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BOSTON MARATHON 2023

Julia Lebovitz

Bib: 26050•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
8:53/mi
27:36
↑ 97↓ 3451.5%
10K· 6.21 mi
8:11/mi
53:03
↑ 79↓ 1380.4%
15K· 9.32 mi
8:19/mi
1:18:52
↑ 67↓ 78
20K· 12.43 mi
8:36/mi
1:45:34
↑ 106↓ 860.1%
Half· 13.11 mi
8:33/mi
1:51:24
↑ 19↓ 370.5%
25K· 15.53 mi
8:47/mi
2:12:41
↑ 66↓ 880.2%
30K· 18.64 mi
9:37/mi
2:42:34
↑ 181↓ 1480.2%
20M
9:32/mi
2:55:31
↑ 64↓ 500.2%
21M
10:06/mi
3:05:37
↑ 106↓ 241.6%
35K· 21.75 mi
8:49/mi
3:12:13
↑ 17↓ 861.7%
23M
9:18/mi
3:23:52
↑ 23↓ 630.6%
24M
9:02/mi
3:32:54
↓ 821.3%
40K· 24.85 mi
9:20/mi
3:40:53
↓ 200.3%
25.2M
9:52/mi
3:44:17
↑ 13↓ 160.2%
Finish· 26.22 mi
8:45/mi
3:53:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:24
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time2:01:48
Pace9:17 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:5627:368:5327:36
8:53
-
10K
6.21 mi12:10:2353:038:3225:27
8:11
-0:42
15K
9.32 mi12:36:121:18:528:2825:49
8:19
+0:08
20K
12.43 mi13:02:541:45:348:3026:42
8:36
+0:17
Half
13.11 mi13:08:441:51:248:305:50
8:33
-0:03
25K
15.53 mi13:30:012:12:418:3221:17
8:47
+0:14
30K
18.64 mi13:59:542:42:348:4329:53
9:37
+0:50
20M
20.00 mi14:12:512:55:318:4712:57
9:32
-0:05
21M
21.00 mi14:22:573:05:378:5010:06
10:06
+0:34
35K
21.75 mi14:29:333:12:138:506:36
8:49
-1:17
23M
23.00 mi14:41:123:23:528:5211:39
9:18
+0:29
24M
24.00 mi14:50:143:32:548:529:02
9:02
-0:16
40K
24.85 mi14:58:133:40:538:537:59
9:20
+0:18
25.2M
25.20 mi15:01:373:44:178:543:24
9:52
+0:32
Finish
26.22 mi15:10:323:53:128:548:55
8:45
-1:07

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

8:11 /mi

Average Pace

8:54 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:48

36% of race

Time at Steady Pace

1:13:26

31% of race

Time at Slower Pace

1:15:58

33% of race

Average Pace: 8:54 /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 mi11:44:5627:368:5327:36
8:53
#19912
10K
6.21 mi12:10:2353:038:3225:27
8:11
#18137
15K
9.32 mi12:36:121:18:528:2825:49
8:19
#17606
20K
12.43 mi13:02:541:45:348:3026:42
8:36
#17524
Half
13.11 mi13:08:441:51:248:305:50
8:33
#17552
25K
15.53 mi13:30:012:12:418:3221:17
8:47
#17586
30K
18.64 mi13:59:542:42:348:4329:53
9:37
#18113
20M
20.00 mi14:12:512:55:318:4712:57
9:32
#18181
21M
21.00 mi14:22:573:05:378:5010:06
10:06
#18217
35K
21.75 mi14:29:333:12:138:506:36
8:49
#18163
23M
23.00 mi14:41:123:23:528:5211:39
9:18
#18126
24M
24.00 mi14:50:143:32:548:529:02
9:02
#18103
40K
24.85 mi14:58:133:40:538:537:59
9:20
#18089
25.2M
25.20 mi15:01:373:44:178:543:24
9:52
#18068
Finish
26.22 mi15:10:323:53:128:548:55
8:45
#18017
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi199127751775116616(Top 62%)5682(Top 50%)5682(Top 116%)
10K6.21 mi3.10 mi18137+17756605+11466605+114616208(Top 61%)5405(Top 47%)5405(Top 111%)
15K9.32 mi3.11 mi17606+5316281+3246281+32416616(Top 62%)5682(Top 50%)5682(Top 116%)
20K12.43 mi3.11 mi17524+826232+496232+4917462(Top 66%)6203(Top 54%)6203(Top 127%)
Half13.11 mi0.68 mi17552-286253-216253-2118055(Top 68%)6519(Top 57%)6519(Top 133%)
25K15.53 mi2.42 mi17586-346288-356288-3517843(Top 67%)6487(Top 57%)6487(Top 133%)
30K18.64 mi3.11 mi18113-5276638-3506638-35019860(Top 75%)7685(Top 67%)7685(Top 157%)
20M20.00 mi1.36 mi18181-686688-506688-5018976(Top 71%)7282(Top 64%)7282(Top 149%)
21M21.00 mi1.00 mi18217-366730-426730-4218400(Top 69%)6998(Top 61%)6998(Top 143%)
35K21.75 mi0.75 mi18163+546701+296701+2917099(Top 64%)6337(Top 55%)6337(Top 130%)
23M23.00 mi1.25 mi18126+376686+156686+1517549(Top 66%)6603(Top 58%)6603(Top 135%)
24M24.00 mi1.00 mi18103+236689-36689-317396(Top 65%)6575(Top 58%)6575(Top 135%)
40K24.85 mi0.85 mi18089+146688+16688+117708(Top 67%)6794(Top 59%)6794(Top 139%)
25.2M25.20 mi0.35 mi18068+216685+36685+316867(Top 63%)6358(Top 56%)6358(Top 130%)
Finish26.22 mi1.02 mi18017+516663+226663+2216793(Top 63%)6256(Top 55%)6256(Top 128%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

16616

Females

5682

F18-39

5682

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

16208

Females

5405

F18-39

5405

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

16616

Females

5682

F18-39

5682

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

17462

Females

6203

F18-39

6203

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18055

Females

6519

F18-39

6519

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

17843

Females

6487

F18-39

6487

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19860

Females

7685

F18-39

7685

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

18976

Females

7282

F18-39

7282

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

18400

Females

6998

F18-39

6998

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

17099

Females

6337

F18-39

6337

35K→23M

21.8 - 23.0 mi

Top 66%
×5story building
+23ft-63ft

Overall

17549

Females

6603

F18-39

6603

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

17396

Females

6575

F18-39

6575

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17708

Females

6794

F18-39

6794

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16867

Females

6358

F18-39

6358

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

16793

Females

6256

F18-39

6256

Passing Analysis

Category:
Athletes Passed
3331
Passed By
1436
Net Change
+1895
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19912
5K → 10K179520+1775#19912#18137
10K → 15K56837+531#18137#17606
15K → 20K216134+82#17606#17524
20K → Half3159-28#17524#17552
Half → 25K99133-34#17552#17586
25K → 30K73600-527#17586#18113
30K → 20M62130-68#18113#18181
20M → 21M83119-36#18181#18217
21M → 35K7925+54#18217#18163
35K → 23M9154+37#18163#18126
23M → 24M6946+23#18126#18103
24M → 40K5137+14#18103#18089
40K → 25.2M3817+21#18089#18068
25.2M → Finish7625+51#18068#18017
TOTALS33311436+1895
📊

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