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BOSTON MARATHON 2023

Luis Gerardo Gonzalez Castro

Bib: 2448•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 26%
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
21:42
Rank: #6154
Start → 5K
21:42 | 6:59/mi
10K· 6.21 mi
42:33
Rank: #5389 (+765)
5K → 10K
20:51 | 6:43/mi
15K· 9.32 mi
1:02:55
Rank: #4511 (+878)
10K → 15K
20:22 | 6:33/mi
20K· 12.43 mi
1:23:09
Rank: #3773 (+738)
15K → 20K
20:14 | 6:31/mi
Half· 13.11 mi
1:27:35
Rank: #3713 (+60)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:43:45
Rank: #3586 (+127)
Half → 25K
16:10 | 6:40/mi
30K· 18.64 mi
2:05:46
Rank: #3821 (-235)
25K → 30K
22:01 | 7:05/mi
20M
2:15:47
Rank: #4049 (-228)
30K → 20M
10:01 | 7:22/mi
21M
2:23:34
Rank: #4191 (-142)
20M → 21M
7:47 | 7:47/mi
35K· 21.75 mi
2:28:46
Rank: #4219 (-28)
21M → 35K
5:12 | 6:57/mi
23M
2:37:46
Rank: #4254 (-35)
35K → 23M
9:00 | 7:11/mi
24M
2:44:38
Rank: #4275 (-21)
23M → 24M
6:52 | 6:52/mi
40K· 24.85 mi
2:50:36
Rank: #4224 (+51)
24M → 40K
5:58 | 6:59/mi
25.2M
2:53:08
Rank: #4203 (+21)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:59:56
Rank: #4172 (+31)
25.2M → Finish
6:48 | 6:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:35
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:32:21
Pace7:03 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3421:426:5921:42
6:59
-
10K
6.21 mi10:43:2542:336:5120:51
6:43
-0:16
15K
9.32 mi11:03:471:02:556:4520:22
6:33
-0:10
20K
12.43 mi11:24:011:23:096:4120:14
6:31
-0:02
Half
13.11 mi11:28:271:27:356:414:26
6:30
-0:01
25K
15.53 mi11:44:371:43:456:4116:10
6:40
+0:10
30K
18.64 mi12:06:382:05:466:4522:01
7:05
+0:25
20M
20.00 mi12:16:392:15:476:4710:01
7:22
+0:17
21M
21.00 mi12:24:262:23:346:507:47
7:47
+0:25
35K
21.75 mi12:29:382:28:466:505:12
6:57
-0:50
23M
23.00 mi12:38:382:37:466:529:00
7:11
+0:14
24M
24.00 mi12:45:302:44:386:526:52
6:52
-0:19
40K
24.85 mi12:51:282:50:366:525:58
6:59
+0:07
25.2M
25.20 mi12:54:002:53:086:522:32
7:21
+0:22
Finish
26.22 mi13:00:482:59:566:526:48
6:40
-0:41

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

6:30 /mi

Average Pace

6:52 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:36

84% of race

Time at Steady Pace

21:33

12% of race

Time at Slower Pace

7:47

4% of race

Average Pace: 6:52 /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 mi10:22:3421:426:5921:42
6:59
#6154
10K
6.21 mi10:43:2542:336:5120:51
6:43
#5389
15K
9.32 mi11:03:471:02:556:4520:22
6:33
#4511
20K
12.43 mi11:24:011:23:096:4120:14
6:31
#3773
Half
13.11 mi11:28:271:27:356:414:26
6:30
#3713
25K
15.53 mi11:44:371:43:456:4116:10
6:40
#3586
30K
18.64 mi12:06:382:05:466:4522:01
7:05
#3821
20M
20.00 mi12:16:392:15:476:4710:01
7:22
#4049
21M
21.00 mi12:24:262:23:346:507:47
7:47
#4191
35K
21.75 mi12:29:382:28:466:505:12
6:57
#4219
23M
23.00 mi12:38:382:37:466:529:00
7:11
#4254
24M
24.00 mi12:45:302:44:386:526:52
6:52
#4275
40K
24.85 mi12:51:282:50:366:525:58
6:59
#4224
25.2M
25.20 mi12:54:002:53:086:522:32
7:21
#4203
Finish
26.22 mi13:00:482:59:566:526:48
6:40
#4172
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6154561956192970(Top 11%)2836(Top 19%)2836(Top 54%)
10K6.21 mi3.10 mi5389+7654978+6414978+6414437(Top 17%)4148(Top 27%)4148(Top 78%)
15K9.32 mi3.11 mi4511+8784215+7634215+7632970(Top 11%)2836(Top 19%)2836(Top 54%)
20K12.43 mi3.11 mi3773+7383564+6513564+6512363(Top 9%)2265(Top 15%)2265(Top 43%)
Half13.11 mi0.68 mi3713+603510+543510+542834(Top 11%)2718(Top 18%)2718(Top 51%)
25K15.53 mi2.42 mi3586+1273394+1163394+1163141(Top 12%)2996(Top 20%)2996(Top 57%)
30K18.64 mi3.11 mi3821-2353603-2093603-2094846(Top 18%)4461(Top 29%)4461(Top 84%)
20M20.00 mi1.36 mi4049-2283806-2033806-2036001(Top 23%)5286(Top 35%)5286(Top 100%)
21M21.00 mi1.00 mi4191-1423925-1193925-1196050(Top 23%)5219(Top 34%)5219(Top 99%)
35K21.75 mi0.75 mi4219-283948-233948-235030(Top 19%)4505(Top 30%)4505(Top 85%)
23M23.00 mi1.25 mi4254-353981-333981-334723(Top 18%)4252(Top 28%)4252(Top 80%)
24M24.00 mi1.00 mi4275-214000-194000-194009(Top 15%)3657(Top 24%)3657(Top 69%)
40K24.85 mi0.85 mi4224+513951+493951+493729(Top 14%)3370(Top 22%)3370(Top 64%)
25.2M25.20 mi0.35 mi4203+213933+183933+183183(Top 12%)2906(Top 19%)2906(Top 55%)
Finish26.22 mi1.02 mi4172+313900+333900+333364(Top 13%)3022(Top 20%)3022(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

2970

Males

2836

M18-39

2836

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4437

Males

4148

M18-39

4148

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

2970

Males

2836

M18-39

2836

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2363

Males

2265

M18-39

2265

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2834

Males

2718

M18-39

2718

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3141

Males

2996

M18-39

2996

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4846

Males

4461

M18-39

4461

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6001

Males

5286

M18-39

5286

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6050

Males

5219

M18-39

5219

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5030

Males

4505

M18-39

4505

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4723

Males

4252

M18-39

4252

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4009

Males

3657

M18-39

3657

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3729

Males

3370

M18-39

3370

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3183

Males

2906

M18-39

2906

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3364

Males

3022

M18-39

3022

Passing Analysis

Category:
Athletes Passed
2993
Passed By
1011
Net Change
+1982
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6154
5K → 10K78722+765#6154#5389
10K → 15K8780+878#5389#4511
15K → 20K7380+738#4511#3773
20K → Half622+60#3773#3713
Half → 25K14619+127#3713#3586
25K → 30K46281-235#3586#3821
30K → 20M17245-228#3821#4049
20M → 21M37179-142#4049#4191
21M → 35K2351-28#4191#4219
35K → 23M5994-35#4219#4254
23M → 24M4061-21#4254#4275
24M → 40K7221+51#4275#4224
40K → 25.2M309+21#4224#4203
25.2M → Finish5827+31#4203#4172
TOTALS29931011+1982
📊

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