Boston Marathon logo
BOSTON MARATHON 2025

Julia Taylor

Bib: 23516•F

VA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
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
8:48/mi
27:20
↑ 97↓ 3451.5%
10K· 6.21 mi
8:50/mi
54:47
↑ 79↓ 1380.4%
15K· 9.32 mi
8:46/mi
1:22:01
↑ 67↓ 78
20K· 12.43 mi
9:04/mi
1:50:11
↑ 106↓ 860.1%
Half· 13.11 mi
8:52/mi
1:56:14
↑ 19↓ 370.5%
25K· 15.53 mi
9:24/mi
2:19:02
↑ 66↓ 880.2%
30K· 18.64 mi
10:16/mi
2:50:55
↑ 181↓ 1480.2%
20M
10:03/mi
3:04:35
↑ 64↓ 500.2%
21M
10:37/mi
3:15:12
↑ 106↓ 241.6%
35K· 21.75 mi
9:41/mi
3:22:27
↑ 17↓ 861.7%
23M
10:12/mi
3:35:13
↑ 23↓ 630.6%
24M
10:28/mi
3:45:41
↓ 821.3%
40K· 24.85 mi
10:33/mi
3:54:42
↓ 200.3%
25.2M
11:07/mi
3:58:32
↑ 13↓ 160.2%
Finish· 26.22 mi
9:53/mi
4:08:36
↑ 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
Time1:56:14
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time2:12:22
Pace10:06 /mi
📊Positive Split: 13.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:3327:208:4827:20
8:48
-
10K
6.21 mi11:54:0054:478:4927:27
8:50
+0:02
15K
9.32 mi12:21:141:22:018:4827:14
8:46
-0:04
20K
12.43 mi12:49:241:50:118:5228:10
9:04
+0:18
Half
13.11 mi12:55:271:56:148:526:03
8:52
-0:12
25K
15.53 mi13:18:152:19:028:5722:48
9:24
+0:32
30K
18.64 mi13:50:082:50:559:1031:53
10:16
+0:52
20M
20.00 mi14:03:483:04:359:1413:40
10:03
-0:13
21M
21.00 mi14:14:253:15:129:1810:37
10:37
+0:34
35K
21.75 mi14:21:403:22:279:197:15
9:41
-0:56
23M
23.00 mi14:34:263:35:139:2112:46
10:12
+0:31
24M
24.00 mi14:44:543:45:419:2410:28
10:28
+0:16
40K
24.85 mi14:53:553:54:429:279:01
10:33
+0:05
25.2M
25.20 mi14:57:453:58:329:283:50
11:07
+0:34
Finish
26.22 mi15:07:494:08:369:2910:04
9:53
-1:14

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

8:46 /mi

Average Pace

9:29 /mi

Slowest Pace

11:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:02

56% of race

Time at Steady Pace

43:45

18% of race

Time at Slower Pace

1:05:49

26% of race

Average Pace: 9:29 /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 mi11:26:3327:208:4827:20
8:48
#21514
10K
6.21 mi11:54:0054:478:4927:27
8:50
#21540
15K
9.32 mi12:21:141:22:018:4827:14
8:46
#21267
20K
12.43 mi12:49:241:50:118:5228:10
9:04
#21252
Half
13.11 mi12:55:271:56:148:526:03
8:52
#21259
25K
15.53 mi13:18:152:19:028:5722:48
9:24
#21348
30K
18.64 mi13:50:082:50:559:1031:53
10:16
#21617
20M
20.00 mi14:03:483:04:359:1413:40
10:03
#21592
21M
21.00 mi14:14:253:15:129:1810:37
10:37
#21517
35K
21.75 mi14:21:403:22:279:197:15
9:41
#21500
23M
23.00 mi14:34:263:35:139:2112:46
10:12
#21458
24M
24.00 mi14:44:543:45:419:2410:28
10:28
#21527
40K
24.85 mi14:53:553:54:429:279:01
10:33
#21542
25.2M
25.20 mi14:57:453:58:329:283:50
11:07
#21534
Finish
26.22 mi15:07:494:08:369:2910:04
9:53
#21556
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi215148371837120861(Top 73%)7925(Top 65%)7925(Top 608%)
10K6.21 mi3.10 mi21540-268361+108361+1021583(Top 76%)8362(Top 68%)8362(Top 642%)
15K9.32 mi3.11 mi21267+2738184+1778184+17720861(Top 73%)7925(Top 65%)7925(Top 608%)
20K12.43 mi3.11 mi21252+158172+128172+1221310(Top 75%)8206(Top 67%)8206(Top 630%)
Half13.11 mi0.68 mi21259-78176-48176-421288(Top 75%)8202(Top 67%)8202(Top 629%)
25K15.53 mi2.42 mi21348-898241-658241-6521559(Top 76%)8400(Top 69%)8400(Top 645%)
30K18.64 mi3.11 mi21617-2698412-1718412-17122349(Top 79%)8969(Top 73%)8969(Top 688%)
20M20.00 mi1.36 mi21592+258413-18413-121158(Top 74%)8448(Top 69%)8448(Top 648%)
21M21.00 mi1.00 mi21517+758403+108403+1020370(Top 72%)8116(Top 66%)8116(Top 623%)
35K21.75 mi0.75 mi21500+178402+18402+120998(Top 74%)8502(Top 70%)8502(Top 652%)
23M23.00 mi1.25 mi21458+428406-48406-421117(Top 74%)8616(Top 70%)8616(Top 661%)
24M24.00 mi1.00 mi21527-698469-638469-6322727(Top 80%)9496(Top 78%)9496(Top 729%)
40K24.85 mi0.85 mi21542-158497-288497-2822049(Top 78%)9221(Top 75%)9221(Top 708%)
25.2M25.20 mi0.35 mi21534+88502-58502-521027(Top 74%)8671(Top 71%)8671(Top 665%)
Finish26.22 mi1.02 mi21556-228532-308532-3022565(Top 79%)9445(Top 77%)9445(Top 725%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

20861

Females

7925

F50-54

7925

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

21583

Females

8362

F50-54

8362

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

20861

Females

7925

F50-54

7925

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

21310

Females

8206

F50-54

8206

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

21288

Females

8202

F50-54

8202

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

21559

Females

8400

F50-54

8400

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

22349

Females

8969

F50-54

8969

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

21158

Females

8448

F50-54

8448

20M→21M

20.0 - 21.0 mi

Top 72%
×8story building
+106ft-24ft

Overall

20370

Females

8116

F50-54

8116

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

20998

Females

8502

F50-54

8502

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

21117

Females

8616

F50-54

8616

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

22727

Females

9496

F50-54

9496

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22049

Females

9221

F50-54

9221

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

21027

Females

8671

F50-54

8671

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

22565

Females

9445

F50-54

9445

Passing Analysis

Category:
Athletes Passed
1647
Passed By
1689
Net Change
-42
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21514
5K → 10K265291-26#21514#21540
10K → 15K36996+273#21540#21267
15K → 20K203188+15#21267#21252
20K → Half3239-7#21252#21259
Half → 25K122211-89#21259#21348
25K → 30K120389-269#21348#21617
30K → 20M10378+25#21617#21592
20M → 21M11338+75#21592#21517
21M → 35K6346+17#21517#21500
35K → 23M10765+42#21500#21458
23M → 24M35104-69#21458#21527
24M → 40K5065-15#21527#21542
40K → 25.2M2416+8#21542#21534
25.2M → Finish4163-22#21534#21556
TOTALS16471689-42
📊

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