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BOSTON MARATHON 2023

Lizzy Wallace

Bib: 17165•F

ON

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0:00
/ mi
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Overall
#0 / 26622
Top 33%
Gender (Female)
#0 / 11423
Top 14%
Division (F18-39)
#0 / 4884
Top 26%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:32/mi
23:25
↑ 97↓ 3451.5%
10K· 6.21 mi
7:32/mi
46:49
↑ 79↓ 1380.4%
15K· 9.32 mi
7:29/mi
1:10:05
↑ 67↓ 78
20K· 12.43 mi
7:31/mi
1:33:26
↑ 106↓ 860.1%
Half· 13.11 mi
7:27/mi
1:38:31
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
1:56:46
↑ 66↓ 880.2%
30K· 18.64 mi
7:46/mi
2:20:53
↑ 181↓ 1480.2%
20M
7:47/mi
2:31:28
↑ 64↓ 500.2%
21M
8:14/mi
2:39:42
↑ 106↓ 241.6%
35K· 21.75 mi
7:33/mi
2:45:21
↑ 17↓ 861.7%
23M
7:46/mi
2:55:05
↑ 23↓ 630.6%
24M
7:34/mi
3:02:39
↓ 821.3%
40K· 24.85 mi
7:43/mi
3:09:15
↓ 200.3%
25.2M
7:43/mi
3:11:55
↑ 13↓ 160.2%
Finish· 26.22 mi
7:03/mi
3:19:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:31
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:40:35
Pace7:40 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0323:257:3223:25
7:32
-
10K
6.21 mi11:37:2746:497:3223:25
7:32
0:00
15K
9.32 mi12:00:431:10:057:3123:16
7:29
-0:03
20K
12.43 mi12:24:041:33:267:3123:21
7:31
+0:02
Half
13.11 mi12:29:091:38:317:315:05
7:27
-0:04
25K
15.53 mi12:47:241:56:467:3118:15
7:32
+0:05
30K
18.64 mi13:11:312:20:537:3324:07
7:46
+0:14
20M
20.00 mi13:22:062:31:287:3410:35
7:47
+0:01
21M
21.00 mi13:30:202:39:427:368:14
8:14
+0:27
35K
21.75 mi13:35:592:45:217:365:39
7:33
-0:41
23M
23.00 mi13:45:432:55:057:379:44
7:46
+0:13
24M
24.00 mi13:53:173:02:397:377:34
7:34
-0:12
40K
24.85 mi13:59:533:09:157:376:36
7:43
+0:09
25.2M
25.20 mi14:02:333:11:557:372:40
7:43
0:00
Finish
26.22 mi14:09:443:19:067:367:11
7:03
-0:40

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

7:03 /mi

Average Pace

7:36 /mi

Slowest Pace

8:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:26

74% of race

Time at Steady Pace

52:40

26% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi11:14:0323:257:3223:25
7:32
#9934
10K
6.21 mi11:37:2746:497:3223:25
7:32
#10347
15K
9.32 mi12:00:431:10:057:3123:16
7:29
#10234
20K
12.43 mi12:24:041:33:267:3123:21
7:31
#10001
Half
13.11 mi12:29:091:38:317:315:05
7:27
#9975
25K
15.53 mi12:47:241:56:467:3118:15
7:32
#9791
30K
18.64 mi13:11:312:20:537:3324:07
7:46
#9644
20M
20.00 mi13:22:062:31:287:3410:35
7:47
#9552
21M
21.00 mi13:30:202:39:427:368:14
8:14
#9474
35K
21.75 mi13:35:592:45:217:365:39
7:33
#9437
23M
23.00 mi13:45:432:55:057:379:44
7:46
#9300
24M
24.00 mi13:53:173:02:397:377:34
7:34
#9225
40K
24.85 mi13:59:533:09:157:376:36
7:43
#9163
25.2M
25.20 mi14:02:333:11:557:372:40
7:43
#9094
Finish
26.22 mi14:09:443:19:067:367:11
7:03
#8918
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi99341836183610097(Top 38%)1884(Top 16%)1884(Top 39%)
10K6.21 mi3.10 mi10347-4132002-1662002-16610745(Top 40%)2185(Top 19%)2185(Top 45%)
15K9.32 mi3.11 mi10234+1131928+741928+7410097(Top 38%)1884(Top 16%)1884(Top 39%)
20K12.43 mi3.11 mi10001+2331833+951833+959446(Top 35%)1668(Top 15%)1668(Top 34%)
Half13.11 mi0.68 mi9975+261826+71826+79866(Top 37%)1821(Top 16%)1821(Top 37%)
25K15.53 mi2.42 mi9791+1841760+661760+668989(Top 34%)1549(Top 14%)1549(Top 32%)
30K18.64 mi3.11 mi9644+1471737+231737+239085(Top 34%)1735(Top 15%)1735(Top 36%)
20M20.00 mi1.36 mi9552+921728+91728+98785(Top 33%)1705(Top 15%)1705(Top 35%)
21M21.00 mi1.00 mi9474+781722+61722+68818(Top 33%)1845(Top 16%)1845(Top 38%)
35K21.75 mi0.75 mi9437+371725-31725-38949(Top 34%)1886(Top 17%)1886(Top 39%)
23M23.00 mi1.25 mi9300+1371694+311694+318254(Top 31%)1692(Top 15%)1692(Top 35%)
24M24.00 mi1.00 mi9225+751687+71687+78190(Top 31%)1755(Top 15%)1755(Top 36%)
40K24.85 mi0.85 mi9163+621685+21685+28172(Top 31%)1830(Top 16%)1830(Top 37%)
25.2M25.20 mi0.35 mi9094+691661+241661+244917(Top 18%)720(Top 6%)720(Top 15%)
Finish26.22 mi1.02 mi8918+1761607+541607+545556(Top 21%)935(Top 8%)935(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10097

Females

1884

F18-39

1884

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

10745

Females

2185

F18-39

2185

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10097

Females

1884

F18-39

1884

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

9446

Females

1668

F18-39

1668

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

9866

Females

1821

F18-39

1821

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

8989

Females

1549

F18-39

1549

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9085

Females

1735

F18-39

1735

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

8785

Females

1705

F18-39

1705

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8818

Females

1845

F18-39

1845

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

8949

Females

1886

F18-39

1886

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8254

Females

1692

F18-39

1692

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8190

Females

1755

F18-39

1755

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8172

Females

1830

F18-39

1830

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4917

Females

720

F18-39

720

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5556

Females

935

F18-39

935

Passing Analysis

Category:
Athletes Passed
2092*
Passed By
1075
Net Change
+1016
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9934
5K → 10K163575-413#9934#10347
10K → 15K238125+113#10347#10234
15K → 20K295*62+233#10234#10001
20K → Half42*16+26#10001#9975
Half → 25K209*25+184#9975#9791
25K → 30K236*89+147#9791#9644
30K → 20M12634+92#9644#9552
20M → 21M11840+78#9552#9474
21M → 35K6629+37#9474#9437
35K → 23M15821+137#9437#9300
23M → 24M10025+75#9300#9225
24M → 40K9129+62#9225#9163
40K → 25.2M712+69#9163#9094
25.2M → Finish1793+176#9094#8918
TOTALS2092*1075+1016

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

📊

Passing Visuals

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