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BOSTON MARATHON 2025

Rachel Keranen

Bib: 16252•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 40%
Gender (Female)
#0 / 12228
Top 24%
Division (F18-39)
#0 / 5469
Top 41%
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
7:30/mi
23:18
↑ 97↓ 3451.5%
10K· 6.21 mi
7:30/mi
46:35
↑ 79↓ 1380.4%
15K· 9.32 mi
7:32/mi
1:09:58
↑ 67↓ 78
20K· 12.43 mi
7:39/mi
1:33:43
↑ 106↓ 860.1%
Half· 13.11 mi
7:31/mi
1:38:51
↑ 19↓ 370.5%
25K· 15.53 mi
7:43/mi
1:57:34
↑ 66↓ 880.2%
30K· 18.64 mi
7:55/mi
2:22:09
↑ 181↓ 1480.2%
20M
8:04/mi
2:33:07
↑ 64↓ 500.2%
21M
8:50/mi
2:41:57
↑ 106↓ 241.6%
35K· 21.75 mi
7:48/mi
2:47:47
↑ 17↓ 861.7%
23M
7:56/mi
2:57:43
↑ 23↓ 630.6%
24M
7:59/mi
3:05:42
↓ 821.3%
40K· 24.85 mi
8:11/mi
3:12:42
↓ 200.3%
25.2M
9:14/mi
3:15:53
↑ 13↓ 160.2%
Finish· 26.22 mi
8:18/mi
3:24:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:51
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:45:29
Pace8:03 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:0523:187:3023:18
7:30
-
10K
6.21 mi11:20:2246:357:3023:17
7:30
0:00
15K
9.32 mi11:43:451:09:587:3023:23
7:32
+0:02
20K
12.43 mi12:07:301:33:437:3223:45
7:39
+0:07
Half
13.11 mi12:12:381:38:517:325:08
7:31
-0:08
25K
15.53 mi12:31:211:57:347:3418:43
7:43
+0:12
30K
18.64 mi12:55:562:22:097:3824:35
7:55
+0:12
20M
20.00 mi13:06:542:33:077:3910:58
8:04
+0:09
21M
21.00 mi13:15:442:41:577:438:50
8:50
+0:46
35K
21.75 mi13:21:342:47:477:435:50
7:48
-1:02
23M
23.00 mi13:31:302:57:437:449:56
7:56
+0:08
24M
24.00 mi13:39:293:05:427:447:59
7:59
+0:03
40K
24.85 mi13:46:293:12:427:457:00
8:11
+0:12
25.2M
25.20 mi13:49:403:15:537:463:11
9:14
+1:03
Finish
26.22 mi13:58:073:24:207:488:27
8:18
-0:56

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

7:48 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:51

48% of race

Time at Steady Pace

1:18:01

38% of race

Time at Slower Pace

27:28

13% of race

Average Pace: 7:48 /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 mi10:57:0523:187:3023:18
7:30
#12267
10K
6.21 mi11:20:2246:357:3023:17
7:30
#12110
15K
9.32 mi11:43:451:09:587:3023:23
7:32
#12046
20K
12.43 mi12:07:301:33:437:3223:45
7:39
#12009
Half
13.11 mi12:12:381:38:517:325:08
7:31
#11989
25K
15.53 mi12:31:211:57:347:3418:43
7:43
#11913
30K
18.64 mi12:55:562:22:097:3824:35
7:55
#11648
20M
20.00 mi13:06:542:33:077:3910:58
8:04
#11519
21M
21.00 mi13:15:442:41:577:438:50
8:50
#11588
35K
21.75 mi13:21:342:47:477:435:50
7:48
#11541
23M
23.00 mi13:31:302:57:437:449:56
7:56
#11361
24M
24.00 mi13:39:293:05:427:447:59
7:59
#11317
40K
24.85 mi13:46:293:12:427:457:00
8:11
#11294
25.2M
25.20 mi13:49:403:15:537:463:11
9:14
#11314
Finish
26.22 mi13:58:073:24:207:488:27
8:18
#11455
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi122672943294312015(Top 42%)2910(Top 24%)2910(Top 53%)
10K6.21 mi3.10 mi12110+1572867+762867+7612051(Top 42%)2844(Top 23%)2844(Top 52%)
15K9.32 mi3.11 mi12046+642865+22865+212015(Top 42%)2910(Top 24%)2910(Top 53%)
20K12.43 mi3.11 mi12009+372874-92874-911923(Top 42%)2958(Top 24%)2958(Top 54%)
Half13.11 mi0.68 mi11989+202870+42870+411988(Top 42%)2938(Top 24%)2938(Top 54%)
25K15.53 mi2.42 mi11913+762878-82878-811716(Top 41%)2975(Top 24%)2975(Top 54%)
30K18.64 mi3.11 mi11648+2652809+692809+6910754(Top 38%)2668(Top 22%)2668(Top 49%)
20M20.00 mi1.36 mi11519+1292784+252784+2510915(Top 38%)2902(Top 24%)2902(Top 53%)
21M21.00 mi1.00 mi11588-692862-782862-7812516(Top 44%)3863(Top 32%)3863(Top 71%)
35K21.75 mi0.75 mi11541+472860+22860+210846(Top 38%)3029(Top 25%)3029(Top 55%)
23M23.00 mi1.25 mi11361+1802814+462814+469568(Top 34%)2534(Top 21%)2534(Top 46%)
24M24.00 mi1.00 mi11317+442827-132827-1311138(Top 39%)3370(Top 28%)3370(Top 62%)
40K24.85 mi0.85 mi11294+232844-172844-1711498(Top 40%)3650(Top 30%)3650(Top 67%)
25.2M25.20 mi0.35 mi11314-202884-402884-4013113(Top 46%)4532(Top 37%)4532(Top 83%)
Finish26.22 mi1.02 mi11455-1412984-1002984-10014864(Top 52%)5392(Top 44%)5392(Top 99%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

12015

Females

2910

F18-39

2910

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

12051

Females

2844

F18-39

2844

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

12015

Females

2910

F18-39

2910

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11923

Females

2958

F18-39

2958

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11988

Females

2938

F18-39

2938

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

11716

Females

2975

F18-39

2975

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

10754

Females

2668

F18-39

2668

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10915

Females

2902

F18-39

2902

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

12516

Females

3863

F18-39

3863

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10846

Females

3029

F18-39

3029

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9568

Females

2534

F18-39

2534

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

11138

Females

3370

F18-39

3370

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11498

Females

3650

F18-39

3650

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

13113

Females

4532

F18-39

4532

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

14864

Females

5392

F18-39

5392

Passing Analysis

Category:
Athletes Passed
2161
Passed By
1349
Net Change
+812
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12267
5K → 10K334177+157#12267#12110
10K → 15K222158+64#12110#12046
15K → 20K206169+37#12046#12009
20K → Half4828+20#12009#11989
Half → 25K197121+76#11989#11913
25K → 30K35388+265#11913#11648
30K → 20M17243+129#11648#11519
20M → 21M87156-69#11519#11588
21M → 35K7528+47#11588#11541
35K → 23M21131+180#11541#11361
23M → 24M10662+44#11361#11317
24M → 40K8158+23#11317#11294
40K → 25.2M3353-20#11294#11314
25.2M → Finish36177-141#11314#11455
TOTALS21611349+812
📊

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