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BOSTON MARATHON 2025

Sarah Farnworth

ON

Bib: 22404 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 50%
Division (F55-59)
#0 / 994
Top 32%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Mile 2
Mile 4
Mile 8
Mile 10
Mile 14
Start
0:00
Race begins
5K· 3.11 mi
8:23/mi
26:03
↑ 97↓ 345
10K· 6.21 mi
8:24/mi
52:09
↑ 79↓ 138
15K· 9.32 mi
8:25/mi
1:18:18
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:44:42
↑ 106↓ 86
Half· 13.11 mi
8:33/mi
1:50:32
↑ 19↓ 37
25K· 15.53 mi
8:48/mi
2:11:53
↑ 66↓ 88
30K· 18.64 mi
9:16/mi
2:40:39
↑ 181↓ 148
20M
11:22/mi
2:56:06
↑ 64↓ 50
21M
9:35/mi
3:05:41
↑ 106↓ 24
35K· 21.75 mi
9:03/mi
3:12:27
↑ 17↓ 86
23M
9:09/mi
3:23:54
↑ 23↓ 63
24M
9:11/mi
3:33:05
↓ 82
40K· 24.85 mi
9:00/mi
3:40:47
↓ 20
25.2M
10:09/mi
3:44:17
↑ 13↓ 16
Finish· 26.22 mi
8:35/mi
3:53:02
↑ 22↓ 21
Course Elevation
890ft
Total climb
462ft
Range
7 to 469 ft
1,342ft
Total descent
About the height of two redwood trees

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The Course

Half Splits

1st Half· via Half
1:50:328:26 /mi⚡ faster
2nd Half
2:02:309:21 /mi+10.8%
Positive split — 10.8% slower in the second half
AI Race Performance Report

Sarah's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

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Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
26:038:233.11 mi26:03
8:23
-
10K
52:098:243.10 mi26:06
8:24
+0:01
15K
1:18:188:243.11 mi26:09
8:25
+0:01
20K
1:44:428:253.11 mi26:24
8:30
+0:05
Half(13.11 mi)
1:50:328:260.68 mi5:50
8:33
+0:03
25K
2:11:538:292.42 mi21:21
8:48
+0:15
30K
2:40:398:373.11 mi28:46
9:16
+0:28
20M
2:56:068:481.36 mi15:27
11:22
+2:06
21M
3:05:418:511.00 mi9:35
9:35
-1:47
35K
3:12:278:510.75 mi6:46
9:03
-0:32
23M
3:23:548:521.25 mi11:27
9:09
+0:06
24M
3:33:058:531.00 mi9:11
9:11
+0:02
40K
3:40:478:530.85 mi7:42
9:00
-0:11
25.2M
3:44:178:540.35 mi3:30
10:09
+1:09
Finish(26.22 mi)
3:53:028:541.02 mi8:45
8:35
-1:34
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Sarah's race

Checkpoint splits, rankings, passing analysis and qualifying. One free sign-in reveals them here — and on every race you look up.

Checkpoints & Pacing

Pace Line

Fastest Pace

8:23 /mi

Average Pace

8:54 /mi

Slowest Pace

11:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:59:17

51% of race

Time at Steady Pace

1:25:13

37% of race

Time at Slower Pace

28:32

12% of race

Average Pace: 8:53 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi19219703270321882567976797
10K3.10 mi19203+167011+217011+211921170077007
15K3.11 mi19032+1716932+796932+791882567976797
20K3.11 mi18804+2286792+1406792+1401823964746474
Half(13.11 mi)0.68 mi18845-416820-286820-281956272187218
25K2.42 mi18851-66825-56825-51897469656965
30K3.11 mi18860-96863-386863-381893970877087
20M1.36 mi19585-7257310-4477310-447243111011810118
21M1.00 mi19394+1917230+807230+801649559835983
35K0.75 mi19367+277231-17231-11847871787178
23M1.25 mi19219+1487172+597172+591710265126512
24M1.00 mi19185+347177-57177-51829271947194
40K0.85 mi19067+1187132+457132+451638362606260
25.2M0.35 mi19041+267131+17131+11774169936993
Finish(26.22 mi)1.02 mi18955+867103+287103+281679764586458

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
469 ft222 ft
↑ 97ft↓ 345ft
248 ft

Overall

18825

Females

6797

F55-59

6797

5K→10K

3.1 - 6.2 mi

Top 68%
216 ft157 ft
↑ 79ft↓ 138ft
59 ft

Overall

19211

Females

7007

F55-59

7007

10K→15K

6.2 - 9.3 mi

Top 66%
157 ft146 ft
↑ 67ft↓ 78ft
34 ft

Overall

18825

Females

6797

F55-59

6797

15K→20K

9.3 - 12.4 mi

Top 64%
147 ft167 ft
↑ 106ft↓ 86ft
63 ft

Overall

18239

Females

6474

F55-59

6474

20K→Half

12.4 - 13.1 mi

Top 69%
165 ft147 ft
↑ 19ft↓ 37ft
30 ft

Overall

19562

Females

7218

F55-59

7218

Half→25K

13.1 - 15.5 mi

Top 67%
148 ft126 ft
↑ 66ft↓ 88ft
44 ft

Overall

18974

Females

6965

F55-59

6965

25K→30K

15.5 - 18.6 mi

Top 67%
106 ft139 ft
↑ 181ft↓ 148ft
109 ft

Overall

18939

Females

7087

F55-59

7087

30K→20M

18.6 - 20.0 mi

Top 86%
134 ft148 ft
↑ 64ft↓ 50ft
56 ft

Overall

24311

Females

10118

F55-59

10118

20M→21M

20.0 - 21.0 mi

Top 58%
147 ft230 ft
↑ 106ft↓ 24ft
97 ft

Overall

16495

Females

5983

F55-59

5983

21M→35K

21.0 - 21.8 mi

Top 65%
223 ft154 ft
↑ 17ft↓ 86ft
78 ft

Overall

18478

Females

7178

F55-59

7178

35K→23M

21.8 - 23.0 mi

Top 60%
158 ft119 ft
↑ 23ft↓ 63ft
63 ft

Overall

17102

Females

6512

F55-59

6512

23M→24M

23.0 - 24.0 mi

Top 64%
115 ft45 ft
↑ 12ft↓ 82ft
70 ft

Overall

18292

Females

7194

F55-59

7194

24M→40K

24.0 - 24.9 mi

Top 58%
31 ft17 ft
↑ 6ft↓ 20ft
15 ft

Overall

16383

Females

6260

F55-59

6260

40K→25.2M

24.9 - 25.2 mi

Top 62%
22 ft19 ft
↑ 13ft↓ 16ft
16 ft

Overall

17741

Females

6993

F55-59

6993

25.2M→Finish

25.2 - 26.2 mi

Top 59%
16 ft17 ft
↑ 22ft↓ 21ft
19 ft

Overall

16797

Females

6458

F55-59

6458

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing