Boston Marathon logo
BOSTON MARATHON 2025

Sunita Singh

Bib: 10466•F

TX

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 22%
Gender (Female)
#0 / 12228
Top 6%
Masters (Masters Women)
#0 / 6759
Top 1%
Division (F50-54)
#0 / 1303
Top 0.5%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:54
Rank: #8221
Start → 5K
21:54 | 7:03/mi
10K· 6.21 mi
43:31
Rank: #7888 (+333)
5K → 10K
21:37 | 6:57/mi
15K· 9.32 mi
1:05:18
Rank: #7798 (+90)
10K → 15K
21:47 | 7:01/mi
20K· 12.43 mi
1:27:19
Rank: #7669 (+129)
15K → 20K
22:01 | 7:05/mi
Half· 13.11 mi
1:32:04
Rank: #7645 (+24)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:49:21
Rank: #7514 (+131)
Half → 25K
17:17 | 7:08/mi
30K· 18.64 mi
2:12:15
Rank: #7320 (+194)
25K → 30K
22:54 | 7:22/mi
20M
2:22:18
Rank: #7169 (+151)
30K → 20M
10:03 | 7:24/mi
21M
2:30:11
Rank: #7072 (+97)
20M → 21M
7:53 | 7:53/mi
35K· 21.75 mi
2:35:20
Rank: #6945 (+127)
21M → 35K
5:09 | 6:53/mi
23M
2:44:18
Rank: #6696 (+249)
35K → 23M
8:58 | 7:10/mi
24M
2:51:12
Rank: #6515 (+181)
23M → 24M
6:54 | 6:54/mi
40K· 24.85 mi
2:57:13
Rank: #6384 (+131)
24M → 40K
6:01 | 7:02/mi
25.2M
2:59:56
Rank: #6338 (+46)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:06:54
Rank: #6216 (+122)
25.2M → Finish
6:58 | 6:50/mi

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
Time1:32:04
Pace7:01 /mi
2nd Half
Distance13.11 mi
Time1:34:50
Pace7:14 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3121:547:0321:54
7:03
-
10K
6.21 mi11:09:0843:317:0021:37
6:57
-0:06
15K
9.32 mi11:30:551:05:187:0021:47
7:01
+0:04
20K
12.43 mi11:52:561:27:197:0222:01
7:05
+0:04
Half
13.11 mi11:57:411:32:047:014:45
6:58
-0:07
25K
15.53 mi12:14:581:49:217:0217:17
7:08
+0:10
30K
18.64 mi12:37:522:12:157:0622:54
7:22
+0:14
20M
20.00 mi12:47:552:22:187:0710:03
7:24
+0:02
21M
21.00 mi12:55:482:30:117:097:53
7:53
+0:29
35K
21.75 mi13:00:572:35:207:095:09
6:53
-1:00
23M
23.00 mi13:09:552:44:187:098:58
7:10
+0:17
24M
24.00 mi13:16:492:51:127:086:54
6:54
-0:16
40K
24.85 mi13:22:502:57:137:086:01
7:02
+0:08
25.2M
25.20 mi13:25:332:59:567:082:43
7:53
+0:51
Finish
26.22 mi13:32:313:06:547:086:58
6:50
-1:03

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

6:50 /mi

Average Pace

7:08 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:18

94% of race

Time at Steady Pace

10:36

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:08 /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 mi10:47:3121:547:0321:54
7:03
#8221
10K
6.21 mi11:09:0843:317:0021:37
6:57
#7888
15K
9.32 mi11:30:551:05:187:0021:47
7:01
#7798
20K
12.43 mi11:52:561:27:197:0222:01
7:05
#7669
Half
13.11 mi11:57:411:32:047:014:45
6:58
#7645
25K
15.53 mi12:14:581:49:217:0217:17
7:08
#7514
30K
18.64 mi12:37:522:12:157:0622:54
7:22
#7320
20M
20.00 mi12:47:552:22:187:0710:03
7:24
#7169
21M
21.00 mi12:55:482:30:117:097:53
7:53
#7072
35K
21.75 mi13:00:572:35:207:095:09
6:53
#6945
23M
23.00 mi13:09:552:44:187:098:58
7:10
#6696
24M
24.00 mi13:16:492:51:127:086:54
6:54
#6515
40K
24.85 mi13:22:502:57:137:086:01
7:02
#6384
25.2M
25.20 mi13:25:332:59:567:082:43
7:53
#6338
Finish
26.22 mi13:32:313:06:547:086:58
6:50
#6216
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi8221106310637711(Top 27%)936(Top 8%)936(Top 72%)
10K6.21 mi3.10 mi7888+333960+103960+1037652(Top 27%)884(Top 7%)884(Top 68%)
15K9.32 mi3.11 mi7798+90934+26934+267711(Top 27%)936(Top 8%)936(Top 72%)
20K12.43 mi3.11 mi7669+129904+30904+307442(Top 26%)908(Top 7%)908(Top 70%)
Half13.11 mi0.68 mi7645+24901+3901+37356(Top 26%)854(Top 7%)854(Top 66%)
25K15.53 mi2.42 mi7514+131877+24877+247160(Top 25%)904(Top 7%)904(Top 69%)
30K18.64 mi3.11 mi7320+194865+12865+126886(Top 24%)960(Top 8%)960(Top 74%)
20M20.00 mi1.36 mi7169+151850+15850+156367(Top 22%)907(Top 7%)907(Top 70%)
21M21.00 mi1.00 mi7072+97849+1849+16710(Top 24%)1179(Top 10%)1179(Top 90%)
35K21.75 mi0.75 mi6945+127826+23826+234686(Top 16%)529(Top 4%)529(Top 41%)
23M23.00 mi1.25 mi6696+249797+29797+294679(Top 16%)580(Top 5%)580(Top 45%)
24M24.00 mi1.00 mi6515+181764+33764+334128(Top 15%)485(Top 4%)485(Top 37%)
40K24.85 mi0.85 mi6384+131753+11753+114159(Top 15%)538(Top 4%)538(Top 41%)
25.2M25.20 mi0.35 mi6338+46750+3750+35358(Top 19%)988(Top 8%)988(Top 76%)
Finish26.22 mi1.02 mi6216+122733+17733+174749(Top 17%)774(Top 6%)774(Top 59%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7711

Females

936

F50-54

936

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7652

Females

884

F50-54

884

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7711

Females

936

F50-54

936

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

7442

Females

908

F50-54

908

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

7356

Females

854

F50-54

854

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

7160

Females

904

F50-54

904

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6886

Females

960

F50-54

960

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

6367

Females

907

F50-54

907

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6710

Females

1179

F50-54

1179

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4686

Females

529

F50-54

529

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4679

Females

580

F50-54

580

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4128

Females

485

F50-54

485

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4159

Females

538

F50-54

538

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5358

Females

988

F50-54

988

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4749

Females

774

F50-54

774

Passing Analysis

Category:
Athletes Passed
2495
Passed By
490
Net Change
+2005
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8221
5K → 10K42491+333#8221#7888
10K → 15K18898+90#7888#7798
15K → 20K20576+129#7798#7669
20K → Half3814+24#7669#7645
Half → 25K16837+131#7645#7514
25K → 30K28288+194#7514#7320
30K → 20M16716+151#7320#7169
20M → 21M14144+97#7169#7072
21M → 35K1292+127#7072#6945
35K → 23M2545+249#6945#6696
23M → 24M1832+181#6696#6515
24M → 40K1365+131#6515#6384
40K → 25.2M504+46#6384#6338
25.2M → Finish1308+122#6338#6216
TOTALS2495490+2005
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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