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BOSTON MARATHON 2023

Sandra Hermosillo

Bib: 19802•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:32
Rank: #21173
Start → 5K
28:32 | 9:11/mi
10K· 6.21 mi
55:28
Rank: #20334 (+839)
5K → 10K
26:56 | 8:40/mi
15K· 9.32 mi
1:22:08
Rank: #19660 (+674)
10K → 15K
26:40 | 8:35/mi
20K· 12.43 mi
1:50:34
Rank: #19848 (-188)
15K → 20K
28:26 | 9:09/mi
Half· 13.11 mi
1:56:32
Rank: #19803 (+45)
20K → Half
5:58 | 8:45/mi
25K· 15.53 mi
2:18:06
Rank: #19576 (+227)
Half → 25K
21:34 | 8:54/mi
30K· 18.64 mi
2:46:35
Rank: #19293 (+283)
25K → 30K
28:29 | 9:10/mi
20M
2:59:07
Rank: #19149 (+144)
30K → 20M
12:32 | 9:13/mi
21M
3:08:55
Rank: #19035 (+114)
20M → 21M
9:48 | 9:48/mi
35K· 21.75 mi
3:15:55
Rank: #19051 (-16)
21M → 35K
7:00 | 9:21/mi
23M
3:27:46
Rank: #18992 (+59)
35K → 23M
11:51 | 9:28/mi
24M
3:37:09
Rank: #18997 (-5)
23M → 24M
9:23 | 9:23/mi
40K· 24.85 mi
3:45:13
Rank: #18970 (+27)
24M → 40K
8:04 | 9:26/mi
25.2M
3:48:34
Rank: #18919 (+51)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:57:46
Rank: #18902 (+17)
25.2M → Finish
9:12 | 9:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:32
Pace8:53 /mi
2nd Half
Distance13.11 mi
Time2:01:14
Pace9:15 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:4028:329:1128:32
9:11
-
10K
6.21 mi12:12:3655:288:5626:56
8:40
-0:31
15K
9.32 mi12:39:161:22:088:4926:40
8:35
-0:05
20K
12.43 mi13:07:421:50:348:5428:26
9:09
+0:34
Half
13.11 mi13:13:401:56:328:535:58
8:45
-0:24
25K
15.53 mi13:35:142:18:068:5321:34
8:54
+0:09
30K
18.64 mi14:03:432:46:358:5628:29
9:10
+0:16
20M
20.00 mi14:16:152:59:078:5712:32
9:13
+0:03
21M
21.00 mi14:26:033:08:559:009:48
9:48
+0:35
35K
21.75 mi14:33:033:15:559:017:00
9:21
-0:27
23M
23.00 mi14:44:543:27:469:0211:51
9:28
+0:07
24M
24.00 mi14:54:173:37:099:039:23
9:23
-0:05
40K
24.85 mi15:02:213:45:139:048:04
9:26
+0:03
25.2M
25.20 mi15:05:423:48:349:043:21
9:43
+0:17
Finish
26.22 mi15:14:543:57:469:059:12
9:02
-0:41

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

8:35 /mi

Average Pace

9:05 /mi

Slowest Pace

9:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:32:46

89% of race

Time at Steady Pace

25:00

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:04 /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 mi11:45:4028:329:1128:32
9:11
#21173
10K
6.21 mi12:12:3655:288:5626:56
8:40
#20334
15K
9.32 mi12:39:161:22:088:4926:40
8:35
#19660
20K
12.43 mi13:07:421:50:348:5428:26
9:09
#19848
Half
13.11 mi13:13:401:56:328:535:58
8:45
#19803
25K
15.53 mi13:35:142:18:068:5321:34
8:54
#19576
30K
18.64 mi14:03:432:46:358:5628:29
9:10
#19293
20M
20.00 mi14:16:152:59:078:5712:32
9:13
#19149
21M
21.00 mi14:26:033:08:559:009:48
9:48
#19035
35K
21.75 mi14:33:033:15:559:017:00
9:21
#19051
23M
23.00 mi14:44:543:27:469:0211:51
9:28
#18992
24M
24.00 mi14:54:173:37:099:039:23
9:23
#18997
40K
24.85 mi15:02:213:45:139:048:04
9:26
#18970
25.2M
25.20 mi15:05:423:48:349:043:21
9:43
#18919
Finish
26.22 mi15:14:543:57:469:059:12
9:02
#18902
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi211738460846018344(Top 69%)6703(Top 59%)6703(Top 369%)
10K6.21 mi3.10 mi20334+8397939+5217939+52119256(Top 72%)7238(Top 63%)7238(Top 398%)
15K9.32 mi3.11 mi19660+6747547+3927547+39218344(Top 69%)6703(Top 59%)6703(Top 369%)
20K12.43 mi3.11 mi19848-1887626-797626-7920370(Top 77%)7882(Top 69%)7882(Top 434%)
Half13.11 mi0.68 mi19803+457601+257601+2519238(Top 72%)7229(Top 63%)7229(Top 398%)
25K15.53 mi2.42 mi19576+2277470+1317470+13118445(Top 69%)6814(Top 60%)6814(Top 375%)
30K18.64 mi3.11 mi19293+2837312+1587312+15818031(Top 68%)6671(Top 58%)6671(Top 367%)
20M20.00 mi1.36 mi19149+1447241+717241+7117684(Top 66%)6573(Top 58%)6573(Top 362%)
21M21.00 mi1.00 mi19035+1147189+527189+5217282(Top 65%)6359(Top 56%)6359(Top 350%)
35K21.75 mi0.75 mi19051-167203-147203-1419382(Top 73%)7590(Top 66%)7590(Top 418%)
23M23.00 mi1.25 mi18992+597177+267177+2618203(Top 68%)6977(Top 61%)6977(Top 384%)
24M24.00 mi1.00 mi18997-57197-207197-2018802(Top 71%)7331(Top 64%)7331(Top 403%)
40K24.85 mi0.85 mi18970+277181+167181+1618122(Top 68%)7008(Top 61%)7008(Top 386%)
25.2M25.20 mi0.35 mi18919+517160+217160+2116272(Top 61%)6039(Top 53%)6039(Top 332%)
Finish26.22 mi1.02 mi18902+177153+77153+718135(Top 68%)6973(Top 61%)6973(Top 384%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

18344

Females

6703

F45-49

6703

5K→10K

3.1 - 6.2 mi

Top 72%
×5stories
+79ft-138ft

Overall

19256

Females

7238

F45-49

7238

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

18344

Females

6703

F45-49

6703

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

20370

Females

7882

F45-49

7882

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

19238

Females

7229

F45-49

7229

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

18445

Females

6814

F45-49

6814

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

18031

Females

6671

F45-49

6671

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

17684

Females

6573

F45-49

6573

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

17282

Females

6359

F45-49

6359

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

19382

Females

7590

F45-49

7590

35K→23M

21.8 - 23.0 mi

Top 68%
×5stories
+23ft-63ft

Overall

18203

Females

6977

F45-49

6977

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

18802

Females

7331

F45-49

7331

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18122

Females

7008

F45-49

7008

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16272

Females

6039

F45-49

6039

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

18135

Females

6973

F45-49

6973

Passing Analysis

Category:
Athletes Passed
2998
Passed By
727
Net Change
+2271
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21173
5K → 10K90263+839#21173#20334
10K → 15K70430+674#20334#19660
15K → 20K102290-188#19660#19848
20K → Half549+45#19848#19803
Half → 25K25023+227#19803#19576
25K → 30K32643+283#19576#19293
30K → 20M15713+144#19293#19149
20M → 21M14127+114#19149#19035
21M → 35K3551-16#19035#19051
35K → 23M10243+59#19051#18992
23M → 24M5964-5#18992#18997
24M → 40K5831+27#18997#18970
40K → 25.2M576+51#18970#18919
25.2M → Finish5134+17#18919#18902
TOTALS2998727+2271
📊

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