Boston Marathon logo
BOSTON MARATHON 2025

Yun Li

Bib: 25442•F

NJ

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:52
Rank: #26917
Start → 5K
10:35/mi
32:52 split
10K· 6.21 mi
1:04:49
Rank: #26360 (+557)
5K → 10K
10:17/mi
31:57 split
15K· 9.32 mi
1:39:04
Rank: #26497 (-137)
10K → 15K
11:01/mi
34:15 split
20K· 12.43 mi
2:10:44
Rank: #26005 (+492)
15K → 20K
10:12/mi
31:40 split
Half· 13.11 mi
2:17:31
Rank: #25933 (+72)
20K → Half
9:57/mi
6:47 split
25K· 15.53 mi
2:43:58
Rank: #25785 (+148)
Half → 25K
10:55/mi
26:27 split
30K· 18.64 mi
3:20:33
Rank: #25692 (+93)
25K → 30K
11:47/mi
36:35 split
20M
3:37:20
Rank: #25695 (-3)
30K → 20M
12:21/mi
16:47 split
21M
3:49:35
Rank: #25596 (+99)
20M → 21M
12:15/mi
12:15 split
35K· 21.75 mi
3:58:11
Rank: #25586 (+10)
21M → 35K
11:30/mi
8:36 split
23M
4:11:37
Rank: #25456 (+130)
35K → 23M
10:44/mi
13:26 split
24M
4:22:08
Rank: #25367 (+89)
23M → 24M
10:31/mi
10:31 split
40K· 24.85 mi
4:31:05
Rank: #25275 (+92)
24M → 40K
10:28/mi
8:57 split
25.2M
4:35:14
Rank: #25255 (+20)
40K → 25.2M
12:02/mi
4:09 split
Finish· 26.22 mi
4:45:20
Rank: #25207 (+48)
25.2M → Finish
9:55/mi
10:06 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
Time2:17:31
Pace10:29 /mi
2nd Half
Distance13.11 mi
Time2:27:49
Pace11:17 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:34:2632:5210:3532:52
10:35
-
10K
6.21 mi12:06:231:04:4910:2631:57
10:17
-0:18
15K
9.32 mi12:40:381:39:0410:3834:15
11:01
+0:44
20K
12.43 mi13:12:182:10:4410:3131:40
10:12
-0:49
Half
13.11 mi13:19:052:17:3110:296:47
9:57
-0:15
25K
15.53 mi13:45:322:43:5810:3326:27
10:55
+0:58
30K
18.64 mi14:22:073:20:3310:4636:35
11:47
+0:52
20M
20.00 mi14:38:543:37:2010:5216:47
12:21
+0:34
21M
21.00 mi14:51:093:49:3510:5612:15
12:15
-0:06
35K
21.75 mi14:59:453:58:1110:578:36
11:30
-0:45
23M
23.00 mi15:13:114:11:3710:5613:26
10:44
-0:46
24M
24.00 mi15:23:424:22:0810:5510:31
10:31
-0:13
40K
24.85 mi15:32:394:31:0510:548:57
10:28
-0:03
25.2M
25.20 mi15:36:484:35:1410:554:09
12:02
+1:34
Finish
26.22 mi15:46:544:45:2010:5310:06
9:55
-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

9:55 /mi

Average Pace

10:53 /mi

Slowest Pace

12:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:20:30

28% of race

Time at Steady Pace

2:06:28

44% of race

Time at Slower Pace

1:18:22

27% of race

Average Pace: 10:53 /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 mi11:34:2632:5210:3532:52
10:35
#26917
10K
6.21 mi12:06:231:04:4910:2631:57
10:17
#26360
15K
9.32 mi12:40:381:39:0410:3834:15
11:01
#26497
20K
12.43 mi13:12:182:10:4410:3131:40
10:12
#26005
Half
13.11 mi13:19:052:17:3110:296:47
9:57
#25933
25K
15.53 mi13:45:322:43:5810:3326:27
10:55
#25785
30K
18.64 mi14:22:073:20:3310:4636:35
11:47
#25692
20M
20.00 mi14:38:543:37:2010:5216:47
12:21
#25695
21M
21.00 mi14:51:093:49:3510:5612:15
12:15
#25596
35K
21.75 mi14:59:453:58:1110:578:36
11:30
#25586
23M
23.00 mi15:13:114:11:3710:5613:26
10:44
#25456
24M
24.00 mi15:23:424:22:0810:5510:31
10:31
#25367
40K
24.85 mi15:32:394:31:0510:548:57
10:28
#25275
25.2M
25.20 mi15:36:484:35:1410:554:09
12:02
#25255
Finish
26.22 mi15:46:544:45:2010:5310:06
9:55
#25207
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi26917112761127626693(Top 94%)11187(Top 91%)11187(Top 1793%)
10K6.21 mi3.10 mi26360+55710971+30510971+30525875(Top 91%)10720(Top 88%)10720(Top 1718%)
15K9.32 mi3.11 mi26497-13711054-8311054-8326693(Top 94%)11187(Top 91%)11187(Top 1793%)
20K12.43 mi3.11 mi26005+49210790+26410790+26424617(Top 87%)10060(Top 82%)10060(Top 1612%)
Half13.11 mi0.68 mi25933+7210753+3710753+3724686(Top 87%)10108(Top 83%)10108(Top 1620%)
25K15.53 mi2.42 mi25785+14810683+7010683+7025068(Top 88%)10329(Top 84%)10329(Top 1655%)
30K18.64 mi3.11 mi25692+9310668+1510668+1525262(Top 89%)10540(Top 86%)10540(Top 1689%)
20M20.00 mi1.36 mi25695-310679-1110679-1125733(Top 91%)10865(Top 89%)10865(Top 1741%)
21M21.00 mi1.00 mi25596+9910634+4510634+4524004(Top 85%)10038(Top 82%)10038(Top 1609%)
35K21.75 mi0.75 mi25586+1010636-210636-225062(Top 88%)10618(Top 87%)10618(Top 1702%)
23M23.00 mi1.25 mi25456+13010586+5010586+5022576(Top 79%)9385(Top 77%)9385(Top 1504%)
24M24.00 mi1.00 mi25367+8910539+4710539+4722844(Top 80%)9571(Top 78%)9571(Top 1534%)
40K24.85 mi0.85 mi25275+9210503+3610503+3621806(Top 77%)9103(Top 74%)9103(Top 1459%)
25.2M25.20 mi0.35 mi25255+2010491+1210491+1223241(Top 82%)9791(Top 80%)9791(Top 1569%)
Finish26.22 mi1.02 mi25207+4810474+1710474+1722624(Top 80%)9481(Top 78%)9481(Top 1519%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

26693

Females

11187

F60-64

11187

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

25875

Females

10720

F60-64

10720

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

26693

Females

11187

F60-64

11187

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

24617

Females

10060

F60-64

10060

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

24686

Females

10108

F60-64

10108

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

25068

Females

10329

F60-64

10329

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

25262

Females

10540

F60-64

10540

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

25733

Females

10865

F60-64

10865

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

24004

Females

10038

F60-64

10038

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

25062

Females

10618

F60-64

10618

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

22576

Females

9385

F60-64

9385

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

22844

Females

9571

F60-64

9571

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21806

Females

9103

F60-64

9103

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

23241

Females

9791

F60-64

9791

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

22624

Females

9481

F60-64

9481

Passing Analysis

Category:
Athletes Passed
2149
Passed By
439
Net Change
+1710
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26917
5K → 10K57417+557#26917#26360
10K → 15K80217-137#26360#26497
15K → 20K4920+492#26497#26005
20K → Half742+72#26005#25933
Half → 25K17729+148#25933#25785
25K → 30K16269+93#25785#25692
30K → 20M4750-3#25692#25695
20M → 21M1078+99#25695#25596
21M → 35K3626+10#25596#25586
35K → 23M1333+130#25586#25456
23M → 24M989+89#25456#25367
24M → 40K942+92#25367#25275
40K → 25.2M233+20#25275#25255
25.2M → Finish524+48#25255#25207
TOTALS2149439+1710
📊

Passing Visuals

Category:
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