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BOSTON MARATHON 2023

Andrew San Juan

Bib: 4564•M

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0:00
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
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
23:38
Rank: #10594
Start → 5K
23:38 | 7:36/mi
10K· 6.21 mi
47:54
Rank: #11891 (-1297)
5K → 10K
24:16 | 7:49/mi
15K· 9.32 mi
1:12:43
Rank: #12696 (-805)
10K → 15K
24:49 | 7:59/mi
20K· 12.43 mi
1:38:01
Rank: #13202 (-506)
15K → 20K
25:18 | 8:09/mi
Half· 13.11 mi
1:43:26
Rank: #13227 (-25)
20K → Half
5:25 | 7:56/mi
25K· 15.53 mi
2:03:39
Rank: #13544 (-317)
Half → 25K
20:13 | 8:20/mi
30K· 18.64 mi
2:30:35
Rank: #13921 (-377)
25K → 30K
26:56 | 8:40/mi
20M
2:42:26
Rank: #14016 (-95)
30K → 20M
11:51 | 8:43/mi
21M
2:51:37
Rank: #14004 (+12)
20M → 21M
9:11 | 9:11/mi
35K· 21.75 mi
2:58:03
Rank: #14064 (-60)
21M → 35K
6:26 | 8:36/mi
23M
3:09:06
Rank: #14107 (-43)
35K → 23M
11:03 | 8:50/mi
24M
3:17:52
Rank: #14202 (-95)
23M → 24M
8:46 | 8:46/mi
40K· 24.85 mi
3:25:23
Rank: #14231 (-29)
24M → 40K
7:31 | 8:47/mi
25.2M
3:28:37
Rank: #14228 (+3)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:37:13
Rank: #14243 (-15)
25.2M → Finish
8:36 | 8:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:26
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:53:47
Pace8:41 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:5023:387:3623:38
7:36
-
10K
6.21 mi10:50:0647:547:4324:16
7:49
+0:13
15K
9.32 mi11:14:551:12:437:4824:49
7:59
+0:10
20K
12.43 mi11:40:131:38:017:5325:18
8:09
+0:10
Half
13.11 mi11:45:381:43:267:535:25
7:56
-0:13
25K
15.53 mi12:05:512:03:397:5820:13
8:20
+0:24
30K
18.64 mi12:32:472:30:358:0526:56
8:40
+0:20
20M
20.00 mi12:44:382:42:268:0711:51
8:43
+0:03
21M
21.00 mi12:53:492:51:378:109:11
9:11
+0:28
35K
21.75 mi13:00:152:58:038:116:26
8:36
-0:35
23M
23.00 mi13:11:183:09:068:1311:03
8:50
+0:14
24M
24.00 mi13:20:043:17:528:158:46
8:46
-0:04
40K
24.85 mi13:27:353:25:238:167:31
8:47
+0:01
25.2M
25.20 mi13:30:493:28:378:173:14
9:23
+0:36
Finish
26.22 mi13:39:253:37:138:178:36
8:26
-0:57

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

7:36 /mi

Average Pace

8:17 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:39

57% of race

Time at Steady Pace

1:21:09

37% of race

Time at Slower Pace

12:25

6% of race

Average Pace: 8:17 /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 mi10:25:5023:387:3623:38
7:36
#10594
10K
6.21 mi10:50:0647:547:4324:16
7:49
#11891
15K
9.32 mi11:14:551:12:437:4824:49
7:59
#12696
20K
12.43 mi11:40:131:38:017:5325:18
8:09
#13202
Half
13.11 mi11:45:381:43:267:535:25
7:56
#13227
25K
15.53 mi12:05:512:03:397:5820:13
8:20
#13544
30K
18.64 mi12:32:472:30:358:0526:56
8:40
#13921
20M
20.00 mi12:44:382:42:268:0711:51
8:43
#14016
21M
21.00 mi12:53:492:51:378:109:11
9:11
#14004
35K
21.75 mi13:00:152:58:038:116:26
8:36
#14064
23M
23.00 mi13:11:183:09:068:1311:03
8:50
#14107
24M
24.00 mi13:20:043:17:528:158:46
8:46
#14202
40K
24.85 mi13:27:353:25:238:167:31
8:47
#14231
25.2M
25.20 mi13:30:493:28:378:173:14
9:23
#14228
Finish
26.22 mi13:39:253:37:138:178:36
8:26
#14243
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi105948452845214276(Top 54%)10016(Top 66%)10016(Top 190%)
10K6.21 mi3.10 mi11891-12979064-6129064-61213210(Top 50%)9637(Top 64%)9637(Top 182%)
15K9.32 mi3.11 mi12696-8059398-3349398-33414276(Top 54%)10016(Top 66%)10016(Top 190%)
20K12.43 mi3.11 mi13202-5069578-1809578-18014534(Top 55%)10091(Top 66%)10091(Top 191%)
Half13.11 mi0.68 mi13227-259592-149592-1413851(Top 52%)9845(Top 65%)9845(Top 186%)
25K15.53 mi2.42 mi13544-3179697-1059697-10515168(Top 57%)10200(Top 67%)10200(Top 193%)
30K18.64 mi3.11 mi13921-3779810-1139810-11315312(Top 58%)10174(Top 67%)10174(Top 193%)
20M20.00 mi1.36 mi14016-959825-159825-1514957(Top 56%)9967(Top 66%)9967(Top 189%)
21M21.00 mi1.00 mi14004+129799+269799+2614377(Top 54%)9659(Top 64%)9659(Top 183%)
35K21.75 mi0.75 mi14064-609808-99808-915814(Top 59%)10205(Top 67%)10205(Top 193%)
23M23.00 mi1.25 mi14107-439797+119797+1115108(Top 57%)9845(Top 65%)9845(Top 186%)
24M24.00 mi1.00 mi14202-959812-159812-1516002(Top 60%)10170(Top 67%)10170(Top 192%)
40K24.85 mi0.85 mi14231-299802+109802+1015018(Top 56%)9691(Top 64%)9691(Top 183%)
25.2M25.20 mi0.35 mi14228+39786+169786+1614512(Top 55%)9468(Top 62%)9468(Top 179%)
Finish26.22 mi1.02 mi14243-159771+159771+1514977(Top 56%)9719(Top 64%)9719(Top 184%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

14276

Males

10016

M18-39

10016

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

13210

Males

9637

M18-39

9637

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

14276

Males

10016

M18-39

10016

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

14534

Males

10091

M18-39

10091

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

13851

Males

9845

M18-39

9845

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

15168

Males

10200

M18-39

10200

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

15312

Males

10174

M18-39

10174

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

14957

Males

9967

M18-39

9967

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14377

Males

9659

M18-39

9659

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

15814

Males

10205

M18-39

10205

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

15108

Males

9845

M18-39

9845

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

16002

Males

10170

M18-39

10170

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15018

Males

9691

M18-39

9691

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14512

Males

9468

M18-39

9468

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

14977

Males

9719

M18-39

9719

Passing Analysis

Category:
Athletes Passed
776
Passed By
4425
Net Change
-3649
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10594
5K → 10K421339-1297#10594#11891
10K → 15K33838-805#11891#12696
15K → 20K68574-506#12696#13202
20K → Half2348-25#13202#13227
Half → 25K66383-317#13227#13544
25K → 30K93470-377#13544#13921
30K → 20M66161-95#13921#14016
20M → 21M9684+12#14016#14004
21M → 35K3191-60#14004#14064
35K → 23M75118-43#14064#14107
23M → 24M38133-95#14107#14202
24M → 40K5584-29#14202#14231
40K → 25.2M2825+3#14231#14228
25.2M → Finish6277-15#14228#14243
TOTALS7764425-3649
📊

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