Boston Marathon logo
BOSTON MARATHON 2025

Samantha Waskowitz

Bib: 28202•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:25
Rank: #25857
Start → 5K
31:25 | 10:07/mi
10K· 6.21 mi
1:03:32
Rank: #25955 (-98)
5K → 10K
32:07 | 10:20/mi
15K· 9.32 mi
1:35:39
Rank: #25848 (+107)
10K → 15K
32:07 | 10:20/mi
20K· 12.43 mi
2:08:23
Rank: #25663 (+185)
15K → 20K
32:44 | 10:32/mi
Half· 13.11 mi
2:15:17
Rank: #25644 (+19)
20K → Half
6:54 | 10:07/mi
25K· 15.53 mi
2:40:25
Rank: #25377 (+267)
Half → 25K
25:08 | 10:22/mi
30K· 18.64 mi
3:13:59
Rank: #25058 (+319)
25K → 30K
33:34 | 10:48/mi
20M
3:28:48
Rank: #24960 (+98)
30K → 20M
14:49 | 10:54/mi
21M
3:40:00
Rank: #24809 (+151)
20M → 21M
11:12 | 11:12/mi
35K· 21.75 mi
3:48:12
Rank: #24797 (+12)
21M → 35K
8:12 | 10:58/mi
23M
4:02:41
Rank: #24794 (+3)
35K → 23M
14:29 | 11:34/mi
24M
4:12:54
Rank: #24692 (+102)
23M → 24M
10:13 | 10:13/mi
40K· 24.85 mi
4:21:32
Rank: #24577 (+115)
24M → 40K
8:38 | 10:06/mi
25.2M
4:25:21
Rank: #24538 (+39)
40K → 25.2M
3:49 | 11:04/mi
Finish· 26.22 mi
4:34:51
Rank: #24447 (+91)
25.2M → Finish
9:30 | 9:19/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
Time2:15:17
Pace10:19 /mi
2nd Half
Distance13.11 mi
Time2:19:34
Pace10:39 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:1931:2510:0731:25
10:07
-
10K
6.21 mi12:29:261:03:3210:1332:07
10:20
+0:13
15K
9.32 mi13:01:331:35:3910:1632:07
10:20
0:00
20K
12.43 mi13:34:172:08:2310:2032:44
10:32
+0:12
Half
13.11 mi13:41:112:15:1710:196:54
10:07
-0:25
25K
15.53 mi14:06:192:40:2510:2025:08
10:22
+0:15
30K
18.64 mi14:39:533:13:5910:2433:34
10:48
+0:26
20M
20.00 mi14:54:423:28:4810:2614:49
10:54
+0:06
21M
21.00 mi15:05:543:40:0010:2911:12
11:12
+0:18
35K
21.75 mi15:14:063:48:1210:308:12
10:58
-0:14
23M
23.00 mi15:28:354:02:4110:3314:29
11:34
+0:36
24M
24.00 mi15:38:484:12:5410:3210:13
10:13
-1:21
40K
24.85 mi15:47:264:21:3210:318:38
10:06
-0:07
25.2M
25.20 mi15:51:154:25:2110:323:49
11:04
+0:58
Finish
26.22 mi16:00:454:34:5110:299:30
9:19
-1:45

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

9:19 /mi

Average Pace

10:29 /mi

Slowest Pace

11:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

9:30

3% of race

Time at Steady Pace

2:59:16

65% of race

Time at Slower Pace

1:26:05

31% of race

Average Pace: 10:29 /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 mi11:57:1931:2510:0731:25
10:07
#25857
10K
6.21 mi12:29:261:03:3210:1332:07
10:20
#25955
15K
9.32 mi13:01:331:35:3910:1632:07
10:20
#25848
20K
12.43 mi13:34:172:08:2310:2032:44
10:32
#25663
Half
13.11 mi13:41:112:15:1710:196:54
10:07
#25644
25K
15.53 mi14:06:192:40:2510:2025:08
10:22
#25377
30K
18.64 mi14:39:533:13:5910:2433:34
10:48
#25058
20M
20.00 mi14:54:423:28:4810:2614:49
10:54
#24960
21M
21.00 mi15:05:543:40:0010:2911:12
11:12
#24809
35K
21.75 mi15:14:063:48:1210:308:12
10:58
#24797
23M
23.00 mi15:28:354:02:4110:3314:29
11:34
#24794
24M
24.00 mi15:38:484:12:5410:3210:13
10:13
#24692
40K
24.85 mi15:47:264:21:3210:318:38
10:06
#24577
25.2M
25.20 mi15:51:154:25:2110:323:49
11:04
#24538
Finish
26.22 mi16:00:454:34:5110:299:30
9:19
#24447
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25857106791067925662(Top 90%)10594(Top 87%)10594(Top 194%)
10K6.21 mi3.10 mi25955-9810743-6410743-6425991(Top 92%)10785(Top 88%)10785(Top 197%)
15K9.32 mi3.11 mi25848+10710695+4810695+4825662(Top 90%)10594(Top 87%)10594(Top 194%)
20K12.43 mi3.11 mi25663+18510598+9710598+9725251(Top 89%)10405(Top 85%)10405(Top 190%)
Half13.11 mi0.68 mi25644+1910587+1110587+1125082(Top 88%)10302(Top 84%)10302(Top 188%)
25K15.53 mi2.42 mi25377+26710460+12710460+12724112(Top 85%)9804(Top 80%)9804(Top 179%)
30K18.64 mi3.11 mi25058+31910309+15110309+15123629(Top 83%)9666(Top 79%)9666(Top 177%)
20M20.00 mi1.36 mi24960+9810273+3610273+3623415(Top 82%)9638(Top 79%)9638(Top 176%)
21M21.00 mi1.00 mi24809+15110196+7710196+7721927(Top 77%)8936(Top 73%)8936(Top 163%)
35K21.75 mi0.75 mi24797+1210201-510201-524131(Top 85%)10134(Top 83%)10134(Top 185%)
23M23.00 mi1.25 mi24794+310215-1410215-1424379(Top 86%)10288(Top 84%)10288(Top 188%)
24M24.00 mi1.00 mi24692+10210179+3610179+3622009(Top 77%)9145(Top 75%)9145(Top 167%)
40K24.85 mi0.85 mi24577+11510122+5710122+5720800(Top 73%)8569(Top 70%)8569(Top 157%)
25.2M25.20 mi0.35 mi24538+3910105+1710105+1720918(Top 74%)8632(Top 71%)8632(Top 158%)
Finish26.22 mi1.02 mi24447+9110072+3310072+3320505(Top 72%)8403(Top 69%)8403(Top 154%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

25662

Females

10594

F18-39

10594

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

25991

Females

10785

F18-39

10785

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

25662

Females

10594

F18-39

10594

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

25251

Females

10405

F18-39

10405

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

25082

Females

10302

F18-39

10302

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

24112

Females

9804

F18-39

9804

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

23629

Females

9666

F18-39

9666

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

23415

Females

9638

F18-39

9638

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

21927

Females

8936

F18-39

8936

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

24131

Females

10134

F18-39

10134

35K→23M

21.8 - 23.0 mi

Top 86%
×5stories
+23ft-63ft

Overall

24379

Females

10288

F18-39

10288

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

22009

Females

9145

F18-39

9145

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20800

Females

8569

F18-39

8569

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

20918

Females

8632

F18-39

8632

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

20505

Females

8403

F18-39

8403

Passing Analysis

Category:
Athletes Passed
1890
Passed By
480
Net Change
+1410
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25857
5K → 10K152250-98#25857#25955
10K → 15K17568+107#25955#25848
15K → 20K22338+185#25848#25663
20K → Half2910+19#25663#25644
Half → 25K2747+267#25644#25377
25K → 30K3289+319#25377#25058
30K → 20M11012+98#25058#24960
20M → 21M1543+151#24960#24809
21M → 35K3826+12#24809#24797
35K → 23M5148+3#24797#24794
23M → 24M1064+102#24794#24692
24M → 40K1172+115#24692#24577
40K → 25.2M390+39#24577#24538
25.2M → Finish943+91#24538#24447
TOTALS1890480+1410
📊

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