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BOSTON MARATHON 2023

Carlos Lopez Lopez

Bib: 29060•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:14/mi
31:48
↑ 97↓ 3451.5%
10K· 6.21 mi
10:11/mi
1:03:27
↑ 79↓ 1380.4%
15K· 9.32 mi
10:06/mi
1:34:51
↑ 67↓ 78
20K· 12.43 mi
10:12/mi
2:06:31
↑ 106↓ 860.1%
Half· 13.11 mi
9:55/mi
2:13:17
↑ 19↓ 370.5%
25K· 15.53 mi
10:13/mi
2:38:03
↑ 66↓ 880.2%
30K· 18.64 mi
10:47/mi
3:11:33
↑ 181↓ 1480.2%
20M
10:58/mi
3:26:27
↑ 64↓ 500.2%
21M
11:36/mi
3:38:03
↑ 106↓ 241.6%
35K· 21.75 mi
10:56/mi
3:46:14
↑ 17↓ 861.7%
23M
11:48/mi
4:01:01
↑ 23↓ 630.6%
24M
11:34/mi
4:12:35
↓ 821.3%
40K· 24.85 mi
13:56/mi
4:24:30
↓ 200.3%
25.2M
17:44/mi
4:30:37
↑ 13↓ 160.2%
Finish· 26.22 mi
11:59/mi
4:42:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:17
Pace10:10 /mi
2nd Half
Distance13.11 mi
Time2:29:33
Pace11:24 /mi
📊Positive Split: 12.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:4131:4810:1431:48
10:14
-
10K
6.21 mi12:27:201:03:2710:1331:39
10:11
-0:03
15K
9.32 mi12:58:441:34:5110:1131:24
10:06
-0:05
20K
12.43 mi13:30:242:06:3110:1131:40
10:12
+0:06
Half
13.11 mi13:37:102:13:1710:106:46
9:55
-0:17
25K
15.53 mi14:01:562:38:0310:1024:46
10:13
+0:18
30K
18.64 mi14:35:263:11:3310:1733:30
10:47
+0:34
20M
20.00 mi14:50:203:26:2710:1914:54
10:58
+0:11
21M
21.00 mi15:01:563:38:0310:2311:36
11:36
+0:38
35K
21.75 mi15:10:073:46:1410:248:11
10:56
-0:40
23M
23.00 mi15:24:544:01:0110:2914:47
11:48
+0:52
24M
24.00 mi15:36:284:12:3510:3111:34
11:34
-0:14
40K
24.85 mi15:48:234:24:3010:3911:55
13:56
+2:22
25.2M
25.20 mi15:54:304:30:3710:446:07
17:44
+3:48
Finish
26.22 mi16:06:434:42:5010:4812:13
11:59
-5:45

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

9:55 /mi

Average Pace

10:48 /mi

Slowest Pace

17:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

6:46

2% of race

Time at Steady Pace

4:05:49

87% of race

Time at Slower Pace

30:15

11% of race

Average Pace: 10:47 /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 mi11:55:4131:4810:1431:48
10:14
#24029
10K
6.21 mi12:27:201:03:2710:1331:39
10:11
#24085
15K
9.32 mi12:58:441:34:5110:1131:24
10:06
#23951
20K
12.43 mi13:30:242:06:3110:1131:40
10:12
#23779
Half
13.11 mi13:37:102:13:1710:106:46
9:55
#23753
25K
15.53 mi14:01:562:38:0310:1024:46
10:13
#23557
30K
18.64 mi14:35:263:11:3310:1733:30
10:47
#23386
20M
20.00 mi14:50:203:26:2710:1914:54
10:58
#23328
21M
21.00 mi15:01:563:38:0310:2311:36
11:36
#23267
35K
21.75 mi15:10:073:46:1410:248:11
10:56
#23253
23M
23.00 mi15:24:544:01:0110:2914:47
11:48
#23288
24M
24.00 mi15:36:284:12:3510:3111:34
11:34
#23342
40K
24.85 mi15:48:234:24:3010:3911:55
13:56
#23506
25.2M
25.20 mi15:54:304:30:3710:446:07
17:44
#23646
Finish
26.22 mi16:06:434:42:5010:4812:13
11:59
#23737
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi24029141031410323708(Top 89%)13956(Top 92%)13956(Top 623%)
10K6.21 mi3.10 mi24085-5614124-2114124-2124098(Top 91%)14135(Top 93%)14135(Top 631%)
15K9.32 mi3.11 mi23951+13414067+5714067+5723708(Top 89%)13956(Top 92%)13956(Top 623%)
20K12.43 mi3.11 mi23779+17213990+7713990+7723275(Top 87%)13754(Top 91%)13754(Top 614%)
Half13.11 mi0.68 mi23753+2613978+1213978+1223110(Top 87%)13678(Top 90%)13678(Top 610%)
25K15.53 mi2.42 mi23557+19613882+9613882+9622648(Top 85%)13435(Top 89%)13435(Top 600%)
30K18.64 mi3.11 mi23386+17113780+10213780+10222753(Top 85%)13406(Top 88%)13406(Top 598%)
20M20.00 mi1.36 mi23328+5813742+3813742+3822641(Top 85%)13295(Top 88%)13295(Top 593%)
21M21.00 mi1.00 mi23267+6113706+3613706+3622050(Top 83%)13009(Top 86%)13009(Top 580%)
35K21.75 mi0.75 mi23253+1413691+1513691+1523192(Top 87%)13479(Top 89%)13479(Top 601%)
23M23.00 mi1.25 mi23288-3513696-513696-523720(Top 89%)13730(Top 90%)13730(Top 613%)
24M24.00 mi1.00 mi23342-5413709-1313709-1323957(Top 90%)13791(Top 91%)13791(Top 615%)
40K24.85 mi0.85 mi23506-16413787-7813787-7825652(Top 96%)14628(Top 96%)14628(Top 653%)
25.2M25.20 mi0.35 mi23646-14013850-6313850-6326474(Top 99%)15080(Top 99%)15080(Top 673%)
Finish26.22 mi1.02 mi23737-9113882-3213882-3225216(Top 95%)14413(Top 95%)14413(Top 643%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

23708

Males

13956

M40-44

13956

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

24098

Males

14135

M40-44

14135

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

23708

Males

13956

M40-44

13956

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

23275

Males

13754

M40-44

13754

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

23110

Males

13678

M40-44

13678

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

22648

Males

13435

M40-44

13435

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

22753

Males

13406

M40-44

13406

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

22641

Males

13295

M40-44

13295

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

22050

Males

13009

M40-44

13009

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

23192

Males

13479

M40-44

13479

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

23720

Males

13730

M40-44

13730

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

23957

Males

13791

M40-44

13791

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

25652

Males

14628

M40-44

14628

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26474

Males

15080

M40-44

15080

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

25216

Males

14413

M40-44

14413

Passing Analysis

Category:
Athletes Passed
1291
Passed By
999
Net Change
+292
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24029
5K → 10K175231-56#24029#24085
10K → 15K19763+134#24085#23951
15K → 20K20937+172#23951#23779
20K → Half3711+26#23779#23753
Half → 25K20812+196#23753#23557
25K → 30K20231+171#23557#23386
30K → 20M7719+58#23386#23328
20M → 21M7615+61#23328#23267
21M → 35K4329+14#23267#23253
35K → 23M3368-35#23253#23288
23M → 24M1973-54#23288#23342
24M → 40K6170-164#23342#23506
40K → 25.2M0140-140#23506#23646
25.2M → Finish9100-91#23646#23737
TOTALS1291999+292
📊

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