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BOSTON MARATHON 2025

Kelly Henson

Bib: 19605•F

KY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 41%
Gender (Female)
#0 / 12228
Top 25%
Division (F18-39)
#0 / 5469
Top 43%
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
7:45/mi
24:04
↑ 97↓ 3451.5%
10K· 6.21 mi
7:34/mi
47:35
↑ 79↓ 1380.4%
15K· 9.32 mi
7:33/mi
1:11:02
↑ 67↓ 78
20K· 12.43 mi
7:38/mi
1:34:45
↑ 106↓ 860.1%
Half· 13.11 mi
7:36/mi
1:39:56
↑ 19↓ 370.5%
25K· 15.53 mi
7:42/mi
1:58:37
↑ 66↓ 880.2%
30K· 18.64 mi
8:05/mi
2:23:43
↑ 181↓ 1480.2%
20M
8:05/mi
2:34:42
↑ 64↓ 500.2%
21M
8:50/mi
2:43:32
↑ 106↓ 241.6%
35K· 21.75 mi
7:55/mi
2:49:27
↑ 17↓ 861.7%
23M
8:11/mi
2:59:42
↑ 23↓ 630.6%
24M
8:04/mi
3:07:46
↓ 821.3%
40K· 24.85 mi
8:02/mi
3:14:38
↓ 200.3%
25.2M
8:19/mi
3:17:30
↑ 13↓ 160.2%
Finish· 26.22 mi
7:26/mi
3:25:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:56
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:45:09
Pace8:01 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2424:047:4524:04
7:45
-
10K
6.21 mi11:38:5547:357:3923:31
7:34
-0:11
15K
9.32 mi12:02:221:11:027:3723:27
7:33
-0:01
20K
12.43 mi12:26:051:34:457:3723:43
7:38
+0:05
Half
13.11 mi12:31:161:39:567:375:11
7:36
-0:02
25K
15.53 mi12:49:571:58:377:3818:41
7:42
+0:06
30K
18.64 mi13:15:032:23:437:4325:06
8:05
+0:23
20M
20.00 mi13:26:022:34:427:4410:59
8:05
0:00
21M
21.00 mi13:34:522:43:327:478:50
8:50
+0:45
35K
21.75 mi13:40:472:49:277:475:55
7:55
-0:55
23M
23.00 mi13:51:022:59:427:4910:15
8:11
+0:16
24M
24.00 mi13:59:063:07:467:498:04
8:04
-0:07
40K
24.85 mi14:05:583:14:387:506:52
8:02
-0:02
25.2M
25.20 mi14:08:503:17:307:502:52
8:19
+0:17
Finish
26.22 mi14:16:253:25:057:507:35
7:26
-0:53

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

7:26 /mi

Average Pace

7:50 /mi

Slowest Pace

8:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:08

89% of race

Time at Steady Pace

13:07

6% of race

Time at Slower Pace

8:50

4% of race

Average Pace: 7:49 /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 mi11:15:2424:047:4524:04
7:45
#14352
10K
6.21 mi11:38:5547:357:3923:31
7:34
#13578
15K
9.32 mi12:02:221:11:027:3723:27
7:33
#13054
20K
12.43 mi12:26:051:34:457:3723:43
7:38
#12701
Half
13.11 mi12:31:161:39:567:375:11
7:36
#12694
25K
15.53 mi12:49:571:58:377:3818:41
7:42
#12494
30K
18.64 mi13:15:032:23:437:4325:06
8:05
#12357
20M
20.00 mi13:26:022:34:427:4410:59
8:05
#12199
21M
21.00 mi13:34:522:43:327:478:50
8:50
#12200
35K
21.75 mi13:40:472:49:277:475:55
7:55
#12164
23M
23.00 mi13:51:022:59:427:4910:15
8:11
#12065
24M
24.00 mi13:59:063:07:467:498:04
8:04
#12040
40K
24.85 mi14:05:583:14:387:506:52
8:02
#11949
25.2M
25.20 mi14:08:503:17:307:502:52
8:19
#11871
Finish
26.22 mi14:16:253:25:057:507:35
7:26
#11707
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi143524127412712181(Top 43%)3008(Top 25%)3008(Top 55%)
10K6.21 mi3.10 mi13578+7743694+4333694+43312761(Top 45%)3233(Top 26%)3233(Top 59%)
15K9.32 mi3.11 mi13054+5243418+2763418+27612181(Top 43%)3008(Top 25%)3008(Top 55%)
20K12.43 mi3.11 mi12701+3533269+1493269+14911840(Top 42%)2913(Top 24%)2913(Top 53%)
Half13.11 mi0.68 mi12694+73271-23271-212591(Top 44%)3275(Top 27%)3275(Top 60%)
25K15.53 mi2.42 mi12494+2003187+843187+8411609(Top 41%)2913(Top 24%)2913(Top 53%)
30K18.64 mi3.11 mi12357+1373190-33190-311952(Top 42%)3267(Top 27%)3267(Top 60%)
20M20.00 mi1.36 mi12199+1583137+533137+5311001(Top 39%)2942(Top 24%)2942(Top 54%)
21M21.00 mi1.00 mi12200-13182-453182-4512520(Top 44%)3867(Top 32%)3867(Top 71%)
35K21.75 mi0.75 mi12164+363188-63188-611661(Top 41%)3463(Top 28%)3463(Top 63%)
23M23.00 mi1.25 mi12065+993167+213167+2111297(Top 40%)3376(Top 28%)3376(Top 62%)
24M24.00 mi1.00 mi12040+253194-273194-2711712(Top 41%)3665(Top 30%)3665(Top 67%)
40K24.85 mi0.85 mi11949+913189+53189+510455(Top 37%)3155(Top 26%)3155(Top 58%)
25.2M25.20 mi0.35 mi11871+783160+293160+297811(Top 27%)2000(Top 16%)2000(Top 37%)
Finish26.22 mi1.02 mi11707+1643111+493111+498819(Top 31%)2457(Top 20%)2457(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

12181

Females

3008

F18-39

3008

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

12761

Females

3233

F18-39

3233

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

12181

Females

3008

F18-39

3008

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11840

Females

2913

F18-39

2913

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

12591

Females

3275

F18-39

3275

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

11609

Females

2913

F18-39

2913

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11952

Females

3267

F18-39

3267

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

11001

Females

2942

F18-39

2942

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

12520

Females

3867

F18-39

3867

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

11661

Females

3463

F18-39

3463

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

11297

Females

3376

F18-39

3376

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

11712

Females

3665

F18-39

3665

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10455

Females

3155

F18-39

3155

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7811

Females

2000

F18-39

2000

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

8819

Females

2457

F18-39

2457

Passing Analysis

Category:
Athletes Passed
3374
Passed By
729
Net Change
+2645
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14352
5K → 10K82753+774#14352#13578
10K → 15K55632+524#13578#13054
15K → 20K40249+353#13054#12701
20K → Half3528+7#12701#12694
Half → 25K25252+200#12694#12494
25K → 30K298161+137#12494#12357
30K → 20M19335+158#12357#12199
20M → 21M107108-1#12199#12200
21M → 35K7943+36#12200#12164
35K → 23M15354+99#12164#12065
23M → 24M8863+25#12065#12040
24M → 40K12635+91#12040#11949
40K → 25.2M824+78#11949#11871
25.2M → Finish17612+164#11871#11707
TOTALS3374729+2645
📊

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