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BOSTON MARATHON 2025

Heidi Pennington

Bib: 32385•F

GA

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

Start
0:00:00
Race begins
5K· 3.11 mi
29:03
Rank: #23745
Start → 5K
29:03 | 9:21/mi
10K· 6.21 mi
58:57
Rank: #24145 (-400)
5K → 10K
29:54 | 9:37/mi
15K· 9.32 mi
1:28:58
Rank: #24161 (-16)
10K → 15K
30:01 | 9:40/mi
20K· 12.43 mi
1:59:12
Rank: #23986 (+175)
15K → 20K
30:14 | 9:44/mi
Half· 13.11 mi
2:05:50
Rank: #24002 (-16)
20K → Half
6:38 | 9:43/mi
25K· 15.53 mi
2:29:50
Rank: #23827 (+175)
Half → 25K
24:00 | 9:54/mi
30K· 18.64 mi
3:01:45
Rank: #23529 (+298)
25K → 30K
31:55 | 10:16/mi
20M
3:15:54
Rank: #23418 (+111)
30K → 20M
14:09 | 10:25/mi
21M
3:26:45
Rank: #23279 (+139)
20M → 21M
10:51 | 10:51/mi
35K· 21.75 mi
3:34:30
Rank: #23264 (+15)
21M → 35K
7:45 | 10:22/mi
23M
3:47:46
Rank: #23211 (+53)
35K → 23M
13:16 | 10:36/mi
24M
3:58:29
Rank: #23205 (+6)
23M → 24M
10:43 | 10:43/mi
40K· 24.85 mi
4:07:24
Rank: #23133 (+72)
24M → 40K
8:55 | 10:26/mi
25.2M
4:11:08
Rank: #23100 (+33)
40K → 25.2M
3:44 | 10:50/mi
Finish· 26.22 mi
4:21:07
Rank: #23075 (+25)
25.2M → Finish
9:59 | 9:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:50
Pace9:36 /mi
2nd Half
Distance13.11 mi
Time2:15:17
Pace10:19 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:2229:039:2129:03
9:21
-
10K
6.21 mi12:24:1658:579:2929:54
9:37
+0:16
15K
9.32 mi12:54:171:28:589:3330:01
9:40
+0:03
20K
12.43 mi13:24:311:59:129:3630:14
9:44
+0:04
Half
13.11 mi13:31:092:05:509:366:38
9:43
-0:01
25K
15.53 mi13:55:092:29:509:3924:00
9:54
+0:11
30K
18.64 mi14:27:043:01:459:4531:55
10:16
+0:22
20M
20.00 mi14:41:133:15:549:4814:09
10:25
+0:09
21M
21.00 mi14:52:043:26:459:5110:51
10:51
+0:26
35K
21.75 mi14:59:493:34:309:527:45
10:22
-0:29
23M
23.00 mi15:13:053:47:469:5413:16
10:36
+0:14
24M
24.00 mi15:23:483:58:299:5610:43
10:43
+0:07
40K
24.85 mi15:32:434:07:249:578:55
10:26
-0:17
25.2M
25.20 mi15:36:274:11:089:583:44
10:50
+0:24
Finish
26.22 mi15:46:264:21:079:589:59
9:48
-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

9:21 /mi

Average Pace

9:58 /mi

Slowest Pace

10:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:44

73% of race

Time at Steady Pace

1:09:23

27% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:58 /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 mi11:54:2229:039:2129:03
9:21
#23745
10K
6.21 mi12:24:1658:579:2929:54
9:37
#24145
15K
9.32 mi12:54:171:28:589:3330:01
9:40
#24161
20K
12.43 mi13:24:311:59:129:3630:14
9:44
#23986
Half
13.11 mi13:31:092:05:509:366:38
9:43
#24002
25K
15.53 mi13:55:092:29:509:3924:00
9:54
#23827
30K
18.64 mi14:27:043:01:459:4531:55
10:16
#23529
20M
20.00 mi14:41:133:15:549:4814:09
10:25
#23418
21M
21.00 mi14:52:043:26:459:5110:51
10:51
#23279
35K
21.75 mi14:59:493:34:309:527:45
10:22
#23264
23M
23.00 mi15:13:053:47:469:5413:16
10:36
#23211
24M
24.00 mi15:23:483:58:299:5610:43
10:43
#23205
40K
24.85 mi15:32:434:07:249:578:55
10:26
#23133
25.2M
25.20 mi15:36:274:11:089:583:44
10:50
#23100
Finish
26.22 mi15:46:264:21:079:589:59
9:48
#23075
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi237459556955624175(Top 85%)9768(Top 80%)9768(Top 983%)
10K6.21 mi3.10 mi24145-4009764-2089764-20824423(Top 86%)9927(Top 81%)9927(Top 999%)
15K9.32 mi3.11 mi24161-169762+29762+224175(Top 85%)9768(Top 80%)9768(Top 983%)
20K12.43 mi3.11 mi23986+1759684+789684+7823584(Top 83%)9470(Top 77%)9470(Top 953%)
Half13.11 mi0.68 mi24002-169697-139697-1324178(Top 85%)9798(Top 80%)9798(Top 986%)
25K15.53 mi2.42 mi23827+1759600+979600+9723008(Top 81%)9197(Top 75%)9197(Top 925%)
30K18.64 mi3.11 mi23529+2989471+1299471+12922376(Top 79%)8985(Top 73%)8985(Top 904%)
20M20.00 mi1.36 mi23418+1119425+469425+4622198(Top 78%)9013(Top 74%)9013(Top 907%)
21M21.00 mi1.00 mi23279+1399379+469379+4620998(Top 74%)8454(Top 69%)8454(Top 851%)
35K21.75 mi0.75 mi23264+159383-49383-422859(Top 80%)9472(Top 77%)9472(Top 953%)
23M23.00 mi1.25 mi23211+539384-19384-122269(Top 78%)9211(Top 75%)9211(Top 927%)
24M24.00 mi1.00 mi23205+69401-179401-1723369(Top 82%)9813(Top 80%)9813(Top 987%)
40K24.85 mi0.85 mi23133+729378+239378+2321739(Top 77%)9064(Top 74%)9064(Top 912%)
25.2M25.20 mi0.35 mi23100+339364+149364+1420175(Top 71%)8265(Top 68%)8265(Top 831%)
Finish26.22 mi1.02 mi23075+259361+39361+322284(Top 78%)9317(Top 76%)9317(Top 937%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

24175

Females

9768

F55-59

9768

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

24423

Females

9927

F55-59

9927

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

24175

Females

9768

F55-59

9768

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

23584

Females

9470

F55-59

9470

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

24178

Females

9798

F55-59

9798

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

23008

Females

9197

F55-59

9197

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

22376

Females

8985

F55-59

8985

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

22198

Females

9013

F55-59

9013

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

20998

Females

8454

F55-59

8454

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22859

Females

9472

F55-59

9472

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

22269

Females

9211

F55-59

9211

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

23369

Females

9813

F55-59

9813

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21739

Females

9064

F55-59

9064

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20175

Females

8265

F55-59

8265

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

22284

Females

9317

F55-59

9317

Passing Analysis

Category:
Athletes Passed
1679
Passed By
1009
Net Change
+670
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23745
5K → 10K102502-400#23745#24145
10K → 15K140156-16#24145#24161
15K → 20K22853+175#24161#23986
20K → Half2238-16#23986#24002
Half → 25K21237+175#24002#23827
25K → 30K33032+298#23827#23529
30K → 20M13322+111#23529#23418
20M → 21M15314+139#23418#23279
21M → 35K4631+15#23279#23264
35K → 23M9643+53#23264#23211
23M → 24M5145+6#23211#23205
24M → 40K8210+72#23205#23133
40K → 25.2M352+33#23133#23100
25.2M → Finish4924+25#23100#23075
TOTALS16791009+670
📊

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