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BOSTON MARATHON 2025

Sarah Keay

Bib: 22347•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 49%
Gender (Female)
#0 / 12228
Top 35%
Masters (Masters Women)
#0 / 6759
Top 20%
Division (F45-49)
#0 / 1813
Top 23%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:34
Rank: #15777
Start → 5K
24:34 | 7:54/mi
10K· 6.21 mi
49:03
Rank: #15622 (+155)
5K → 10K
24:29 | 7:53/mi
15K· 9.32 mi
1:13:30
Rank: #15378 (+244)
10K → 15K
24:27 | 7:52/mi
20K· 12.43 mi
1:38:06
Rank: #15046 (+332)
15K → 20K
24:36 | 7:55/mi
Half· 13.11 mi
1:43:27
Rank: #15014 (+32)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
2:02:42
Rank: #14705 (+309)
Half → 25K
19:15 | 7:56/mi
30K· 18.64 mi
2:27:51
Rank: #14134 (+571)
25K → 30K
25:09 | 8:06/mi
20M
2:39:03
Rank: #13935 (+199)
30K → 20M
11:12 | 8:15/mi
21M
2:48:35
Rank: #14077 (-142)
20M → 21M
9:32 | 9:32/mi
35K· 21.75 mi
2:54:36
Rank: #14004 (+73)
21M → 35K
6:01 | 8:03/mi
23M
3:05:07
Rank: #13916 (+88)
35K → 23M
10:31 | 8:24/mi
24M
3:13:13
Rank: #13809 (+107)
23M → 24M
8:06 | 8:06/mi
40K· 24.85 mi
3:20:20
Rank: #13722 (+87)
24M → 40K
7:07 | 8:19/mi
25.2M
3:23:44
Rank: #13772 (-50)
40K → 25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:32:29
Rank: #13891 (-119)
25.2M → Finish
8:45 | 8:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:27
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:49:02
Pace8:19 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4424:347:5424:34
7:54
-
10K
6.21 mi11:44:1349:037:5424:29
7:53
-0:01
15K
9.32 mi12:08:401:13:307:5324:27
7:52
-0:01
20K
12.43 mi12:33:161:38:067:5424:36
7:55
+0:03
Half
13.11 mi12:38:371:43:277:535:21
7:50
-0:05
25K
15.53 mi12:57:522:02:427:5419:15
7:56
+0:06
30K
18.64 mi13:23:012:27:517:5625:09
8:06
+0:10
20M
20.00 mi13:34:132:39:037:5711:12
8:15
+0:09
21M
21.00 mi13:43:452:48:358:029:32
9:32
+1:17
35K
21.75 mi13:49:462:54:368:026:01
8:03
-1:29
23M
23.00 mi14:00:173:05:078:0310:31
8:24
+0:21
24M
24.00 mi14:08:233:13:138:038:06
8:06
-0:18
40K
24.85 mi14:15:303:20:208:047:07
8:19
+0:13
25.2M
25.20 mi14:18:543:23:448:053:24
9:52
+1:33
Finish
26.22 mi14:27:393:32:298:078:45
8:35
-1:17

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

7:50 /mi

Average Pace

8:07 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:00:17

85% of race

Time at Slower Pace

32:12

15% of race

Average Pace: 8:06 /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 mi11:19:4424:347:5424:34
7:54
#15777
10K
6.21 mi11:44:1349:037:5424:29
7:53
#15622
15K
9.32 mi12:08:401:13:307:5324:27
7:52
#15378
20K
12.43 mi12:33:161:38:067:5424:36
7:55
#15046
Half
13.11 mi12:38:371:43:277:535:21
7:50
#15014
25K
15.53 mi12:57:522:02:427:5419:15
7:56
#14705
30K
18.64 mi13:23:012:27:517:5625:09
8:06
#14134
20M
20.00 mi13:34:132:39:037:5711:12
8:15
#13935
21M
21.00 mi13:43:452:48:358:029:32
9:32
#14077
35K
21.75 mi13:49:462:54:368:026:01
8:03
#14004
23M
23.00 mi14:00:173:05:078:0310:31
8:24
#13916
24M
24.00 mi14:08:233:13:138:038:06
8:06
#13809
40K
24.85 mi14:15:303:20:208:047:07
8:19
#13722
25.2M
25.20 mi14:18:543:23:448:053:24
9:52
#13772
Finish
26.22 mi14:27:393:32:298:078:45
8:35
#13891
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi157775006500614996(Top 53%)4576(Top 37%)4576(Top 252%)
10K6.21 mi3.10 mi15622+1554908+984908+9815536(Top 55%)4852(Top 40%)4852(Top 268%)
15K9.32 mi3.11 mi15378+2444774+1344774+13414996(Top 53%)4576(Top 37%)4576(Top 252%)
20K12.43 mi3.11 mi15046+3324607+1674607+16714269(Top 50%)4233(Top 35%)4233(Top 233%)
Half13.11 mi0.68 mi15014+324595+124595+1214659(Top 52%)4426(Top 36%)4426(Top 244%)
25K15.53 mi2.42 mi14705+3094449+1464449+14613446(Top 47%)3913(Top 32%)3913(Top 216%)
30K18.64 mi3.11 mi14134+5714180+2694180+26912082(Top 43%)3333(Top 27%)3333(Top 184%)
20M20.00 mi1.36 mi13935+1994106+744106+7412118(Top 43%)3522(Top 29%)3522(Top 194%)
21M21.00 mi1.00 mi14077-1424209-1034209-10316228(Top 57%)5824(Top 48%)5824(Top 321%)
35K21.75 mi0.75 mi14004+734190+194190+1912585(Top 44%)3948(Top 32%)3948(Top 218%)
23M23.00 mi1.25 mi13916+884176+144176+1412704(Top 45%)4102(Top 34%)4102(Top 226%)
24M24.00 mi1.00 mi13809+1074154+224154+2211937(Top 42%)3776(Top 31%)3776(Top 208%)
40K24.85 mi0.85 mi13722+874129+254129+2512331(Top 43%)4100(Top 34%)4100(Top 226%)
25.2M25.20 mi0.35 mi13772-504180-514180-5116397(Top 58%)6258(Top 51%)6258(Top 345%)
Finish26.22 mi1.02 mi13891-1194264-844264-8416771(Top 59%)6432(Top 53%)6432(Top 355%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

14996

Females

4576

F45-49

4576

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

15536

Females

4852

F45-49

4852

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

14996

Females

4576

F45-49

4576

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

14269

Females

4233

F45-49

4233

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

14659

Females

4426

F45-49

4426

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

13446

Females

3913

F45-49

3913

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

12082

Females

3333

F45-49

3333

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

12118

Females

3522

F45-49

3522

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

16228

Females

5824

F45-49

5824

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

12585

Females

3948

F45-49

3948

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

12704

Females

4102

F45-49

4102

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

11937

Females

3776

F45-49

3776

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12331

Females

4100

F45-49

4100

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16397

Females

6258

F45-49

6258

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

16771

Females

6432

F45-49

6432

Passing Analysis

Category:
Athletes Passed
2972
Passed By
1086
Net Change
+1886
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15777
5K → 10K401246+155#15777#15622
10K → 15K32884+244#15622#15378
15K → 20K39563+332#15378#15046
20K → Half5018+32#15046#15014
Half → 25K34233+309#15014#14705
25K → 30K59524+571#14705#14134
30K → 20M22425+199#14134#13935
20M → 21M66208-142#13935#14077
21M → 35K10229+73#14077#14004
35K → 23M15163+88#14004#13916
23M → 24M14437+107#13916#13809
24M → 40K11730+87#13809#13722
40K → 25.2M2272-50#13722#13772
25.2M → Finish35154-119#13772#13891
TOTALS29721086+1886
📊

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