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BOSTON MARATHON 2023

Elizabeth Sanchez

Bib: 16805 F MX

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 37%
Gender (Female)
#0 / 11423
Top 18%
Division (F18-39)
#0 / 4884
Top 32%
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
7:48/mi
24:15
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:44/mi
48:17
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:31/mi
1:11:38
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:30/mi
1:34:57
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:36/mi
1:40:08
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:36/mi
1:58:33
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:58/mi
2:23:17
↑ 181↓ 1480.2%
138 ft elev
20M
8:03/mi
2:34:14
↑ 64↓ 500.2%
148 ft elev
21M
8:14/mi
2:42:28
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:44/mi
2:48:15
↑ 17↓ 861.7%
156 ft elev
23M
7:42/mi
2:57:54
↑ 23↓ 630.6%
116 ft elev
24M
7:33/mi
3:05:27
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:40/mi
3:12:00
↓ 200.3%
20 ft elev
25.2M
8:19/mi
3:14:52
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:24/mi
3:22:24
↑ 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
1:40:087:38 /mi⚡ faster
2nd Half
1:42:167:48 /mi+2.1%
Positive split — 2.1% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
24:157:483.11 mi24:15
7:48
-
10K
48:177:463.10 mi24:02
7:44
-0:04
15K
1:11:387:413.11 mi23:21
7:31
-0:13
20K
1:34:577:383.11 mi23:19
7:30
-0:01
Half(13.11 mi)
1:40:087:380.68 mi5:11
7:36
+0:06
25K
1:58:337:382.42 mi18:25
7:36
0:00
30K
2:23:177:413.11 mi24:44
7:58
+0:22
20M
2:34:147:431.36 mi10:57
8:03
+0:05
21M
2:42:287:441.00 mi8:14
8:14
+0:11
35K
2:48:157:440.75 mi5:47
7:44
-0:30
23M
2:57:547:441.25 mi9:39
7:42
-0:02
24M
3:05:277:441.00 mi7:33
7:33
-0:09
40K
3:12:007:430.85 mi6:33
7:40
+0:07
25.2M
3:14:527:440.35 mi2:52
8:19
+0:39
Finish(26.22 mi)
3:22:247:441.02 mi7:32
7:24
-0:55
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:24 /mi

Average Pace

7:44 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:11:18

95% of race

Time at Steady Pace

11:06

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:43 /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 mi12390308930891031719891989
10K3.10 mi12448-583127-383127-381255531753175
15K3.11 mi11663+7852698+4292698+4291031719891989
20K3.11 mi11032+6312345+3532345+353936616331633
Half(13.11 mi)0.68 mi11029+32343+22343+21102923712371
25K2.42 mi10747+2822219+1242219+124952617931793
30K3.11 mi10646+1012224-52224-51058324352435
20M1.36 mi10651-52255-312255-311071525832583
21M1.00 mi10509+1422208+472208+47882418511851
35K0.75 mi10473+362202+62202+61017024392439
23M1.25 mi10282+1912134+682134+68780114991499
24M1.00 mi10154+1282102+322102+32808317161716
40K0.85 mi10035+1192075+272075+27775816651665
25.2M0.35 mi9990+452073+22073+2845720082008
Finish(26.22 mi)1.02 mi9855+1352028+452028+45777817381738

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

10317

Females

1989

F18-39

1989

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12555

Females

3175

F18-39

3175

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

10317

Females

1989

F18-39

1989

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

9366

Females

1633

F18-39

1633

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

11029

Females

2371

F18-39

2371

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9526

Females

1793

F18-39

1793

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

10583

Females

2435

F18-39

2435

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10715

Females

2583

F18-39

2583

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8824

Females

1851

F18-39

1851

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10170

Females

2439

F18-39

2439

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

7801

Females

1499

F18-39

1499

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8083

Females

1716

F18-39

1716

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7758

Females

1665

F18-39

1665

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8457

Females

2008

F18-39

2008

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

7778

Females

1738

F18-39

1738

Passing Analysis

Category:
Passed
3266*
Passed By
731
Net Change
+2535
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12390
5K → 10K294352-58#12390#12448
10K → 15K79914+785#12448#11663
15K → 20K6387+631#11663#11032
20K → Half2724+3#11032#11029
Half → 25K29513+282#11029#10747
25K → 30K226125+101#10747#10646
30K → 20M78*83-5#10646#10651
20M → 21M16119+142#10651#10509
21M → 35K6428+36#10509#10473
35K → 23M20110+191#10473#10282
23M → 24M14315+128#10282#10154
24M → 40K1289+119#10154#10035
40K → 25.2M56*11+45#10035#9990
25.2M → Finish156*21+135#9990#9855
TOTALS3266*731+2535

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

Passing Charts

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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