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BOSTON MARATHON 2023

Carlos Sánchez Hernández

Bib: 3652•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 17%
Division (M18-39)
#0 / 5285
Top 37%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:11
Rank: #2271
Start → 5K
20:11 | 6:30/mi
10K· 6.21 mi
40:40
Rank: #2775 (-504)
5K → 10K
20:29 | 6:36/mi
15K· 9.32 mi
1:01:09
Rank: #2907 (-132)
10K → 15K
20:29 | 6:36/mi
20K· 12.43 mi
1:21:49
Rank: #2954 (-47)
15K → 20K
20:40 | 6:39/mi
Half· 13.11 mi
1:26:21
Rank: #3007 (-53)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:42:44
Rank: #3092 (-85)
Half → 25K
16:23 | 6:45/mi
30K· 18.64 mi
2:04:32
Rank: #3284 (-192)
25K → 30K
21:48 | 7:01/mi
20M
2:14:04
Rank: #3313 (-29)
30K → 20M
9:32 | 7:01/mi
21M
2:21:05
Rank: #3213 (+100)
20M → 21M
7:01 | 7:01/mi
35K· 21.75 mi
2:25:51
Rank: #3136 (+77)
21M → 35K
4:46 | 6:22/mi
23M
2:34:05
Rank: #2995 (+141)
35K → 23M
8:14 | 6:35/mi
24M
2:40:31
Rank: #2900 (+95)
23M → 24M
6:26 | 6:26/mi
40K· 24.85 mi
2:46:08
Rank: #2810 (+90)
24M → 40K
5:37 | 6:34/mi
25.2M
2:48:32
Rank: #2768 (+42)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:54:54
Rank: #2672 (+96)
25.2M → Finish
6:22 | 6:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:21
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:28:33
Pace6:45 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2120:116:3020:11
6:30
-
10K
6.21 mi10:41:5040:406:3320:29
6:36
+0:06
15K
9.32 mi11:02:191:01:096:3420:29
6:36
0:00
20K
12.43 mi11:22:591:21:496:3520:40
6:39
+0:03
Half
13.11 mi11:27:311:26:216:354:32
6:39
0:00
25K
15.53 mi11:43:541:42:446:3716:23
6:45
+0:06
30K
18.64 mi12:05:422:04:326:4121:48
7:01
+0:16
20M
20.00 mi12:15:142:14:046:429:32
7:01
0:00
21M
21.00 mi12:22:152:21:056:437:01
7:01
0:00
35K
21.75 mi12:27:012:25:516:424:46
6:22
-0:39
23M
23.00 mi12:35:152:34:056:428:14
6:35
+0:13
24M
24.00 mi12:41:412:40:316:416:26
6:26
-0:09
40K
24.85 mi12:47:182:46:086:415:37
6:34
+0:08
25.2M
25.20 mi12:49:422:48:326:412:24
6:58
+0:24
Finish
26.22 mi12:56:042:54:546:416:22
6:15
-0:43

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

6:15 /mi

Average Pace

6:41 /mi

Slowest Pace

7:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:09

77% of race

Time at Steady Pace

40:45

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:40 /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 mi10:21:2120:116:3020:11
6:30
#2271
10K
6.21 mi10:41:5040:406:3320:29
6:36
#2775
15K
9.32 mi11:02:191:01:096:3420:29
6:36
#2907
20K
12.43 mi11:22:591:21:496:3520:40
6:39
#2954
Half
13.11 mi11:27:311:26:216:354:32
6:39
#3007
25K
15.53 mi11:43:541:42:446:3716:23
6:45
#3092
30K
18.64 mi12:05:422:04:326:4121:48
7:01
#3284
20M
20.00 mi12:15:142:14:046:429:32
7:01
#3313
21M
21.00 mi12:22:152:21:056:437:01
7:01
#3213
35K
21.75 mi12:27:012:25:516:424:46
6:22
#3136
23M
23.00 mi12:35:152:34:056:428:14
6:35
#2995
24M
24.00 mi12:41:412:40:316:416:26
6:26
#2900
40K
24.85 mi12:47:182:46:086:415:37
6:34
#2810
25.2M
25.20 mi12:49:422:48:326:412:24
6:58
#2768
Finish
26.22 mi12:56:042:54:546:416:22
6:15
#2672
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2271216521653256(Top 12%)3091(Top 20%)3091(Top 58%)
10K6.21 mi3.10 mi2775-5042645-4802645-4803469(Top 13%)3285(Top 22%)3285(Top 62%)
15K9.32 mi3.11 mi2907-1322771-1262771-1263256(Top 12%)3091(Top 20%)3091(Top 58%)
20K12.43 mi3.11 mi2954-472820-492820-493177(Top 12%)3018(Top 20%)3018(Top 57%)
Half13.11 mi0.68 mi3007-532870-502870-503941(Top 15%)3693(Top 24%)3693(Top 70%)
25K15.53 mi2.42 mi3092-852947-772947-773818(Top 14%)3590(Top 24%)3590(Top 68%)
30K18.64 mi3.11 mi3284-1923121-1743121-1744439(Top 17%)4116(Top 27%)4116(Top 78%)
20M20.00 mi1.36 mi3313-293139-183139-184154(Top 16%)3833(Top 25%)3833(Top 73%)
21M21.00 mi1.00 mi3213+1003047+923047+922175(Top 8%)2053(Top 14%)2053(Top 39%)
35K21.75 mi0.75 mi3136+772975+722975+721899(Top 7%)1803(Top 12%)1803(Top 34%)
23M23.00 mi1.25 mi2995+1412847+1282847+1281717(Top 6%)1627(Top 11%)1627(Top 31%)
24M24.00 mi1.00 mi2900+952756+912756+911854(Top 7%)1740(Top 11%)1740(Top 33%)
40K24.85 mi0.85 mi2810+902671+852671+851832(Top 7%)1723(Top 11%)1723(Top 33%)
25.2M25.20 mi0.35 mi2768+422630+412630+411699(Top 6%)1592(Top 10%)1592(Top 30%)
Finish26.22 mi1.02 mi2672+962545+852545+851462(Top 5%)1381(Top 9%)1381(Top 26%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3256

Males

3091

M18-39

3091

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3469

Males

3285

M18-39

3285

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3256

Males

3091

M18-39

3091

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3177

Males

3018

M18-39

3018

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3941

Males

3693

M18-39

3693

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3818

Males

3590

M18-39

3590

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4439

Males

4116

M18-39

4116

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4154

Males

3833

M18-39

3833

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2175

Males

2053

M18-39

2053

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1899

Males

1803

M18-39

1803

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1717

Males

1627

M18-39

1627

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1854

Males

1740

M18-39

1740

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1832

Males

1723

M18-39

1723

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1699

Males

1592

M18-39

1592

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1462

Males

1381

M18-39

1381

Passing Analysis

Category:
Athletes Passed
937
Passed By
1338
Net Change
-401
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2271
5K → 10K20524-504#2271#2775
10K → 15K53185-132#2775#2907
15K → 20K53100-47#2907#2954
20K → Half659-53#2954#3007
Half → 25K40125-85#3007#3092
25K → 30K39231-192#3092#3284
30K → 20M5685-29#3284#3313
20M → 21M1077+100#3313#3213
21M → 35K803+77#3213#3136
35K → 23M1498+141#3136#2995
23M → 24M983+95#2995#2900
24M → 40K922+90#2900#2810
40K → 25.2M431+42#2810#2768
25.2M → Finish1015+96#2768#2672
TOTALS9371338-401
📊

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