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BOSTON MARATHON 2023

Guillermo Cerda

Bib: 6144•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 19%
Gender (Male)
#0 / 15176
Top 31%
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
20:54
Rank: #3910
Start → 5K
20:54 | 6:44/mi
10K· 6.21 mi
41:19
Rank: #3532 (+378)
5K → 10K
20:25 | 6:34/mi
15K· 9.32 mi
1:02:14
Rank: #3785 (-253)
10K → 15K
20:55 | 6:44/mi
20K· 12.43 mi
1:23:38
Rank: #4166 (-381)
15K → 20K
21:24 | 6:53/mi
Half· 13.11 mi
1:28:19
Rank: #4241 (-75)
20K → Half
4:41 | 6:52/mi
25K· 15.53 mi
1:45:27
Rank: #4575 (-334)
Half → 25K
17:08 | 7:04/mi
30K· 18.64 mi
2:08:10
Rank: #4976 (-401)
25K → 30K
22:43 | 7:19/mi
20M
2:18:07
Rank: #5032 (-56)
30K → 20M
9:57 | 7:19/mi
21M
2:25:59
Rank: #5100 (-68)
20M → 21M
7:52 | 7:52/mi
35K· 21.75 mi
2:31:21
Rank: #5127 (-27)
21M → 35K
5:22 | 7:10/mi
23M
2:40:35
Rank: #5121 (+6)
35K → 23M
9:14 | 7:22/mi
24M
2:47:49
Rank: #5100 (+21)
23M → 24M
7:14 | 7:14/mi
40K· 24.85 mi
2:54:11
Rank: #5091 (+9)
24M → 40K
6:22 | 7:27/mi
25.2M
2:56:54
Rank: #5089 (+2)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:04:20
Rank: #5117 (-28)
25.2M → Finish
7:26 | 7:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:19
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:36:01
Pace7:19 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0720:546:4420:54
6:44
-
10K
6.21 mi10:44:3241:196:3920:25
6:34
-0:10
15K
9.32 mi11:05:271:02:146:4120:55
6:44
+0:10
20K
12.43 mi11:26:511:23:386:4421:24
6:53
+0:09
Half
13.11 mi11:31:321:28:196:444:41
6:52
-0:01
25K
15.53 mi11:48:401:45:276:4717:08
7:04
+0:12
30K
18.64 mi12:11:232:08:106:5322:43
7:19
+0:15
20M
20.00 mi12:21:202:18:076:549:57
7:19
0:00
21M
21.00 mi12:29:122:25:596:577:52
7:52
+0:33
35K
21.75 mi12:34:342:31:216:585:22
7:10
-0:42
23M
23.00 mi12:43:482:40:356:599:14
7:22
+0:12
24M
24.00 mi12:51:022:47:497:007:14
7:14
-0:08
40K
24.85 mi12:57:242:54:117:006:22
7:27
+0:13
25.2M
25.20 mi13:00:072:56:547:012:43
7:53
+0:26
Finish
26.22 mi13:07:333:04:207:027:26
7:18
-0:35

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

7:02 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:19

48% of race

Time at Steady Pace

1:19:04

43% of race

Time at Slower Pace

16:57

9% of race

Average Pace: 7:02 /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 mi10:24:0720:546:4420:54
6:44
#3910
10K
6.21 mi10:44:3241:196:3920:25
6:34
#3532
15K
9.32 mi11:05:271:02:146:4120:55
6:44
#3785
20K
12.43 mi11:26:511:23:386:4421:24
6:53
#4166
Half
13.11 mi11:31:321:28:196:444:41
6:52
#4241
25K
15.53 mi11:48:401:45:276:4717:08
7:04
#4575
30K
18.64 mi12:11:232:08:106:5322:43
7:19
#4976
20M
20.00 mi12:21:202:18:076:549:57
7:19
#5032
21M
21.00 mi12:29:122:25:596:577:52
7:52
#5100
35K
21.75 mi12:34:342:31:216:585:22
7:10
#5127
23M
23.00 mi12:43:482:40:356:599:14
7:22
#5121
24M
24.00 mi12:51:022:47:497:007:14
7:14
#5100
40K
24.85 mi12:57:242:54:117:006:22
7:27
#5091
25.2M
25.20 mi13:00:072:56:547:012:43
7:53
#5089
Finish
26.22 mi13:07:333:04:207:027:26
7:18
#5117
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3910367136714450(Top 17%)4159(Top 27%)4159(Top 79%)
10K6.21 mi3.10 mi3532+3783335+3363335+3363298(Top 12%)3140(Top 21%)3140(Top 59%)
15K9.32 mi3.11 mi3785-2533572-2373572-2374450(Top 17%)4159(Top 27%)4159(Top 79%)
20K12.43 mi3.11 mi4166-3813909-3373909-3375246(Top 20%)4847(Top 32%)4847(Top 92%)
Half13.11 mi0.68 mi4241-753975-663975-665729(Top 22%)5261(Top 35%)5261(Top 100%)
25K15.53 mi2.42 mi4575-3344272-2974272-2975918(Top 22%)5383(Top 35%)5383(Top 102%)
30K18.64 mi3.11 mi4976-4014625-3534625-3536073(Top 23%)5414(Top 36%)5414(Top 102%)
20M20.00 mi1.36 mi5032-564662-374662-375736(Top 22%)5096(Top 34%)5096(Top 96%)
21M21.00 mi1.00 mi5100-684712-504712-506505(Top 24%)5543(Top 37%)5543(Top 105%)
35K21.75 mi0.75 mi5127-274729-174729-176303(Top 24%)5431(Top 36%)5431(Top 103%)
23M23.00 mi1.25 mi5121+64710+194710+195694(Top 21%)4970(Top 33%)4970(Top 94%)
24M24.00 mi1.00 mi5100+214688+224688+225911(Top 22%)5041(Top 33%)5041(Top 95%)
40K24.85 mi0.85 mi5091+94681+74681+76325(Top 24%)5224(Top 34%)5224(Top 99%)
25.2M25.20 mi0.35 mi5089+24676+54676+55736(Top 22%)4756(Top 31%)4756(Top 90%)
Finish26.22 mi1.02 mi5117-284690-144690-147049(Top 26%)5588(Top 37%)5588(Top 106%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4450

Males

4159

M18-39

4159

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3298

Males

3140

M18-39

3140

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4450

Males

4159

M18-39

4159

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5246

Males

4847

M18-39

4847

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

5729

Males

5261

M18-39

5261

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

5918

Males

5383

M18-39

5383

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6073

Males

5414

M18-39

5414

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5736

Males

5096

M18-39

5096

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6505

Males

5543

M18-39

5543

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6303

Males

5431

M18-39

5431

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5694

Males

4970

M18-39

4970

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

5911

Males

5041

M18-39

5041

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6325

Males

5224

M18-39

5224

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5736

Males

4756

M18-39

4756

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

7049

Males

5588

M18-39

5588

Passing Analysis

Category:
Athletes Passed
950
Passed By
2157
Net Change
-1207
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3910
5K → 10K45577+378#3910#3532
10K → 15K43296-253#3532#3785
15K → 20K26407-381#3785#4166
20K → Half479-75#4166#4241
Half → 25K35369-334#4241#4575
25K → 30K46447-401#4575#4976
30K → 20M49105-56#4976#5032
20M → 21M41109-68#5032#5100
21M → 35K2956-27#5100#5127
35K → 23M6660+6#5127#5121
23M → 24M5736+21#5121#5100
24M → 40K4536+9#5100#5091
40K → 25.2M2119+2#5091#5089
25.2M → Finish3361-28#5089#5117
TOTALS9502157-1207
📊

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