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BOSTON MARATHON 2023

Eliza Weaver

Bib: 13339•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 25%
Gender (Female)
#0 / 11423
Top 7%
Division (F18-39)
#0 / 4884
Top 14%
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
7:15/mi
22:33
↑ 97↓ 3451.5%
10K· 6.21 mi
7:20/mi
45:19
↑ 79↓ 1380.4%
15K· 9.32 mi
7:20/mi
1:08:05
↑ 67↓ 78
20K· 12.43 mi
7:20/mi
1:30:51
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:35:49
↑ 19↓ 370.5%
25K· 15.53 mi
7:19/mi
1:53:34
↑ 66↓ 880.2%
30K· 18.64 mi
7:25/mi
2:16:35
↑ 181↓ 1480.2%
20M
7:23/mi
2:26:37
↑ 64↓ 500.2%
21M
7:40/mi
2:34:17
↑ 106↓ 241.6%
35K· 21.75 mi
7:05/mi
2:39:35
↑ 17↓ 861.7%
23M
7:25/mi
2:48:52
↑ 23↓ 630.6%
24M
7:05/mi
2:55:57
↓ 821.3%
40K· 24.85 mi
7:07/mi
3:02:02
↓ 200.3%
25.2M
7:38/mi
3:04:40
↑ 13↓ 160.2%
Finish· 26.22 mi
6:45/mi
3:11:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:35:49
Pace7:19 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:35:44
Pace7:18 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0822:337:1522:33
7:15
-
10K
6.21 mi11:15:5445:197:1822:46
7:20
+0:05
15K
9.32 mi11:38:401:08:057:1822:46
7:20
0:00
20K
12.43 mi12:01:261:30:517:1922:46
7:20
0:00
Half
13.11 mi12:06:241:35:497:194:58
7:17
-0:03
25K
15.53 mi12:24:091:53:347:1917:45
7:19
+0:02
30K
18.64 mi12:47:102:16:357:2023:01
7:25
+0:06
20M
20.00 mi12:57:122:26:377:2010:02
7:23
-0:02
21M
21.00 mi13:04:522:34:177:217:40
7:40
+0:17
35K
21.75 mi13:10:102:39:357:205:18
7:05
-0:35
23M
23.00 mi13:19:272:48:527:219:17
7:25
+0:20
24M
24.00 mi13:26:322:55:577:207:05
7:05
-0:20
40K
24.85 mi13:32:373:02:027:196:05
7:07
+0:02
25.2M
25.20 mi13:35:153:04:407:202:38
7:38
+0:31
Finish
26.22 mi13:42:083:11:337:196:53
6:45
-0:53

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

6:45 /mi

Average Pace

7:19 /mi

Slowest Pace

7:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:15

95% of race

Time at Steady Pace

10:18

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:18 /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 mi10:53:0822:337:1522:33
7:15
#7859
10K
6.21 mi11:15:5445:197:1822:46
7:20
#8401
15K
9.32 mi11:38:401:08:057:1822:46
7:20
#8492
20K
12.43 mi12:01:261:30:517:1922:46
7:20
#8322
Half
13.11 mi12:06:241:35:497:194:58
7:17
#8324
25K
15.53 mi12:24:091:53:347:1917:45
7:19
#8153
30K
18.64 mi12:47:102:16:357:2023:01
7:25
#7835
20M
20.00 mi12:57:122:26:377:2010:02
7:23
#7669
21M
21.00 mi13:04:522:34:177:217:40
7:40
#7511
35K
21.75 mi13:10:102:39:357:205:18
7:05
#7431
23M
23.00 mi13:19:272:48:527:219:17
7:25
#7299
24M
24.00 mi13:26:322:55:577:207:05
7:05
#7171
40K
24.85 mi13:32:373:02:027:196:05
7:07
#7015
25.2M
25.20 mi13:35:153:04:407:202:38
7:38
#6954
Finish
26.22 mi13:42:083:11:337:196:53
6:45
#6787
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi78599689688795(Top 33%)1360(Top 12%)1360(Top 28%)
10K6.21 mi3.10 mi8401-5421177-2091177-2099069(Top 34%)1433(Top 13%)1433(Top 29%)
15K9.32 mi3.11 mi8492-911217-401217-408795(Top 33%)1360(Top 12%)1360(Top 28%)
20K12.43 mi3.11 mi8322+1701165+521165+528006(Top 30%)1101(Top 10%)1101(Top 23%)
Half13.11 mi0.68 mi8324-21169-41169-48476(Top 32%)1255(Top 11%)1255(Top 26%)
25K15.53 mi2.42 mi8153+1711134+351134+357429(Top 28%)983(Top 9%)983(Top 20%)
30K18.64 mi3.11 mi7835+3181056+781056+786657(Top 25%)812(Top 7%)812(Top 17%)
20M20.00 mi1.36 mi7669+1661013+431013+436122(Top 23%)736(Top 6%)736(Top 15%)
21M21.00 mi1.00 mi7511+158978+35978+355477(Top 21%)659(Top 6%)659(Top 13%)
35K21.75 mi0.75 mi7431+80962+16962+165857(Top 22%)720(Top 6%)720(Top 15%)
23M23.00 mi1.25 mi7299+132938+24938+245975(Top 22%)804(Top 7%)804(Top 16%)
24M24.00 mi1.00 mi7171+128911+27911+275152(Top 19%)617(Top 5%)617(Top 13%)
40K24.85 mi0.85 mi7015+156883+28883+284481(Top 17%)508(Top 4%)508(Top 10%)
25.2M25.20 mi0.35 mi6954+61878+5878+54642(Top 17%)614(Top 5%)614(Top 13%)
Finish26.22 mi1.02 mi6787+167835+43835+433844(Top 14%)435(Top 4%)435(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

8795

Females

1360

F18-39

1360

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9069

Females

1433

F18-39

1433

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

8795

Females

1360

F18-39

1360

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

8006

Females

1101

F18-39

1101

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

8476

Females

1255

F18-39

1255

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7429

Females

983

F18-39

983

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

6657

Females

812

F18-39

812

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

6122

Females

736

F18-39

736

20M→21M

20.0 - 21.0 mi

Top 21%
×8story building
+106ft-24ft

Overall

5477

Females

659

F18-39

659

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

5857

Females

720

F18-39

720

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

5975

Females

804

F18-39

804

23M→24M

23.0 - 24.0 mi

Top 19%
×6story building
+12ft-82ft

Overall

5152

Females

617

F18-39

617

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4481

Females

508

F18-39

508

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4642

Females

614

F18-39

614

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2story building
+22ft-21ft

Overall

3844

Females

435

F18-39

435

Passing Analysis

Category:
Athletes Passed
2025
Passed By
953
Net Change
+1072
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7859
5K → 10K51593-542#7859#8401
10K → 15K109200-91#8401#8492
15K → 20K21444+170#8492#8322
20K → Half2022-2#8322#8324
Half → 25K20130+171#8324#8153
25K → 30K33315+318#8153#7835
30K → 20M1748+166#7835#7669
20M → 21M1635+158#7669#7511
21M → 35K844+80#7511#7431
35K → 23M14715+132#7431#7299
23M → 24M1368+128#7299#7171
24M → 40K1571+156#7171#7015
40K → 25.2M643+61#7015#6954
25.2M → Finish1725+167#6954#6787
TOTALS2025953+1072
📊

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