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BOSTON MARATHON 2023

Biyun Jin

Bib: 23968•F

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Top 27%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:32
Rank: #22999
Start → 5K
30:32 | 9:50/mi
10K· 6.21 mi
58:15
Rank: #21972 (+1027)
5K → 10K
27:43 | 8:55/mi
15K· 9.32 mi
1:25:32
Rank: #21282 (+690)
10K → 15K
27:17 | 8:47/mi
20K· 12.43 mi
1:53:02
Rank: #20759 (+523)
15K → 20K
27:30 | 8:51/mi
Half· 13.11 mi
1:58:59
Rank: #20673 (+86)
20K → Half
5:57 | 8:43/mi
25K· 15.53 mi
2:20:50
Rank: #20418 (+255)
Half → 25K
21:51 | 9:01/mi
30K· 18.64 mi
2:49:42
Rank: #20072 (+346)
25K → 30K
28:52 | 9:17/mi
20M
3:02:39
Rank: #19971 (+101)
30K → 20M
12:57 | 9:32/mi
21M
3:12:23
Rank: #19771 (+200)
20M → 21M
9:44 | 9:44/mi
35K· 21.75 mi
3:19:13
Rank: #19724 (+47)
21M → 35K
6:50 | 9:08/mi
23M
3:30:53
Rank: #19601 (+123)
35K → 23M
11:40 | 9:19/mi
24M
3:40:02
Rank: #19540 (+61)
23M → 24M
9:09 | 9:09/mi
40K· 24.85 mi
3:47:33
Rank: #19402 (+138)
24M → 40K
7:31 | 8:47/mi
25.2M
3:51:02
Rank: #19377 (+25)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
4:00:02
Rank: #19324 (+53)
25.2M → Finish
9:00 | 8:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:59
Pace9:05 /mi
2nd Half
Distance13.11 mi
Time2:01:03
Pace9:14 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:3230:329:5030:32
9:50
-
10K
6.21 mi12:18:1558:159:2227:43
8:55
-0:55
15K
9.32 mi12:45:321:25:329:1127:17
8:47
-0:08
20K
12.43 mi13:13:021:53:029:0627:30
8:51
+0:04
Half
13.11 mi13:18:591:58:599:055:57
8:43
-0:08
25K
15.53 mi13:40:502:20:509:0421:51
9:01
+0:18
30K
18.64 mi14:09:422:49:429:0628:52
9:17
+0:16
20M
20.00 mi14:22:393:02:399:0812:57
9:32
+0:15
21M
21.00 mi14:32:233:12:239:109:44
9:44
+0:12
35K
21.75 mi14:39:133:19:139:106:50
9:08
-0:36
23M
23.00 mi14:50:533:30:539:1011:40
9:19
+0:11
24M
24.00 mi15:00:023:40:029:109:09
9:09
-0:10
40K
24.85 mi15:07:333:47:339:097:31
8:47
-0:22
25.2M
25.20 mi15:11:023:51:029:103:29
10:06
+1:19
Finish
26.22 mi15:20:024:00:029:109:00
8:50
-1:16

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

8:43 /mi

Average Pace

9:10 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:17

82% of race

Time at Steady Pace

43:45

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:09 /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 mi11:50:3230:329:5030:32
9:50
#22999
10K
6.21 mi12:18:1558:159:2227:43
8:55
#21972
15K
9.32 mi12:45:321:25:329:1127:17
8:47
#21282
20K
12.43 mi13:13:021:53:029:0627:30
8:51
#20759
Half
13.11 mi13:18:591:58:599:055:57
8:43
#20673
25K
15.53 mi13:40:502:20:509:0421:51
9:01
#20418
30K
18.64 mi14:09:422:49:429:0628:52
9:17
#20072
20M
20.00 mi14:22:393:02:399:0812:57
9:32
#19971
21M
21.00 mi14:32:233:12:239:109:44
9:44
#19771
35K
21.75 mi14:39:133:19:139:106:50
9:08
#19724
23M
23.00 mi14:50:533:30:539:1011:40
9:19
#19601
24M
24.00 mi15:00:023:40:029:109:09
9:09
#19540
40K
24.85 mi15:07:333:47:339:097:31
8:47
#19402
25.2M
25.20 mi15:11:023:51:029:103:29
10:06
#19377
Finish
26.22 mi15:20:024:00:029:109:00
8:50
#19324
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi229999387938719414(Top 73%)7339(Top 64%)7339(Top 1393%)
10K6.21 mi3.10 mi21972+10278838+5498838+54920527(Top 77%)7993(Top 70%)7993(Top 1517%)
15K9.32 mi3.11 mi21282+6908432+4068432+40619414(Top 73%)7339(Top 64%)7339(Top 1393%)
20K12.43 mi3.11 mi20759+5238138+2948138+29418962(Top 71%)7069(Top 62%)7069(Top 1341%)
Half13.11 mi0.68 mi20673+868089+498089+4919114(Top 72%)7156(Top 63%)7156(Top 1358%)
25K15.53 mi2.42 mi20418+2557945+1447945+14419029(Top 71%)7149(Top 63%)7149(Top 1357%)
30K18.64 mi3.11 mi20072+3467766+1797766+17918600(Top 70%)6974(Top 61%)6974(Top 1323%)
20M20.00 mi1.36 mi19971+1017723+437723+4318989(Top 71%)7295(Top 64%)7295(Top 1384%)
21M21.00 mi1.00 mi19771+2007606+1177606+11717016(Top 64%)6209(Top 54%)6209(Top 1178%)
35K21.75 mi0.75 mi19724+477588+187588+1818506(Top 70%)7114(Top 62%)7114(Top 1350%)
23M23.00 mi1.25 mi19601+1237524+647524+6417629(Top 66%)6653(Top 58%)6653(Top 1262%)
24M24.00 mi1.00 mi19540+617504+207504+2017885(Top 67%)6854(Top 60%)6854(Top 1301%)
40K24.85 mi0.85 mi19402+1387431+737431+7315091(Top 57%)5360(Top 47%)5360(Top 1017%)
25.2M25.20 mi0.35 mi19377+257416+157416+1517834(Top 67%)6884(Top 60%)6884(Top 1306%)
Finish26.22 mi1.02 mi19324+537393+237393+2317223(Top 65%)6500(Top 57%)6500(Top 1233%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

19414

Females

7339

F60-64

7339

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

20527

Females

7993

F60-64

7993

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

19414

Females

7339

F60-64

7339

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

18962

Females

7069

F60-64

7069

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

19114

Females

7156

F60-64

7156

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

19029

Females

7149

F60-64

7149

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

18600

Females

6974

F60-64

6974

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18989

Females

7295

F60-64

7295

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

17016

Females

6209

F60-64

6209

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

18506

Females

7114

F60-64

7114

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

17629

Females

6653

F60-64

6653

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

17885

Females

6854

F60-64

6854

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15091

Females

5360

F60-64

5360

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17834

Females

6884

F60-64

6884

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

17223

Females

6500

F60-64

6500

Passing Analysis

Category:
Athletes Passed
3873
Passed By
198
Net Change
+3675
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22999
5K → 10K104215+1027#22999#21972
10K → 15K6966+690#21972#21282
15K → 20K53310+523#21282#20759
20K → Half882+86#20759#20673
Half → 25K26914+255#20673#20418
25K → 30K36620+346#20418#20072
30K → 20M12726+101#20072#19971
20M → 21M2099+200#19971#19771
21M → 35K6922+47#19771#19724
35K → 23M13714+123#19724#19601
23M → 24M8322+61#19601#19540
24M → 40K1402+138#19540#19402
40K → 25.2M349+25#19402#19377
25.2M → Finish8027+53#19377#19324
TOTALS3873198+3675
📊

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