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BOSTON MARATHON 2025

Samantha Barrett

Bib: 7696•F

AZ

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 6%
Gender (Female)
#0 / 12228
Top 0.7%
Division (F18-39)
#0 / 5469
Top 1%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:02
Rank: #1520
Start → 5K
19:02 | 6:08/mi
10K· 6.21 mi
38:17
Rank: #1686 (-166)
5K → 10K
19:15 | 6:12/mi
15K· 9.32 mi
57:38
Rank: #1783 (-97)
10K → 15K
19:21 | 6:14/mi
20K· 12.43 mi
1:17:26
Rank: #1904 (-121)
15K → 20K
19:48 | 6:22/mi
Half· 13.11 mi
1:21:45
Rank: #1931 (-27)
20K → Half
4:19 | 6:20/mi
25K· 15.53 mi
1:37:12
Rank: #1971 (-40)
Half → 25K
15:27 | 6:22/mi
30K· 18.64 mi
1:57:29
Rank: #1960 (+11)
25K → 30K
20:17 | 6:32/mi
20M
2:06:28
Rank: #1944 (+16)
30K → 20M
8:59 | 6:37/mi
21M
2:13:23
Rank: #1925 (+19)
20M → 21M
6:55 | 6:55/mi
35K· 21.75 mi
2:18:05
Rank: #1875 (+50)
21M → 35K
4:42 | 6:17/mi
23M
2:26:15
Rank: #1819 (+56)
35K → 23M
8:10 | 6:31/mi
24M
2:32:35
Rank: #1775 (+44)
23M → 24M
6:20 | 6:20/mi
40K· 24.85 mi
2:38:06
Rank: #1745 (+30)
24M → 40K
5:31 | 6:27/mi
25.2M
2:40:30
Rank: #1717 (+28)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:46:37
Rank: #1640 (+77)
25.2M → Finish
6:07 | 6:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:45
Pace6:14 /mi
2nd Half
Distance13.11 mi
Time1:24:52
Pace6:28 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:3819:026:0819:02
6:08
-
10K
6.21 mi10:45:5338:176:1019:15
6:12
+0:04
15K
9.32 mi11:05:1457:386:1119:21
6:14
+0:02
20K
12.43 mi11:25:021:17:266:1419:48
6:22
+0:08
Half
13.11 mi11:29:211:21:456:144:19
6:20
-0:02
25K
15.53 mi11:44:481:37:126:1515:27
6:22
+0:02
30K
18.64 mi12:05:051:57:296:1820:17
6:32
+0:10
20M
20.00 mi12:14:042:06:286:198:59
6:37
+0:05
21M
21.00 mi12:20:592:13:236:216:55
6:55
+0:18
35K
21.75 mi12:25:412:18:056:214:42
6:17
-0:38
23M
23.00 mi12:33:512:26:156:228:10
6:31
+0:14
24M
24.00 mi12:40:112:32:356:216:20
6:20
-0:11
40K
24.85 mi12:45:422:38:066:225:31
6:27
+0:07
25.2M
25.20 mi12:48:062:40:306:222:24
6:58
+0:31
Finish
26.22 mi12:54:132:46:376:226:07
6:00
-0:58

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

6:00 /mi

Average Pace

6:22 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:19

89% of race

Time at Steady Pace

18:18

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:21 /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 mi10:26:3819:026:0819:02
6:08
#1520
10K
6.21 mi10:45:5338:176:1019:15
6:12
#1686
15K
9.32 mi11:05:1457:386:1119:21
6:14
#1783
20K
12.43 mi11:25:021:17:266:1419:48
6:22
#1904
Half
13.11 mi11:29:211:21:456:144:19
6:20
#1931
25K
15.53 mi11:44:481:37:126:1515:27
6:22
#1971
30K
18.64 mi12:05:051:57:296:1820:17
6:32
#1960
20M
20.00 mi12:14:042:06:286:198:59
6:37
#1944
21M
21.00 mi12:20:592:13:236:216:55
6:55
#1925
35K
21.75 mi12:25:412:18:056:214:42
6:17
#1875
23M
23.00 mi12:33:512:26:156:228:10
6:31
#1819
24M
24.00 mi12:40:112:32:356:216:20
6:20
#1775
40K
24.85 mi12:45:422:38:066:225:31
6:27
#1745
25.2M
25.20 mi12:48:062:40:306:222:24
6:58
#1717
Finish
26.22 mi12:54:132:46:376:226:07
6:00
#1640
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi152066661992(Top 7%)89(Top 0.7%)89(Top 2%)
10K6.21 mi3.10 mi1686-16675-975-91907(Top 7%)87(Top 0.7%)87(Top 2%)
15K9.32 mi3.11 mi1783-9780-580-51992(Top 7%)89(Top 0.7%)89(Top 2%)
20K12.43 mi3.11 mi1904-12183-383-32390(Top 8%)104(Top 0.9%)104(Top 2%)
Half13.11 mi0.68 mi1931-2783832722(Top 10%)111(Top 0.9%)111(Top 2%)
25K15.53 mi2.42 mi1971-4086-386-32230(Top 8%)101(Top 0.8%)101(Top 2%)
30K18.64 mi3.11 mi1960+1187-187-12118(Top 7%)101(Top 0.8%)101(Top 2%)
20M20.00 mi1.36 mi1944+1687872087(Top 7%)105(Top 0.9%)105(Top 2%)
21M21.00 mi1.00 mi1925+1989-289-21965(Top 7%)105(Top 0.9%)105(Top 2%)
35K21.75 mi0.75 mi1875+5088+188+11575(Top 6%)89(Top 0.7%)89(Top 2%)
23M23.00 mi1.25 mi1819+5687+187+11555(Top 5%)91(Top 0.7%)91(Top 2%)
24M24.00 mi1.00 mi1775+4486+186+11432(Top 5%)84(Top 0.7%)84(Top 2%)
40K24.85 mi0.85 mi1745+3086861471(Top 5%)99(Top 0.8%)99(Top 2%)
25.2M25.20 mi0.35 mi1717+2885+185+11420(Top 5%)110(Top 0.9%)110(Top 2%)
Finish26.22 mi1.02 mi1640+7782+382+3940(Top 3%)51(Top 0.4%)51(Top 0.9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1992

Females

89

F18-39

89

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1907

Females

87

F18-39

87

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1992

Females

89

F18-39

89

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2390

Females

104

F18-39

104

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2722

Females

111

F18-39

111

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2230

Females

101

F18-39

101

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

2118

Females

101

F18-39

101

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

2087

Females

105

F18-39

105

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1965

Females

105

F18-39

105

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1575

Females

89

F18-39

89

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1555

Females

91

F18-39

91

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1432

Females

84

F18-39

84

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1471

Females

99

F18-39

99

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1420

Females

110

F18-39

110

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

940

Females

51

F18-39

51

Passing Analysis

Category:
Athletes Passed
640
Passed By
760
Net Change
-120
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1520
5K → 10K25191-166#1520#1686
10K → 15K34131-97#1686#1783
15K → 20K37158-121#1783#1904
20K → Half431-27#1904#1931
Half → 25K3575-40#1931#1971
25K → 30K7867+11#1971#1960
30K → 20M4428+16#1960#1944
20M → 21M4829+19#1944#1925
21M → 35K533+50#1925#1875
35K → 23M7014+56#1875#1819
23M → 24M5713+44#1819#1775
24M → 40K4515+30#1775#1745
40K → 25.2M313+28#1745#1717
25.2M → Finish792+77#1717#1640
TOTALS640760-120
📊

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