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BOSTON MARATHON 2023

Lisa Sacerio

NY

Bib: 13493 F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 34%
Gender (Female)
#0 / 11423
Top 15%
Division (F18-39)
#0 / 4884
Top 27%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:47/mi
24:12
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:44/mi
48:14
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:38/mi
1:11:56
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:39/mi
1:35:42
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:36/mi
1:40:53
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:37/mi
1:59:22
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:40/mi
2:23:11
↑ 181↓ 1480.2%
138 ft elev
20M
7:38/mi
2:33:34
↑ 64↓ 500.2%
148 ft elev
21M
7:52/mi
2:41:26
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:18/mi
2:46:54
↑ 17↓ 861.7%
156 ft elev
23M
7:31/mi
2:56:19
↑ 23↓ 630.6%
116 ft elev
24M
7:15/mi
3:03:34
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:15/mi
3:09:46
↓ 200.3%
20 ft elev
25.2M
7:50/mi
3:12:28
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:12/mi
3:19:48
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:40:537:42 /mi+1.9%
2nd Half
1:38:557:33 /mi✓ faster
Negative split — 1.9% faster in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
24:127:473.11 mi24:12
7:47
-
10K
48:147:463.10 mi24:02
7:44
-0:03
15K
1:11:567:433.11 mi23:42
7:38
-0:06
20K
1:35:427:423.11 mi23:46
7:39
+0:01
Half(13.11 mi)
1:40:537:420.68 mi5:11
7:36
-0:03
25K
1:59:227:412.42 mi18:29
7:37
+0:01
30K
2:23:117:413.11 mi23:49
7:40
+0:03
20M
2:33:347:411.36 mi10:23
7:38
-0:02
21M
2:41:267:411.00 mi7:52
7:52
+0:14
35K
2:46:547:400.75 mi5:28
7:18
-0:34
23M
2:56:197:401.25 mi9:25
7:31
+0:13
24M
3:03:347:391.00 mi7:15
7:15
-0:16
40K
3:09:467:380.85 mi6:12
7:15
0:00
25.2M
3:12:287:380.35 mi2:42
7:50
+0:35
Finish(26.22 mi)
3:19:487:381.02 mi7:20
7:12
-0:38
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:12 /mi

Average Pace

7:38 /mi

Slowest Pace

7:52 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

35:40

18% of race

Time at Steady Pace

2:44:08

82% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:37 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi12254300530051124624822482
10K3.10 mi12378-1243089-843089-841255431743174
15K3.11 mi11937+4412854+2352854+2351124624822482
20K3.11 mi11537+4002645+2092645+2091051421462146
Half(13.11 mi)0.68 mi11497+402622+232622+231101123532353
25K2.42 mi11171+3262450+1722450+172974118831883
30K3.11 mi10611+5602212+2382212+238842214751475
20M1.36 mi10391+2202115+972115+97778713231323
21M1.00 mi10120+2712001+1142001+1146588985985
35K0.75 mi9974+1461956+451956+45724112031203
23M1.25 mi9732+2421879+771879+77657410251025
24M1.00 mi9547+1851816+631816+636092940940
40K0.85 mi9335+2121761+551761+555202727727
25.2M0.35 mi9259+761741+201741+205646959959
Finish(26.22 mi)1.02 mi9137+1221706+351706+35644112191219

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11246

Females

2482

F18-39

2482

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12554

Females

3174

F18-39

3174

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11246

Females

2482

F18-39

2482

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

10514

Females

2146

F18-39

2146

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

11011

Females

2353

F18-39

2353

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

9741

Females

1883

F18-39

1883

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

8422

Females

1475

F18-39

1475

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

7787

Females

1323

F18-39

1323

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

6588

Females

985

F18-39

985

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7241

Females

1203

F18-39

1203

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

6574

Females

1025

F18-39

1025

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

6092

Females

940

F18-39

940

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5202

Females

727

F18-39

727

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5646

Females

959

F18-39

959

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6441

Females

1219

F18-39

1219

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#12254
5K → 10K
388264-124
#12254 → #12378
10K → 15K
45486+441
#12378 → #11937
15K → 20K
26426+400
#11937 → #11537
20K → Half
1555+40
#11537 → #11497
Half → 25K
9335+326
#11497 → #11171
25K → 30K
10570+560
#11171 → #10611
30K → 20M
6226*+220
#10611 → #10391
20M → 21M
2273+271
#10391 → #10120
21M → 35K
7153*+146
#10120 → #9974
35K → 23M
5247+242
#9974 → #9732
23M → 24M
3188+185
#9732 → #9547
24M → 40K
0212*+212
#9547 → #9335
40K → 25.2M
278+76
#9335 → #9259
25.2M → Finish
12134+122
#9259 → #9137
TOTALS
5303647*+3117
#12254 → #9137

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

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