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BOSTON MARATHON 2023

Ling Lin

Bib: 21101•F

MO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 40%
Masters (Masters Women)
#0 / 6539
Top 27%
Division (F50-54)
#0 / 1207
Top 19%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:11
Rank: #14767
Start → 5K
25:11 | 8:06/mi
10K· 6.21 mi
49:56
Rank: #14648 (+119)
5K → 10K
24:45 | 7:58/mi
15K· 9.32 mi
1:15:15
Rank: #14940 (-292)
10K → 15K
25:19 | 8:09/mi
20K· 12.43 mi
1:40:46
Rank: #14926 (+14)
15K → 20K
25:31 | 8:13/mi
Half· 13.11 mi
1:46:20
Rank: #14957 (-31)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:06:23
Rank: #14891 (+66)
Half → 25K
20:03 | 8:16/mi
30K· 18.64 mi
2:32:52
Rank: #14819 (+72)
25K → 30K
26:29 | 8:31/mi
20M
2:44:40
Rank: #14803 (+16)
30K → 20M
11:48 | 8:41/mi
21M
2:53:53
Rank: #14771 (+32)
20M → 21M
9:13 | 9:13/mi
35K· 21.75 mi
3:00:13
Rank: #14754 (+17)
21M → 35K
6:20 | 8:28/mi
23M
3:11:02
Rank: #14714 (+40)
35K → 23M
10:49 | 8:38/mi
24M
3:19:25
Rank: #14643 (+71)
23M → 24M
8:23 | 8:23/mi
40K· 24.85 mi
3:26:44
Rank: #14579 (+64)
24M → 40K
7:19 | 8:33/mi
25.2M
3:29:53
Rank: #14553 (+26)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:38:19
Rank: #14504 (+49)
25.2M → Finish
8:26 | 8:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:20
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:51:59
Pace8:33 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:2725:118:0625:11
8:06
-
10K
6.21 mi11:45:1249:568:0224:45
7:58
-0:08
15K
9.32 mi12:10:311:15:158:0425:19
8:09
+0:11
20K
12.43 mi12:36:021:40:468:0725:31
8:13
+0:04
Half
13.11 mi12:41:361:46:208:075:34
8:10
-0:03
25K
15.53 mi13:01:392:06:238:0820:03
8:16
+0:06
30K
18.64 mi13:28:082:32:528:1226:29
8:31
+0:15
20M
20.00 mi13:39:562:44:408:1411:48
8:41
+0:10
21M
21.00 mi13:49:092:53:538:179:13
9:13
+0:32
35K
21.75 mi13:55:293:00:138:176:20
8:28
-0:45
23M
23.00 mi14:06:183:11:028:1810:49
8:38
+0:10
24M
24.00 mi14:14:413:19:258:198:23
8:23
-0:15
40K
24.85 mi14:22:003:26:448:197:19
8:33
+0:10
25.2M
25.20 mi14:25:093:29:538:203:09
9:08
+0:35
Finish
26.22 mi14:33:353:38:198:208:26
8:17
-0:51

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

7:58 /mi

Average Pace

8:20 /mi

Slowest Pace

9:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:25:57

94% of race

Time at Steady Pace

12:22

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:20 /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 mi11:20:2725:118:0625:11
8:06
#14767
10K
6.21 mi11:45:1249:568:0224:45
7:58
#14648
15K
9.32 mi12:10:311:15:158:0425:19
8:09
#14940
20K
12.43 mi12:36:021:40:468:0725:31
8:13
#14926
Half
13.11 mi12:41:361:46:208:075:34
8:10
#14957
25K
15.53 mi13:01:392:06:238:0820:03
8:16
#14891
30K
18.64 mi13:28:082:32:528:1226:29
8:31
#14819
20M
20.00 mi13:39:562:44:408:1411:48
8:41
#14803
21M
21.00 mi13:49:092:53:538:179:13
9:13
#14771
35K
21.75 mi13:55:293:00:138:176:20
8:28
#14754
23M
23.00 mi14:06:183:11:028:1810:49
8:38
#14714
24M
24.00 mi14:14:413:19:258:198:23
8:23
#14643
40K
24.85 mi14:22:003:26:448:197:19
8:33
#14579
25.2M
25.20 mi14:25:093:29:538:203:09
9:08
#14553
Finish
26.22 mi14:33:353:38:198:208:26
8:17
#14504
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi147674498449815498(Top 58%)4979(Top 44%)4979(Top 413%)
10K6.21 mi3.10 mi14648+1194436+624436+6214554(Top 55%)4390(Top 38%)4390(Top 364%)
15K9.32 mi3.11 mi14940-2924623-1874623-18715498(Top 58%)4979(Top 44%)4979(Top 413%)
20K12.43 mi3.11 mi14926+144637-144637-1415055(Top 57%)4749(Top 42%)4749(Top 393%)
Half13.11 mi0.68 mi14957-314661-244661-2415520(Top 58%)4992(Top 44%)4992(Top 414%)
25K15.53 mi2.42 mi14891+664643+184643+1814743(Top 55%)4672(Top 41%)4672(Top 387%)
30K18.64 mi3.11 mi14819+724632+114632+1114477(Top 54%)4610(Top 40%)4610(Top 382%)
20M20.00 mi1.36 mi14803+164640-84640-814763(Top 55%)4863(Top 43%)4863(Top 403%)
21M21.00 mi1.00 mi14771+324646-64646-614576(Top 55%)4806(Top 42%)4806(Top 398%)
35K21.75 mi0.75 mi14754+174657-114657-1115127(Top 57%)5178(Top 45%)5178(Top 429%)
23M23.00 mi1.25 mi14714+404662-54662-514039(Top 53%)4640(Top 41%)4640(Top 384%)
24M24.00 mi1.00 mi14643+714647+154647+1513792(Top 52%)4550(Top 40%)4550(Top 377%)
40K24.85 mi0.85 mi14579+644628+194628+1913730(Top 52%)4597(Top 40%)4597(Top 381%)
25.2M25.20 mi0.35 mi14553+264622+64622+613340(Top 50%)4411(Top 39%)4411(Top 365%)
Finish26.22 mi1.02 mi14504+494601+214601+2113970(Top 52%)4721(Top 41%)4721(Top 391%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

15498

Females

4979

F50-54

4979

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14554

Females

4390

F50-54

4390

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

15498

Females

4979

F50-54

4979

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

15055

Females

4749

F50-54

4749

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

15520

Females

4992

F50-54

4992

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

14743

Females

4672

F50-54

4672

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

14477

Females

4610

F50-54

4610

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

14763

Females

4863

F50-54

4863

20M→21M

20.0 - 21.0 mi

Top 55%
×8stories
+106ft-24ft

Overall

14576

Females

4806

F50-54

4806

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

15127

Females

5178

F50-54

5178

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

14039

Females

4640

F50-54

4640

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

13792

Females

4550

F50-54

4550

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13730

Females

4597

F50-54

4597

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13340

Females

4411

F50-54

4411

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13970

Females

4721

F50-54

4721

Passing Analysis

Category:
Athletes Passed
1701
Passed By
1438
Net Change
+263
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14767
5K → 10K346227+119#14767#14648
10K → 15K90382-292#14648#14940
15K → 20K195181+14#14940#14926
20K → Half2455-31#14926#14957
Half → 25K16397+66#14957#14891
25K → 30K201129+72#14891#14819
30K → 20M9074+16#14819#14803
20M → 21M10270+32#14803#14771
21M → 35K6043+17#14771#14754
35K → 23M10262+40#14754#14714
23M → 24M11039+71#14714#14643
24M → 40K8723+64#14643#14579
40K → 25.2M4418+26#14579#14553
25.2M → Finish8738+49#14553#14504
TOTALS17011438+263
📊

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