Boston Marathon logo
BOSTON MARATHON 2025

Viviana Cremasco

Bib: 27386•F

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:06
Rank: #22622
Start → 5K
9:03/mi
28:06 split
10K· 6.21 mi
55:47
Rank: #22342 (+280)
5K → 10K
8:55/mi
27:41 split
15K· 9.32 mi
1:24:17
Rank: #22456 (-114)
10K → 15K
9:10/mi
28:30 split
20K· 12.43 mi
1:54:47
Rank: #22937 (-481)
15K → 20K
9:49/mi
30:30 split
Half· 13.11 mi
2:01:27
Rank: #23015 (-78)
20K → Half
9:46/mi
6:40 split
25K· 15.53 mi
2:25:53
Rank: #23096 (-81)
Half → 25K
10:05/mi
24:26 split
30K· 18.64 mi
2:58:21
Rank: #23002 (+94)
25K → 30K
10:27/mi
32:28 split
20M
3:13:03
Rank: #23002
30K → 20M
10:49/mi
14:42 split
21M
3:24:01
Rank: #22909 (+93)
20M → 21M
10:58/mi
10:58 split
35K· 21.75 mi
3:31:32
Rank: #22873 (+36)
21M → 35K
10:03/mi
7:31 split
23M
3:45:11
Rank: #22862 (+11)
35K → 23M
10:54/mi
13:39 split
24M
3:55:31
Rank: #22820 (+42)
23M → 24M
10:20/mi
10:20 split
40K· 24.85 mi
4:04:28
Rank: #22784 (+36)
24M → 40K
10:28/mi
8:57 split
25.2M
4:07:58
Rank: #22714 (+70)
40K → 25.2M
10:09/mi
3:30 split
Finish· 26.22 mi
4:17:21
Rank: #22638 (+76)
25.2M → Finish
9:12/mi
9:23 split

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
Time2:01:27
Pace9:16 /mi
2nd Half
Distance13.11 mi
Time2:15:54
Pace10:22 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:5128:069:0328:06
9:03
-
10K
6.21 mi12:12:3255:478:5927:41
8:55
-0:08
15K
9.32 mi12:41:021:24:179:0328:30
9:10
+0:15
20K
12.43 mi13:11:321:54:479:1430:30
9:49
+0:39
Half
13.11 mi13:18:122:01:279:166:40
9:46
-0:03
25K
15.53 mi13:42:382:25:539:2324:26
10:05
+0:19
30K
18.64 mi14:15:062:58:219:3432:28
10:27
+0:22
20M
20.00 mi14:29:483:13:039:3914:42
10:49
+0:22
21M
21.00 mi14:40:463:24:019:4310:58
10:58
+0:09
35K
21.75 mi14:48:173:31:329:447:31
10:03
-0:55
23M
23.00 mi15:01:563:45:119:4713:39
10:54
+0:51
24M
24.00 mi15:12:163:55:319:4910:20
10:20
-0:34
40K
24.85 mi15:21:134:04:289:508:57
10:28
+0:08
25.2M
25.20 mi15:24:434:07:589:503:30
10:09
-0:19
Finish
26.22 mi15:34:064:17:219:499:23
9:12
-0:57

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

8:55 /mi

Average Pace

9:49 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:40

36% of race

Time at Steady Pace

1:22:57

32% of race

Time at Slower Pace

1:20:44

31% of race

Average Pace: 9:49 /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 mi11:44:5128:069:0328:06
9:03
#22622
10K
6.21 mi12:12:3255:478:5927:41
8:55
#22342
15K
9.32 mi12:41:021:24:179:0328:30
9:10
#22456
20K
12.43 mi13:11:321:54:479:1430:30
9:49
#22937
Half
13.11 mi13:18:122:01:279:166:40
9:46
#23015
25K
15.53 mi13:42:382:25:539:2324:26
10:05
#23096
30K
18.64 mi14:15:062:58:219:3432:28
10:27
#23002
20M
20.00 mi14:29:483:13:039:3914:42
10:49
#23002
21M
21.00 mi14:40:463:24:019:4310:58
10:58
#22909
35K
21.75 mi14:48:173:31:329:447:31
10:03
#22873
23M
23.00 mi15:01:563:45:119:4713:39
10:54
#22862
24M
24.00 mi15:12:163:55:319:4910:20
10:20
#22820
40K
24.85 mi15:21:134:04:289:508:57
10:28
#22784
25.2M
25.20 mi15:24:434:07:589:503:30
10:09
#22714
Finish
26.22 mi15:34:064:17:219:499:23
9:12
#22638
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi226228973897322767(Top 80%)8983(Top 73%)8983(Top 523%)
10K6.21 mi3.10 mi22342+2808807+1668807+16621990(Top 77%)8593(Top 70%)8593(Top 500%)
15K9.32 mi3.11 mi22456-1148837-308837-3022767(Top 80%)8983(Top 73%)8983(Top 523%)
20K12.43 mi3.11 mi22937-4819092-2559092-25523812(Top 84%)9611(Top 79%)9611(Top 559%)
Half13.11 mi0.68 mi23015-789131-399131-3924311(Top 86%)9873(Top 81%)9873(Top 575%)
25K15.53 mi2.42 mi23096-819192-619192-6123448(Top 83%)9451(Top 77%)9451(Top 550%)
30K18.64 mi3.11 mi23002+949189+39189+322827(Top 80%)9226(Top 75%)9226(Top 537%)
20M20.00 mi1.36 mi230029212-239212-2323213(Top 82%)9534(Top 78%)9534(Top 555%)
21M21.00 mi1.00 mi22909+939179+339179+3321315(Top 75%)8609(Top 70%)8609(Top 501%)
35K21.75 mi0.75 mi22873+369170+99170+922056(Top 78%)9064(Top 74%)9064(Top 528%)
23M23.00 mi1.25 mi22862+119188-189188-1823013(Top 81%)9610(Top 79%)9610(Top 559%)
24M24.00 mi1.00 mi22820+429185+39185+322358(Top 79%)9319(Top 76%)9319(Top 542%)
40K24.85 mi0.85 mi22784+369186-19186-121849(Top 77%)9122(Top 75%)9122(Top 531%)
25.2M25.20 mi0.35 mi22714+709153+339153+3317795(Top 63%)7047(Top 58%)7047(Top 410%)
Finish26.22 mi1.02 mi22638+769136+179136+1720010(Top 70%)8158(Top 67%)8158(Top 475%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

22767

Females

8983

F40-44

8983

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

21990

Females

8593

F40-44

8593

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

22767

Females

8983

F40-44

8983

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

23812

Females

9611

F40-44

9611

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

24311

Females

9873

F40-44

9873

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

23448

Females

9451

F40-44

9451

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

22827

Females

9226

F40-44

9226

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

23213

Females

9534

F40-44

9534

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

21315

Females

8609

F40-44

8609

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

22056

Females

9064

F40-44

9064

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

23013

Females

9610

F40-44

9610

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

22358

Females

9319

F40-44

9319

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21849

Females

9122

F40-44

9122

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17795

Females

7047

F40-44

7047

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

20010

Females

8158

F40-44

8158

Passing Analysis

Category:
Athletes Passed
1577
Passed By
1593
Net Change
-16
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22622
5K → 10K419139+280#22622#22342
10K → 15K141255-114#22342#22456
15K → 20K69550-481#22456#22937
20K → Half1492-78#22937#23015
Half → 25K104185-81#23015#23096
25K → 30K212118+94#23096#23002
30K → 20M74740#23002#23002
20M → 21M11825+93#23002#22909
21M → 35K6024+36#22909#22873
35K → 23M6756+11#22873#22862
23M → 24M6927+42#22862#22820
24M → 40K6933+36#22820#22784
40K → 25.2M733+70#22784#22714
25.2M → Finish8812+76#22714#22638
TOTALS15771593-16
📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing