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BOSTON MARATHON 2023

Lili Zhang

Bib: 22865•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 47%
Division (F60-64)
#0 / 527
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:37
Rank: #19934
Start → 5K
27:37 | 8:53/mi
10K· 6.21 mi
54:42
Rank: #19696 (+238)
5K → 10K
27:05 | 8:43/mi
15K· 9.32 mi
1:21:32
Rank: #19326 (+370)
10K → 15K
26:50 | 8:38/mi
20K· 12.43 mi
1:50:12
Rank: #19685 (-359)
15K → 20K
28:40 | 9:14/mi
Half· 13.11 mi
1:56:02
Rank: #19594 (+91)
20K → Half
5:50 | 8:33/mi
25K· 15.53 mi
2:16:58
Rank: #19185 (+409)
Half → 25K
20:56 | 8:38/mi
30K· 18.64 mi
2:44:17
Rank: #18662 (+523)
25K → 30K
27:19 | 8:48/mi
20M
2:56:07
Rank: #18366 (+296)
30K → 20M
11:50 | 8:42/mi
21M
3:05:18
Rank: #18109 (+257)
20M → 21M
9:11 | 9:11/mi
35K· 21.75 mi
3:11:37
Rank: #18007 (+102)
21M → 35K
6:19 | 8:27/mi
23M
3:22:34
Rank: #17828 (+179)
35K → 23M
10:57 | 8:45/mi
24M
3:31:08
Rank: #17689 (+139)
23M → 24M
8:34 | 8:34/mi
40K· 24.85 mi
3:38:36
Rank: #17588 (+101)
24M → 40K
7:28 | 8:44/mi
25.2M
3:41:51
Rank: #17540 (+48)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:50:29
Rank: #17441 (+99)
25.2M → Finish
8:38 | 8:28/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:56:02
Pace8:51 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:54:27
Pace8:44 /mi
📊Negative Split: 1.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:5227:378:5327:37
8:53
-
10K
6.21 mi11:51:5754:428:4827:05
8:43
-0:10
15K
9.32 mi12:18:471:21:328:4526:50
8:38
-0:05
20K
12.43 mi12:47:271:50:128:5228:40
9:14
+0:36
Half
13.11 mi12:53:171:56:028:515:50
8:33
-0:41
25K
15.53 mi13:14:132:16:588:4920:56
8:38
+0:05
30K
18.64 mi13:41:322:44:178:4927:19
8:48
+0:10
20M
20.00 mi13:53:222:56:078:4811:50
8:42
-0:06
21M
21.00 mi14:02:333:05:188:499:11
9:11
+0:29
35K
21.75 mi14:08:523:11:378:496:19
8:27
-0:44
23M
23.00 mi14:19:493:22:348:4810:57
8:45
+0:18
24M
24.00 mi14:28:233:31:088:488:34
8:34
-0:11
40K
24.85 mi14:35:513:38:368:487:28
8:44
+0:10
25.2M
25.20 mi14:39:063:41:518:483:15
9:25
+0:41
Finish
26.22 mi14:47:443:50:298:488:38
8:28
-0:57

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

8:27 /mi

Average Pace

8:48 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:47:14

99% of race

Time at Steady Pace

3:15

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:47 /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 mi11:24:5227:378:5327:37
8:53
#19934
10K
6.21 mi11:51:5754:428:4827:05
8:43
#19696
15K
9.32 mi12:18:471:21:328:4526:50
8:38
#19326
20K
12.43 mi12:47:271:50:128:5228:40
9:14
#19685
Half
13.11 mi12:53:171:56:028:515:50
8:33
#19594
25K
15.53 mi13:14:132:16:588:4920:56
8:38
#19185
30K
18.64 mi13:41:322:44:178:4927:19
8:48
#18662
20M
20.00 mi13:53:222:56:078:4811:50
8:42
#18366
21M
21.00 mi14:02:333:05:188:499:11
9:11
#18109
35K
21.75 mi14:08:523:11:378:496:19
8:27
#18007
23M
23.00 mi14:19:493:22:348:4810:57
8:45
#17828
24M
24.00 mi14:28:233:31:088:488:34
8:34
#17689
40K
24.85 mi14:35:513:38:368:487:28
8:44
#17588
25.2M
25.20 mi14:39:063:41:518:483:15
9:25
#17540
Finish
26.22 mi14:47:443:50:298:488:38
8:28
#17441
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi199347767776718665(Top 70%)6898(Top 60%)6898(Top 1309%)
10K6.21 mi3.10 mi19696+2387584+1837584+18319514(Top 73%)7392(Top 65%)7392(Top 1403%)
15K9.32 mi3.11 mi19326+3707332+2527332+25218665(Top 70%)6898(Top 60%)6898(Top 1309%)
20K12.43 mi3.11 mi19685-3597536-2047536-20420684(Top 78%)8047(Top 70%)8047(Top 1527%)
Half13.11 mi0.68 mi19594+917478+587478+5818033(Top 68%)6497(Top 57%)6497(Top 1233%)
25K15.53 mi2.42 mi19185+4097228+2507228+25017023(Top 64%)6023(Top 53%)6023(Top 1143%)
30K18.64 mi3.11 mi18662+5236949+2796949+27916029(Top 60%)5522(Top 48%)5522(Top 1048%)
20M20.00 mi1.36 mi18366+2966793+1566793+15614940(Top 56%)4967(Top 43%)4967(Top 943%)
21M21.00 mi1.00 mi18109+2576661+1326661+13214432(Top 54%)4737(Top 41%)4737(Top 899%)
35K21.75 mi0.75 mi18007+1026602+596602+5915038(Top 56%)5143(Top 45%)5143(Top 976%)
23M23.00 mi1.25 mi17828+1796517+856517+8514710(Top 55%)5023(Top 44%)5023(Top 953%)
24M24.00 mi1.00 mi17689+1396443+746443+7414916(Top 56%)5193(Top 45%)5193(Top 985%)
40K24.85 mi0.85 mi17588+1016396+476396+4714759(Top 55%)5172(Top 45%)5172(Top 981%)
25.2M25.20 mi0.35 mi17540+486371+256371+2514905(Top 56%)5263(Top 46%)5263(Top 999%)
Finish26.22 mi1.02 mi17441+996325+466325+4615283(Top 57%)5426(Top 48%)5426(Top 1030%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

18665

Females

6898

F60-64

6898

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

19514

Females

7392

F60-64

7392

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

18665

Females

6898

F60-64

6898

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

20684

Females

8047

F60-64

8047

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

18033

Females

6497

F60-64

6497

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

17023

Females

6023

F60-64

6023

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

16029

Females

5522

F60-64

5522

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

14940

Females

4967

F60-64

4967

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14432

Females

4737

F60-64

4737

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

15038

Females

5143

F60-64

5143

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

14710

Females

5023

F60-64

5023

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

14916

Females

5193

F60-64

5193

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14759

Females

5172

F60-64

5172

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14905

Females

5263

F60-64

5263

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

15283

Females

5426

F60-64

5426

Passing Analysis

Category:
Athletes Passed
3287
Passed By
794
Net Change
+2493
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19934
5K → 10K439201+238#19934#19696
10K → 15K42858+370#19696#19326
15K → 20K70429-359#19326#19685
20K → Half943+91#19685#19594
Half → 25K42213+409#19594#19185
25K → 30K5296+523#19185#18662
30K → 20M2993+296#18662#18366
20M → 21M2669+257#18366#18109
21M → 35K1108+102#18109#18007
35K → 23M19415+179#18007#17828
23M → 24M15011+139#17828#17689
24M → 40K11413+101#17689#17588
40K → 25.2M5911+48#17588#17540
25.2M → Finish11314+99#17540#17441
TOTALS3287794+2493
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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