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BOSTON MARATHON 2023

Daniel Salazar

Bib: 4312•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Division (M18-39)
#0 / 5285
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:04
Rank: #978
Start → 5K
19:04 | 6:08/mi
10K· 6.21 mi
37:51
Rank: #947 (+31)
5K → 10K
18:47 | 6:03/mi
15K· 9.32 mi
56:45
Rank: #933 (+14)
10K → 15K
18:54 | 6:05/mi
20K· 12.43 mi
1:15:21
Rank: #806 (+127)
15K → 20K
18:36 | 5:59/mi
Half· 13.11 mi
1:19:26
Rank: #799 (+7)
20K → Half
4:05 | 5:59/mi
25K· 15.53 mi
1:33:46
Rank: #715 (+84)
Half → 25K
14:20 | 5:55/mi
30K· 18.64 mi
1:52:27
Rank: #638 (+77)
25K → 30K
18:41 | 6:01/mi
20M
2:00:54
Rank: #632 (+6)
30K → 20M
8:27 | 6:13/mi
21M
2:07:40
Rank: #649 (-17)
20M → 21M
6:46 | 6:46/mi
35K· 21.75 mi
2:12:22
Rank: #663 (-14)
21M → 35K
4:42 | 6:17/mi
23M
2:20:48
Rank: #714 (-51)
35K → 23M
8:26 | 6:44/mi
24M
2:27:23
Rank: #748 (-34)
23M → 24M
6:35 | 6:35/mi
40K· 24.85 mi
2:33:13
Rank: #764 (-16)
24M → 40K
5:50 | 6:49/mi
25.2M
2:35:46
Rank: #781 (-17)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:42:32
Rank: #817 (-36)
25.2M → Finish
6:46 | 6:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:26
Pace6:04 /mi
2nd Half
Distance13.11 mi
Time1:23:06
Pace6:20 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2819:046:0819:04
6:08
-
10K
6.21 mi10:39:1537:516:0518:47
6:03
-0:05
15K
9.32 mi10:58:0956:456:0518:54
6:05
+0:02
20K
12.43 mi11:16:451:15:216:0418:36
5:59
-0:06
Half
13.11 mi11:20:501:19:266:044:05
5:59
0:00
25K
15.53 mi11:35:101:33:466:0214:20
5:55
-0:04
30K
18.64 mi11:53:511:52:276:0218:41
6:01
+0:06
20M
20.00 mi12:02:182:00:546:038:27
6:13
+0:12
21M
21.00 mi12:09:042:07:406:056:46
6:46
+0:33
35K
21.75 mi12:13:462:12:226:054:42
6:17
-0:29
23M
23.00 mi12:22:122:20:486:078:26
6:44
+0:27
24M
24.00 mi12:28:472:27:236:086:35
6:35
-0:09
40K
24.85 mi12:34:372:33:136:105:50
6:49
+0:14
25.2M
25.20 mi12:37:102:35:466:112:33
7:24
+0:35
Finish
26.22 mi12:43:562:42:326:126:46
6:38
-0:46

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

5:55 /mi

Average Pace

6:12 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

37:01

23% of race

Time at Steady Pace

1:28:35

55% of race

Time at Slower Pace

36:56

23% of race

Average Pace: 6:12 /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 mi10:20:2819:046:0819:04
6:08
#978
10K
6.21 mi10:39:1537:516:0518:47
6:03
#947
15K
9.32 mi10:58:0956:456:0518:54
6:05
#933
20K
12.43 mi11:16:451:15:216:0418:36
5:59
#806
Half
13.11 mi11:20:501:19:266:044:05
5:59
#799
25K
15.53 mi11:35:101:33:466:0214:20
5:55
#715
30K
18.64 mi11:53:511:52:276:0218:41
6:01
#638
20M
20.00 mi12:02:182:00:546:038:27
6:13
#632
21M
21.00 mi12:09:042:07:406:056:46
6:46
#649
35K
21.75 mi12:13:462:12:226:054:42
6:17
#663
23M
23.00 mi12:22:122:20:486:078:26
6:44
#714
24M
24.00 mi12:28:472:27:236:086:35
6:35
#748
40K
24.85 mi12:34:372:33:136:105:50
6:49
#764
25.2M
25.20 mi12:37:102:35:466:112:33
7:24
#781
Finish
26.22 mi12:43:562:42:326:126:46
6:38
#817
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi978922922919(Top 3%)871(Top 6%)871(Top 16%)
10K6.21 mi3.10 mi947+31894+28894+28918(Top 3%)869(Top 6%)869(Top 16%)
15K9.32 mi3.11 mi933+14883+11883+11919(Top 3%)871(Top 6%)871(Top 16%)
20K12.43 mi3.11 mi806+127761+122761+122544(Top 2%)504(Top 3%)504(Top 10%)
Half13.11 mi0.68 mi799+7754+7754+7724(Top 3%)683(Top 5%)683(Top 13%)
25K15.53 mi2.42 mi715+84671+83671+83411(Top 2%)381(Top 3%)381(Top 7%)
30K18.64 mi3.11 mi638+77597+74597+74388(Top 1%)357(Top 2%)357(Top 7%)
20M20.00 mi1.36 mi632+6592+5592+5691(Top 3%)654(Top 4%)654(Top 12%)
21M21.00 mi1.00 mi649-17607-15607-151286(Top 5%)1227(Top 8%)1227(Top 23%)
35K21.75 mi0.75 mi663-14621-14621-141482(Top 6%)1406(Top 9%)1406(Top 27%)
23M23.00 mi1.25 mi714-51672-51672-512303(Top 9%)2164(Top 14%)2164(Top 41%)
24M24.00 mi1.00 mi748-34705-33705-332435(Top 9%)2271(Top 15%)2271(Top 43%)
40K24.85 mi0.85 mi764-16722-17722-172896(Top 11%)2663(Top 18%)2663(Top 50%)
25.2M25.20 mi0.35 mi781-17738-16738-163293(Top 12%)2976(Top 20%)2976(Top 56%)
Finish26.22 mi1.02 mi817-36773-35773-353160(Top 12%)2837(Top 19%)2837(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

919

Males

871

M18-39

871

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

918

Males

869

M18-39

869

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

919

Males

871

M18-39

871

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

544

Males

504

M18-39

504

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

724

Males

683

M18-39

683

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

411

Males

381

M18-39

381

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

388

Males

357

M18-39

357

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

691

Males

654

M18-39

654

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1286

Males

1227

M18-39

1227

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1482

Males

1406

M18-39

1406

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2303

Males

2164

M18-39

2164

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2435

Males

2271

M18-39

2271

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2896

Males

2663

M18-39

2663

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3293

Males

2976

M18-39

2976

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3160

Males

2837

M18-39

2837

Passing Analysis

Category:
Athletes Passed
446
Passed By
285
Net Change
+161
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#978
5K → 10K6332+31#978#947
10K → 15K3824+14#947#933
15K → 20K1292+127#933#806
20K → Half70+7#806#799
Half → 25K840+84#799#715
25K → 30K803+77#715#638
30K → 20M137+6#638#632
20M → 21M623-17#632#649
21M → 35K115-14#649#663
35K → 23M758-51#663#714
23M → 24M640-34#714#748
24M → 40K521-16#748#764
40K → 25.2M219-17#764#781
25.2M → Finish541-36#781#817
TOTALS446285+161
📊

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