Boston Marathon logo
BOSTON MARATHON 2024

Kuei Feng Lin

Bib: 20102•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 42%
Masters (Masters Women)
#0 / 6263
Top 30%
Division (F50-54)
#0 / 1187
Top 23%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:16
Rank: #15605
Start → 5K
25:16 | 8:08/mi
10K· 6.21 mi
50:16
Rank: #15040 (+565)
5K → 10K
25:00 | 8:03/mi
15K· 9.32 mi
1:15:25
Rank: #14655 (+385)
10K → 15K
25:09 | 8:06/mi
20K· 12.43 mi
1:41:15
Rank: #14380 (+275)
15K → 20K
25:50 | 8:19/mi
Half· 13.11 mi
1:46:47
Rank: #14320 (+60)
20K → Half
5:32 | 8:07/mi
25K· 15.53 mi
2:09:58
Rank: #15022 (-702)
Half → 25K
23:11 | 9:34/mi
30K· 18.64 mi
2:38:07
Rank: #14710 (+312)
25K → 30K
28:09 | 9:04/mi
20M
2:50:25
Rank: #14504 (+206)
30K → 20M
12:18 | 9:03/mi
21M
3:00:18
Rank: #14365 (+139)
20M → 21M
9:53 | 9:53/mi
35K· 21.75 mi
3:06:32
Rank: #14144 (+221)
21M → 35K
6:14 | 8:20/mi
23M
3:17:49
Rank: #13951 (+193)
35K → 23M
11:17 | 9:01/mi
24M
3:26:27
Rank: #13750 (+201)
23M → 24M
8:38 | 8:38/mi
40K· 24.85 mi
3:34:17
Rank: #13636 (+114)
24M → 40K
7:50 | 9:10/mi
25.2M
3:37:49
Rank: #13590 (+46)
40K → 25.2M
3:32 | 10:15/mi
Finish· 26.22 mi
3:46:27
Rank: #13475 (+115)
25.2M → Finish
8:38 | 8:28/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:47
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time1:59:40
Pace9:08 /mi
📊Positive Split: 12.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:3425:168:0825:16
8:08
-
10K
6.21 mi11:44:3450:168:0525:00
8:03
-0:05
15K
9.32 mi12:09:431:15:258:0525:09
8:06
+0:03
20K
12.43 mi12:35:331:41:158:0925:50
8:19
+0:13
Half
13.11 mi12:41:051:46:478:095:32
8:07
-0:12
25K
15.53 mi13:04:162:09:588:2223:11
9:34
+1:27
30K
18.64 mi13:32:252:38:078:2928:09
9:04
-0:30
20M
20.00 mi13:44:432:50:258:3112:18
9:03
-0:01
21M
21.00 mi13:54:363:00:188:359:53
9:53
+0:50
35K
21.75 mi14:00:503:06:328:356:14
8:20
-1:33
23M
23.00 mi14:12:073:17:498:3611:17
9:01
+0:41
24M
24.00 mi14:20:453:26:278:368:38
8:38
-0:23
40K
24.85 mi14:28:353:34:178:377:50
9:10
+0:32
25.2M
25.20 mi14:32:073:37:498:393:32
10:15
+1:05
Finish
26.22 mi14:40:453:46:278:398:38
8:28
-1:47

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

8:03 /mi

Average Pace

8:39 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:20:57

36% of race

Time at Steady Pace

49:20

22% of race

Time at Slower Pace

1:36:10

42% of race

Average Pace: 8:38 /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 mi11:19:3425:168:0825:16
8:08
#15605
10K
6.21 mi11:44:3450:168:0525:00
8:03
#15040
15K
9.32 mi12:09:431:15:258:0525:09
8:06
#14655
20K
12.43 mi12:35:331:41:158:0925:50
8:19
#14380
Half
13.11 mi12:41:051:46:478:095:32
8:07
#14320
25K
15.53 mi13:04:162:09:588:2223:11
9:34
#15022
30K
18.64 mi13:32:252:38:078:2928:09
9:04
#14710
20M
20.00 mi13:44:432:50:258:3112:18
9:03
#14504
21M
21.00 mi13:54:363:00:188:359:53
9:53
#14365
35K
21.75 mi14:00:503:06:328:356:14
8:20
#14144
23M
23.00 mi14:12:073:17:498:3611:17
9:01
#13951
24M
24.00 mi14:20:453:26:278:368:38
8:38
#13750
40K
24.85 mi14:28:353:34:178:377:50
9:10
#13636
25.2M
25.20 mi14:32:073:37:498:393:32
10:15
#13590
Finish
26.22 mi14:40:453:46:278:398:38
8:28
#13475
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi156055323532314070(Top 55%)4404(Top 40%)4404(Top 371%)
10K6.21 mi3.10 mi15040+5654958+3654958+36514535(Top 57%)4654(Top 43%)4654(Top 392%)
15K9.32 mi3.11 mi14655+3854739+2194739+21914070(Top 55%)4404(Top 40%)4404(Top 371%)
20K12.43 mi3.11 mi14380+2754587+1524587+15213810(Top 54%)4310(Top 39%)4310(Top 363%)
Half13.11 mi0.68 mi14320+604566+214566+2113520(Top 53%)4212(Top 39%)4212(Top 355%)
25K15.53 mi2.42 mi15022-7025010-4445010-44417746(Top 69%)6677(Top 61%)6677(Top 563%)
30K18.64 mi3.11 mi14710+3124907+1034907+10313529(Top 53%)4581(Top 42%)4581(Top 386%)
20M20.00 mi1.36 mi14504+2064824+834824+8312419(Top 49%)4247(Top 39%)4247(Top 358%)
21M21.00 mi1.00 mi14365+1394799+254799+2512515(Top 49%)4529(Top 41%)4529(Top 382%)
35K21.75 mi0.75 mi14144+2214704+954704+959832(Top 38%)3148(Top 29%)3148(Top 265%)
23M23.00 mi1.25 mi13951+1934658+464658+4611250(Top 44%)4029(Top 37%)4029(Top 339%)
24M24.00 mi1.00 mi13750+2014589+694589+6910245(Top 40%)3575(Top 33%)3575(Top 301%)
40K24.85 mi0.85 mi13636+1144571+184571+1811622(Top 45%)4360(Top 40%)4360(Top 367%)
25.2M25.20 mi0.35 mi13590+464564+74564+711935(Top 47%)4566(Top 42%)4566(Top 385%)
Finish26.22 mi1.02 mi13475+1154539+254539+2511382(Top 45%)4169(Top 38%)4169(Top 351%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14070

Females

4404

F50-54

4404

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

14535

Females

4654

F50-54

4654

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14070

Females

4404

F50-54

4404

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

13810

Females

4310

F50-54

4310

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

13520

Females

4212

F50-54

4212

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

17746

Females

6677

F50-54

6677

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

13529

Females

4581

F50-54

4581

30K→20M

18.6 - 20.0 mi

Top 49%
×5stories
+64ft-50ft

Overall

12419

Females

4247

F50-54

4247

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

12515

Females

4529

F50-54

4529

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

9832

Females

3148

F50-54

3148

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11250

Females

4029

F50-54

4029

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10245

Females

3575

F50-54

3575

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11622

Females

4360

F50-54

4360

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

11935

Females

4566

F50-54

4566

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

11382

Females

4169

F50-54

4169

Passing Analysis

Category:
Athletes Passed
3533
Passed By
1403
Net Change
+2130
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15605
5K → 10K65085+565#15605#15040
10K → 15K45166+385#15040#14655
15K → 20K384109+275#14655#14380
20K → Half7818+60#14380#14320
Half → 25K76778-702#14320#15022
25K → 30K436124+312#15022#14710
30K → 20M24337+206#14710#14504
20M → 21M19657+139#14504#14365
21M → 35K2243+221#14365#14144
35K → 23M22835+193#14144#13951
23M → 24M21312+201#13951#13750
24M → 40K14329+114#13750#13636
40K → 25.2M6923+46#13636#13590
25.2M → Finish14227+115#13590#13475
TOTALS35331403+2130
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing