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BOSTON MARATHON 2025

Sarah Janisch

Bib: 31371•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
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
28:49
Rank: #23488
Start → 5K
28:49 | 9:17/mi
10K· 6.21 mi
57:55
Rank: #23630 (-142)
5K → 10K
29:06 | 9:22/mi
15K· 9.32 mi
1:26:35
Rank: #23403 (+227)
10K → 15K
28:40 | 9:14/mi
20K· 12.43 mi
1:55:59
Rank: #23237 (+166)
15K → 20K
29:24 | 9:28/mi
Half· 13.11 mi
2:02:16
Rank: #23203 (+34)
20K → Half
6:17 | 9:13/mi
25K· 15.53 mi
2:25:23
Rank: #22983 (+220)
Half → 25K
23:07 | 9:32/mi
30K· 18.64 mi
2:57:35
Rank: #22876 (+107)
25K → 30K
32:12 | 10:22/mi
20M
3:11:36
Rank: #22805 (+71)
30K → 20M
14:01 | 10:19/mi
21M
3:23:13
Rank: #22810 (-5)
20M → 21M
11:37 | 11:37/mi
35K· 21.75 mi
3:30:27
Rank: #22719 (+91)
21M → 35K
7:14 | 9:40/mi
23M
3:43:22
Rank: #22636 (+83)
35K → 23M
12:55 | 10:19/mi
24M
3:53:28
Rank: #22566 (+70)
23M → 24M
10:06 | 10:06/mi
40K· 24.85 mi
4:02:28
Rank: #22544 (+22)
24M → 40K
9:00 | 10:32/mi
25.2M
4:06:13
Rank: #22516 (+28)
40K → 25.2M
3:45 | 10:52/mi
Finish· 26.22 mi
4:16:04
Rank: #22486 (+30)
25.2M → Finish
9:51 | 9:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:16
Pace9:20 /mi
2nd Half
Distance13.11 mi
Time2:13:48
Pace10:12 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:2328:499:1728:49
9:17
-
10K
6.21 mi12:23:2957:559:1929:06
9:22
+0:05
15K
9.32 mi12:52:091:26:359:1728:40
9:14
-0:08
20K
12.43 mi13:21:331:55:599:2029:24
9:28
+0:14
Half
13.11 mi13:27:502:02:169:206:17
9:13
-0:15
25K
15.53 mi13:50:572:25:239:2223:07
9:32
+0:19
30K
18.64 mi14:23:092:57:359:3232:12
10:22
+0:50
20M
20.00 mi14:37:103:11:369:3514:01
10:19
-0:03
21M
21.00 mi14:48:473:23:139:4111:37
11:37
+1:18
35K
21.75 mi14:56:013:30:279:417:14
9:40
-1:57
23M
23.00 mi15:08:563:43:229:4312:55
10:19
+0:39
24M
24.00 mi15:19:023:53:289:4410:06
10:06
-0:13
40K
24.85 mi15:28:024:02:289:459:00
10:32
+0:26
25.2M
25.20 mi15:31:474:06:139:463:45
10:52
+0:20
Finish
26.22 mi15:41:384:16:049:469:51
9:40
-1:12

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

9:13 /mi

Average Pace

9:46 /mi

Slowest Pace

11:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:03:46

25% of race

Time at Steady Pace

1:38:42

39% of race

Time at Slower Pace

1:33:36

37% of race

Average Pace: 9:46 /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 mi11:54:2328:499:1728:49
9:17
#23488
10K
6.21 mi12:23:2957:559:1929:06
9:22
#23630
15K
9.32 mi12:52:091:26:359:1728:40
9:14
#23403
20K
12.43 mi13:21:331:55:599:2029:24
9:28
#23237
Half
13.11 mi13:27:502:02:169:206:17
9:13
#23203
25K
15.53 mi13:50:572:25:239:2223:07
9:32
#22983
30K
18.64 mi14:23:092:57:359:3232:12
10:22
#22876
20M
20.00 mi14:37:103:11:369:3514:01
10:19
#22805
21M
21.00 mi14:48:473:23:139:4111:37
11:37
#22810
35K
21.75 mi14:56:013:30:279:417:14
9:40
#22719
23M
23.00 mi15:08:563:43:229:4312:55
10:19
#22636
24M
24.00 mi15:19:023:53:289:4410:06
10:06
#22566
40K
24.85 mi15:28:024:02:289:459:00
10:32
#22544
25.2M
25.20 mi15:31:474:06:139:463:45
10:52
#22516
Finish
26.22 mi15:41:384:16:049:469:51
9:40
#22486
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi234889427942722957(Top 81%)9080(Top 74%)9080(Top 529%)
10K6.21 mi3.10 mi23630-1429498-719498-7123741(Top 84%)9536(Top 78%)9536(Top 555%)
15K9.32 mi3.11 mi23403+2279350+1489350+14822957(Top 81%)9080(Top 74%)9080(Top 529%)
20K12.43 mi3.11 mi23237+1669256+949256+9422790(Top 80%)9028(Top 74%)9028(Top 525%)
Half13.11 mi0.68 mi23203+349231+259231+2522665(Top 80%)8969(Top 73%)8969(Top 522%)
25K15.53 mi2.42 mi22983+2209136+959136+9521987(Top 77%)8645(Top 71%)8645(Top 503%)
30K18.64 mi3.11 mi22876+1079113+239113+2322627(Top 80%)9120(Top 75%)9120(Top 531%)
20M20.00 mi1.36 mi22805+719105+89105+821918(Top 77%)8844(Top 72%)8844(Top 515%)
21M21.00 mi1.00 mi22810-59124-199124-1922860(Top 80%)9430(Top 77%)9430(Top 549%)
35K21.75 mi0.75 mi22719+919086+389086+3820932(Top 74%)8475(Top 69%)8475(Top 493%)
23M23.00 mi1.25 mi22636+839066+209066+2021493(Top 76%)8813(Top 72%)8813(Top 513%)
24M24.00 mi1.00 mi22566+709054+129054+1221660(Top 76%)8948(Top 73%)8948(Top 521%)
40K24.85 mi0.85 mi22544+229054905422014(Top 78%)9205(Top 75%)9205(Top 536%)
25.2M25.20 mi0.35 mi22516+289042+129042+1220304(Top 71%)8324(Top 68%)8324(Top 485%)
Finish26.22 mi1.02 mi22486+309050-89050-821818(Top 77%)9072(Top 74%)9072(Top 528%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

22957

Females

9080

F40-44

9080

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

23741

Females

9536

F40-44

9536

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

22957

Females

9080

F40-44

9080

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

22790

Females

9028

F40-44

9028

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

22665

Females

8969

F40-44

8969

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

21987

Females

8645

F40-44

8645

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

22627

Females

9120

F40-44

9120

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

21918

Females

8844

F40-44

8844

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

22860

Females

9430

F40-44

9430

21M→35K

21.0 - 21.8 mi

Top 74%
×7stories
+17ft-86ft

Overall

20932

Females

8475

F40-44

8475

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

21493

Females

8813

F40-44

8813

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

21660

Females

8948

F40-44

8948

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22014

Females

9205

F40-44

9205

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20304

Females

8324

F40-44

8324

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

21818

Females

9072

F40-44

9072

Passing Analysis

Category:
Athletes Passed
1858
Passed By
856
Net Change
+1002
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23488
5K → 10K174316-142#23488#23630
10K → 15K30073+227#23630#23403
15K → 20K23367+166#23403#23237
20K → Half4915+34#23237#23203
Half → 25K25737+220#23203#22983
25K → 30K211104+107#22983#22876
30K → 20M11544+71#22876#22805
20M → 21M5964-5#22805#22810
21M → 35K998+91#22810#22719
35K → 23M11835+83#22719#22636
23M → 24M9121+70#22636#22566
24M → 40K5432+22#22566#22544
40K → 25.2M346+28#22544#22516
25.2M → Finish6434+30#22516#22486
TOTALS1858856+1002
📊

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