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BOSTON MARATHON 2023

David Sanchez

Bib: 21172•M

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 33%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:08
Rank: #19083
Start → 5K
8:44/mi
27:08 split
10K· 6.21 mi
52:39
Rank: #17730 (+1353)
5K → 10K
8:13/mi
25:31 split
15K· 9.32 mi
1:18:14
Rank: #17154 (+576)
10K → 15K
8:14/mi
25:35 split
20K· 12.43 mi
1:44:31
Rank: #17002 (+152)
15K → 20K
8:28/mi
26:17 split
Half· 13.11 mi
1:50:04
Rank: #16914 (+88)
20K → Half
8:08/mi
5:33 split
25K· 15.53 mi
2:09:51
Rank: #16466 (+448)
Half → 25K
8:10/mi
19:47 split
30K· 18.64 mi
2:37:13
Rank: #16374 (+92)
25K → 30K
8:49/mi
27:22 split
20M
2:48:49
Rank: #16167 (+207)
30K → 20M
8:32/mi
11:36 split
21M
2:58:05
Rank: #16054 (+113)
20M → 21M
9:16/mi
9:16 split
35K· 21.75 mi
3:04:08
Rank: #15913 (+141)
21M → 35K
8:05/mi
6:03 split
23M
3:15:04
Rank: #15808 (+105)
35K → 23M
8:44/mi
10:56 split
24M
3:23:14
Rank: #15658 (+150)
23M → 24M
8:10/mi
8:10 split
40K· 24.85 mi
3:30:16
Rank: #15509 (+149)
24M → 40K
8:14/mi
7:02 split
25.2M
3:33:27
Rank: #15478 (+31)
40K → 25.2M
9:14/mi
3:11 split
Finish· 26.22 mi
3:41:33
Rank: #15311 (+167)
25.2M → Finish
7:57/mi
8:06 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:04
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time1:51:29
Pace8:30 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:2727:088:4427:08
8:44
-
10K
6.21 mi11:47:5852:398:2825:31
8:13
-0:31
15K
9.32 mi12:13:331:18:148:2425:35
8:14
+0:01
20K
12.43 mi12:39:501:44:318:2526:17
8:28
+0:14
Half
13.11 mi12:45:231:50:048:245:33
8:08
-0:20
25K
15.53 mi13:05:102:09:518:2219:47
8:10
+0:02
30K
18.64 mi13:32:322:37:138:2627:22
8:49
+0:39
20M
20.00 mi13:44:082:48:498:2611:36
8:32
-0:17
21M
21.00 mi13:53:242:58:058:299:16
9:16
+0:44
35K
21.75 mi13:59:273:04:088:286:03
8:05
-1:11
23M
23.00 mi14:10:233:15:048:2910:56
8:44
+0:39
24M
24.00 mi14:18:333:23:148:288:10
8:10
-0:34
40K
24.85 mi14:25:353:30:168:287:02
8:14
+0:04
25.2M
25.20 mi14:28:463:33:278:283:11
9:14
+1:00
Finish
26.22 mi14:36:523:41:338:278:06
7:57
-1:17

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

7:57 /mi

Average Pace

8:27 /mi

Slowest Pace

9:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:44

82% of race

Time at Steady Pace

39:49

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:27 /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 mi11:22:2727:088:4427:08
8:44
#19083
10K
6.21 mi11:47:5852:398:2825:31
8:13
#17730
15K
9.32 mi12:13:331:18:148:2425:35
8:14
#17154
20K
12.43 mi12:39:501:44:318:2526:17
8:28
#17002
Half
13.11 mi12:45:231:50:048:245:33
8:08
#16914
25K
15.53 mi13:05:102:09:518:2219:47
8:10
#16466
30K
18.64 mi13:32:322:37:138:2627:22
8:49
#16374
20M
20.00 mi13:44:082:48:498:2611:36
8:32
#16167
21M
21.00 mi13:53:242:58:058:299:16
9:16
#16054
35K
21.75 mi13:59:273:04:088:286:03
8:05
#15913
23M
23.00 mi14:10:233:15:048:2910:56
8:44
#15808
24M
24.00 mi14:18:333:23:148:288:10
8:10
#15658
40K
24.85 mi14:25:353:30:168:287:02
8:14
#15509
25.2M
25.20 mi14:28:463:33:278:283:11
9:14
#15478
Finish
26.22 mi14:36:523:41:338:278:06
7:57
#15311
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi19083118091180916099(Top 60%)10727(Top 71%)10727(Top 966%)
10K6.21 mi3.10 mi17730+135311344+46511344+46516336(Top 61%)10841(Top 71%)10841(Top 977%)
15K9.32 mi3.11 mi17154+57611130+21411130+21416099(Top 60%)10727(Top 71%)10727(Top 966%)
20K12.43 mi3.11 mi17002+15211052+7811052+7816592(Top 62%)10867(Top 72%)10867(Top 979%)
Half13.11 mi0.68 mi16914+8811018+3411018+3415307(Top 57%)10419(Top 69%)10419(Top 939%)
25K15.53 mi2.42 mi16466+44810827+19110827+19113936(Top 52%)9746(Top 64%)9746(Top 878%)
30K18.64 mi3.11 mi16374+9210746+8110746+8116105(Top 60%)10521(Top 69%)10521(Top 948%)
20M20.00 mi1.36 mi16167+20710649+9710649+9713842(Top 52%)9507(Top 63%)9507(Top 856%)
21M21.00 mi1.00 mi16054+11310586+6310586+6314789(Top 56%)9848(Top 65%)9848(Top 887%)
35K21.75 mi0.75 mi15913+14110514+7210514+7212708(Top 48%)8872(Top 58%)8872(Top 799%)
23M23.00 mi1.25 mi15808+10510442+7210442+7214578(Top 55%)9619(Top 63%)9619(Top 867%)
24M24.00 mi1.00 mi15658+15010361+8110361+8112374(Top 46%)8585(Top 57%)8585(Top 773%)
40K24.85 mi0.85 mi15509+14910292+6910292+6911536(Top 43%)8102(Top 53%)8102(Top 730%)
25.2M25.20 mi0.35 mi15478+3110280+1210280+1213763(Top 52%)9131(Top 60%)9131(Top 823%)
Finish26.22 mi1.02 mi15311+16710204+7610204+7611725(Top 44%)8158(Top 54%)8158(Top 735%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

16099

Males

10727

M60-64

10727

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

16336

Males

10841

M60-64

10841

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

16099

Males

10727

M60-64

10727

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

16592

Males

10867

M60-64

10867

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

15307

Males

10419

M60-64

10419

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13936

Males

9746

M60-64

9746

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

16105

Males

10521

M60-64

10521

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13842

Males

9507

M60-64

9507

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

14789

Males

9848

M60-64

9848

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12708

Males

8872

M60-64

8872

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

14578

Males

9619

M60-64

9619

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

12374

Males

8585

M60-64

8585

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11536

Males

8102

M60-64

8102

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13763

Males

9131

M60-64

9131

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

11725

Males

8158

M60-64

8158

Passing Analysis

Category:
Athletes Passed
4229
Passed By
457
Net Change
+3772
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19083
5K → 10K142370+1353#19083#17730
10K → 15K60428+576#17730#17154
15K → 20K258106+152#17154#17002
20K → Half924+88#17002#16914
Half → 25K4568+448#16914#16466
25K → 30K227135+92#16466#16374
30K → 20M2114+207#16374#16167
20M → 21M13623+113#16167#16054
21M → 35K1432+141#16054#15913
35K → 23M14035+105#15913#15808
23M → 24M16414+150#15808#15658
24M → 40K1534+149#15658#15509
40K → 25.2M4615+31#15509#15478
25.2M → Finish1769+167#15478#15311
TOTALS4229457+3772
📊

Passing Visuals

Category:
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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