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BOSTON MARATHON 2025

Samantha Jones

Bib: 10189•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 48%
Masters (Masters Women)
#0 / 6759
Top 36%
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
22:51
Rank: #10919
Start → 5K
22:51 | 7:21/mi
10K· 6.21 mi
45:42
Rank: #10833 (+86)
5K → 10K
22:51 | 7:21/mi
15K· 9.32 mi
1:10:26
Rank: #12491 (-1658)
10K → 15K
24:44 | 7:58/mi
20K· 12.43 mi
1:35:33
Rank: #13273 (-782)
15K → 20K
25:07 | 8:05/mi
Half· 13.11 mi
1:41:03
Rank: #13442 (-169)
20K → Half
5:30 | 8:04/mi
25K· 15.53 mi
2:01:49
Rank: #14237 (-795)
Half → 25K
20:46 | 8:34/mi
30K· 18.64 mi
2:30:21
Rank: #15257 (-1020)
25K → 30K
28:32 | 9:11/mi
20M
2:42:55
Rank: #15462 (-205)
30K → 20M
12:34 | 9:15/mi
21M
2:52:59
Rank: #15670 (-208)
20M → 21M
10:04 | 10:04/mi
35K· 21.75 mi
3:00:13
Rank: #15878 (-208)
21M → 35K
7:14 | 9:40/mi
23M
3:12:16
Rank: #16080 (-202)
35K → 23M
12:03 | 9:37/mi
24M
3:21:51
Rank: #16264 (-184)
23M → 24M
9:35 | 9:35/mi
40K· 24.85 mi
3:30:23
Rank: #16503 (-239)
24M → 40K
8:32 | 9:59/mi
25.2M
3:34:01
Rank: #16570 (-67)
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
3:43:06
Rank: #16652 (-82)
25.2M → Finish
9:05 | 8:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:03
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time2:02:03
Pace9:19 /mi
📊Positive Split: 20.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:1122:517:2122:51
7:21
-
10K
6.21 mi11:12:0245:427:2122:51
7:21
0:00
15K
9.32 mi11:36:461:10:267:3324:44
7:58
+0:37
20K
12.43 mi12:01:531:35:337:4125:07
8:05
+0:07
Half
13.11 mi12:07:231:41:037:425:30
8:04
-0:01
25K
15.53 mi12:28:092:01:497:5120:46
8:34
+0:30
30K
18.64 mi12:56:412:30:218:0428:32
9:11
+0:37
20M
20.00 mi13:09:152:42:558:0912:34
9:15
+0:04
21M
21.00 mi13:19:192:52:598:1410:04
10:04
+0:49
35K
21.75 mi13:26:333:00:138:177:14
9:40
-0:24
23M
23.00 mi13:38:363:12:168:2212:03
9:37
-0:03
24M
24.00 mi13:48:113:21:518:259:35
9:35
-0:02
40K
24.85 mi13:56:433:30:238:288:32
9:59
+0:24
25.2M
25.20 mi14:00:213:34:018:303:38
10:32
+0:33
Finish
26.22 mi14:09:263:43:068:319:05
8:55
-1:37

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

7:21 /mi

Average Pace

8:31 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:49

55% of race

Time at Steady Pace

1:19:03

35% of race

Time at Slower Pace

22:14

10% of race

Average Pace: 8:31 /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 mi10:49:1122:517:2122:51
7:21
#10919
10K
6.21 mi11:12:0245:427:2122:51
7:21
#10833
15K
9.32 mi11:36:461:10:267:3324:44
7:58
#12491
20K
12.43 mi12:01:531:35:337:4125:07
8:05
#13273
Half
13.11 mi12:07:231:41:037:425:30
8:04
#13442
25K
15.53 mi12:28:092:01:497:5120:46
8:34
#14237
30K
18.64 mi12:56:412:30:218:0428:32
9:11
#15257
20M
20.00 mi13:09:152:42:558:0912:34
9:15
#15462
21M
21.00 mi13:19:192:52:598:1410:04
10:04
#15670
35K
21.75 mi13:26:333:00:138:177:14
9:40
#15878
23M
23.00 mi13:38:363:12:168:2212:03
9:37
#16080
24M
24.00 mi13:48:113:21:518:259:35
9:35
#16264
40K
24.85 mi13:56:433:30:238:288:32
9:59
#16503
25.2M
25.20 mi14:00:213:34:018:303:38
10:32
#16570
Finish
26.22 mi14:09:263:43:068:319:05
8:55
#16652
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi109192248224815768(Top 56%)5017(Top 41%)5017(Top 292%)
10K6.21 mi3.10 mi10833+862229+192229+1910801(Top 38%)2209(Top 18%)2209(Top 129%)
15K9.32 mi3.11 mi12491-16583100-8713100-87115768(Top 56%)5017(Top 41%)5017(Top 292%)
20K12.43 mi3.11 mi13273-7823591-4913591-49115555(Top 55%)4947(Top 40%)4947(Top 288%)
Half13.11 mi0.68 mi13442-1693698-1073698-10716440(Top 58%)5445(Top 45%)5445(Top 317%)
25K15.53 mi2.42 mi14237-7954180-4824180-48217584(Top 62%)6179(Top 51%)6179(Top 360%)
30K18.64 mi3.11 mi15257-10204803-6234803-62318576(Top 65%)6873(Top 56%)6873(Top 400%)
20M20.00 mi1.36 mi15462-2054955-1524955-15218037(Top 64%)6732(Top 55%)6732(Top 392%)
21M21.00 mi1.00 mi15670-2085121-1665121-16618565(Top 65%)7090(Top 58%)7090(Top 413%)
35K21.75 mi0.75 mi15878-2085255-1345255-13420905(Top 74%)8448(Top 69%)8448(Top 492%)
23M23.00 mi1.25 mi16080-2025401-1465401-14619181(Top 68%)7601(Top 62%)7601(Top 442%)
24M24.00 mi1.00 mi16264-1845528-1275528-12719928(Top 70%)8039(Top 66%)8039(Top 468%)
40K24.85 mi0.85 mi16503-2395692-1645692-16420417(Top 72%)8365(Top 68%)8365(Top 487%)
25.2M25.20 mi0.35 mi16570-675743-515743-5119153(Top 67%)7708(Top 63%)7708(Top 449%)
Finish26.22 mi1.02 mi16652-825820-775820-7718607(Top 66%)7379(Top 60%)7379(Top 430%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

15768

Females

5017

F40-44

5017

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10801

Females

2209

F40-44

2209

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

15768

Females

5017

F40-44

5017

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

15555

Females

4947

F40-44

4947

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

16440

Females

5445

F40-44

5445

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

17584

Females

6179

F40-44

6179

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

18576

Females

6873

F40-44

6873

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

18037

Females

6732

F40-44

6732

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

18565

Females

7090

F40-44

7090

21M→35K

21.0 - 21.8 mi

Top 74%
×7stories
+17ft-86ft

Overall

20905

Females

8448

F40-44

8448

35K→23M

21.8 - 23.0 mi

Top 68%
×5stories
+23ft-63ft

Overall

19181

Females

7601

F40-44

7601

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

19928

Females

8039

F40-44

8039

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20417

Females

8365

F40-44

8365

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19153

Females

7708

F40-44

7708

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

18607

Females

7379

F40-44

7379

Passing Analysis

Category:
Athletes Passed
830
Passed By
6563
Net Change
-5733
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10919
5K → 10K303217+86#10919#10833
10K → 15K161674-1658#10833#12491
15K → 20K56838-782#12491#13273
20K → Half3172-169#13273#13442
Half → 25K50845-795#13442#14237
25K → 30K661086-1020#14237#15257
30K → 20M69274-205#15257#15462
20M → 21M61269-208#15462#15670
21M → 35K21229-208#15670#15878
35K → 23M59261-202#15878#16080
23M → 24M33217-184#16080#16264
24M → 40K21260-239#16264#16503
40K → 25.2M1683-67#16503#16570
25.2M → Finish56138-82#16570#16652
TOTALS8306563-5733
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing