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BOSTON MARATHON 2025

Fleur Spencer

Bib: 30390•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
11:07/mi
34:33
↑ 97↓ 3451.5%
10K· 6.21 mi
12:17/mi
1:12:44
↑ 79↓ 1380.4%
15K· 9.32 mi
12:37/mi
1:51:55
↑ 67↓ 78
20K· 12.43 mi
13:11/mi
2:32:51
↑ 106↓ 860.1%
Half· 13.11 mi
12:39/mi
2:41:29
↑ 19↓ 370.5%
25K· 15.53 mi
15:14/mi
3:18:25
↑ 66↓ 880.2%
30K· 18.64 mi
14:24/mi
4:03:10
↑ 181↓ 1480.2%
20M
13:22/mi
4:21:20
↑ 64↓ 500.2%
21M
16:58/mi
4:38:18
↑ 106↓ 241.6%
35K· 21.75 mi
13:39/mi
4:48:31
↑ 17↓ 861.7%
23M
13:56/mi
5:05:58
↑ 23↓ 630.6%
24M
13:25/mi
5:19:23
↓ 821.3%
40K· 24.85 mi
13:08/mi
5:30:37
↓ 200.3%
25.2M
17:27/mi
5:36:38
↑ 13↓ 160.2%
Finish· 26.22 mi
13:25/mi
5:50:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:41:29
Pace12:19 /mi
2nd Half
Distance13.11 mi
Time3:08:49
Pace14:24 /mi
📊Positive Split: 16.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:1634:3311:0734:33
11:07
-
10K
6.21 mi12:34:271:12:4411:4238:11
12:17
+1:10
15K
9.32 mi13:13:381:51:5512:0039:11
12:37
+0:20
20K
12.43 mi13:54:342:32:5112:1840:56
13:11
+0:34
Half
13.11 mi14:03:122:41:2912:198:38
12:39
-0:32
25K
15.53 mi14:40:083:18:2512:4636:56
15:14
+2:35
30K
18.64 mi15:24:534:03:1013:0344:45
14:24
-0:50
20M
20.00 mi15:43:034:21:2013:0418:10
13:22
-1:02
21M
21.00 mi16:00:014:38:1813:1516:58
16:58
+3:36
35K
21.75 mi16:10:144:48:3113:1610:13
13:39
-3:19
23M
23.00 mi16:27:415:05:5813:1817:27
13:56
+0:17
24M
24.00 mi16:41:065:19:2313:1813:25
13:25
-0:31
40K
24.85 mi16:52:205:30:3713:1811:14
13:08
-0:17
25.2M
25.20 mi16:58:215:36:3813:226:01
17:27
+4:19
Finish
26.22 mi17:12:015:50:1813:2213:40
13:25
-4:02

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

11:07 /mi

Average Pace

13:22 /mi

Slowest Pace

17:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:44

21% of race

Time at Steady Pace

2:52:54

49% of race

Time at Slower Pace

1:44:40

30% of race

Average Pace: 13:22 /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 mi11:56:1634:3311:0734:33
11:07
#27679
10K
6.21 mi12:34:271:12:4411:4238:11
12:17
#27957
15K
9.32 mi13:13:381:51:5512:0039:11
12:37
#28001
20K
12.43 mi13:54:342:32:5112:1840:56
13:11
#28006
Half
13.11 mi14:03:122:41:2912:198:38
12:39
#27989
25K
15.53 mi14:40:083:18:2512:4636:56
15:14
#28112
30K
18.64 mi15:24:534:03:1013:0344:45
14:24
#28089
20M
20.00 mi15:43:034:21:2013:0418:10
13:22
#28037
21M
21.00 mi16:00:014:38:1813:1516:58
16:58
#28068
35K
21.75 mi16:10:144:48:3113:1610:13
13:39
#28061
23M
23.00 mi16:27:415:05:5813:1817:27
13:56
#28042
24M
24.00 mi16:41:065:19:2313:1813:25
13:25
#28028
40K
24.85 mi16:52:205:30:3713:1811:14
13:08
#28003
25.2M
25.20 mi16:58:215:36:3813:226:01
17:27
#28013
Finish
26.22 mi17:12:015:50:1813:2213:40
13:25
#28017
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi27679117551175527992(Top 99%)11972(Top 98%)11972(Top 919%)
10K6.21 mi3.10 mi27957-27811936-18111936-18128094(Top 99%)12034(Top 98%)12034(Top 924%)
15K9.32 mi3.11 mi28001-4411969-3311969-3327992(Top 99%)11972(Top 98%)11972(Top 919%)
20K12.43 mi3.11 mi28006-511982-1311982-1327913(Top 98%)11941(Top 98%)11941(Top 916%)
Half13.11 mi0.68 mi27989+1711972+1011972+1027836(Top 98%)11909(Top 97%)11909(Top 914%)
25K15.53 mi2.42 mi28112-12312050-7812050-7828276(Top 100%)12170(Top 100%)12170(Top 934%)
30K18.64 mi3.11 mi28089+2312040+1012040+1027762(Top 98%)11924(Top 98%)11924(Top 915%)
20M20.00 mi1.36 mi28037+5212014+2612014+2626776(Top 94%)11445(Top 94%)11445(Top 878%)
21M21.00 mi1.00 mi28068-3112034-2012034-2028142(Top 99%)12122(Top 99%)12122(Top 930%)
35K21.75 mi0.75 mi28061+712030+412030+427458(Top 97%)11831(Top 97%)11831(Top 908%)
23M23.00 mi1.25 mi28042+1912027+312027+327260(Top 96%)11736(Top 96%)11736(Top 901%)
24M24.00 mi1.00 mi28028+1412025+212025+227255(Top 96%)11784(Top 96%)11784(Top 904%)
40K24.85 mi0.85 mi28003+2512016+912016+926417(Top 93%)11343(Top 93%)11343(Top 871%)
25.2M25.20 mi0.35 mi28013-1012023-712023-728138(Top 99%)12157(Top 99%)12157(Top 933%)
Finish26.22 mi1.02 mi28017-412029-612029-627828(Top 98%)12015(Top 98%)12015(Top 922%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

27992

Females

11972

F50-54

11972

5K→10K

3.1 - 6.2 mi

Top 99%
×5story building
+79ft-138ft

Overall

28094

Females

12034

F50-54

12034

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

27992

Females

11972

F50-54

11972

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

27913

Females

11941

F50-54

11941

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

27836

Females

11909

F50-54

11909

Half→25K

13.1 - 15.5 mi

Top 100%
×4story building
+66ft-88ft

Overall

28276

Females

12170

F50-54

12170

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

27762

Females

11924

F50-54

11924

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

26776

Females

11445

F50-54

11445

20M→21M

20.0 - 21.0 mi

Top 99%
×8story building
+106ft-24ft

Overall

28142

Females

12122

F50-54

12122

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

27458

Females

11831

F50-54

11831

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

27260

Females

11736

F50-54

11736

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

27255

Females

11784

F50-54

11784

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

26417

Females

11343

F50-54

11343

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

28138

Females

12157

F50-54

12157

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2story building
+22ft-21ft

Overall

27828

Females

12015

F50-54

12015

Passing Analysis

Category:
Athletes Passed
313
Passed By
651
Net Change
-338
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27679
5K → 10K18296-278#27679#27957
10K → 15K3377-44#27957#28001
15K → 20K3439-5#28001#28006
20K → Half203+17#28006#27989
Half → 25K9132-123#27989#28112
25K → 30K4219+23#28112#28089
30K → 20M564+52#28089#28037
20M → 21M637-31#28037#28068
21M → 35K103+7#28068#28061
35K → 23M267+19#28061#28042
23M → 24M206+14#28042#28028
24M → 40K283+25#28028#28003
40K → 25.2M212-10#28003#28013
25.2M → Finish913-4#28013#28017
TOTALS313651-338
📊

Passing Visuals

Category:
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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