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BOSTON MARATHON 2025

Sarah Mccafferty

Bib: 15070•F

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Overall
#0 / 28404
Top 39%
Gender (Female)
#0 / 12228
Top 22%
Division (F18-39)
#0 / 5469
Top 38%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:49
Rank: #13666
Start → 5K
23:49 | 7:40/mi
10K· 6.21 mi
47:35
Rank: #13575 (+91)
5K → 10K
23:46 | 7:39/mi
15K· 9.32 mi
1:10:57
Rank: #12970 (+605)
10K → 15K
23:22 | 7:31/mi
20K· 12.43 mi
1:34:31
Rank: #12533 (+437)
15K → 20K
23:34 | 7:35/mi
Half· 13.11 mi
1:39:34
Rank: #12461 (+72)
20K → Half
5:03 | 7:24/mi
25K· 15.53 mi
1:57:48
Rank: #12033 (+428)
Half → 25K
18:14 | 7:31/mi
30K· 18.64 mi
2:22:00
Rank: #11567 (+466)
25K → 30K
24:12 | 7:47/mi
20M
2:32:41
Rank: #11358 (+209)
30K → 20M
10:41 | 7:52/mi
21M
2:40:49
Rank: #11137 (+221)
20M → 21M
8:08 | 8:08/mi
35K· 21.75 mi
2:46:30
Rank: #11041 (+96)
21M → 35K
5:41 | 7:36/mi
23M
2:56:22
Rank: #10892 (+149)
35K → 23M
9:52 | 7:53/mi
24M
3:04:20
Rank: #10872 (+20)
23M → 24M
7:58 | 7:58/mi
40K· 24.85 mi
3:11:21
Rank: #10855 (+17)
24M → 40K
7:01 | 8:12/mi
25.2M
3:14:30
Rank: #10886 (-31)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:22:42
Rank: #10943 (-57)
25.2M → Finish
8:12 | 8:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:34
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:43:08
Pace7:52 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:5123:497:4023:49
7:40
-
10K
6.21 mi11:18:3747:357:3923:46
7:39
-0:01
15K
9.32 mi11:41:591:10:577:3723:22
7:31
-0:08
20K
12.43 mi12:05:331:34:317:3623:34
7:35
+0:04
Half
13.11 mi12:10:361:39:347:365:03
7:24
-0:11
25K
15.53 mi12:28:501:57:487:3518:14
7:31
+0:07
30K
18.64 mi12:53:022:22:007:3724:12
7:47
+0:16
20M
20.00 mi13:03:432:32:417:3810:41
7:52
+0:05
21M
21.00 mi13:11:512:40:497:398:08
8:08
+0:16
35K
21.75 mi13:17:322:46:307:395:41
7:36
-0:32
23M
23.00 mi13:27:242:56:227:409:52
7:53
+0:17
24M
24.00 mi13:35:223:04:207:417:58
7:58
+0:05
40K
24.85 mi13:42:233:11:217:427:01
8:12
+0:14
25.2M
25.20 mi13:45:323:14:307:433:09
9:08
+0:56
Finish
26.22 mi13:53:443:22:427:448:12
8:03
-1:05

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

7:24 /mi

Average Pace

7:44 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

46:39

23% of race

Time at Steady Pace

2:09:33

64% of race

Time at Slower Pace

26:30

13% of race

Average Pace: 7:44 /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 mi10:54:5123:497:4023:49
7:40
#13666
10K
6.21 mi11:18:3747:357:3923:46
7:39
#13575
15K
9.32 mi11:41:591:10:577:3723:22
7:31
#12970
20K
12.43 mi12:05:331:34:317:3623:34
7:35
#12533
Half
13.11 mi12:10:361:39:347:365:03
7:24
#12461
25K
15.53 mi12:28:501:57:487:3518:14
7:31
#12033
30K
18.64 mi12:53:022:22:007:3724:12
7:47
#11567
20M
20.00 mi13:03:432:32:417:3810:41
7:52
#11358
21M
21.00 mi13:11:512:40:497:398:08
8:08
#11137
35K
21.75 mi13:17:322:46:307:395:41
7:36
#11041
23M
23.00 mi13:27:242:56:227:409:52
7:53
#10892
24M
24.00 mi13:35:223:04:207:417:58
7:58
#10872
40K
24.85 mi13:42:233:11:217:427:01
8:12
#10855
25.2M
25.20 mi13:45:323:14:307:433:09
9:08
#10886
Finish
26.22 mi13:53:443:22:427:448:12
8:03
#10943
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi136663686368611959(Top 42%)2877(Top 24%)2877(Top 53%)
10K6.21 mi3.10 mi13575+913691-53691-513458(Top 47%)3635(Top 30%)3635(Top 66%)
15K9.32 mi3.11 mi12970+6053372+3193372+31911959(Top 42%)2877(Top 24%)2877(Top 53%)
20K12.43 mi3.11 mi12533+4373163+2093163+20911484(Top 40%)2733(Top 22%)2733(Top 50%)
Half13.11 mi0.68 mi12461+723128+353128+3510972(Top 39%)2414(Top 20%)2414(Top 44%)
25K15.53 mi2.42 mi12033+4282938+1902938+19010172(Top 36%)2177(Top 18%)2177(Top 40%)
30K18.64 mi3.11 mi11567+4662767+1712767+1719878(Top 35%)2237(Top 18%)2237(Top 41%)
20M20.00 mi1.36 mi11358+2092700+672700+679487(Top 33%)2212(Top 18%)2212(Top 40%)
21M21.00 mi1.00 mi11137+2212626+742626+748204(Top 29%)1819(Top 15%)1819(Top 33%)
35K21.75 mi0.75 mi11041+962597+292597+299372(Top 33%)2313(Top 19%)2313(Top 42%)
23M23.00 mi1.25 mi10892+1492557+402557+409186(Top 32%)2347(Top 19%)2347(Top 43%)
24M24.00 mi1.00 mi10872+202583-262583-2611019(Top 39%)3309(Top 27%)3309(Top 61%)
40K24.85 mi0.85 mi10855+172615-322615-3211607(Top 41%)3699(Top 30%)3699(Top 68%)
25.2M25.20 mi0.35 mi10886-312650-352650-3512579(Top 44%)4258(Top 35%)4258(Top 78%)
Finish26.22 mi1.02 mi10943-572715-652715-6513207(Top 46%)4547(Top 37%)4547(Top 83%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11959

Females

2877

F18-39

2877

5K→10K

3.1 - 6.2 mi

Top 47%
×5stories
+79ft-138ft

Overall

13458

Females

3635

F18-39

3635

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11959

Females

2877

F18-39

2877

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

11484

Females

2733

F18-39

2733

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10972

Females

2414

F18-39

2414

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

10172

Females

2177

F18-39

2177

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9878

Females

2237

F18-39

2237

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

9487

Females

2212

F18-39

2212

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

8204

Females

1819

F18-39

1819

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

9372

Females

2313

F18-39

2313

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

9186

Females

2347

F18-39

2347

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

11019

Females

3309

F18-39

3309

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11607

Females

3699

F18-39

3699

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12579

Females

4258

F18-39

4258

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

13207

Females

4547

F18-39

4547

Passing Analysis

Category:
Athletes Passed
3448
Passed By
725
Net Change
+2723
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13666
5K → 10K330239+91#13666#13575
10K → 15K63328+605#13575#12970
15K → 20K46831+437#12970#12533
20K → Half775+72#12533#12461
Half → 25K43810+428#12461#12033
25K → 30K49428+466#12033#11567
30K → 20M23425+209#11567#11358
20M → 21M23716+221#11358#11137
21M → 35K11014+96#11137#11041
35K → 23M18637+149#11041#10892
23M → 24M8363+20#10892#10872
24M → 40K8366+17#10872#10855
40K → 25.2M2859-31#10855#10886
25.2M → Finish47104-57#10886#10943
TOTALS3448725+2723
📊

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