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BOSTON MARATHON 2023

Marcelo Caro

Bib: 4596•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 23%
Gender (Male)
#0 / 15176
Top 36%
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
20:39
Rank: #3210
Start → 5K
20:39 | 6:39/mi
10K· 6.21 mi
41:02
Rank: #3193 (+17)
5K → 10K
20:23 | 6:34/mi
15K· 9.32 mi
1:01:29
Rank: #3186 (+7)
10K → 15K
20:27 | 6:35/mi
20K· 12.43 mi
1:22:17
Rank: #3227 (-41)
15K → 20K
20:48 | 6:42/mi
Half· 13.11 mi
1:26:48
Rank: #3245 (-18)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:43:14
Rank: #3321 (-76)
Half → 25K
16:26 | 6:47/mi
30K· 18.64 mi
2:05:33
Rank: #3735 (-414)
25K → 30K
22:19 | 7:11/mi
20M
2:15:30
Rank: #3925 (-190)
30K → 20M
9:57 | 7:19/mi
21M
2:23:28
Rank: #4158 (-233)
20M → 21M
7:58 | 7:58/mi
35K· 21.75 mi
2:29:07
Rank: #4374 (-216)
21M → 35K
5:39 | 7:33/mi
23M
2:39:12
Rank: #4727 (-353)
35K → 23M
10:05 | 8:03/mi
24M
2:47:08
Rank: #4949 (-222)
23M → 24M
7:56 | 7:56/mi
40K· 24.85 mi
2:53:49
Rank: #5021 (-72)
24M → 40K
6:41 | 7:49/mi
25.2M
2:57:18
Rank: #5171 (-150)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:08:27
Rank: #6039 (-868)
25.2M → Finish
11:09 | 10:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:48
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:41:39
Pace7:45 /mi
📊Positive Split: 17.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3420:396:3920:39
6:39
-
10K
6.21 mi10:42:5741:026:3620:23
6:34
-0:05
15K
9.32 mi11:03:241:01:296:3620:27
6:35
+0:01
20K
12.43 mi11:24:121:22:176:3720:48
6:42
+0:07
Half
13.11 mi11:28:431:26:486:374:31
6:37
-0:05
25K
15.53 mi11:45:091:43:146:3916:26
6:47
+0:10
30K
18.64 mi12:07:282:05:336:4422:19
7:11
+0:24
20M
20.00 mi12:17:252:15:306:469:57
7:19
+0:08
21M
21.00 mi12:25:232:23:286:507:58
7:58
+0:39
35K
21.75 mi12:31:022:29:076:515:39
7:33
-0:25
23M
23.00 mi12:41:072:39:126:5510:05
8:03
+0:30
24M
24.00 mi12:49:032:47:086:587:56
7:56
-0:07
40K
24.85 mi12:55:442:53:497:006:41
7:49
-0:07
25.2M
25.20 mi12:59:132:57:187:023:29
10:06
+2:17
Finish
26.22 mi13:10:223:08:277:1211:09
10:56
+0:50

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

6:34 /mi

Average Pace

7:12 /mi

Slowest Pace

10:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:00

35% of race

Time at Steady Pace

1:29:46

48% of race

Time at Slower Pace

32:41

17% of race

Average Pace: 7:11 /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 mi10:22:3420:396:3920:39
6:39
#3210
10K
6.21 mi10:42:5741:026:3620:23
6:34
#3193
15K
9.32 mi11:03:241:01:296:3620:27
6:35
#3186
20K
12.43 mi11:24:121:22:176:3720:48
6:42
#3227
Half
13.11 mi11:28:431:26:486:374:31
6:37
#3245
25K
15.53 mi11:45:091:43:146:3916:26
6:47
#3321
30K
18.64 mi12:07:282:05:336:4422:19
7:11
#3735
20M
20.00 mi12:17:252:15:306:469:57
7:19
#3925
21M
21.00 mi12:25:232:23:286:507:58
7:58
#4158
35K
21.75 mi12:31:022:29:076:515:39
7:33
#4374
23M
23.00 mi12:41:072:39:126:5510:05
8:03
#4727
24M
24.00 mi12:49:032:47:086:587:56
7:56
#4949
40K
24.85 mi12:55:442:53:497:006:41
7:49
#5021
25.2M
25.20 mi12:59:132:57:187:023:29
10:06
#5171
Finish
26.22 mi13:10:223:08:277:1211:09
10:56
#6039
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3210303230323174(Top 12%)3023(Top 20%)3023(Top 57%)
10K6.21 mi3.10 mi3193+173031+13031+13213(Top 12%)3062(Top 20%)3062(Top 58%)
15K9.32 mi3.11 mi3186+73033-23033-23174(Top 12%)3023(Top 20%)3023(Top 57%)
20K12.43 mi3.11 mi3227-413072-393072-393557(Top 13%)3366(Top 22%)3366(Top 64%)
Half13.11 mi0.68 mi3245-183087-153087-153662(Top 14%)3470(Top 23%)3470(Top 66%)
25K15.53 mi2.42 mi3321-763160-733160-733964(Top 15%)3725(Top 25%)3725(Top 70%)
30K18.64 mi3.11 mi3735-4143528-3683528-3685398(Top 20%)4920(Top 32%)4920(Top 93%)
20M20.00 mi1.36 mi3925-1903697-1693697-1695754(Top 22%)5114(Top 34%)5114(Top 97%)
21M21.00 mi1.00 mi4158-2333896-1993896-1997104(Top 27%)5920(Top 39%)5920(Top 112%)
35K21.75 mi0.75 mi4374-2164084-1884084-1888846(Top 33%)6970(Top 46%)6970(Top 132%)
23M23.00 mi1.25 mi4727-3534393-3094393-30910087(Top 38%)7518(Top 50%)7518(Top 142%)
24M24.00 mi1.00 mi4949-2224563-1704563-17010727(Top 40%)7750(Top 51%)7750(Top 147%)
40K24.85 mi0.85 mi5021-724622-594622-598741(Top 33%)6665(Top 44%)6665(Top 126%)
25.2M25.20 mi0.35 mi5171-1504744-1224744-12217700(Top 66%)10859(Top 72%)10859(Top 205%)
Finish26.22 mi1.02 mi6039-8685411-6675411-66723843(Top 90%)13739(Top 91%)13739(Top 260%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3174

Males

3023

M18-39

3023

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3213

Males

3062

M18-39

3062

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3174

Males

3023

M18-39

3023

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3557

Males

3366

M18-39

3366

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3662

Males

3470

M18-39

3470

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3964

Males

3725

M18-39

3725

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5398

Males

4920

M18-39

4920

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5754

Males

5114

M18-39

5114

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7104

Males

5920

M18-39

5920

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

8846

Males

6970

M18-39

6970

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

10087

Males

7518

M18-39

7518

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10727

Males

7750

M18-39

7750

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8741

Males

6665

M18-39

6665

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17700

Males

10859

M18-39

10859

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2stories
+22ft-21ft

Overall

23843

Males

13739

M18-39

13739

Passing Analysis

Category:
Athletes Passed
527
Passed By
3356
Net Change
-2829
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3210
5K → 10K171154+17#3210#3193
10K → 15K9689+7#3193#3186
15K → 20K76117-41#3186#3227
20K → Half1028-18#3227#3245
Half → 25K49125-76#3245#3321
25K → 30K16430-414#3321#3735
30K → 20M22212-190#3735#3925
20M → 21M26259-233#3925#4158
21M → 35K7223-216#4158#4374
35K → 23M14367-353#4374#4727
23M → 24M10232-222#4727#4949
24M → 40K2496-72#4949#5021
40K → 25.2M2152-150#5021#5171
25.2M → Finish4872-868#5171#6039
TOTALS5273356-2829
📊

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