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BOSTON MARATHON 2025

Heidi Bolong

Bib: 24992•F

WA

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
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:36
Rank: #24340
Start → 5K
29:36 | 9:32/mi
10K· 6.21 mi
59:40
Rank: #24463 (-123)
5K → 10K
30:04 | 9:41/mi
15K· 9.32 mi
1:30:04
Rank: #24479 (-16)
10K → 15K
30:24 | 9:47/mi
20K· 12.43 mi
2:02:22
Rank: #24639 (-160)
15K → 20K
32:18 | 10:24/mi
Half· 13.11 mi
2:08:49
Rank: #24591 (+48)
20K → Half
6:27 | 9:27/mi
25K· 15.53 mi
2:35:00
Rank: #24667 (-76)
Half → 25K
26:11 | 10:48/mi
30K· 18.64 mi
3:07:31
Rank: #24366 (+301)
25K → 30K
32:31 | 10:28/mi
20M
3:21:34
Rank: #24194 (+172)
30K → 20M
14:03 | 10:20/mi
21M
3:32:32
Rank: #24051 (+143)
20M → 21M
10:58 | 10:58/mi
35K· 21.75 mi
3:40:05
Rank: #23980 (+71)
21M → 35K
7:33 | 10:06/mi
23M
3:53:02
Rank: #23830 (+150)
35K → 23M
12:57 | 10:21/mi
24M
4:02:54
Rank: #23727 (+103)
23M → 24M
9:52 | 9:52/mi
40K· 24.85 mi
4:11:24
Rank: #23616 (+111)
24M → 40K
8:30 | 9:56/mi
25.2M
4:15:03
Rank: #23554 (+62)
40K → 25.2M
3:39 | 10:35/mi
Finish· 26.22 mi
4:24:09
Rank: #23410 (+144)
25.2M → Finish
9:06 | 8:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:49
Pace9:50 /mi
2nd Half
Distance13.11 mi
Time2:15:20
Pace10:19 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:0129:369:3229:36
9:32
-
10K
6.21 mi12:00:0559:409:3630:04
9:41
+0:09
15K
9.32 mi12:30:291:30:049:4030:24
9:47
+0:06
20K
12.43 mi13:02:472:02:229:5132:18
10:24
+0:37
Half
13.11 mi13:09:142:08:499:506:27
9:27
-0:57
25K
15.53 mi13:35:252:35:009:5926:11
10:48
+1:21
30K
18.64 mi14:07:563:07:3110:0432:31
10:28
-0:20
20M
20.00 mi14:21:593:21:3410:0514:03
10:20
-0:08
21M
21.00 mi14:32:573:32:3210:0710:58
10:58
+0:38
35K
21.75 mi14:40:303:40:0510:077:33
10:06
-0:52
23M
23.00 mi14:53:273:53:0210:0812:57
10:21
+0:15
24M
24.00 mi15:03:194:02:5410:079:52
9:52
-0:29
40K
24.85 mi15:11:494:11:2410:078:30
9:56
+0:04
25.2M
25.20 mi15:15:284:15:0310:073:39
10:35
+0:39
Finish
26.22 mi15:24:344:24:0910:059:06
8:56
-1:39

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

8:56 /mi

Average Pace

10:05 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:37

40% of race

Time at Steady Pace

52:55

20% of race

Time at Slower Pace

1:45:37

40% of race

Average Pace: 10:04 /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 mi11:30:0129:369:3229:36
9:32
#24340
10K
6.21 mi12:00:0559:409:3630:04
9:41
#24463
15K
9.32 mi12:30:291:30:049:4030:24
9:47
#24479
20K
12.43 mi13:02:472:02:229:5132:18
10:24
#24639
Half
13.11 mi13:09:142:08:499:506:27
9:27
#24591
25K
15.53 mi13:35:252:35:009:5926:11
10:48
#24667
30K
18.64 mi14:07:563:07:3110:0432:31
10:28
#24366
20M
20.00 mi14:21:593:21:3410:0514:03
10:20
#24194
21M
21.00 mi14:32:573:32:3210:0710:58
10:58
#24051
35K
21.75 mi14:40:303:40:0510:077:33
10:06
#23980
23M
23.00 mi14:53:273:53:0210:0812:57
10:21
#23830
24M
24.00 mi15:03:194:02:5410:079:52
9:52
#23727
40K
24.85 mi15:11:494:11:2410:078:30
9:56
#23616
25.2M
25.20 mi15:15:284:15:0310:073:39
10:35
#23554
Finish
26.22 mi15:24:344:24:0910:059:06
8:56
#23410
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi243409869986924517(Top 86%)9966(Top 82%)9966(Top 4489%)
10K6.21 mi3.10 mi24463-1239929-609929-6024559(Top 86%)9991(Top 82%)9991(Top 4500%)
15K9.32 mi3.11 mi24479-169947-189947-1824517(Top 86%)9966(Top 82%)9966(Top 4489%)
20K12.43 mi3.11 mi24639-16010038-9110038-9125018(Top 88%)10267(Top 84%)10267(Top 4625%)
Half13.11 mi0.68 mi24591+4810021+1710021+1723458(Top 83%)9410(Top 77%)9410(Top 4239%)
25K15.53 mi2.42 mi24667-7610068-4710068-4724904(Top 88%)10231(Top 84%)10231(Top 4609%)
30K18.64 mi3.11 mi24366+3019929+1399929+13922872(Top 81%)9250(Top 76%)9250(Top 4167%)
20M20.00 mi1.36 mi24194+1729859+709859+7021992(Top 77%)8889(Top 73%)8889(Top 4004%)
21M21.00 mi1.00 mi24051+1439795+649795+6421318(Top 75%)8612(Top 70%)8612(Top 3879%)
35K21.75 mi0.75 mi23980+719771+249771+2422178(Top 78%)9129(Top 75%)9129(Top 4112%)
23M23.00 mi1.25 mi23830+1509707+649707+6421572(Top 76%)8862(Top 72%)8862(Top 3992%)
24M24.00 mi1.00 mi23727+1039664+439664+4320976(Top 74%)8594(Top 70%)8594(Top 3871%)
40K24.85 mi0.85 mi23616+1119626+389626+3820304(Top 71%)8324(Top 68%)8324(Top 3750%)
25.2M25.20 mi0.35 mi23554+629601+259601+2519372(Top 68%)7860(Top 64%)7860(Top 3541%)
Finish26.22 mi1.02 mi23410+1449538+639538+6318722(Top 66%)7457(Top 61%)7457(Top 3359%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

24517

Females

9966

F65-69

9966

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

24559

Females

9991

F65-69

9991

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

24517

Females

9966

F65-69

9966

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

25018

Females

10267

F65-69

10267

20K→Half

12.4 - 13.1 mi

Top 83%
×2stories
+19ft-37ft

Overall

23458

Females

9410

F65-69

9410

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

24904

Females

10231

F65-69

10231

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

22872

Females

9250

F65-69

9250

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

21992

Females

8889

F65-69

8889

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

21318

Females

8612

F65-69

8612

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

22178

Females

9129

F65-69

9129

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

21572

Females

8862

F65-69

8862

23M→24M

23.0 - 24.0 mi

Top 74%
×6stories
+12ft-82ft

Overall

20976

Females

8594

F65-69

8594

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20304

Females

8324

F65-69

8324

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19372

Females

7860

F65-69

7860

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

18722

Females

7457

F65-69

7457

Passing Analysis

Category:
Athletes Passed
1836
Passed By
906
Net Change
+930
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24340
5K → 10K166289-123#24340#24463
10K → 15K133149-16#24463#24479
15K → 20K89249-160#24479#24639
20K → Half535+48#24639#24591
Half → 25K81157-76#24591#24667
25K → 30K31918+301#24667#24366
30K → 20M1786+172#24366#24194
20M → 21M15411+143#24194#24051
21M → 35K765+71#24051#23980
35K → 23M1544+150#23980#23830
23M → 24M1085+103#23830#23727
24M → 40K1143+111#23727#23616
40K → 25.2M664+62#23616#23554
25.2M → Finish1451+144#23554#23410
TOTALS1836906+930
📊

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