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BOSTON MARATHON 2025

Penelope Mills

Bib: 31105•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
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
9:12/mi
28:34
↑ 97↓ 3451.5%
10K· 6.21 mi
8:43/mi
55:40
↑ 79↓ 1380.4%
15K· 9.32 mi
9:16/mi
1:24:28
↑ 67↓ 78
20K· 12.43 mi
9:42/mi
1:54:35
↑ 106↓ 860.1%
Half· 13.11 mi
9:11/mi
2:00:51
↑ 19↓ 370.5%
25K· 15.53 mi
10:20/mi
2:25:55
↑ 66↓ 880.2%
30K· 18.64 mi
10:47/mi
2:59:25
↑ 181↓ 1480.2%
20M
10:58/mi
3:14:19
↑ 64↓ 500.2%
21M
12:25/mi
3:26:44
↑ 106↓ 241.6%
35K· 21.75 mi
10:46/mi
3:34:47
↑ 17↓ 861.7%
23M
11:46/mi
3:49:31
↑ 23↓ 630.6%
24M
11:08/mi
4:00:39
↓ 821.3%
40K· 24.85 mi
11:53/mi
4:10:49
↓ 200.3%
25.2M
13:32/mi
4:15:29
↑ 13↓ 160.2%
Finish· 26.22 mi
10:29/mi
4:26:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:51
Pace9:13 /mi
2nd Half
Distance13.11 mi
Time2:25:19
Pace11:05 /mi
📊Positive Split: 20.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:5528:349:1228:34
9:12
-
10K
6.21 mi12:17:0155:408:5827:06
8:43
-0:29
15K
9.32 mi12:45:491:24:289:0428:48
9:16
+0:33
20K
12.43 mi13:15:561:54:359:1330:07
9:42
+0:26
Half
13.11 mi13:22:122:00:519:136:16
9:11
-0:31
25K
15.53 mi13:47:162:25:559:2425:04
10:20
+1:09
30K
18.64 mi14:20:462:59:259:3733:30
10:47
+0:27
20M
20.00 mi14:35:403:14:199:4314:54
10:58
+0:11
21M
21.00 mi14:48:053:26:449:5112:25
12:25
+1:27
35K
21.75 mi14:56:083:34:479:538:03
10:46
-1:39
23M
23.00 mi15:10:523:49:319:5914:44
11:46
+1:00
24M
24.00 mi15:22:004:00:3910:0211:08
11:08
-0:38
40K
24.85 mi15:32:104:10:4910:0510:10
11:53
+0:45
25.2M
25.20 mi15:36:504:15:2910:084:40
13:32
+1:39
Finish
26.22 mi15:47:314:26:1010:1010:41
10:29
-3:03

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

8:43 /mi

Average Pace

10:10 /mi

Slowest Pace

13:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:51

45% of race

Time at Steady Pace

1:43:20

39% of race

Time at Slower Pace

41:59

16% of race

Average Pace: 10:09 /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 mi11:49:5528:349:1228:34
9:12
#23225
10K
6.21 mi12:17:0155:408:5827:06
8:43
#22259
15K
9.32 mi12:45:491:24:289:0428:48
9:16
#22554
20K
12.43 mi13:15:561:54:359:1330:07
9:42
#22873
Half
13.11 mi13:22:122:00:519:136:16
9:11
#22860
25K
15.53 mi13:47:162:25:559:2425:04
10:20
#23103
30K
18.64 mi14:20:462:59:259:3733:30
10:47
#23173
20M
20.00 mi14:35:403:14:199:4314:54
10:58
#23200
21M
21.00 mi14:48:053:26:449:5112:25
12:25
#23277
35K
21.75 mi14:56:083:34:479:538:03
10:46
#23297
23M
23.00 mi15:10:523:49:319:5914:44
11:46
#23415
24M
24.00 mi15:22:004:00:3910:0211:08
11:08
#23453
40K
24.85 mi15:32:104:10:4910:0510:10
11:53
#23544
25.2M
25.20 mi15:36:504:15:2910:084:40
13:32
#23612
Finish
26.22 mi15:47:314:26:1010:1010:41
10:29
#23621
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi232259289928923122(Top 81%)9167(Top 75%)9167(Top 922%)
10K6.21 mi3.10 mi22259+9668760+5298760+52921021(Top 74%)8030(Top 66%)8030(Top 808%)
15K9.32 mi3.11 mi22554-2958885-1258885-12523122(Top 81%)9167(Top 75%)9167(Top 922%)
20K12.43 mi3.11 mi22873-3199052-1679052-16723471(Top 83%)9407(Top 77%)9407(Top 946%)
Half13.11 mi0.68 mi22860+139047+59047+522582(Top 80%)8933(Top 73%)8933(Top 899%)
25K15.53 mi2.42 mi23103-2439197-1509197-15024050(Top 85%)9768(Top 80%)9768(Top 983%)
30K18.64 mi3.11 mi23173-709283-869283-8623571(Top 83%)9641(Top 79%)9641(Top 970%)
20M20.00 mi1.36 mi23200-279312-299312-2923520(Top 83%)9694(Top 79%)9694(Top 975%)
21M21.00 mi1.00 mi23277-779378-669378-6624288(Top 86%)10174(Top 83%)10174(Top 1024%)
35K21.75 mi0.75 mi23297-209403-259403-2523734(Top 84%)9911(Top 81%)9911(Top 997%)
23M23.00 mi1.25 mi23415-1189483-809483-8024711(Top 87%)10452(Top 85%)10452(Top 1052%)
24M24.00 mi1.00 mi23453-389515-329515-3224267(Top 85%)10252(Top 84%)10252(Top 1031%)
40K24.85 mi0.85 mi23544-919586-719586-7124750(Top 87%)10549(Top 86%)10549(Top 1061%)
25.2M25.20 mi0.35 mi23612-689629-439629-4325741(Top 91%)11058(Top 90%)11058(Top 1112%)
Finish26.22 mi1.02 mi23621-99652-239652-2324254(Top 85%)10290(Top 84%)10290(Top 1035%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

23122

Females

9167

F55-59

9167

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

21021

Females

8030

F55-59

8030

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

23122

Females

9167

F55-59

9167

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

23471

Females

9407

F55-59

9407

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

22582

Females

8933

F55-59

8933

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

24050

Females

9768

F55-59

9768

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

23571

Females

9641

F55-59

9641

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

23520

Females

9694

F55-59

9694

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

24288

Females

10174

F55-59

10174

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

23734

Females

9911

F55-59

9911

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

24711

Females

10452

F55-59

10452

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

24267

Females

10252

F55-59

10252

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24750

Females

10549

F55-59

10549

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

25741

Females

11058

F55-59

11058

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

24254

Females

10290

F55-59

10290

Passing Analysis

Category:
Athletes Passed
1701
Passed By
2097
Net Change
-396
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23225
5K → 10K98519+966#23225#22259
10K → 15K96391-295#22259#22554
15K → 20K95414-319#22554#22873
20K → Half3118+13#22873#22860
Half → 25K71314-243#22860#23103
25K → 30K151221-70#23103#23173
30K → 20M6491-27#23173#23200
20M → 21M42119-77#23200#23277
21M → 35K3252-20#23277#23297
35K → 23M35153-118#23297#23415
23M → 24M3169-38#23415#23453
24M → 40K18109-91#23453#23544
40K → 25.2M573-68#23544#23612
25.2M → Finish4554-9#23612#23621
TOTALS17012097-396
📊

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