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BOSTON MARATHON 2025

Janet North

Bib: 25023•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F65-69)
#0 / 222
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:58/mi
27:53
↑ 97↓ 3451.5%
10K· 6.21 mi
9:30/mi
57:24
↑ 79↓ 1380.4%
15K· 9.32 mi
9:26/mi
1:26:44
↑ 67↓ 78
20K· 12.43 mi
10:03/mi
1:57:57
↑ 106↓ 860.1%
Half· 13.11 mi
9:33/mi
2:04:28
↑ 19↓ 370.5%
25K· 15.53 mi
10:24/mi
2:29:42
↑ 66↓ 880.2%
30K· 18.64 mi
11:17/mi
3:04:46
↑ 181↓ 1480.2%
20M
11:19/mi
3:20:09
↑ 64↓ 500.2%
21M
12:53/mi
3:33:02
↑ 106↓ 241.6%
35K· 21.75 mi
11:22/mi
3:41:32
↑ 17↓ 861.7%
23M
11:52/mi
3:56:24
↑ 23↓ 630.6%
24M
10:53/mi
4:07:17
↓ 821.3%
40K· 24.85 mi
12:07/mi
4:17:39
↓ 200.3%
25.2M
12:05/mi
4:21:49
↑ 13↓ 160.2%
Finish· 26.22 mi
10:15/mi
4:32:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:28
Pace9:30 /mi
2nd Half
Distance13.11 mi
Time2:27:48
Pace11:16 /mi
📊Positive Split: 18.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:1227:538:5827:53
8:58
-
10K
6.21 mi11:57:4357:249:1429:31
9:30
+0:32
15K
9.32 mi12:27:031:26:449:1829:20
9:26
-0:04
20K
12.43 mi12:58:161:57:579:2931:13
10:03
+0:37
Half
13.11 mi13:04:472:04:289:306:31
9:33
-0:30
25K
15.53 mi13:30:012:29:429:3825:14
10:24
+0:51
30K
18.64 mi14:05:053:04:469:5535:04
11:17
+0:53
20M
20.00 mi14:20:283:20:0910:0015:23
11:19
+0:02
21M
21.00 mi14:33:213:33:0210:0912:53
12:53
+1:34
35K
21.75 mi14:41:513:41:3210:118:30
11:22
-1:31
23M
23.00 mi14:56:433:56:2410:1714:52
11:52
+0:30
24M
24.00 mi15:07:364:07:1710:1810:53
10:53
-0:59
40K
24.85 mi15:17:584:17:3910:2210:22
12:07
+1:14
25.2M
25.20 mi15:22:084:21:4910:234:10
12:05
-0:02
Finish
26.22 mi15:32:354:32:1610:2410:27
10:15
-1:50

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

8:58 /mi

Average Pace

10:24 /mi

Slowest Pace

12:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:55

50% of race

Time at Steady Pace

1:35:04

35% of race

Time at Slower Pace

42:17

16% of race

Average Pace: 10:23 /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 mi11:28:1227:538:5827:53
8:58
#22326
10K
6.21 mi11:57:4357:249:1429:31
9:30
#23341
15K
9.32 mi12:27:031:26:449:1829:20
9:26
#23464
20K
12.43 mi12:58:161:57:579:2931:13
10:03
#23727
Half
13.11 mi13:04:472:04:289:306:31
9:33
#23724
25K
15.53 mi13:30:012:29:429:3825:14
10:24
#23800
30K
18.64 mi14:05:053:04:469:5535:04
11:17
#24002
20M
20.00 mi14:20:283:20:0910:0015:23
11:19
#24024
21M
21.00 mi14:33:213:33:0210:0912:53
12:53
#24103
35K
21.75 mi14:41:513:41:3210:118:30
11:22
#24138
23M
23.00 mi14:56:433:56:2410:1714:52
11:52
#24191
24M
24.00 mi15:07:364:07:1710:1810:53
10:53
#24178
40K
24.85 mi15:17:584:17:3910:2210:22
12:07
#24245
25.2M
25.20 mi15:22:084:21:4910:234:10
12:05
#24226
Finish
26.22 mi15:32:354:32:1610:2410:27
10:15
#24214
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi223268816881623589(Top 83%)9431(Top 77%)9431(Top 4248%)
10K6.21 mi3.10 mi23341-10159338-5229338-52224114(Top 85%)9752(Top 80%)9752(Top 4393%)
15K9.32 mi3.11 mi23464-1239393-559393-5523589(Top 83%)9431(Top 77%)9431(Top 4248%)
20K12.43 mi3.11 mi23727-2639535-1429535-14224336(Top 86%)9899(Top 81%)9899(Top 4459%)
Half13.11 mi0.68 mi23724+39534+19534+123750(Top 84%)9573(Top 78%)9573(Top 4312%)
25K15.53 mi2.42 mi23800-769585-519585-5124192(Top 85%)9845(Top 81%)9845(Top 4435%)
30K18.64 mi3.11 mi24002-2029730-1459730-14524527(Top 86%)10143(Top 83%)10143(Top 4569%)
20M20.00 mi1.36 mi24024-229767-379767-3724233(Top 85%)10080(Top 82%)10080(Top 4541%)
21M21.00 mi1.00 mi24103-799822-559822-5524915(Top 88%)10524(Top 86%)10524(Top 4741%)
35K21.75 mi0.75 mi24138-359844-229844-2224885(Top 88%)10524(Top 86%)10524(Top 4741%)
23M23.00 mi1.25 mi24191-539902-589902-5824932(Top 88%)10566(Top 86%)10566(Top 4759%)
24M24.00 mi1.00 mi24178+139912-109912-1023746(Top 84%)10001(Top 82%)10001(Top 4505%)
40K24.85 mi0.85 mi24245-679947-359947-3525127(Top 88%)10732(Top 88%)10732(Top 4834%)
25.2M25.20 mi0.35 mi24226+199948-19948-123441(Top 83%)9887(Top 81%)9887(Top 4454%)
Finish26.22 mi1.02 mi24214+129949-19949-123695(Top 83%)10022(Top 82%)10022(Top 4514%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

23589

Females

9431

F65-69

9431

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

24114

Females

9752

F65-69

9752

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

23589

Females

9431

F65-69

9431

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

24336

Females

9899

F65-69

9899

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

23750

Females

9573

F65-69

9573

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

24192

Females

9845

F65-69

9845

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

24527

Females

10143

F65-69

10143

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

24233

Females

10080

F65-69

10080

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

24915

Females

10524

F65-69

10524

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

24885

Females

10524

F65-69

10524

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

24932

Females

10566

F65-69

10566

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

23746

Females

10001

F65-69

10001

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

25127

Females

10732

F65-69

10732

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23441

Females

9887

F65-69

9887

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

23695

Females

10022

F65-69

10022

Passing Analysis

Category:
Athletes Passed
768
Passed By
2656
Net Change
-1888
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22326
5K → 10K351050-1015#22326#23341
10K → 15K134257-123#23341#23464
15K → 20K76339-263#23464#23727
20K → Half2017+3#23727#23724
Half → 25K94170-76#23724#23800
25K → 30K89291-202#23800#24002
30K → 20M7294-22#24002#24024
20M → 21M34113-79#24024#24103
21M → 35K1752-35#24103#24138
35K → 23M60113-53#24138#24191
23M → 24M5037+13#24191#24178
24M → 40K1986-67#24178#24245
40K → 25.2M3112+19#24245#24226
25.2M → Finish3725+12#24226#24214
TOTALS7682656-1888
📊

Passing Visuals

Category:
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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