 231%)
30K18.64 mi3.11 mi15448-296110389-114110389-114122422(Top 84%)13261(Top 87%)13261(Top 251%)
20M20.00 mi1.36 mi16642-119410844-45510844-45523556(Top 88%)13713(Top 90%)13713(Top 259%)
21M21.00 mi1.00 mi17444-80211168-32411168-32423529(Top 88%)13678(Top 90%)13678(Top 259%)
35K21.75 mi0.75 mi17517-7311178-1011178-1019001(Top 71%)11595(Top 76%)11595(Top 219%)
23M23.00 mi1.25 mi17926-40911332-15411332-15421378(Top 80%)12629(Top 83%)12629(Top 239%)
24M24.00 mi1.00 mi19775-184912120-78812120-78826601(Top 100%)15162(Top 100%)15162(Top 287%)
40K24.85 mi0.85 mi19675+10012064+5612064+5616725(Top 63%)10463(Top 69%)10463(Top 198%)
25.2M25.20 mi0.35 mi19748-7312089-2512089-2522614(Top 85%)13127(Top 86%)13127(Top 248%)
Finish26.22 mi1.02 mi19706+4212067+2212067+2218177(Top 68%)11168(Top 74%)11168(Top 211%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

12367

Males

9241

M18-39

9241

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

10993

Males

8682

M18-39

8682

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

12367

Males

9241

M18-39

9241

15K→20K

9.3 - 12.4 mi

Top 45%
×5stories
+106ft-86ft

Overall

11922

Males

8986

M18-39

8986

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9837

Males

8030

M18-39

8030

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

19859

Males

12222

M18-39

12222

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

22422

Males

13261

M18-39

13261

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

23556

Males

13713

M18-39

13713

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

23529

Males

13678

M18-39

13678

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

19001

Males

11595

M18-39

11595

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

21378

Males

12629

M18-39

12629

23M→24M

23.0 - 24.0 mi

Top 100%
×6stories
+12ft-82ft

Overall

26601

Males

15162

M18-39

15162

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16725

Males

10463

M18-39

10463

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22614

Males

13127

M18-39

13127

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

18177

Males

11168

M18-39

11168

Passing Analysis

Category:
Athletes Passed
402
Passed By
12512
Net Change
-12112
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7594
5K → 10K61518-1512#7594#9106
10K → 15K221085-1065#9106#10171
15K → 20K51492-441#10171#10612
20K → Half6212+50#10612#10562
Half → 25K21927-1925#10562#12487
25K → 30K32964-2961#12487#15448
30K → 20M31197-1194#15448#16642
20M → 21M5807-802#16642#17444
21M → 35K35108-73#17444#17517
35K → 23M25434-409#17517#17926
23M → 24M11850-1849#17926#19775
24M → 40K11010+100#19775#19675
40K → 25.2M679-73#19675#19748
25.2M → Finish7129+42#19748#19706
TOTALS40212512-12112
📊

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