Boston Marathon logo
BOSTON MARATHON 2025

Yin Lu

Bib: 24213•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 40%
Division (F55-59)
#0 / 994
Top 19%
Race Day Weather
50°/40°F
broken 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
8:12/mi
25:30
↑ 97↓ 3451.5%
10K· 6.21 mi
8:11/mi
50:55
↑ 79↓ 1380.4%
15K· 9.32 mi
8:25/mi
1:17:03
↑ 67↓ 78
20K· 12.43 mi
8:39/mi
1:43:55
↑ 106↓ 860.1%
Half· 13.11 mi
8:40/mi
1:49:50
↑ 19↓ 370.5%
25K· 15.53 mi
8:49/mi
2:11:12
↑ 66↓ 880.2%
30K· 18.64 mi
9:08/mi
2:39:34
↑ 181↓ 1480.2%
20M
8:42/mi
2:51:23
↑ 64↓ 500.2%
21M
9:14/mi
3:00:37
↑ 106↓ 241.6%
35K· 21.75 mi
8:29/mi
3:06:58
↑ 17↓ 861.7%
23M
8:34/mi
3:17:41
↑ 23↓ 630.6%
24M
8:25/mi
3:26:06
↓ 821.3%
40K· 24.85 mi
8:36/mi
3:33:27
↓ 200.3%
25.2M
9:31/mi
3:36:44
↑ 13↓ 160.2%
Finish· 26.22 mi
8:38/mi
3:45:32
↑ 22↓ 21

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
Time1:49:50
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time1:55:42
Pace8:50 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:4025:308:1225:30
8:12
-
10K
6.21 mi11:49:0550:558:1225:25
8:11
-0:01
15K
9.32 mi12:15:131:17:038:1626:08
8:25
+0:14
20K
12.43 mi12:42:051:43:558:2226:52
8:39
+0:14
Half
13.11 mi12:48:001:49:508:235:55
8:40
+0:01
25K
15.53 mi13:09:222:11:128:2721:22
8:49
+0:09
30K
18.64 mi13:37:442:39:348:3428:22
9:08
+0:19
20M
20.00 mi13:49:332:51:238:3411:49
8:42
-0:26
21M
21.00 mi13:58:473:00:378:369:14
9:14
+0:32
35K
21.75 mi14:05:083:06:588:366:21
8:29
-0:45
23M
23.00 mi14:15:513:17:418:3610:43
8:34
+0:05
24M
24.00 mi14:24:163:26:068:358:25
8:25
-0:09
40K
24.85 mi14:31:373:33:278:357:21
8:36
+0:11
25.2M
25.20 mi14:34:543:36:448:363:17
9:31
+0:55
Finish
26.22 mi14:43:423:45:328:368:48
8:38
-0:53

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

8:36 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:39

82% of race

Time at Steady Pace

40:53

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:36 /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 mi11:23:4025:308:1225:30
8:12
#18172
10K
6.21 mi11:49:0550:558:1225:25
8:11
#17953
15K
9.32 mi12:15:131:17:038:1626:08
8:25
#18195
20K
12.43 mi12:42:051:43:558:2226:52
8:39
#18402
Half
13.11 mi12:48:001:49:508:235:55
8:40
#18506
25K
15.53 mi13:09:222:11:128:2721:22
8:49
#18562
30K
18.64 mi13:37:442:39:348:3428:22
9:08
#18507
20M
20.00 mi13:49:332:51:238:3411:49
8:42
#18219
21M
21.00 mi13:58:473:00:378:369:14
9:14
#18020
35K
21.75 mi14:05:083:06:588:366:21
8:29
#17912
23M
23.00 mi14:15:513:17:418:3610:43
8:34
#17633
24M
24.00 mi14:24:163:26:068:358:25
8:25
#17464
40K
24.85 mi14:31:373:33:278:357:21
8:36
#17329
25.2M
25.20 mi14:34:543:36:448:363:17
9:31
#17276
Finish
26.22 mi14:43:423:45:328:368:48
8:38
#17276
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi181726443644318781(Top 66%)6771(Top 55%)6771(Top 681%)
10K6.21 mi3.10 mi17953+2196297+1466297+14617769(Top 63%)6162(Top 50%)6162(Top 620%)
15K9.32 mi3.11 mi18195-2426444-1476444-14718781(Top 66%)6771(Top 55%)6771(Top 681%)
20K12.43 mi3.11 mi18402-2076570-1266570-12619133(Top 67%)6981(Top 57%)6981(Top 702%)
Half13.11 mi0.68 mi18506-1046620-506620-5020204(Top 71%)7577(Top 62%)7577(Top 762%)
25K15.53 mi2.42 mi18562-566675-556675-5518994(Top 67%)6971(Top 57%)6971(Top 701%)
30K18.64 mi3.11 mi18507+556663+126663+1218315(Top 64%)6749(Top 55%)6749(Top 679%)
20M20.00 mi1.36 mi18219+2886537+1266537+12615069(Top 53%)5090(Top 42%)5090(Top 512%)
21M21.00 mi1.00 mi18020+1996445+926445+9214854(Top 52%)5094(Top 42%)5094(Top 512%)
35K21.75 mi0.75 mi17912+1086387+586387+5815445(Top 54%)5501(Top 45%)5501(Top 553%)
23M23.00 mi1.25 mi17633+2796295+926295+9213709(Top 48%)4660(Top 38%)4660(Top 469%)
24M24.00 mi1.00 mi17464+1696226+696226+6914036(Top 49%)4855(Top 40%)4855(Top 488%)
40K24.85 mi0.85 mi17329+1356172+546172+5414086(Top 50%)5023(Top 41%)5023(Top 505%)
25.2M25.20 mi0.35 mi17276+536156+166156+1614775(Top 52%)5445(Top 45%)5445(Top 548%)
Finish26.22 mi1.02 mi172766175-196175-1917106(Top 60%)6611(Top 54%)6611(Top 665%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

18781

Females

6771

F55-59

6771

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

17769

Females

6162

F55-59

6162

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

18781

Females

6771

F55-59

6771

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

19133

Females

6981

F55-59

6981

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

20204

Females

7577

F55-59

7577

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

18994

Females

6971

F55-59

6971

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

18315

Females

6749

F55-59

6749

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

15069

Females

5090

F55-59

5090

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

14854

Females

5094

F55-59

5094

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

15445

Females

5501

F55-59

5501

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

13709

Females

4660

F55-59

4660

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

14036

Females

4855

F55-59

4855

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14086

Females

5023

F55-59

5023

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

14775

Females

5445

F55-59

5445

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

17106

Females

6611

F55-59

6611

Passing Analysis

Category:
Athletes Passed
2439
Passed By
1543
Net Change
+896
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18172
5K → 10K406187+219#18172#17953
10K → 15K103345-242#17953#18195
15K → 20K134341-207#18195#18402
20K → Half9113-104#18402#18506
Half → 25K151207-56#18506#18562
25K → 30K267212+55#18562#18507
30K → 20M2968+288#18507#18219
20M → 21M21516+199#18219#18020
21M → 35K11911+108#18020#17912
35K → 23M2889+279#17912#17633
23M → 24M1789+169#17633#17464
24M → 40K14813+135#17464#17329
40K → 25.2M629+53#17329#17276
25.2M → Finish63630#17276#17276
TOTALS24391543+896
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing