Boston Marathon logo
BOSTON MARATHON 2025

Samantha Cheney

Bib: 30070•F

NH

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
32:37
Rank: #26735
Start → 5K
10:30/mi
32:37 split
10K· 6.21 mi
1:06:38
Rank: #26882 (-147)
5K → 10K
10:57/mi
34:01 split
15K· 9.32 mi
1:40:06
Rank: #26690 (+192)
10K → 15K
10:46/mi
33:28 split
20K· 12.43 mi
2:14:15
Rank: #26486 (+204)
15K → 20K
11:00/mi
34:09 split
Half· 13.11 mi
2:21:33
Rank: #26467 (+19)
20K → Half
10:42/mi
7:18 split
25K· 15.53 mi
2:49:30
Rank: #26360 (+107)
Half → 25K
11:32/mi
27:57 split
30K· 18.64 mi
3:30:40
Rank: #26544 (-184)
25K → 30K
13:15/mi
41:10 split
20M
3:46:53
Rank: #26444 (+100)
30K → 20M
11:56/mi
16:13 split
21M
4:00:13
Rank: #26393 (+51)
20M → 21M
13:20/mi
13:20 split
35K· 21.75 mi
4:09:03
Rank: #26363 (+30)
21M → 35K
11:48/mi
8:50 split
23M
4:23:27
Rank: #26270 (+93)
35K → 23M
11:30/mi
14:24 split
24M
4:34:29
Rank: #26199 (+71)
23M → 24M
11:02/mi
11:02 split
40K· 24.85 mi
4:44:12
Rank: #26143 (+56)
24M → 40K
11:22/mi
9:43 split
25.2M
4:48:35
Rank: #26123 (+20)
40K → 25.2M
12:43/mi
4:23 split
Finish· 26.22 mi
4:59:11
Rank: #26096 (+27)
25.2M → Finish
10:24/mi
10:36 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
Time2:21:33
Pace10:48 /mi
2nd Half
Distance13.11 mi
Time2:37:38
Pace12:01 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:2532:3710:3032:37
10:30
-
10K
6.21 mi12:29:261:06:3810:4334:01
10:57
+0:27
15K
9.32 mi13:02:541:40:0610:4433:28
10:46
-0:11
20K
12.43 mi13:37:032:14:1510:4834:09
11:00
+0:14
Half
13.11 mi13:44:212:21:3310:487:18
10:42
-0:18
25K
15.53 mi14:12:182:49:3010:5527:57
11:32
+0:50
30K
18.64 mi14:53:283:30:4011:1841:10
13:15
+1:43
20M
20.00 mi15:09:413:46:5311:2116:13
11:56
-1:19
21M
21.00 mi15:23:014:00:1311:2613:20
13:20
+1:24
35K
21.75 mi15:31:514:09:0311:278:50
11:48
-1:32
23M
23.00 mi15:46:154:23:2711:2714:24
11:30
-0:18
24M
24.00 mi15:57:174:34:2911:2611:02
11:02
-0:28
40K
24.85 mi16:07:004:44:1211:269:43
11:22
+0:20
25.2M
25.20 mi16:11:234:48:3511:274:23
12:43
+1:21
Finish
26.22 mi16:21:594:59:1111:2510:36
10:24
-2:19

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

10:24 /mi

Average Pace

11:25 /mi

Slowest Pace

13:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:59

28% of race

Time at Steady Pace

2:20:06

47% of race

Time at Slower Pace

1:15:06

25% of race

Average Pace: 11:25 /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 mi11:55:2532:3710:3032:37
10:30
#26735
10K
6.21 mi12:29:261:06:3810:4334:01
10:57
#26882
15K
9.32 mi13:02:541:40:0610:4433:28
10:46
#26690
20K
12.43 mi13:37:032:14:1510:4834:09
11:00
#26486
Half
13.11 mi13:44:212:21:3310:487:18
10:42
#26467
25K
15.53 mi14:12:182:49:3010:5527:57
11:32
#26360
30K
18.64 mi14:53:283:30:4011:1841:10
13:15
#26544
20M
20.00 mi15:09:413:46:5311:2116:13
11:56
#26444
21M
21.00 mi15:23:014:00:1311:2613:20
13:20
#26393
35K
21.75 mi15:31:514:09:0311:278:50
11:48
#26363
23M
23.00 mi15:46:154:23:2711:2714:24
11:30
#26270
24M
24.00 mi15:57:174:34:2911:2611:02
11:02
#26199
40K
24.85 mi16:07:004:44:1211:269:43
11:22
#26143
25.2M
25.20 mi16:11:234:48:3511:274:23
12:43
#26123
Finish
26.22 mi16:21:594:59:1111:2510:36
10:24
#26096
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26735111811118126356(Top 93%)10979(Top 90%)10979(Top 201%)
10K6.21 mi3.10 mi26882-14711270-8911270-8926992(Top 95%)11368(Top 93%)11368(Top 208%)
15K9.32 mi3.11 mi26690+19211166+10411166+10426356(Top 93%)10979(Top 90%)10979(Top 201%)
20K12.43 mi3.11 mi26486+20411059+10711059+10725979(Top 91%)10799(Top 88%)10799(Top 197%)
Half13.11 mi0.68 mi26467+1911048+1111048+1126087(Top 92%)10881(Top 89%)10881(Top 199%)
25K15.53 mi2.42 mi26360+10710988+6010988+6025894(Top 91%)10801(Top 88%)10801(Top 197%)
30K18.64 mi3.11 mi26544-18411130-14211130-14226919(Top 95%)11442(Top 94%)11442(Top 209%)
20M20.00 mi1.36 mi26444+10011087+4311087+4325162(Top 89%)10569(Top 86%)10569(Top 193%)
21M21.00 mi1.00 mi26393+5111067+2011067+2025479(Top 90%)10800(Top 88%)10800(Top 197%)
35K21.75 mi0.75 mi26363+3011061+611061+625566(Top 90%)10884(Top 89%)10884(Top 199%)
23M23.00 mi1.25 mi26270+9311023+3811023+3824241(Top 85%)10221(Top 84%)10221(Top 187%)
24M24.00 mi1.00 mi26199+7110990+3310990+3324042(Top 85%)10142(Top 83%)10142(Top 185%)
40K24.85 mi0.85 mi26143+5610965+2510965+2523867(Top 84%)10111(Top 83%)10111(Top 185%)
25.2M25.20 mi0.35 mi26123+2010955+1010955+1024540(Top 86%)10448(Top 85%)10448(Top 191%)
Finish26.22 mi1.02 mi26096+2710937+1810937+1824024(Top 85%)10189(Top 83%)10189(Top 186%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

26356

Females

10979

F18-39

10979

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

26992

Females

11368

F18-39

11368

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

26356

Females

10979

F18-39

10979

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

25979

Females

10799

F18-39

10799

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

26087

Females

10881

F18-39

10881

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25894

Females

10801

F18-39

10801

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

26919

Females

11442

F18-39

11442

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

25162

Females

10569

F18-39

10569

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

25479

Females

10800

F18-39

10800

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

25566

Females

10884

F18-39

10884

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

24241

Females

10221

F18-39

10221

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

24042

Females

10142

F18-39

10142

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23867

Females

10111

F18-39

10111

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24540

Females

10448

F18-39

10448

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

24024

Females

10189

F18-39

10189

Passing Analysis

Category:
Athletes Passed
1288
Passed By
649
Net Change
+639
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26735
5K → 10K109256-147#26735#26882
10K → 15K22230+192#26882#26690
15K → 20K23127+204#26690#26486
20K → Half2910+19#26486#26467
Half → 25K14437+107#26467#26360
25K → 30K44228-184#26360#26544
30K → 20M11111+100#26544#26444
20M → 21M7019+51#26444#26393
21M → 35K4010+30#26393#26363
35K → 23M974+93#26363#26270
23M → 24M754+71#26270#26199
24M → 40K593+56#26199#26143
40K → 25.2M233+20#26143#26123
25.2M → Finish347+27#26123#26096
TOTALS1288649+639
📊

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