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BOSTON MARATHON 2023

Cynthia San-José

Bib: 17434•F

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 46%
Masters (Masters Women)
#0 / 6539
Top 34%
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:11
Rank: #12231
Start → 5K
7:47/mi
24:11 split
10K· 6.21 mi
49:04
Rank: #13573 (-1342)
5K → 10K
8:01/mi
24:53 split
15K· 9.32 mi
1:14:29
Rank: #14304 (-731)
10K → 15K
8:11/mi
25:25 split
20K· 12.43 mi
1:40:41
Rank: #14879 (-575)
15K → 20K
8:26/mi
26:12 split
Half· 13.11 mi
1:46:27
Rank: #15016 (-137)
20K → Half
8:27/mi
5:46 split
25K· 15.53 mi
2:08:57
Rank: #16040 (-1024)
Half → 25K
9:17/mi
22:30 split
30K· 18.64 mi
2:36:52
Rank: #16244 (-204)
25K → 30K
8:59/mi
27:55 split
20M
2:48:58
Rank: #16208 (+36)
30K → 20M
8:54/mi
12:06 split
21M
2:58:31
Rank: #16203 (+5)
20M → 21M
9:33/mi
9:33 split
35K· 21.75 mi
3:04:47
Rank: #16115 (+88)
21M → 35K
8:23/mi
6:16 split
23M
3:15:25
Rank: #15938 (+177)
35K → 23M
8:30/mi
10:38 split
24M
3:23:37
Rank: #15772 (+166)
23M → 24M
8:12/mi
8:12 split
40K· 24.85 mi
3:30:38
Rank: #15614 (+158)
24M → 40K
8:12/mi
7:01 split
25.2M
3:33:43
Rank: #15570 (+44)
40K → 25.2M
8:56/mi
3:05 split
Finish· 26.22 mi
3:42:17
Rank: #15510 (+60)
25.2M → Finish
8:24/mi
8:34 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:27
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:55:50
Pace8:50 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:2824:117:4724:11
7:47
-
10K
6.21 mi12:04:2149:047:5424:53
8:01
+0:14
15K
9.32 mi12:29:461:14:297:5925:25
8:11
+0:10
20K
12.43 mi12:55:581:40:418:0626:12
8:26
+0:15
Half
13.11 mi13:01:441:46:278:075:46
8:27
+0:01
25K
15.53 mi13:24:142:08:578:1822:30
9:17
+0:50
30K
18.64 mi13:52:092:36:528:2527:55
8:59
-0:18
20M
20.00 mi14:04:152:48:588:2712:06
8:54
-0:05
21M
21.00 mi14:13:482:58:318:309:33
9:33
+0:39
35K
21.75 mi14:20:043:04:478:306:16
8:23
-1:10
23M
23.00 mi14:30:423:15:258:3010:38
8:30
+0:07
24M
24.00 mi14:38:543:23:378:298:12
8:12
-0:18
40K
24.85 mi14:45:553:30:388:287:01
8:12
0:00
25.2M
25.20 mi14:49:003:33:438:293:05
8:56
+0:44
Finish
26.22 mi14:57:343:42:178:298:34
8:24
-0:32

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

7:47 /mi

Average Pace

8:29 /mi

Slowest Pace

9:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:29

34% of race

Time at Steady Pace

1:12:39

33% of race

Time at Slower Pace

1:15:09

34% of race

Average Pace: 8:29 /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 mi11:39:2824:117:4724:11
7:47
#12231
10K
6.21 mi12:04:2149:047:5424:53
8:01
#13573
15K
9.32 mi12:29:461:14:297:5925:25
8:11
#14304
20K
12.43 mi12:55:581:40:418:0626:12
8:26
#14879
Half
13.11 mi13:01:441:46:278:075:46
8:27
#15016
25K
15.53 mi13:24:142:08:578:1822:30
9:17
#16040
30K
18.64 mi13:52:092:36:528:2527:55
8:59
#16244
20M
20.00 mi14:04:152:48:588:2712:06
8:54
#16208
21M
21.00 mi14:13:482:58:318:309:33
9:33
#16203
35K
21.75 mi14:20:043:04:478:306:16
8:23
#16115
23M
23.00 mi14:30:423:15:258:3010:38
8:30
#15938
24M
24.00 mi14:38:543:23:378:298:12
8:12
#15772
40K
24.85 mi14:45:553:30:388:287:01
8:12
#15614
25.2M
25.20 mi14:49:003:33:438:293:05
8:56
#15570
Finish
26.22 mi14:57:343:42:178:298:34
8:24
#15510
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi122312999299915724(Top 59%)5123(Top 45%)5123(Top 273%)
10K6.21 mi3.10 mi13573-13423787-7883787-78814885(Top 56%)4602(Top 40%)4602(Top 245%)
15K9.32 mi3.11 mi14304-7314238-4514238-45115724(Top 59%)5123(Top 45%)5123(Top 273%)
20K12.43 mi3.11 mi14879-5754605-3674605-36716451(Top 62%)5615(Top 49%)5615(Top 299%)
Half13.11 mi0.68 mi15016-1374694-894694-8917468(Top 66%)6151(Top 54%)6151(Top 328%)
25K15.53 mi2.42 mi16040-10245359-6655359-66520133(Top 76%)7772(Top 68%)7772(Top 414%)
30K18.64 mi3.11 mi16244-2045532-1735532-17317090(Top 64%)6118(Top 54%)6118(Top 326%)
20M20.00 mi1.36 mi16208+365522+105522+1016033(Top 60%)5589(Top 49%)5589(Top 298%)
21M21.00 mi1.00 mi16203+55543-215543-2116218(Top 61%)5746(Top 50%)5746(Top 306%)
35K21.75 mi0.75 mi16115+885506+375506+3714617(Top 55%)4899(Top 43%)4899(Top 261%)
23M23.00 mi1.25 mi15938+1775425+815425+8113212(Top 50%)4197(Top 37%)4197(Top 223%)
24M24.00 mi1.00 mi15772+1665347+785347+7812656(Top 48%)3956(Top 35%)3956(Top 211%)
40K24.85 mi0.85 mi15614+1585254+935254+9311465(Top 43%)3413(Top 30%)3413(Top 182%)
25.2M25.20 mi0.35 mi15570+445231+235231+2312282(Top 46%)3895(Top 34%)3895(Top 207%)
Finish26.22 mi1.02 mi15510+605214+175214+1714810(Top 56%)5159(Top 45%)5159(Top 275%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

15724

Females

5123

F40-44

5123

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

14885

Females

4602

F40-44

4602

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

15724

Females

5123

F40-44

5123

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

16451

Females

5615

F40-44

5615

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

17468

Females

6151

F40-44

6151

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

20133

Females

7772

F40-44

7772

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

17090

Females

6118

F40-44

6118

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

16033

Females

5589

F40-44

5589

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16218

Females

5746

F40-44

5746

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

14617

Females

4899

F40-44

4899

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

13212

Females

4197

F40-44

4197

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

12656

Females

3956

F40-44

3956

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11465

Females

3413

F40-44

3413

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12282

Females

3895

F40-44

3895

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

14810

Females

5159

F40-44

5159

Passing Analysis

Category:
Athletes Passed
1246
Passed By
4525
Net Change
-3279
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12231
5K → 10K381380-1342#12231#13573
10K → 15K32763-731#13573#14304
15K → 20K68643-575#14304#14879
20K → Half14151-137#14879#15016
Half → 25K131037-1024#15016#16040
25K → 30K125329-204#16040#16244
30K → 20M9660+36#16244#16208
20M → 21M8782+5#16208#16203
21M → 35K9810+88#16203#16115
35K → 23M19316+177#16115#15938
23M → 24M17711+166#15938#15772
24M → 40K1624+158#15772#15614
40K → 25.2M506+44#15614#15570
25.2M → Finish9333+60#15570#15510
TOTALS12464525-3279
📊

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