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BOSTON MARATHON 2025

Sarah Remington

Bib: 29621•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
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
11:45/mi
36:30
↑ 97↓ 3451.5%
10K· 6.21 mi
11:42/mi
1:12:51
↑ 79↓ 1380.4%
15K· 9.32 mi
11:40/mi
1:49:05
↑ 67↓ 78
20K· 12.43 mi
11:48/mi
2:25:44
↑ 106↓ 860.1%
Half· 13.11 mi
11:51/mi
2:33:49
↑ 19↓ 370.5%
25K· 15.53 mi
13:02/mi
3:05:24
↑ 66↓ 880.2%
30K· 18.64 mi
13:04/mi
3:45:59
↑ 181↓ 1480.2%
20M
13:22/mi
4:04:09
↑ 64↓ 500.2%
21M
14:00/mi
4:18:09
↑ 106↓ 241.6%
35K· 21.75 mi
14:13/mi
4:28:47
↑ 17↓ 861.7%
23M
14:23/mi
4:46:48
↑ 23↓ 630.6%
24M
14:24/mi
5:01:12
↓ 821.3%
40K· 24.85 mi
14:30/mi
5:13:36
↓ 200.3%
25.2M
15:08/mi
5:18:49
↑ 13↓ 160.2%
Finish· 26.22 mi
12:26/mi
5:31:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:33:49
Pace11:44 /mi
2nd Half
Distance13.11 mi
Time2:57:40
Pace13:33 /mi
📊Positive Split: 15.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:3236:3011:4536:30
11:45
-
10K
6.21 mi12:30:531:12:5111:4336:21
11:42
-0:03
15K
9.32 mi13:07:071:49:0511:4236:14
11:40
-0:02
20K
12.43 mi13:43:462:25:4411:4436:39
11:48
+0:08
Half
13.11 mi13:51:512:33:4911:448:05
11:51
+0:03
25K
15.53 mi14:23:263:05:2411:5631:35
13:02
+1:11
30K
18.64 mi15:04:013:45:5912:0740:35
13:04
+0:02
20M
20.00 mi15:22:114:04:0912:1218:10
13:22
+0:18
21M
21.00 mi15:36:114:18:0912:1814:00
14:00
+0:38
35K
21.75 mi15:46:494:28:4712:2210:38
14:13
+0:13
23M
23.00 mi16:04:504:46:4812:2818:01
14:23
+0:10
24M
24.00 mi16:19:145:01:1212:3314:24
14:24
+0:01
40K
24.85 mi16:31:385:13:3612:3712:24
14:30
+0:06
25.2M
25.20 mi16:36:515:18:4912:395:13
15:08
+0:38
Finish
26.22 mi16:49:315:31:2912:3912:40
12:26
-2:42

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

11:40 /mi

Average Pace

12:39 /mi

Slowest Pace

15:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:29

50% of race

Time at Steady Pace

1:30:20

27% of race

Time at Slower Pace

1:14:40

23% of race

Average Pace: 12:39 /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 mi11:54:3236:3011:4536:30
11:45
#28158
10K
6.21 mi12:30:531:12:5111:4336:21
11:42
#27969
15K
9.32 mi13:07:071:49:0511:4236:14
11:40
#27803
20K
12.43 mi13:43:462:25:4411:4436:39
11:48
#27595
Half
13.11 mi13:51:512:33:4911:448:05
11:51
#27582
25K
15.53 mi14:23:263:05:2411:5631:35
13:02
#27539
30K
18.64 mi15:04:013:45:5912:0740:35
13:04
#27419
20M
20.00 mi15:22:114:04:0912:1218:10
13:22
#27375
21M
21.00 mi15:36:114:18:0912:1814:00
14:00
#27350
35K
21.75 mi15:46:494:28:4712:2210:38
14:13
#27376
23M
23.00 mi16:04:504:46:4812:2818:01
14:23
#27407
24M
24.00 mi16:19:145:01:1212:3314:24
14:24
#27449
40K
24.85 mi16:31:385:13:3612:3712:24
14:30
#27469
25.2M
25.20 mi16:36:515:18:4912:395:13
15:08
#27471
Finish
26.22 mi16:49:315:31:2912:3912:40
12:26
#27471
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi28158120681206827381(Top 96%)11611(Top 95%)11611(Top 640%)
10K6.21 mi3.10 mi27969+18911942+12611942+12627755(Top 98%)11810(Top 97%)11810(Top 651%)
15K9.32 mi3.11 mi27803+16611844+9811844+9827381(Top 96%)11611(Top 95%)11611(Top 640%)
20K12.43 mi3.11 mi27595+20811728+11611728+11626931(Top 95%)11350(Top 93%)11350(Top 626%)
Half13.11 mi0.68 mi27582+1311720+811720+827334(Top 96%)11608(Top 95%)11608(Top 640%)
25K15.53 mi2.42 mi27539+4311701+1911701+1927312(Top 96%)11601(Top 95%)11601(Top 640%)
30K18.64 mi3.11 mi27419+12011653+4811653+4826747(Top 94%)11357(Top 93%)11357(Top 626%)
20M20.00 mi1.36 mi27375+4411634+1911634+1926773(Top 94%)11442(Top 94%)11442(Top 631%)
21M21.00 mi1.00 mi27350+2511623+1111623+1126229(Top 92%)11172(Top 91%)11172(Top 616%)
35K21.75 mi0.75 mi27376-2611637-1411637-1427791(Top 98%)12004(Top 98%)12004(Top 662%)
23M23.00 mi1.25 mi27407-3111664-2711664-2727592(Top 97%)11902(Top 97%)11902(Top 656%)
24M24.00 mi1.00 mi27449-4211698-3411698-3427826(Top 98%)12037(Top 98%)12037(Top 664%)
40K24.85 mi0.85 mi27469-2011705-711705-727514(Top 97%)11877(Top 97%)11877(Top 655%)
25.2M25.20 mi0.35 mi27471-211709-411709-427207(Top 96%)11753(Top 96%)11753(Top 648%)
Finish26.22 mi1.02 mi2747111716-711716-727229(Top 96%)11731(Top 96%)11731(Top 647%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

27381

Females

11611

F45-49

11611

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

27755

Females

11810

F45-49

11810

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

27381

Females

11611

F45-49

11611

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

26931

Females

11350

F45-49

11350

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

27334

Females

11608

F45-49

11608

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

27312

Females

11601

F45-49

11601

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

26747

Females

11357

F45-49

11357

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

26773

Females

11442

F45-49

11442

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

26229

Females

11172

F45-49

11172

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

27791

Females

12004

F45-49

12004

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

27592

Females

11902

F45-49

11902

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

27826

Females

12037

F45-49

12037

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

27514

Females

11877

F45-49

11877

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27207

Females

11753

F45-49

11753

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2story building
+22ft-21ft

Overall

27229

Females

11731

F45-49

11731

Passing Analysis

Category:
Athletes Passed
978
Passed By
291
Net Change
+687
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28158
5K → 10K1956+189#28158#27969
10K → 15K1726+166#27969#27803
15K → 20K2146+208#27803#27595
20K → Half218+13#27595#27582
Half → 25K7835+43#27582#27539
25K → 30K13818+120#27539#27419
30K → 20M539+44#27419#27375
20M → 21M3813+25#27375#27350
21M → 35K834-26#27350#27376
35K → 23M1142-31#27376#27407
23M → 24M1355-42#27407#27449
24M → 40K1535-20#27449#27469
40K → 25.2M810-2#27469#27471
25.2M → Finish14140#27471#27471
TOTALS978291+687
📊

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