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BOSTON MARATHON 2025

Maggie Jeffrey

Bib: 19332•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 39%
Masters (Masters Women)
#0 / 6759
Top 24%
Division (F40-44)
#0 / 1718
Top 47%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:52
Rank: #16626
Start → 5K
24:52 | 8:00/mi
10K· 6.21 mi
49:52
Rank: #16717 (-91)
5K → 10K
25:00 | 8:03/mi
15K· 9.32 mi
1:14:37
Rank: #16379 (+338)
10K → 15K
24:45 | 7:58/mi
20K· 12.43 mi
1:39:50
Rank: #16195 (+184)
15K → 20K
25:13 | 8:07/mi
Half· 13.11 mi
1:45:19
Rank: #16187 (+8)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:05:07
Rank: #15981 (+206)
Half → 25K
19:48 | 8:10/mi
30K· 18.64 mi
2:31:46
Rank: #15820 (+161)
25K → 30K
26:39 | 8:35/mi
20M
2:43:12
Rank: #15553 (+267)
30K → 20M
11:26 | 8:25/mi
21M
2:52:14
Rank: #15405 (+148)
20M → 21M
9:02 | 9:02/mi
35K· 21.75 mi
2:58:25
Rank: #15325 (+80)
21M → 35K
6:11 | 8:16/mi
23M
3:09:13
Rank: #15236 (+89)
35K → 23M
10:48 | 8:38/mi
24M
3:17:29
Rank: #15086 (+150)
23M → 24M
8:16 | 8:16/mi
40K· 24.85 mi
3:24:34
Rank: #14958 (+128)
24M → 40K
7:05 | 8:17/mi
25.2M
3:27:39
Rank: #14878 (+80)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:35:42
Rank: #14750 (+128)
25.2M → Finish
8:03 | 7:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:19
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:50:23
Pace8:25 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:4324:528:0024:52
8:00
-
10K
6.21 mi11:43:4349:528:0225:00
8:03
+0:03
15K
9.32 mi12:08:281:14:378:0024:45
7:58
-0:05
20K
12.43 mi12:33:411:39:508:0225:13
8:07
+0:09
Half
13.11 mi12:39:101:45:198:025:29
8:02
-0:05
25K
15.53 mi12:58:582:05:078:0319:48
8:10
+0:08
30K
18.64 mi13:25:372:31:468:0826:39
8:35
+0:25
20M
20.00 mi13:37:032:43:128:1011:26
8:25
-0:10
21M
21.00 mi13:46:052:52:148:129:02
9:02
+0:37
35K
21.75 mi13:52:162:58:258:126:11
8:16
-0:46
23M
23.00 mi14:03:043:09:138:1410:48
8:38
+0:22
24M
24.00 mi14:11:203:17:298:148:16
8:16
-0:22
40K
24.85 mi14:18:253:24:348:147:05
8:17
+0:01
25.2M
25.20 mi14:21:303:27:398:143:05
8:56
+0:39
Finish
26.22 mi14:29:333:35:428:148:03
7:54
-1:02

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

7:54 /mi

Average Pace

8:14 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:35

94% of race

Time at Steady Pace

12:07

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:14 /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 mi11:18:4324:528:0024:52
8:00
#16626
10K
6.21 mi11:43:4349:528:0225:00
8:03
#16717
15K
9.32 mi12:08:281:14:378:0024:45
7:58
#16379
20K
12.43 mi12:33:411:39:508:0225:13
8:07
#16195
Half
13.11 mi12:39:101:45:198:025:29
8:02
#16187
25K
15.53 mi12:58:582:05:078:0319:48
8:10
#15981
30K
18.64 mi13:25:372:31:468:0826:39
8:35
#15820
20M
20.00 mi13:37:032:43:128:1011:26
8:25
#15553
21M
21.00 mi13:46:052:52:148:129:02
9:02
#15405
35K
21.75 mi13:52:162:58:258:126:11
8:16
#15325
23M
23.00 mi14:03:043:09:138:1410:48
8:38
#15236
24M
24.00 mi14:11:203:17:298:148:16
8:16
#15086
40K
24.85 mi14:18:253:24:348:147:05
8:17
#14958
25.2M
25.20 mi14:21:303:27:398:143:05
8:56
#14878
Finish
26.22 mi14:29:333:35:428:148:03
7:54
#14750
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi166265529552915798(Top 56%)5035(Top 41%)5035(Top 293%)
10K6.21 mi3.10 mi16717-915564-355564-3516825(Top 59%)5602(Top 46%)5602(Top 326%)
15K9.32 mi3.11 mi16379+3385362+2025362+20215798(Top 56%)5035(Top 41%)5035(Top 293%)
20K12.43 mi3.11 mi16195+1845270+925270+9215761(Top 55%)5070(Top 41%)5070(Top 295%)
Half13.11 mi0.68 mi16187+85270527016205(Top 57%)5292(Top 43%)5292(Top 308%)
25K15.53 mi2.42 mi15981+2065153+1175153+11715096(Top 53%)4785(Top 39%)4785(Top 279%)
30K18.64 mi3.11 mi15820+1615119+345119+3415254(Top 54%)5047(Top 41%)5047(Top 294%)
20M20.00 mi1.36 mi15553+2675003+1165003+11613271(Top 47%)4132(Top 34%)4132(Top 241%)
21M21.00 mi1.00 mi15405+1484952+514952+5113727(Top 48%)4480(Top 37%)4480(Top 261%)
35K21.75 mi0.75 mi15325+804924+284924+2814080(Top 50%)4716(Top 39%)4716(Top 275%)
23M23.00 mi1.25 mi15236+894915+94915+914109(Top 50%)4853(Top 40%)4853(Top 282%)
24M24.00 mi1.00 mi15086+1504853+624853+6213063(Top 46%)4354(Top 36%)4354(Top 253%)
40K24.85 mi0.85 mi14958+1284805+484805+4812101(Top 43%)3974(Top 32%)3974(Top 231%)
25.2M25.20 mi0.35 mi14878+804769+364769+3611562(Top 41%)3799(Top 31%)3799(Top 221%)
Finish26.22 mi1.02 mi14750+1284727+424727+4212206(Top 43%)4043(Top 33%)4043(Top 235%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

15798

Females

5035

F40-44

5035

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

16825

Females

5602

F40-44

5602

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

15798

Females

5035

F40-44

5035

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

15761

Females

5070

F40-44

5070

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

16205

Females

5292

F40-44

5292

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

15096

Females

4785

F40-44

4785

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

15254

Females

5047

F40-44

5047

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

13271

Females

4132

F40-44

4132

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

13727

Females

4480

F40-44

4480

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

14080

Females

4716

F40-44

4716

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

14109

Females

4853

F40-44

4853

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

13063

Females

4354

F40-44

4354

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12101

Females

3974

F40-44

3974

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11562

Females

3799

F40-44

3799

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

12206

Females

4043

F40-44

4043

Passing Analysis

Category:
Athletes Passed
2807
Passed By
931
Net Change
+1876
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16626
5K → 10K254345-91#16626#16717
10K → 15K40062+338#16717#16379
15K → 20K306122+184#16379#16195
20K → Half2921+8#16195#16187
Half → 25K27266+206#16187#15981
25K → 30K294133+161#15981#15820
30K → 20M28013+267#15820#15553
20M → 21M18638+148#15553#15405
21M → 35K10424+80#15405#15325
35K → 23M14657+89#15325#15236
23M → 24M16212+150#15236#15086
24M → 40K14315+128#15086#14958
40K → 25.2M888+80#14958#14878
25.2M → Finish14315+128#14878#14750
TOTALS2807931+1876
📊

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