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BOSTON MARATHON 2025

Kerry Hamby

Bib: 17458•F

RI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 31%
Gender (Female)
#0 / 12228
Top 13%
Division (F18-39)
#0 / 5469
Top 24%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:57
Rank: #8364
Start → 5K
21:57 | 7:04/mi
10K· 6.21 mi
44:23
Rank: #8976 (-612)
5K → 10K
22:26 | 7:13/mi
15K· 9.32 mi
1:06:50
Rank: #9079 (-103)
10K → 15K
22:27 | 7:14/mi
20K· 12.43 mi
1:29:48
Rank: #9217 (-138)
15K → 20K
22:58 | 7:24/mi
Half· 13.11 mi
1:34:35
Rank: #9130 (+87)
20K → Half
4:47 | 7:01/mi
25K· 15.53 mi
1:52:07
Rank: #8834 (+296)
Half → 25K
17:32 | 7:14/mi
30K· 18.64 mi
2:15:42
Rank: #8673 (+161)
25K → 30K
23:35 | 7:35/mi
20M
2:26:07
Rank: #8576 (+97)
30K → 20M
10:25 | 7:40/mi
21M
2:34:29
Rank: #8606 (-30)
20M → 21M
8:22 | 8:22/mi
35K· 21.75 mi
2:40:05
Rank: #8573 (+33)
21M → 35K
5:36 | 7:29/mi
23M
2:50:23
Rank: #8719 (-146)
35K → 23M
10:18 | 8:14/mi
24M
2:58:05
Rank: #8703 (+16)
23M → 24M
7:42 | 7:42/mi
40K· 24.85 mi
3:05:01
Rank: #8754 (-51)
24M → 40K
6:56 | 8:07/mi
25.2M
3:08:01
Rank: #8755 (-1)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:15:30
Rank: #8714 (+41)
25.2M → Finish
7:29 | 7:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:35
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:40:55
Pace7:42 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:0621:577:0421:57
7:04
-
10K
6.21 mi11:34:3244:237:0922:26
7:13
+0:09
15K
9.32 mi11:56:591:06:507:1022:27
7:14
+0:01
20K
12.43 mi12:19:571:29:487:1422:58
7:24
+0:10
Half
13.11 mi12:24:441:34:357:134:47
7:01
-0:23
25K
15.53 mi12:42:161:52:077:1317:32
7:14
+0:13
30K
18.64 mi13:05:512:15:427:1723:35
7:35
+0:21
20M
20.00 mi13:16:162:26:077:1810:25
7:40
+0:05
21M
21.00 mi13:24:382:34:297:218:22
8:22
+0:42
35K
21.75 mi13:30:142:40:057:225:36
7:29
-0:53
23M
23.00 mi13:40:322:50:237:2410:18
8:14
+0:45
24M
24.00 mi13:48:142:58:057:257:42
7:42
-0:32
40K
24.85 mi13:55:103:05:017:276:56
8:07
+0:25
25.2M
25.20 mi13:58:103:08:017:283:00
8:42
+0:35
Finish
26.22 mi14:05:393:15:307:287:29
7:21
-1:21

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

7:01 /mi

Average Pace

7:28 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:09

46% of race

Time at Steady Pace

1:17:45

40% of race

Time at Slower Pace

28:36

15% of race

Average Pace: 7:27 /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 mi11:12:0621:577:0421:57
7:04
#8364
10K
6.21 mi11:34:3244:237:0922:26
7:13
#8976
15K
9.32 mi11:56:591:06:507:1022:27
7:14
#9079
20K
12.43 mi12:19:571:29:487:1422:58
7:24
#9217
Half
13.11 mi12:24:441:34:357:134:47
7:01
#9130
25K
15.53 mi12:42:161:52:077:1317:32
7:14
#8834
30K
18.64 mi13:05:512:15:427:1723:35
7:35
#8673
20M
20.00 mi13:16:162:26:077:1810:25
7:40
#8576
21M
21.00 mi13:24:382:34:297:218:22
8:22
#8606
35K
21.75 mi13:30:142:40:057:225:36
7:29
#8573
23M
23.00 mi13:40:322:50:237:2410:18
8:14
#8719
24M
24.00 mi13:48:142:58:057:257:42
7:42
#8703
40K
24.85 mi13:55:103:05:017:276:56
8:07
#8754
25.2M
25.20 mi13:58:103:08:017:283:00
8:42
#8755
Finish
26.22 mi14:05:393:15:307:287:29
7:21
#8714
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8364112111219348(Top 33%)1583(Top 13%)1583(Top 29%)
10K6.21 mi3.10 mi8976-6121375-2541375-2549679(Top 34%)1675(Top 14%)1675(Top 31%)
15K9.32 mi3.11 mi9079-1031429-541429-549348(Top 33%)1583(Top 13%)1583(Top 29%)
20K12.43 mi3.11 mi9217-1381513-841513-849849(Top 35%)1889(Top 15%)1889(Top 35%)
Half13.11 mi0.68 mi9130+871471+421471+427747(Top 27%)1008(Top 8%)1008(Top 18%)
25K15.53 mi2.42 mi8834+2961379+921379+927858(Top 28%)1167(Top 10%)1167(Top 21%)
30K18.64 mi3.11 mi8673+1611364+151364+158392(Top 30%)1551(Top 13%)1551(Top 28%)
20M20.00 mi1.36 mi8576+971370-61370-68153(Top 29%)1599(Top 13%)1599(Top 29%)
21M21.00 mi1.00 mi8606-301413-431413-439654(Top 34%)2441(Top 20%)2441(Top 45%)
35K21.75 mi0.75 mi8573+331421-81421-88546(Top 30%)1912(Top 16%)1912(Top 35%)
23M23.00 mi1.25 mi8719-1461521-1001521-10011537(Top 41%)3492(Top 29%)3492(Top 64%)
24M24.00 mi1.00 mi8703+161552-311552-319123(Top 32%)2379(Top 19%)2379(Top 43%)
40K24.85 mi0.85 mi8754-511616-641616-6410946(Top 39%)3363(Top 28%)3363(Top 61%)
25.2M25.20 mi0.35 mi8755-11628-121628-1210022(Top 35%)3009(Top 25%)3009(Top 55%)
Finish26.22 mi1.02 mi8714+411636-81636-88098(Top 29%)2106(Top 17%)2106(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

9348

Females

1583

F18-39

1583

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9679

Females

1675

F18-39

1675

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

9348

Females

1583

F18-39

1583

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

9849

Females

1889

F18-39

1889

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7747

Females

1008

F18-39

1008

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7858

Females

1167

F18-39

1167

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8392

Females

1551

F18-39

1551

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

8153

Females

1599

F18-39

1599

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9654

Females

2441

F18-39

2441

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

8546

Females

1912

F18-39

1912

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

11537

Females

3492

F18-39

3492

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

9123

Females

2379

F18-39

2379

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10946

Females

3363

F18-39

3363

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

10022

Females

3009

F18-39

3009

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

8098

Females

2106

F18-39

2106

Passing Analysis

Category:
Athletes Passed
1664
Passed By
2014
Net Change
-350
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8364
5K → 10K47659-612#8364#8976
10K → 15K130233-103#8976#9079
15K → 20K124262-138#9079#9217
20K → Half925+87#9217#9130
Half → 25K32024+296#9130#8834
25K → 30K283122+161#8834#8673
30K → 20M14346+97#8673#8576
20M → 21M83113-30#8576#8606
21M → 35K7643+33#8606#8573
35K → 23M83229-146#8573#8719
23M → 24M8367+16#8719#8703
24M → 40K72123-51#8703#8754
40K → 25.2M3738-1#8754#8755
25.2M → Finish9150+41#8755#8714
TOTALS16642014-350
📊

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