Boston Marathon logo
BOSTON MARATHON 2024

Yulin Weng

Bib: 19498•F

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:27
Rank: #15989
Start → 5K
8:11/mi
25:27 split
10K· 6.21 mi
51:33
Rank: #16325 (-336)
5K → 10K
8:24/mi
26:06 split
15K· 9.32 mi
1:18:05
Rank: #16399 (-74)
10K → 15K
8:32/mi
26:32 split
20K· 12.43 mi
1:45:23
Rank: #16304 (+95)
15K → 20K
8:47/mi
27:18 split
Half· 13.11 mi
1:51:17
Rank: #16313 (-9)
20K → Half
8:39/mi
5:54 split
25K· 15.53 mi
2:14:20
Rank: #16559 (-246)
Half → 25K
9:30/mi
23:03 split
30K· 18.64 mi
2:45:57
Rank: #16900 (-341)
25K → 30K
10:11/mi
31:37 split
20M
3:00:45
Rank: #17165 (-265)
30K → 20M
10:53/mi
14:48 split
21M
3:12:57
Rank: #17391 (-226)
20M → 21M
12:12/mi
12:12 split
35K· 21.75 mi
3:20:45
Rank: #17442 (-51)
21M → 35K
10:26/mi
7:48 split
23M
3:33:52
Rank: #17435 (+7)
35K → 23M
10:29/mi
13:07 split
24M
3:43:49
Rank: #17373 (+62)
23M → 24M
9:57/mi
9:57 split
40K· 24.85 mi
3:53:16
Rank: #17406 (-33)
24M → 40K
11:03/mi
9:27 split
25.2M
3:57:20
Rank: #17362 (+44)
40K → 25.2M
11:48/mi
4:04 split
Finish· 26.22 mi
4:07:57
Rank: #17427 (-65)
25.2M → Finish
10:25/mi
10:37 split

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
Time1:51:17
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time2:16:40
Pace10:26 /mi
📊Positive Split: 22.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3725:278:1125:27
8:11
-
10K
6.21 mi11:44:4351:338:1826:06
8:24
+0:13
15K
9.32 mi12:11:151:18:058:2326:32
8:32
+0:08
20K
12.43 mi12:38:331:45:238:2927:18
8:47
+0:15
Half
13.11 mi12:44:271:51:178:295:54
8:39
-0:08
25K
15.53 mi13:07:302:14:208:3923:03
9:30
+0:51
30K
18.64 mi13:39:072:45:578:5431:37
10:11
+0:41
20M
20.00 mi13:53:553:00:459:0214:48
10:53
+0:42
21M
21.00 mi14:06:073:12:579:1112:12
12:12
+1:19
35K
21.75 mi14:13:553:20:459:147:48
10:26
-1:46
23M
23.00 mi14:27:023:33:529:1813:07
10:29
+0:03
24M
24.00 mi14:36:593:43:499:209:57
9:57
-0:32
40K
24.85 mi14:46:263:53:169:239:27
11:03
+1:06
25.2M
25.20 mi14:50:303:57:209:254:04
11:48
+0:45
Finish
26.22 mi15:01:074:07:579:2810:37
10:25
-1:23

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

8:11 /mi

Average Pace

9:28 /mi

Slowest Pace

12:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:20

54% of race

Time at Steady Pace

1:13:06

29% of race

Time at Slower Pace

40:31

16% of race

Average Pace: 9:27 /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 mi11:18:3725:278:1125:27
8:11
#15989
10K
6.21 mi11:44:4351:338:1826:06
8:24
#16325
15K
9.32 mi12:11:151:18:058:2326:32
8:32
#16399
20K
12.43 mi12:38:331:45:238:2927:18
8:47
#16304
Half
13.11 mi12:44:271:51:178:295:54
8:39
#16313
25K
15.53 mi13:07:302:14:208:3923:03
9:30
#16559
30K
18.64 mi13:39:072:45:578:5431:37
10:11
#16900
20M
20.00 mi13:53:553:00:459:0214:48
10:53
#17165
21M
21.00 mi14:06:073:12:579:1112:12
12:12
#17391
35K
21.75 mi14:13:553:20:459:147:48
10:26
#17442
23M
23.00 mi14:27:023:33:529:1813:07
10:29
#17435
24M
24.00 mi14:36:593:43:499:209:57
9:57
#17373
40K
24.85 mi14:46:263:53:169:239:27
11:03
#17406
25.2M
25.20 mi14:50:303:57:209:254:04
11:48
#17362
Finish
26.22 mi15:01:074:07:579:2810:37
10:25
#17427
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi159895558555816632(Top 65%)5938(Top 54%)5938(Top 500%)
10K6.21 mi3.10 mi16325-3365758-2005758-20016712(Top 65%)5962(Top 55%)5962(Top 502%)
15K9.32 mi3.11 mi16399-745802-445802-4416632(Top 65%)5938(Top 54%)5938(Top 500%)
20K12.43 mi3.11 mi16304+955747+555747+5516328(Top 64%)5786(Top 53%)5786(Top 487%)
Half13.11 mi0.68 mi16313-95759-125759-1216592(Top 65%)5994(Top 55%)5994(Top 505%)
25K15.53 mi2.42 mi16559-2465935-1765935-17617589(Top 69%)6583(Top 60%)6583(Top 555%)
30K18.64 mi3.11 mi16900-3416207-2726207-27217908(Top 70%)6990(Top 64%)6990(Top 589%)
20M20.00 mi1.36 mi17165-2656380-1736380-17319010(Top 74%)7714(Top 71%)7714(Top 650%)
21M21.00 mi1.00 mi17391-2266544-1646544-16419247(Top 75%)7933(Top 73%)7933(Top 668%)
35K21.75 mi0.75 mi17442-516591-476591-4718382(Top 72%)7524(Top 69%)7524(Top 634%)
23M23.00 mi1.25 mi17435+76613-226613-2216994(Top 67%)6912(Top 63%)6912(Top 582%)
24M24.00 mi1.00 mi17373+626602+116602+1116169(Top 63%)6537(Top 60%)6537(Top 551%)
40K24.85 mi0.85 mi17406-336656-546656-5418232(Top 71%)7609(Top 70%)7609(Top 641%)
25.2M25.20 mi0.35 mi17362+446646+106646+1016850(Top 66%)6960(Top 64%)6960(Top 586%)
Finish26.22 mi1.02 mi17427-656711-656711-6519776(Top 77%)8362(Top 77%)8362(Top 704%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

16632

Females

5938

F50-54

5938

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

16712

Females

5962

F50-54

5962

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

16632

Females

5938

F50-54

5938

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

16328

Females

5786

F50-54

5786

20K→Half

12.4 - 13.1 mi

Top 65%
×2stories
+19ft-37ft

Overall

16592

Females

5994

F50-54

5994

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

17589

Females

6583

F50-54

6583

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

17908

Females

6990

F50-54

6990

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

19010

Females

7714

F50-54

7714

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

19247

Females

7933

F50-54

7933

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

18382

Females

7524

F50-54

7524

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

16994

Females

6912

F50-54

6912

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16169

Females

6537

F50-54

6537

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18232

Females

7609

F50-54

7609

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

16850

Females

6960

F50-54

6960

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

19776

Females

8362

F50-54

8362

Passing Analysis

Category:
Athletes Passed
1551
Passed By
2989
Net Change
-1438
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15989
5K → 10K161497-336#15989#16325
10K → 15K211285-74#16325#16399
15K → 20K299204+95#16399#16304
20K → Half4251-9#16304#16313
Half → 25K158404-246#16313#16559
25K → 30K135476-341#16559#16900
30K → 20M59324-265#16900#17165
20M → 21M45271-226#17165#17391
21M → 35K57108-51#17391#17442
35K → 23M116109+7#17442#17435
23M → 24M9533+62#17435#17373
24M → 40K6497-33#17373#17406
40K → 25.2M5915+44#17406#17362
25.2M → Finish50115-65#17362#17427
TOTALS15512989-1438
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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