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BOSTON MARATHON 2024

Chia Chin Lin

Bib: 21000•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Top 50%
Division (F55-59)
#0 / 876
Top 31%
Race Day Weather
55°/45°F
scattered clouds

⏱️ 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
8:31/mi
26:27
↑ 97↓ 3451.5%
10K· 6.21 mi
8:46/mi
53:41
↑ 79↓ 1380.4%
15K· 9.32 mi
8:46/mi
1:20:55
↑ 67↓ 78
20K· 12.43 mi
9:04/mi
1:49:04
↑ 106↓ 860.1%
Half· 13.11 mi
8:59/mi
1:55:12
↑ 19↓ 370.5%
25K· 15.53 mi
9:21/mi
2:17:51
↑ 66↓ 880.2%
30K· 18.64 mi
9:39/mi
2:47:51
↑ 181↓ 1480.2%
20M
9:33/mi
3:00:50
↑ 64↓ 500.2%
21M
10:23/mi
3:11:13
↑ 106↓ 241.6%
35K· 21.75 mi
9:16/mi
3:18:09
↑ 17↓ 861.7%
23M
9:52/mi
3:30:30
↑ 23↓ 630.6%
24M
9:48/mi
3:40:18
↓ 821.3%
40K· 24.85 mi
10:05/mi
3:48:55
↓ 200.3%
25.2M
10:55/mi
3:52:41
↑ 13↓ 160.2%
Finish· 26.22 mi
8:48/mi
4:01:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:12
Pace8:47 /mi
2nd Half
Distance13.11 mi
Time2:06:27
Pace9:39 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:0326:278:3126:27
8:31
-
10K
6.21 mi11:50:1753:418:3827:14
8:46
+0:15
15K
9.32 mi12:17:311:20:558:4127:14
8:46
0:00
20K
12.43 mi12:45:401:49:048:4728:09
9:04
+0:18
Half
13.11 mi12:51:481:55:128:476:08
8:59
-0:05
25K
15.53 mi13:14:272:17:518:5222:39
9:21
+0:22
30K
18.64 mi13:44:272:47:519:0030:00
9:39
+0:18
20M
20.00 mi13:57:263:00:509:0212:59
9:33
-0:06
21M
21.00 mi14:07:493:11:139:0610:23
10:23
+0:50
35K
21.75 mi14:14:453:18:099:076:56
9:16
-1:07
23M
23.00 mi14:27:063:30:309:0912:21
9:52
+0:36
24M
24.00 mi14:36:543:40:189:119:48
9:48
-0:04
40K
24.85 mi14:45:313:48:559:138:37
10:05
+0:17
25.2M
25.20 mi14:49:173:52:419:143:46
10:55
+0:50
Finish
26.22 mi14:58:154:01:399:138:58
8:48
-2:07

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

8:31 /mi

Average Pace

9:13 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:01

40% of race

Time at Steady Pace

1:40:43

42% of race

Time at Slower Pace

44:55

19% of race

Average Pace: 9:13 /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 mi11:23:0326:278:3126:27
8:31
#17853
10K
6.21 mi11:50:1753:418:3827:14
8:46
#18278
15K
9.32 mi12:17:311:20:558:4127:14
8:46
#18097
20K
12.43 mi12:45:401:49:048:4728:09
9:04
#17908
Half
13.11 mi12:51:481:55:128:476:08
8:59
#17920
25K
15.53 mi13:14:272:17:518:5222:39
9:21
#17712
30K
18.64 mi13:44:272:47:519:0030:00
9:39
#17384
20M
20.00 mi13:57:263:00:509:0212:59
9:33
#17180
21M
21.00 mi14:07:493:11:139:0610:23
10:23
#17015
35K
21.75 mi14:14:453:18:099:076:56
9:16
#16914
23M
23.00 mi14:27:063:30:309:0912:21
9:52
#16806
24M
24.00 mi14:36:543:40:189:119:48
9:48
#16747
40K
24.85 mi14:45:313:48:559:138:37
10:05
#16670
25.2M
25.20 mi14:49:173:52:419:143:46
10:55
#16620
Finish
26.22 mi14:58:154:01:399:138:58
8:48
#16475
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi178536668666817812(Top 70%)6606(Top 60%)6606(Top 754%)
10K6.21 mi3.10 mi18278-4256904-2366904-23618700(Top 73%)7138(Top 65%)7138(Top 815%)
15K9.32 mi3.11 mi18097+1816795+1096795+10917812(Top 70%)6606(Top 60%)6606(Top 754%)
20K12.43 mi3.11 mi17908+1896692+1036692+10317599(Top 69%)6480(Top 59%)6480(Top 740%)
Half13.11 mi0.68 mi17920-126701-96701-918227(Top 71%)6897(Top 63%)6897(Top 787%)
25K15.53 mi2.42 mi17712+2086606+956606+9516951(Top 66%)6246(Top 57%)6246(Top 713%)
30K18.64 mi3.11 mi17384+3286474+1326474+13216074(Top 63%)6010(Top 55%)6010(Top 686%)
20M20.00 mi1.36 mi17180+2046390+846390+8414768(Top 58%)5544(Top 51%)5544(Top 633%)
21M21.00 mi1.00 mi17015+1656334+566334+5614474(Top 57%)5557(Top 51%)5557(Top 634%)
35K21.75 mi0.75 mi16914+1016300+346300+3414600(Top 57%)5645(Top 52%)5645(Top 644%)
23M23.00 mi1.25 mi16806+1086263+376263+3715001(Top 59%)5919(Top 54%)5919(Top 676%)
24M24.00 mi1.00 mi16747+596255+86255+815648(Top 61%)6270(Top 57%)6270(Top 716%)
40K24.85 mi0.85 mi16670+776246+96246+915307(Top 60%)6168(Top 56%)6168(Top 704%)
25.2M25.20 mi0.35 mi16620+506230+166230+1614278(Top 56%)5701(Top 52%)5701(Top 651%)
Finish26.22 mi1.02 mi16475+1456185+456185+4513199(Top 52%)5076(Top 46%)5076(Top 579%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

17812

Females

6606

F55-59

6606

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

18700

Females

7138

F55-59

7138

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

17812

Females

6606

F55-59

6606

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

17599

Females

6480

F55-59

6480

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

18227

Females

6897

F55-59

6897

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

16951

Females

6246

F55-59

6246

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

16074

Females

6010

F55-59

6010

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

14768

Females

5544

F55-59

5544

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

14474

Females

5557

F55-59

5557

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

14600

Females

5645

F55-59

5645

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

15001

Females

5919

F55-59

5919

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

15648

Females

6270

F55-59

6270

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15307

Females

6168

F55-59

6168

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14278

Females

5701

F55-59

5701

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

13199

Females

5076

F55-59

5076

Passing Analysis

Category:
Athletes Passed
2682
Passed By
1304
Net Change
+1378
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17853
5K → 10K133558-425#17853#18278
10K → 15K321140+181#18278#18097
15K → 20K335146+189#18097#17908
20K → Half4153-12#17908#17920
Half → 25K29789+208#17920#17712
25K → 30K432104+328#17712#17384
30K → 20M21915+204#17384#17180
20M → 21M19227+165#17180#17015
21M → 35K11615+101#17015#16914
35K → 23M15446+108#16914#16806
23M → 24M10950+59#16806#16747
24M → 40K11235+77#16747#16670
40K → 25.2M6111+50#16670#16620
25.2M → Finish16015+145#16620#16475
TOTALS26821304+1378
📊

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