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BOSTON MARATHON 2023

David Lopes

Bib: 4925•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 14%
Division (M18-39)
#0 / 5285
Top 31%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:42
Rank: #3316
Start → 5K
20:42 | 6:40/mi
10K· 6.21 mi
41:18
Rank: #3493 (-177)
5K → 10K
20:36 | 6:38/mi
15K· 9.32 mi
1:01:26
Rank: #3122 (+371)
10K → 15K
20:08 | 6:29/mi
20K· 12.43 mi
1:21:25
Rank: #2740 (+382)
15K → 20K
19:59 | 6:26/mi
Half· 13.11 mi
1:25:46
Rank: #2691 (+49)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:41:21
Rank: #2539 (+152)
Half → 25K
15:35 | 6:26/mi
30K· 18.64 mi
2:01:42
Rank: #2365 (+174)
25K → 30K
20:21 | 6:33/mi
20M
2:10:38
Rank: #2301 (+64)
30K → 20M
8:56 | 6:34/mi
21M
2:17:25
Rank: #2229 (+72)
20M → 21M
6:47 | 6:47/mi
35K· 21.75 mi
2:22:10
Rank: #2190 (+39)
21M → 35K
4:45 | 6:21/mi
23M
2:30:28
Rank: #2148 (+42)
35K → 23M
8:18 | 6:38/mi
24M
2:37:02
Rank: #2132 (+16)
23M → 24M
6:34 | 6:34/mi
40K· 24.85 mi
2:42:48
Rank: #2126 (+6)
24M → 40K
5:46 | 6:45/mi
25.2M
2:45:27
Rank: #2154 (-28)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
2:52:19
Rank: #2162 (-8)
25.2M → Finish
6:52 | 6:44/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:25:46
Pace6:33 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:26:33
Pace6:36 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3120:426:4020:42
6:40
-
10K
6.21 mi10:43:0741:186:3920:36
6:38
-0:02
15K
9.32 mi11:03:151:01:266:3520:08
6:29
-0:09
20K
12.43 mi11:23:141:21:256:3319:59
6:26
-0:03
Half
13.11 mi11:27:351:25:466:334:21
6:23
-0:03
25K
15.53 mi11:43:101:41:216:3115:35
6:26
+0:03
30K
18.64 mi12:03:312:01:426:3220:21
6:33
+0:07
20M
20.00 mi12:12:272:10:386:328:56
6:34
+0:01
21M
21.00 mi12:19:142:17:256:336:47
6:47
+0:13
35K
21.75 mi12:23:592:22:106:324:45
6:21
-0:26
23M
23.00 mi12:32:172:30:286:338:18
6:38
+0:17
24M
24.00 mi12:38:512:37:026:336:34
6:34
-0:04
40K
24.85 mi12:44:372:42:486:335:46
6:45
+0:11
25.2M
25.20 mi12:47:162:45:276:342:39
7:41
+0:56
Finish
26.22 mi12:54:082:52:196:356:52
6:44
-0:57

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

6:21 /mi

Average Pace

6:35 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

9:06

5% of race

Time at Steady Pace

2:21:09

82% of race

Time at Slower Pace

22:04

13% of race

Average Pace: 6:34 /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 mi10:22:3120:426:4020:42
6:40
#3316
10K
6.21 mi10:43:0741:186:3920:36
6:38
#3493
15K
9.32 mi11:03:151:01:266:3520:08
6:29
#3122
20K
12.43 mi11:23:141:21:256:3319:59
6:26
#2740
Half
13.11 mi11:27:351:25:466:334:21
6:23
#2691
25K
15.53 mi11:43:101:41:216:3115:35
6:26
#2539
30K
18.64 mi12:03:312:01:426:3220:21
6:33
#2365
20M
20.00 mi12:12:272:10:386:328:56
6:34
#2301
21M
21.00 mi12:19:142:17:256:336:47
6:47
#2229
35K
21.75 mi12:23:592:22:106:324:45
6:21
#2190
23M
23.00 mi12:32:172:30:286:338:18
6:38
#2148
24M
24.00 mi12:38:512:37:026:336:34
6:34
#2132
40K
24.85 mi12:44:372:42:486:335:46
6:45
#2126
25.2M
25.20 mi12:47:162:45:276:342:39
7:41
#2154
Finish
26.22 mi12:54:082:52:196:356:52
6:44
#2162
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3316312831282518(Top 9%)2414(Top 16%)2414(Top 46%)
10K6.21 mi3.10 mi3493-1773298-1703298-1703702(Top 14%)3497(Top 23%)3497(Top 66%)
15K9.32 mi3.11 mi3122+3712973+3252973+3252518(Top 9%)2414(Top 16%)2414(Top 46%)
20K12.43 mi3.11 mi2740+3822618+3552618+3551948(Top 7%)1870(Top 12%)1870(Top 35%)
Half13.11 mi0.68 mi2691+492571+472571+472118(Top 8%)2034(Top 13%)2034(Top 38%)
25K15.53 mi2.42 mi2539+1522431+1402431+1401852(Top 7%)1775(Top 12%)1775(Top 34%)
30K18.64 mi3.11 mi2365+1742266+1652266+1651759(Top 7%)1683(Top 11%)1683(Top 32%)
20M20.00 mi1.36 mi2301+642208+582208+581746(Top 7%)1666(Top 11%)1666(Top 32%)
21M21.00 mi1.00 mi2229+722137+712137+711370(Top 5%)1307(Top 9%)1307(Top 25%)
35K21.75 mi0.75 mi2190+392098+392098+391764(Top 7%)1677(Top 11%)1677(Top 32%)
23M23.00 mi1.25 mi2148+422059+392059+391889(Top 7%)1791(Top 12%)1791(Top 34%)
24M24.00 mi1.00 mi2132+162046+132046+132376(Top 9%)2219(Top 15%)2219(Top 42%)
40K24.85 mi0.85 mi2126+62040+62040+62535(Top 10%)2349(Top 15%)2349(Top 44%)
25.2M25.20 mi0.35 mi2154-282067-272067-274699(Top 18%)4052(Top 27%)4052(Top 77%)
Finish26.22 mi1.02 mi2162-82073-62073-63695(Top 14%)3287(Top 22%)3287(Top 62%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2518

Males

2414

M18-39

2414

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3702

Males

3497

M18-39

3497

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2518

Males

2414

M18-39

2414

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1948

Males

1870

M18-39

1870

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2118

Males

2034

M18-39

2034

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1852

Males

1775

M18-39

1775

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1759

Males

1683

M18-39

1683

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1746

Males

1666

M18-39

1666

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1370

Males

1307

M18-39

1307

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1764

Males

1677

M18-39

1677

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1889

Males

1791

M18-39

1791

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2376

Males

2219

M18-39

2219

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2535

Males

2349

M18-39

2349

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4699

Males

4052

M18-39

4052

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3695

Males

3287

M18-39

3287

Passing Analysis

Category:
Athletes Passed
1603
Passed By
449
Net Change
+1154
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3316
5K → 10K110287-177#3316#3493
10K → 15K3787+371#3493#3122
15K → 20K3842+382#3122#2740
20K → Half523+49#2740#2691
Half → 25K1553+152#2691#2539
25K → 30K1795+174#2539#2365
30K → 20M728+64#2365#2301
20M → 21M797+72#2301#2229
21M → 35K412+39#2229#2190
35K → 23M6119+42#2190#2148
23M → 24M3317+16#2148#2132
24M → 40K2822+6#2132#2126
40K → 25.2M533-28#2126#2154
25.2M → Finish2634-8#2154#2162
TOTALS1603449+1154
📊

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