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BOSTON MARATHON 2023

Joel Perez

Bib: 4313•M

CA

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
23:31
Rank: #10258
Start → 5K
23:31 | 7:34/mi
10K· 6.21 mi
47:09
Rank: #10817 (-559)
5K → 10K
23:38 | 7:36/mi
15K· 9.32 mi
1:12:18
Rank: #12276 (-1459)
10K → 15K
25:09 | 8:06/mi
20K· 12.43 mi
1:42:59
Rank: #16164 (-3888)
15K → 20K
30:41 | 9:53/mi
Half· 13.11 mi
1:49:05
Rank: #16443 (-279)
20K → Half
6:06 | 8:56/mi
25K· 15.53 mi
2:13:35
Rank: #17942 (-1499)
Half → 25K
24:30 | 10:06/mi
30K· 18.64 mi
2:46:19
Rank: #19218 (-1276)
25K → 30K
32:44 | 10:32/mi
20M
3:00:18
Rank: #19436 (-218)
30K → 20M
13:59 | 10:17/mi
21M
3:11:43
Rank: #19633 (-197)
20M → 21M
11:25 | 11:25/mi
35K· 21.75 mi
3:19:27
Rank: #19771 (-138)
21M → 35K
7:44 | 10:20/mi
23M
3:34:16
Rank: #20181 (-410)
35K → 23M
14:49 | 11:50/mi
24M
3:44:07
Rank: #20198 (-17)
23M → 24M
9:51 | 9:51/mi
40K· 24.85 mi
3:54:38
Rank: #20424 (-226)
24M → 40K
10:31 | 12:18/mi
25.2M
3:59:07
Rank: #20523 (-99)
40K → 25.2M
4:29 | 13:00/mi
Finish· 26.22 mi
4:09:28
Rank: #20597 (-74)
25.2M → Finish
10:21 | 10:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:05
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time2:20:23
Pace10:43 /mi
📊Positive Split: 28.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1223:317:3423:31
7:34
-
10K
6.21 mi10:48:5047:097:3523:38
7:36
+0:02
15K
9.32 mi11:13:591:12:187:4525:09
8:06
+0:30
20K
12.43 mi11:44:401:42:598:1730:41
9:53
+1:47
Half
13.11 mi11:50:461:49:058:196:06
8:56
-0:57
25K
15.53 mi12:15:162:13:358:3624:30
10:06
+1:10
30K
18.64 mi12:48:002:46:198:5532:44
10:32
+0:26
20M
20.00 mi13:01:593:00:189:0113:59
10:17
-0:15
21M
21.00 mi13:13:243:11:439:0811:25
11:25
+1:08
35K
21.75 mi13:21:083:19:279:107:44
10:20
-1:05
23M
23.00 mi13:35:573:34:169:1914:49
11:50
+1:30
24M
24.00 mi13:45:483:44:079:209:51
9:51
-1:59
40K
24.85 mi13:56:193:54:389:2610:31
12:18
+2:27
25.2M
25.20 mi14:00:483:59:079:294:29
13:00
+0:42
Finish
26.22 mi14:11:094:09:289:3110:21
10:09
-2:51

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

7:34 /mi

Average Pace

9:31 /mi

Slowest Pace

13:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:24

31% of race

Time at Steady Pace

2:09:50

52% of race

Time at Slower Pace

41:14

17% of race

Average Pace: 9:31 /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 mi10:25:1223:317:3423:31
7:34
#10258
10K
6.21 mi10:48:5047:097:3523:38
7:36
#10817
15K
9.32 mi11:13:591:12:187:4525:09
8:06
#12276
20K
12.43 mi11:44:401:42:598:1730:41
9:53
#16164
Half
13.11 mi11:50:461:49:058:196:06
8:56
#16443
25K
15.53 mi12:15:162:13:358:3624:30
10:06
#17942
30K
18.64 mi12:48:002:46:198:5532:44
10:32
#19218
20M
20.00 mi13:01:593:00:189:0113:59
10:17
#19436
21M
21.00 mi13:13:243:11:439:0811:25
11:25
#19633
35K
21.75 mi13:21:083:19:279:107:44
10:20
#19771
23M
23.00 mi13:35:573:34:169:1914:49
11:50
#20181
24M
24.00 mi13:45:483:44:079:209:51
9:51
#20198
40K
24.85 mi13:56:193:54:389:2610:31
12:18
#20424
25.2M
25.20 mi14:00:483:59:079:294:29
13:00
#20523
Finish
26.22 mi14:11:094:09:289:3110:21
10:09
#20597
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi102588268826815128(Top 57%)10362(Top 68%)10362(Top 196%)
10K6.21 mi3.10 mi10817-5598574-3068574-30611392(Top 43%)8830(Top 58%)8830(Top 167%)
15K9.32 mi3.11 mi12276-14599214-6409214-64015128(Top 57%)10362(Top 68%)10362(Top 196%)
20K12.43 mi3.11 mi16164-388810743-152910743-152922579(Top 85%)13429(Top 88%)13429(Top 254%)
Half13.11 mi0.68 mi16443-27910844-10110844-10120155(Top 76%)12382(Top 82%)12382(Top 234%)
25K15.53 mi2.42 mi17942-149911418-57411418-57422432(Top 84%)13330(Top 88%)13330(Top 252%)
30K18.64 mi3.11 mi19218-127611931-51311931-51322274(Top 84%)13193(Top 87%)13193(Top 250%)
20M20.00 mi1.36 mi19436-21812004-7312004-7321239(Top 80%)12671(Top 83%)12671(Top 240%)
21M21.00 mi1.00 mi19633-19712082-7812082-7821709(Top 82%)12850(Top 85%)12850(Top 243%)
35K21.75 mi0.75 mi19771-13812137-5512137-5522060(Top 83%)12948(Top 85%)12948(Top 245%)
23M23.00 mi1.25 mi20181-41012289-15212289-15223766(Top 89%)13755(Top 91%)13755(Top 260%)
24M24.00 mi1.00 mi20198-1712287+212287+220369(Top 77%)12158(Top 80%)12158(Top 230%)
40K24.85 mi0.85 mi20424-22612382-9512382-9524223(Top 91%)13903(Top 92%)13903(Top 263%)
25.2M25.20 mi0.35 mi20523-9912419-3712419-3723938(Top 90%)13755(Top 91%)13755(Top 260%)
Finish26.22 mi1.02 mi20597-7412433-1412433-1422165(Top 83%)12934(Top 85%)12934(Top 245%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

15128

Males

10362

M18-39

10362

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

11392

Males

8830

M18-39

8830

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

15128

Males

10362

M18-39

10362

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

22579

Males

13429

M18-39

13429

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

20155

Males

12382

M18-39

12382

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

22432

Males

13330

M18-39

13330

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

22274

Males

13193

M18-39

13193

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

21239

Males

12671

M18-39

12671

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

21709

Males

12850

M18-39

12850

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

22060

Males

12948

M18-39

12948

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

23766

Males

13755

M18-39

13755

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

20369

Males

12158

M18-39

12158

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24223

Males

13903

M18-39

13903

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

23938

Males

13755

M18-39

13755

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

22165

Males

12934

M18-39

12934

Passing Analysis

Category:
Athletes Passed
325
Passed By
10664
Net Change
-10339
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10258
5K → 10K107666-559#10258#10817
10K → 15K81467-1459#10817#12276
15K → 20K23890-3888#12276#16164
20K → Half6285-279#16164#16443
Half → 25K41503-1499#16443#17942
25K → 30K191295-1276#17942#19218
30K → 20M41259-218#19218#19436
20M → 21M30227-197#19436#19633
21M → 35K15153-138#19633#19771
35K → 23M16426-410#19771#20181
23M → 24M4360-17#20181#20198
24M → 40K5231-226#20198#20424
40K → 25.2M7106-99#20424#20523
25.2M → Finish2296-74#20523#20597
TOTALS32510664-10339
📊

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