Boston Marathon logo
BOSTON MARATHON 2025

Jennifer Lee

Bib: 25594•F

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F65-69)
#0 / 222
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
10:25/mi
32:23
↑ 97↓ 3451.5%
10K· 6.21 mi
11:20/mi
1:07:36
↑ 79↓ 1380.4%
15K· 9.32 mi
11:57/mi
1:44:44
↑ 67↓ 78
20K· 12.43 mi
12:29/mi
2:23:30
↑ 106↓ 860.1%
Half· 13.11 mi
12:47/mi
2:32:13
↑ 19↓ 370.5%
25K· 15.53 mi
11:07/mi
2:59:10
↑ 66↓ 880.2%
30K· 18.64 mi
11:28/mi
3:34:48
↑ 181↓ 1480.2%
20M
10:51/mi
3:49:33
↑ 64↓ 500.2%
21M
12:03/mi
4:01:36
↑ 106↓ 241.6%
35K· 21.75 mi
10:23/mi
4:09:22
↑ 17↓ 861.7%
23M
11:08/mi
4:23:18
↑ 23↓ 630.6%
24M
11:51/mi
4:35:09
↓ 821.3%
40K· 24.85 mi
11:23/mi
4:44:53
↓ 200.3%
25.2M
12:51/mi
4:49:19
↑ 13↓ 160.2%
Finish· 26.22 mi
10:50/mi
5:00:21
↑ 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 Half
Distance13.11 mi
Time2:32:13
Pace11:37 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:28:08
Pace11:18 /mi
📊Negative Split: 2.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:4432:2310:2532:23
10:25
-
10K
6.21 mi12:22:571:07:3610:5335:13
11:20
+0:55
15K
9.32 mi13:00:051:44:4411:1437:08
11:57
+0:37
20K
12.43 mi13:38:512:23:3011:3338:46
12:29
+0:32
Half
13.11 mi13:47:342:32:1311:378:43
12:47
+0:18
25K
15.53 mi14:14:312:59:1011:3226:57
11:07
-1:40
30K
18.64 mi14:50:093:34:4811:3135:38
11:28
+0:21
20M
20.00 mi15:04:543:49:3311:2914:45
10:51
-0:37
21M
21.00 mi15:16:574:01:3611:3012:03
12:03
+1:12
35K
21.75 mi15:24:434:09:2211:287:46
10:23
-1:40
23M
23.00 mi15:38:394:23:1811:2713:56
11:08
+0:45
24M
24.00 mi15:50:304:35:0911:2811:51
11:51
+0:43
40K
24.85 mi16:00:144:44:5311:289:44
11:23
-0:28
25.2M
25.20 mi16:04:404:49:1911:294:26
12:51
+1:28
Finish
26.22 mi16:15:425:00:2111:2811:02
10:50
-2:01

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

10:23 /mi

Average Pace

11:28 /mi

Slowest Pace

12:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:05:56

22% of race

Time at Steady Pace

2:01:28

40% of race

Time at Slower Pace

1:52:57

38% of race

Average Pace: 11:27 /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 mi11:47:4432:2310:2532:23
10:25
#26598
10K
6.21 mi12:22:571:07:3610:5335:13
11:20
#27161
15K
9.32 mi13:00:051:44:4411:1437:08
11:57
#27354
20K
12.43 mi13:38:512:23:3011:3338:46
12:29
#27420
Half
13.11 mi13:47:342:32:1311:378:43
12:47
#27477
25K
15.53 mi14:14:312:59:1011:3226:57
11:07
#27146
30K
18.64 mi14:50:093:34:4811:3135:38
11:28
#26815
20M
20.00 mi15:04:543:49:3311:2914:45
10:51
#26607
21M
21.00 mi15:16:574:01:3611:3012:03
12:03
#26478
35K
21.75 mi15:24:434:09:2211:287:46
10:23
#26389
23M
23.00 mi15:38:394:23:1811:2713:56
11:08
#26262
24M
24.00 mi15:50:304:35:0911:2811:51
11:51
#26229
40K
24.85 mi16:00:144:44:5311:289:44
11:23
#26176
25.2M
25.20 mi16:04:404:49:1911:294:26
12:51
#26166
Finish
26.22 mi16:15:425:00:2111:2811:02
10:50
#26146
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi26598110961109627587(Top 97%)11738(Top 96%)11738(Top 5287%)
10K6.21 mi3.10 mi27161-56311453-35711453-35727423(Top 97%)11620(Top 95%)11620(Top 5234%)
15K9.32 mi3.11 mi27354-19311564-11111564-11127587(Top 97%)11738(Top 96%)11738(Top 5287%)
20K12.43 mi3.11 mi27420-6611611-4711611-4727500(Top 97%)11699(Top 96%)11699(Top 5270%)
Half13.11 mi0.68 mi27477-5711649-3811649-3827892(Top 98%)11937(Top 98%)11937(Top 5377%)
25K15.53 mi2.42 mi27146+33111465+18411465+18425368(Top 89%)10500(Top 86%)10500(Top 4730%)
30K18.64 mi3.11 mi26815+33111292+17311292+17324809(Top 87%)10302(Top 84%)10302(Top 4641%)
20M20.00 mi1.36 mi26607+20811176+11611176+11623274(Top 82%)9569(Top 78%)9569(Top 4310%)
21M21.00 mi1.00 mi26478+12911112+6411112+6423676(Top 83%)9859(Top 81%)9859(Top 4441%)
35K21.75 mi0.75 mi26389+8911077+3511077+3522881(Top 81%)9494(Top 78%)9494(Top 4277%)
23M23.00 mi1.25 mi26262+12711016+6111016+6123503(Top 83%)9851(Top 81%)9851(Top 4437%)
24M24.00 mi1.00 mi26229+3311013+311013+325473(Top 90%)10866(Top 89%)10866(Top 4895%)
40K24.85 mi0.85 mi26176+5310986+2710986+2723912(Top 84%)10131(Top 83%)10131(Top 4564%)
25.2M25.20 mi0.35 mi26166+1010983+310983+324793(Top 87%)10578(Top 87%)10578(Top 4765%)
Finish26.22 mi1.02 mi26146+2010972+1110972+1124993(Top 88%)10653(Top 87%)10653(Top 4799%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

27587

Females

11738

F65-69

11738

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

27423

Females

11620

F65-69

11620

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

27587

Females

11738

F65-69

11738

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

27500

Females

11699

F65-69

11699

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

27892

Females

11937

F65-69

11937

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

25368

Females

10500

F65-69

10500

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

24809

Females

10302

F65-69

10302

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

23274

Females

9569

F65-69

9569

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

23676

Females

9859

F65-69

9859

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

22881

Females

9494

F65-69

9494

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

23503

Females

9851

F65-69

9851

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

25473

Females

10866

F65-69

10866

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23912

Females

10131

F65-69

10131

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24793

Females

10578

F65-69

10578

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

24993

Females

10653

F65-69

10653

Passing Analysis

Category:
Athletes Passed
1522
Passed By
1070
Net Change
+452
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26598
5K → 10K36599-563#26598#27161
10K → 15K47240-193#27161#27354
15K → 20K58124-66#27354#27420
20K → Half764-57#27420#27477
Half → 25K3321+331#27477#27146
25K → 30K3343+331#27146#26815
30K → 20M2080+208#26815#26607
20M → 21M1312+129#26607#26478
21M → 35K890+89#26478#26389
35K → 23M1270+127#26389#26262
23M → 24M4411+33#26262#26229
24M → 40K596+53#26229#26176
40K → 25.2M155+10#26176#26166
25.2M → Finish3515+20#26166#26146
TOTALS15221070+452
📊

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