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BOSTON MARATHON 2025

Jill Whitney

Bib: 21878•F

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
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
8:14/mi
25:35
↑ 97↓ 3451.5%
10K· 6.21 mi
8:55/mi
53:17
↑ 79↓ 1380.4%
15K· 9.32 mi
9:10/mi
1:21:47
↑ 67↓ 78
20K· 12.43 mi
10:12/mi
1:53:29
↑ 106↓ 860.1%
Half· 13.11 mi
8:56/mi
1:59:35
↑ 19↓ 370.5%
25K· 15.53 mi
11:52/mi
2:28:21
↑ 66↓ 880.2%
30K· 18.64 mi
11:05/mi
3:02:46
↑ 181↓ 1480.2%
20M
10:44/mi
3:17:21
↑ 64↓ 500.2%
21M
13:01/mi
3:30:22
↑ 106↓ 241.6%
35K· 21.75 mi
10:20/mi
3:38:06
↑ 17↓ 861.7%
23M
14:43/mi
3:56:31
↑ 23↓ 630.6%
24M
10:01/mi
4:06:32
↓ 821.3%
40K· 24.85 mi
10:29/mi
4:15:30
↓ 200.3%
25.2M
12:37/mi
4:19:51
↑ 13↓ 160.2%
Finish· 26.22 mi
9:37/mi
4:29:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:35
Pace9:07 /mi
2nd Half
Distance13.11 mi
Time2:30:04
Pace11:27 /mi
📊Positive Split: 25.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3825:358:1425:35
8:14
-
10K
6.21 mi11:48:2053:178:3527:42
8:55
+0:41
15K
9.32 mi12:16:501:21:478:4628:30
9:10
+0:15
20K
12.43 mi12:48:321:53:299:0831:42
10:12
+1:02
Half
13.11 mi12:54:381:59:359:076:06
8:56
-1:16
25K
15.53 mi13:23:242:28:219:3328:46
11:52
+2:56
30K
18.64 mi13:57:493:02:469:4834:25
11:05
-0:47
20M
20.00 mi14:12:243:17:219:5214:35
10:44
-0:21
21M
21.00 mi14:25:253:30:2210:0113:01
13:01
+2:17
35K
21.75 mi14:33:093:38:0610:027:44
10:20
-2:41
23M
23.00 mi14:51:343:56:3110:1718:25
14:43
+4:23
24M
24.00 mi15:01:354:06:3210:1610:01
10:01
-4:42
40K
24.85 mi15:10:334:15:3010:178:58
10:29
+0:28
25.2M
25.20 mi15:14:544:19:5110:194:21
12:37
+2:08
Finish
26.22 mi15:24:424:29:3910:189:48
9:37
-3:00

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

8:14 /mi

Average Pace

10:18 /mi

Slowest Pace

14:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:53

33% of race

Time at Steady Pace

1:57:13

43% of race

Time at Slower Pace

1:04:33

24% of race

Average Pace: 10:17 /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 mi11:20:3825:358:1425:35
8:14
#18343
10K
6.21 mi11:48:2053:178:3527:42
8:55
#20279
15K
9.32 mi12:16:501:21:478:4628:30
9:10
#21126
20K
12.43 mi12:48:321:53:299:0831:42
10:12
#22491
Half
13.11 mi12:54:381:59:359:076:06
8:56
#22434
25K
15.53 mi13:23:242:28:219:3328:46
11:52
#23562
30K
18.64 mi13:57:493:02:469:4834:25
11:05
#23688
20M
20.00 mi14:12:243:17:219:5214:35
10:44
#23633
21M
21.00 mi14:25:253:30:2210:0113:01
13:01
#23782
35K
21.75 mi14:33:093:38:0610:027:44
10:20
#23733
23M
23.00 mi14:51:343:56:3110:1718:25
14:43
#24208
24M
24.00 mi15:01:354:06:3210:1610:01
10:01
#24102
40K
24.85 mi15:10:334:15:3010:178:58
10:29
#24028
25.2M
25.20 mi15:14:544:19:5110:194:21
12:37
#24053
Finish
26.22 mi15:24:424:29:3910:189:48
9:37
#23981
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi183436553655322768(Top 80%)8984(Top 73%)8984(Top 689%)
10K6.21 mi3.10 mi20279-19367639-10867639-108622023(Top 78%)8612(Top 70%)8612(Top 661%)
15K9.32 mi3.11 mi21126-8478103-4648103-46422768(Top 80%)8984(Top 73%)8984(Top 689%)
20K12.43 mi3.11 mi22491-13658859-7568859-75624656(Top 87%)10080(Top 82%)10080(Top 774%)
Half13.11 mi0.68 mi22434+578832+278832+2721629(Top 76%)8398(Top 69%)8398(Top 645%)
25K15.53 mi2.42 mi23562-11289460-6289460-62826278(Top 93%)11014(Top 90%)11014(Top 845%)
30K18.64 mi3.11 mi23688-1269566-1069566-10624148(Top 85%)9946(Top 81%)9946(Top 763%)
20M20.00 mi1.36 mi23633+559562+49562+423035(Top 81%)9440(Top 77%)9440(Top 724%)
21M21.00 mi1.00 mi23782-1499649-879649-8725074(Top 88%)10602(Top 87%)10602(Top 814%)
35K21.75 mi0.75 mi23733+499632+179632+1722815(Top 80%)9451(Top 77%)9451(Top 725%)
23M23.00 mi1.25 mi24208-4759912-2809912-28027772(Top 98%)11987(Top 98%)11987(Top 920%)
24M24.00 mi1.00 mi24102+1069871+419871+4121436(Top 75%)8831(Top 72%)8831(Top 678%)
40K24.85 mi0.85 mi24028+749840+319840+3121916(Top 77%)9161(Top 75%)9161(Top 703%)
25.2M25.20 mi0.35 mi24053-259859-199859-1924435(Top 86%)10393(Top 85%)10393(Top 798%)
Finish26.22 mi1.02 mi23981+729831+289831+2821640(Top 76%)8987(Top 73%)8987(Top 690%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

22768

Females

8984

F50-54

8984

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

22023

Females

8612

F50-54

8612

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

22768

Females

8984

F50-54

8984

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

24656

Females

10080

F50-54

10080

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

21629

Females

8398

F50-54

8398

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

26278

Females

11014

F50-54

11014

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

24148

Females

9946

F50-54

9946

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

23035

Females

9440

F50-54

9440

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

25074

Females

10602

F50-54

10602

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

22815

Females

9451

F50-54

9451

35K→23M

21.8 - 23.0 mi

Top 98%
×5story building
+23ft-63ft

Overall

27772

Females

11987

F50-54

11987

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

21436

Females

8831

F50-54

8831

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21916

Females

9161

F50-54

9161

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24435

Females

10393

F50-54

10393

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

21640

Females

8987

F50-54

8987

Passing Analysis

Category:
Athletes Passed
739
Passed By
6377
Net Change
-5638
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18343
5K → 10K171953-1936#18343#20279
10K → 15K40887-847#20279#21126
15K → 20K191384-1365#21126#22491
20K → Half6710+57#22491#22434
Half → 25K71135-1128#22434#23562
25K → 30K106232-126#23562#23688
30K → 20M9338+55#23688#23633
20M → 21M36185-149#23633#23782
21M → 35K5910+49#23782#23733
35K → 23M9484-475#23733#24208
23M → 24M1137+106#24208#24102
24M → 40K817+74#24102#24028
40K → 25.2M1035-25#24028#24053
25.2M → Finish8210+72#24053#23981
TOTALS7396377-5638
📊

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