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BOSTON MARATHON 2025

Corinne Hamberger

Bib: 9907•F

MD

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 42%
Gender (Female)
#0 / 12228
Top 26%
Division (F18-39)
#0 / 5469
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:43
Rank: #13390
Start → 5K
23:43 | 7:38/mi
10K· 6.21 mi
47:23
Rank: #13275 (+115)
5K → 10K
23:40 | 7:37/mi
15K· 9.32 mi
1:10:40
Rank: #12708 (+567)
10K → 15K
23:17 | 7:30/mi
20K· 12.43 mi
1:34:20
Rank: #12416 (+292)
15K → 20K
23:40 | 7:37/mi
Half· 13.11 mi
1:39:27
Rank: #12377 (+39)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:58:07
Rank: #12215 (+162)
Half → 25K
18:40 | 7:42/mi
30K· 18.64 mi
2:22:49
Rank: #11923 (+292)
25K → 30K
24:42 | 7:57/mi
20M
2:33:56
Rank: #11882 (+41)
30K → 20M
11:07 | 8:11/mi
21M
2:42:19
Rank: #11727 (+155)
20M → 21M
8:23 | 8:23/mi
35K· 21.75 mi
2:48:12
Rank: #11701 (+26)
21M → 35K
5:53 | 7:52/mi
23M
2:58:14
Rank: #11554 (+147)
35K → 23M
10:02 | 8:01/mi
24M
3:06:10
Rank: #11466 (+88)
23M → 24M
7:56 | 7:56/mi
40K· 24.85 mi
3:13:14
Rank: #11477 (-11)
24M → 40K
7:04 | 8:16/mi
25.2M
3:16:55
Rank: #11668 (-191)
40K → 25.2M
3:41 | 10:41/mi
Finish· 26.22 mi
3:25:28
Rank: #11824 (-156)
25.2M → Finish
8:33 | 8:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:27
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:46:01
Pace8:05 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1323:437:3823:43
7:38
-
10K
6.21 mi11:17:5347:237:3823:40
7:37
-0:01
15K
9.32 mi11:41:101:10:407:3523:17
7:30
-0:07
20K
12.43 mi12:04:501:34:207:3523:40
7:37
+0:07
Half
13.11 mi12:09:571:39:277:355:07
7:30
-0:07
25K
15.53 mi12:28:371:58:077:3618:40
7:42
+0:12
30K
18.64 mi12:53:192:22:497:4024:42
7:57
+0:15
20M
20.00 mi13:04:262:33:567:4211:07
8:11
+0:14
21M
21.00 mi13:12:492:42:197:448:23
8:23
+0:12
35K
21.75 mi13:18:422:48:127:445:53
7:52
-0:31
23M
23.00 mi13:28:442:58:147:4510:02
8:01
+0:09
24M
24.00 mi13:36:403:06:107:457:56
7:56
-0:05
40K
24.85 mi13:43:443:13:147:467:04
8:16
+0:20
25.2M
25.20 mi13:47:253:16:557:493:41
10:41
+2:25
Finish
26.22 mi13:55:583:25:287:518:33
8:23
-2:18

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

7:30 /mi

Average Pace

7:51 /mi

Slowest Pace

10:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

28:24

14% of race

Time at Steady Pace

2:36:27

76% of race

Time at Slower Pace

20:37

10% of race

Average Pace: 7:50 /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 mi10:54:1323:437:3823:43
7:38
#13390
10K
6.21 mi11:17:5347:237:3823:40
7:37
#13275
15K
9.32 mi11:41:101:10:407:3523:17
7:30
#12708
20K
12.43 mi12:04:501:34:207:3523:40
7:37
#12416
Half
13.11 mi12:09:571:39:277:355:07
7:30
#12377
25K
15.53 mi12:28:371:58:077:3618:40
7:42
#12215
30K
18.64 mi12:53:192:22:497:4024:42
7:57
#11923
20M
20.00 mi13:04:262:33:567:4211:07
8:11
#11882
21M
21.00 mi13:12:492:42:197:448:23
8:23
#11727
35K
21.75 mi13:18:422:48:127:445:53
7:52
#11701
23M
23.00 mi13:28:442:58:147:4510:02
8:01
#11554
24M
24.00 mi13:36:403:06:107:457:56
7:56
#11466
40K
24.85 mi13:43:443:13:147:467:04
8:16
#11477
25.2M
25.20 mi13:47:253:16:557:493:41
10:41
#11668
Finish
26.22 mi13:55:583:25:287:518:33
8:23
#11824
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi133903540354011745(Top 41%)2766(Top 23%)2766(Top 51%)
10K6.21 mi3.10 mi13275+1153511+293511+2913199(Top 46%)3493(Top 29%)3493(Top 64%)
15K9.32 mi3.11 mi12708+5673209+3023209+30211745(Top 41%)2766(Top 23%)2766(Top 51%)
20K12.43 mi3.11 mi12416+2923096+1133096+11311738(Top 41%)2859(Top 23%)2859(Top 52%)
Half13.11 mi0.68 mi12377+393084+123084+1211785(Top 41%)2824(Top 23%)2824(Top 52%)
25K15.53 mi2.42 mi12215+1623028+563028+5611552(Top 41%)2881(Top 24%)2881(Top 53%)
30K18.64 mi3.11 mi11923+2922956+722956+7211048(Top 39%)2812(Top 23%)2812(Top 51%)
20M20.00 mi1.36 mi11882+412967-112967-1111700(Top 41%)3298(Top 27%)3298(Top 60%)
21M21.00 mi1.00 mi11727+1552924+432924+439782(Top 34%)2511(Top 21%)2511(Top 46%)
35K21.75 mi0.75 mi11701+262934-102934-1011334(Top 40%)3286(Top 27%)3286(Top 60%)
23M23.00 mi1.25 mi11554+1472908+262908+2610160(Top 36%)2827(Top 23%)2827(Top 52%)
24M24.00 mi1.00 mi11466+882898+102898+1010793(Top 38%)3192(Top 26%)3192(Top 58%)
40K24.85 mi0.85 mi11477-112943-452943-4511981(Top 42%)3902(Top 32%)3902(Top 71%)
25.2M25.20 mi0.35 mi11668-1913048-1053048-10519654(Top 69%)7965(Top 65%)7965(Top 146%)
Finish26.22 mi1.02 mi11824-1563168-1203168-12015508(Top 55%)5748(Top 47%)5748(Top 105%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21stories
+97ft-345ft

Overall

11745

Females

2766

F18-39

2766

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

13199

Females

3493

F18-39

3493

10K→15K

6.2 - 9.3 mi

Top 41%
×3stories
+67ft-78ft

Overall

11745

Females

2766

F18-39

2766

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

11738

Females

2859

F18-39

2859

20K→Half

12.4 - 13.1 mi

Top 41%
×2stories
+19ft-37ft

Overall

11785

Females

2824

F18-39

2824

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

11552

Females

2881

F18-39

2881

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

11048

Females

2812

F18-39

2812

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

11700

Females

3298

F18-39

3298

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9782

Females

2511

F18-39

2511

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

11334

Females

3286

F18-39

3286

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

10160

Females

2827

F18-39

2827

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10793

Females

3192

F18-39

3192

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11981

Females

3902

F18-39

3902

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19654

Females

7965

F18-39

7965

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

15508

Females

5748

F18-39

5748

Passing Analysis

Category:
Athletes Passed
2796
Passed By
1230
Net Change
+1566
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13390
5K → 10K342227+115#13390#13275
10K → 15K60235+567#13275#12708
15K → 20K35361+292#12708#12416
20K → Half5314+39#12416#12377
Half → 25K22967+162#12377#12215
25K → 30K38997+292#12215#11923
30K → 20M13897+41#11923#11882
20M → 21M18328+155#11882#11727
21M → 35K7044+26#11727#11701
35K → 23M18134+147#11701#11554
23M → 24M13244+88#11554#11466
24M → 40K7485-11#11466#11477
40K → 25.2M4195-191#11477#11668
25.2M → Finish46202-156#11668#11824
TOTALS27961230+1566
📊

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