Boston Marathon logo
BOSTON MARATHON 2025

Janaki Caputo

Bib: 22411•F

AZ

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 49%
Masters (Masters Women)
#0 / 6759
Top 38%
Division (F50-54)
#0 / 1303
Top 31%
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
8:20/mi
25:54
↑ 97↓ 3451.5%
10K· 6.21 mi
8:20/mi
51:46
↑ 79↓ 1380.4%
15K· 9.32 mi
8:22/mi
1:17:45
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:44:08
↑ 106↓ 860.1%
Half· 13.11 mi
8:21/mi
1:49:50
↑ 19↓ 370.5%
25K· 15.53 mi
8:32/mi
2:10:32
↑ 66↓ 880.2%
30K· 18.64 mi
8:41/mi
2:37:30
↑ 181↓ 1480.2%
20M
8:39/mi
2:49:15
↑ 64↓ 500.2%
21M
9:10/mi
2:58:25
↑ 106↓ 241.6%
35K· 21.75 mi
8:41/mi
3:04:55
↑ 17↓ 861.7%
23M
8:56/mi
3:16:06
↑ 23↓ 630.6%
24M
8:43/mi
3:24:49
↓ 821.3%
40K· 24.85 mi
8:56/mi
3:32:27
↓ 200.3%
25.2M
9:28/mi
3:35:43
↑ 13↓ 160.2%
Finish· 26.22 mi
8:27/mi
3:44:20
↑ 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
Time1:54:30
Pace8:44 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:2925:548:2025:54
8:20
-
10K
6.21 mi11:46:2151:468:2025:52
8:20
0:00
15K
9.32 mi12:12:201:17:458:2125:59
8:22
+0:02
20K
12.43 mi12:38:431:44:088:2326:23
8:30
+0:08
Half
13.11 mi12:44:251:49:508:235:42
8:21
-0:09
25K
15.53 mi13:05:072:10:328:2420:42
8:32
+0:11
30K
18.64 mi13:32:052:37:308:2726:58
8:41
+0:09
20M
20.00 mi13:43:502:49:158:2811:45
8:39
-0:02
21M
21.00 mi13:53:002:58:258:309:10
9:10
+0:31
35K
21.75 mi13:59:303:04:558:306:30
8:41
-0:29
23M
23.00 mi14:10:413:16:068:3211:11
8:56
+0:15
24M
24.00 mi14:19:243:24:498:328:43
8:43
-0:13
40K
24.85 mi14:27:023:32:278:337:38
8:56
+0:13
25.2M
25.20 mi14:30:183:35:438:343:16
9:28
+0:32
Finish
26.22 mi14:38:553:44:208:348:37
8:27
-1:01

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

8:20 /mi

Average Pace

8:34 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:31:54

94% of race

Time at Steady Pace

12:26

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:33 /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 mi11:20:2925:548:2025:54
8:20
#18955
10K
6.21 mi11:46:2151:468:2025:52
8:20
#18817
15K
9.32 mi12:12:201:17:458:2125:59
8:22
#18672
20K
12.43 mi12:38:431:44:088:2326:23
8:30
#18518
Half
13.11 mi12:44:251:49:508:235:42
8:21
#18503
25K
15.53 mi13:05:072:10:328:2420:42
8:32
#18283
30K
18.64 mi13:32:052:37:308:2726:58
8:41
#17782
20M
20.00 mi13:43:502:49:158:2811:45
8:39
#17540
21M
21.00 mi13:53:002:58:258:309:10
9:10
#17337
35K
21.75 mi13:59:303:04:558:306:30
8:41
#17294
23M
23.00 mi14:10:413:16:068:3211:11
8:56
#17197
24M
24.00 mi14:19:243:24:498:328:43
8:43
#17129
40K
24.85 mi14:27:023:32:278:337:38
8:56
#17074
25.2M
25.20 mi14:30:183:35:438:343:16
9:28
#17024
Finish
26.22 mi14:38:553:44:208:348:37
8:27
#16979
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi189556884688418479(Top 65%)6595(Top 54%)6595(Top 506%)
10K6.21 mi3.10 mi18817+1386802+826802+8218722(Top 66%)6717(Top 55%)6717(Top 516%)
15K9.32 mi3.11 mi18672+1456715+876715+8718479(Top 65%)6595(Top 54%)6595(Top 506%)
20K12.43 mi3.11 mi18518+1546631+846631+8418183(Top 64%)6438(Top 53%)6438(Top 494%)
Half13.11 mi0.68 mi18503+156617+146617+1418324(Top 65%)6501(Top 53%)6501(Top 499%)
25K15.53 mi2.42 mi18283+2206517+1006517+10017420(Top 61%)6095(Top 50%)6095(Top 468%)
30K18.64 mi3.11 mi17782+5016274+2436274+24315894(Top 56%)5402(Top 44%)5402(Top 415%)
20M20.00 mi1.36 mi17540+2426169+1056169+10514738(Top 52%)4913(Top 40%)4913(Top 377%)
21M21.00 mi1.00 mi17337+2036079+906079+9014471(Top 51%)4883(Top 40%)4883(Top 375%)
35K21.75 mi0.75 mi17294+436075+46075+416641(Top 59%)6137(Top 50%)6137(Top 471%)
23M23.00 mi1.25 mi17197+976051+246051+2415891(Top 56%)5829(Top 48%)5829(Top 447%)
24M24.00 mi1.00 mi17129+686028+236028+2315860(Top 56%)5850(Top 48%)5850(Top 449%)
40K24.85 mi0.85 mi17074+556030-26030-215919(Top 56%)5999(Top 49%)5999(Top 460%)
25.2M25.20 mi0.35 mi17024+506017+136017+1314524(Top 51%)5313(Top 43%)5313(Top 408%)
Finish26.22 mi1.02 mi16979+456004+136004+1315966(Top 56%)6004(Top 49%)6004(Top 461%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

18479

Females

6595

F50-54

6595

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

18722

Females

6717

F50-54

6717

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

18479

Females

6595

F50-54

6595

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

18183

Females

6438

F50-54

6438

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

18324

Females

6501

F50-54

6501

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

17420

Females

6095

F50-54

6095

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

15894

Females

5402

F50-54

5402

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

14738

Females

4913

F50-54

4913

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

14471

Females

4883

F50-54

4883

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

16641

Females

6137

F50-54

6137

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

15891

Females

5829

F50-54

5829

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

15860

Females

5850

F50-54

5850

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15919

Females

5999

F50-54

5999

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14524

Females

5313

F50-54

5313

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

15966

Females

6004

F50-54

6004

Passing Analysis

Category:
Athletes Passed
2788
Passed By
812
Net Change
+1976
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18955
5K → 10K329191+138#18955#18817
10K → 15K270125+145#18817#18672
15K → 20K273119+154#18672#18518
20K → Half4025+15#18518#18503
Half → 25K28262+220#18503#18283
25K → 30K53130+501#18283#17782
30K → 20M2508+242#17782#17540
20M → 21M22219+203#17540#17337
21M → 35K8845+43#17337#17294
35K → 23M15659+97#17294#17197
23M → 24M11042+68#17197#17129
24M → 40K9035+55#17129#17074
40K → 25.2M6111+50#17074#17024
25.2M → Finish8641+45#17024#16979
TOTALS2788812+1976
📊

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