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BOSTON MARATHON 2025

Sara Johnson

Bib: 9631•F

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 32%
Gender (Female)
#0 / 12228
Top 15%
Masters (Masters Women)
#0 / 6759
Top 5%
Division (F50-54)
#0 / 1303
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:54
Rank: #11061
Start → 5K
22:54 | 7:22/mi
10K· 6.21 mi
46:00
Rank: #11263 (-202)
5K → 10K
23:06 | 7:26/mi
15K· 9.32 mi
1:08:44
Rank: #10836 (+427)
10K → 15K
22:44 | 7:19/mi
20K· 12.43 mi
1:31:48
Rank: #10633 (+203)
15K → 20K
23:04 | 7:25/mi
Half· 13.11 mi
1:36:44
Rank: #10565 (+68)
20K → Half
4:56 | 7:14/mi
25K· 15.53 mi
1:54:51
Rank: #10391 (+174)
Half → 25K
18:07 | 7:28/mi
30K· 18.64 mi
2:18:59
Rank: #10202 (+189)
25K → 30K
24:08 | 7:46/mi
20M
2:29:52
Rank: #10190 (+12)
30K → 20M
10:53 | 8:01/mi
21M
2:37:47
Rank: #9920 (+270)
20M → 21M
7:55 | 7:55/mi
35K· 21.75 mi
2:43:02
Rank: #9700 (+220)
21M → 35K
5:15 | 7:01/mi
23M
2:52:31
Rank: #9504 (+196)
35K → 23M
9:29 | 7:34/mi
24M
2:59:51
Rank: #9330 (+174)
23M → 24M
7:20 | 7:20/mi
40K· 24.85 mi
3:06:24
Rank: #9233 (+97)
24M → 40K
6:33 | 7:40/mi
25.2M
3:09:13
Rank: #9172 (+61)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:16:31
Rank: #9033 (+139)
25.2M → Finish
7:18 | 7:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:44
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:39:47
Pace7:37 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0522:547:2222:54
7:22
-
10K
6.21 mi11:13:1146:007:2423:06
7:26
+0:04
15K
9.32 mi11:35:551:08:447:2222:44
7:19
-0:07
20K
12.43 mi11:58:591:31:487:2323:04
7:25
+0:06
Half
13.11 mi12:03:551:36:447:234:56
7:14
-0:11
25K
15.53 mi12:22:021:54:517:2418:07
7:28
+0:14
30K
18.64 mi12:46:102:18:597:2724:08
7:46
+0:18
20M
20.00 mi12:57:032:29:527:3010:53
8:01
+0:15
21M
21.00 mi13:04:582:37:477:317:55
7:55
-0:06
35K
21.75 mi13:10:132:43:027:305:15
7:01
-0:54
23M
23.00 mi13:19:422:52:317:309:29
7:34
+0:33
24M
24.00 mi13:27:022:59:517:307:20
7:20
-0:14
40K
24.85 mi13:33:353:06:247:306:33
7:40
+0:20
25.2M
25.20 mi13:36:243:09:137:312:49
8:10
+0:30
Finish
26.22 mi13:43:423:16:317:307:18
7:10
-1:00

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

7:01 /mi

Average Pace

7:30 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:46

77% of race

Time at Steady Pace

45:45

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:30 /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 mi10:50:0522:547:2222:54
7:22
#11061
10K
6.21 mi11:13:1146:007:2423:06
7:26
#11263
15K
9.32 mi11:35:551:08:447:2222:44
7:19
#10836
20K
12.43 mi11:58:591:31:487:2323:04
7:25
#10633
Half
13.11 mi12:03:551:36:447:234:56
7:14
#10565
25K
15.53 mi12:22:021:54:517:2418:07
7:28
#10391
30K
18.64 mi12:46:102:18:597:2724:08
7:46
#10202
20M
20.00 mi12:57:032:29:527:3010:53
8:01
#10190
21M
21.00 mi13:04:582:37:477:317:55
7:55
#9920
35K
21.75 mi13:10:132:43:027:305:15
7:01
#9700
23M
23.00 mi13:19:422:52:317:309:29
7:34
#9504
24M
24.00 mi13:27:022:59:517:307:20
7:20
#9330
40K
24.85 mi13:33:353:06:247:306:33
7:40
#9233
25.2M
25.20 mi13:36:243:09:137:312:49
8:10
#9172
Finish
26.22 mi13:43:423:16:317:307:18
7:10
#9033
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi110612313231310136(Top 36%)1944(Top 16%)1944(Top 149%)
10K6.21 mi3.10 mi11263-2022432-1192432-11911512(Top 41%)2567(Top 21%)2567(Top 197%)
15K9.32 mi3.11 mi10836+4272241+1912241+19110136(Top 36%)1944(Top 16%)1944(Top 149%)
20K12.43 mi3.11 mi10633+2032163+782163+7810115(Top 36%)2009(Top 16%)2009(Top 154%)
Half13.11 mi0.68 mi10565+682128+352128+359455(Top 33%)1698(Top 14%)1698(Top 130%)
25K15.53 mi2.42 mi10391+1742080+482080+489740(Top 34%)1989(Top 16%)1989(Top 153%)
30K18.64 mi3.11 mi10202+1892059+212059+219688(Top 34%)2134(Top 17%)2134(Top 164%)
20M20.00 mi1.36 mi10190+122078-192078-1910509(Top 37%)2683(Top 22%)2683(Top 206%)
21M21.00 mi1.00 mi9920+2701988+901988+906922(Top 24%)1280(Top 10%)1280(Top 98%)
35K21.75 mi0.75 mi9700+2201904+841904+845541(Top 20%)791(Top 6%)791(Top 61%)
23M23.00 mi1.25 mi9504+1961858+461858+467101(Top 25%)1445(Top 12%)1445(Top 111%)
24M24.00 mi1.00 mi9330+1741814+441814+446654(Top 23%)1322(Top 11%)1322(Top 101%)
40K24.85 mi0.85 mi9233+971811+31811+37854(Top 28%)1919(Top 16%)1919(Top 147%)
25.2M25.20 mi0.35 mi9172+611804+71804+76950(Top 24%)1622(Top 13%)1622(Top 124%)
Finish26.22 mi1.02 mi9033+1391785+191785+196845(Top 24%)1590(Top 13%)1590(Top 122%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

10136

Females

1944

F50-54

1944

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

11512

Females

2567

F50-54

2567

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

10136

Females

1944

F50-54

1944

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

10115

Females

2009

F50-54

2009

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

9455

Females

1698

F50-54

1698

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9740

Females

1989

F50-54

1989

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9688

Females

2134

F50-54

2134

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

10509

Females

2683

F50-54

2683

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6922

Females

1280

F50-54

1280

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5541

Females

791

F50-54

791

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

7101

Females

1445

F50-54

1445

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6654

Females

1322

F50-54

1322

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7854

Females

1919

F50-54

1919

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6950

Females

1622

F50-54

1622

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6845

Females

1590

F50-54

1590

Passing Analysis

Category:
Athletes Passed
2905*
Passed By
876
Net Change
+2028
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11061
5K → 10K157359-202#11061#11263
10K → 15K45730+427#11263#10836
15K → 20K27269+203#10836#10633
20K → Half757+68#10633#10565
Half → 25K24268+174#10565#10391
25K → 30K318128+189#10391#10202
30K → 20M126114+12#10202#10190
20M → 21M283*13+270#10190#9920
21M → 35K2200+220#9920#9700
35K → 23M22024+196#9700#9504
23M → 24M18410+174#9504#9330
24M → 40K12326+97#9330#9233
40K → 25.2M698+61#9233#9172
25.2M → Finish15920+139#9172#9033
TOTALS2905*876+2028

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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