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BOSTON MARATHON 2023

Yan Li

Bib: 22800•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:58
Rank: #20454
Start → 5K
27:58 | 9:00/mi
10K· 6.21 mi
55:03
Rank: #19983 (+471)
5K → 10K
27:05 | 8:43/mi
15K· 9.32 mi
1:22:29
Rank: #19866 (+117)
10K → 15K
27:26 | 8:50/mi
20K· 12.43 mi
1:50:32
Rank: #19838 (+28)
15K → 20K
28:03 | 9:02/mi
Half· 13.11 mi
1:56:34
Rank: #19815 (+23)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:18:50
Rank: #19823 (-8)
Half → 25K
22:16 | 9:11/mi
30K· 18.64 mi
2:48:31
Rank: #19775 (+48)
25K → 30K
29:41 | 9:33/mi
20M
3:01:46
Rank: #19759 (+16)
30K → 20M
13:15 | 9:45/mi
21M
3:11:50
Rank: #19655 (+104)
20M → 21M
10:04 | 10:04/mi
35K· 21.75 mi
3:18:20
Rank: #19564 (+91)
21M → 35K
6:30 | 8:41/mi
23M
3:29:25
Rank: #19323 (+241)
35K → 23M
11:05 | 8:51/mi
24M
3:38:18
Rank: #19219 (+104)
23M → 24M
8:53 | 8:53/mi
40K· 24.85 mi
3:46:06
Rank: #19125 (+94)
24M → 40K
7:48 | 9:07/mi
25.2M
3:49:33
Rank: #19101 (+24)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:58:42
Rank: #19076 (+25)
25.2M → Finish
9:09 | 8:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:34
Pace8:53 /mi
2nd Half
Distance13.11 mi
Time2:02:08
Pace9:19 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:5627:589:0027:58
9:00
-
10K
6.21 mi11:49:0155:038:5227:05
8:43
-0:17
15K
9.32 mi12:16:271:22:298:5127:26
8:50
+0:07
20K
12.43 mi12:44:301:50:328:5428:03
9:02
+0:12
Half
13.11 mi12:50:321:56:348:536:02
8:51
-0:11
25K
15.53 mi13:12:482:18:508:5622:16
9:11
+0:20
30K
18.64 mi13:42:292:48:319:0229:41
9:33
+0:22
20M
20.00 mi13:55:443:01:469:0513:15
9:45
+0:12
21M
21.00 mi14:05:483:11:509:0810:04
10:04
+0:19
35K
21.75 mi14:12:183:18:209:076:30
8:41
-1:23
23M
23.00 mi14:23:233:29:259:0611:05
8:51
+0:10
24M
24.00 mi14:32:163:38:189:068:53
8:53
+0:02
40K
24.85 mi14:40:043:46:069:067:48
9:07
+0:14
25.2M
25.20 mi14:43:313:49:339:073:27
10:00
+0:53
Finish
26.22 mi14:52:403:58:429:079:09
8:59
-1:01

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

8:41 /mi

Average Pace

9:07 /mi

Slowest Pace

10:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:31:56

89% of race

Time at Steady Pace

26:46

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:06 /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 mi11:21:5627:589:0027:58
9:00
#20454
10K
6.21 mi11:49:0155:038:5227:05
8:43
#19983
15K
9.32 mi12:16:271:22:298:5127:26
8:50
#19866
20K
12.43 mi12:44:301:50:328:5428:03
9:02
#19838
Half
13.11 mi12:50:321:56:348:536:02
8:51
#19815
25K
15.53 mi13:12:482:18:508:5622:16
9:11
#19823
30K
18.64 mi13:42:292:48:319:0229:41
9:33
#19775
20M
20.00 mi13:55:443:01:469:0513:15
9:45
#19759
21M
21.00 mi14:05:483:11:509:0810:04
10:04
#19655
35K
21.75 mi14:12:183:18:209:076:30
8:41
#19564
23M
23.00 mi14:23:233:29:259:0611:05
8:51
#19323
24M
24.00 mi14:32:163:38:189:068:53
8:53
#19219
40K
24.85 mi14:40:043:46:069:067:48
9:07
#19125
25.2M
25.20 mi14:43:313:49:339:073:27
10:00
#19101
Finish
26.22 mi14:52:403:58:429:079:09
8:59
#19076
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi204548086808619679(Top 74%)7496(Top 66%)7496(Top 920%)
10K6.21 mi3.10 mi19983+4717757+3297757+32919523(Top 73%)7401(Top 65%)7401(Top 908%)
15K9.32 mi3.11 mi19866+1177662+957662+9519679(Top 74%)7496(Top 66%)7496(Top 920%)
20K12.43 mi3.11 mi19838+287621+417621+4119839(Top 75%)7578(Top 66%)7578(Top 930%)
Half13.11 mi0.68 mi19815+237608+137608+1319750(Top 74%)7521(Top 66%)7521(Top 923%)
25K15.53 mi2.42 mi19823-87620-127620-1219770(Top 74%)7568(Top 66%)7568(Top 929%)
30K18.64 mi3.11 mi19775+487600+207600+2019636(Top 74%)7551(Top 66%)7551(Top 927%)
20M20.00 mi1.36 mi19759+167596+47596+419717(Top 74%)7709(Top 67%)7709(Top 946%)
21M21.00 mi1.00 mi19655+1047543+537543+5318283(Top 69%)6920(Top 61%)6920(Top 849%)
35K21.75 mi0.75 mi19564+917497+467497+4616405(Top 62%)5954(Top 52%)5954(Top 731%)
23M23.00 mi1.25 mi19323+2417366+1317366+13115324(Top 58%)5364(Top 47%)5364(Top 658%)
24M24.00 mi1.00 mi19219+1047315+517315+5116726(Top 63%)6220(Top 54%)6220(Top 763%)
40K24.85 mi0.85 mi19125+947270+457270+4516771(Top 63%)6283(Top 55%)6283(Top 771%)
25.2M25.20 mi0.35 mi19101+247262+87262+817462(Top 66%)6695(Top 59%)6695(Top 821%)
Finish26.22 mi1.02 mi19076+257252+107252+1017910(Top 67%)6872(Top 60%)6872(Top 843%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

19679

Females

7496

F55-59

7496

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

19523

Females

7401

F55-59

7401

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

19679

Females

7496

F55-59

7496

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

19839

Females

7578

F55-59

7578

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

19750

Females

7521

F55-59

7521

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

19770

Females

7568

F55-59

7568

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

19636

Females

7551

F55-59

7551

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

19717

Females

7709

F55-59

7709

20M→21M

20.0 - 21.0 mi

Top 69%
×8stories
+106ft-24ft

Overall

18283

Females

6920

F55-59

6920

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

16405

Females

5954

F55-59

5954

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15324

Females

5364

F55-59

5364

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16726

Females

6220

F55-59

6220

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16771

Females

6283

F55-59

6283

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17462

Females

6695

F55-59

6695

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17910

Females

6872

F55-59

6872

Passing Analysis

Category:
Athletes Passed
2290
Passed By
912
Net Change
+1378
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20454
5K → 10K621150+471#20454#19983
10K → 15K249132+117#19983#19866
15K → 20K185157+28#19866#19838
20K → Half3815+23#19838#19815
Half → 25K113121-8#19815#19823
25K → 30K195147+48#19823#19775
30K → 20M9175+16#19775#19759
20M → 21M13228+104#19759#19655
21M → 35K987+91#19655#19564
35K → 23M2465+241#19564#19323
23M → 24M12016+104#19323#19219
24M → 40K10814+94#19219#19125
40K → 25.2M3612+24#19125#19101
25.2M → Finish5833+25#19101#19076
TOTALS2290912+1378
📊

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