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BOSTON MARATHON 2025

Kayla Whitcomb

Bib: 13751•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 45%
Gender (Female)
#0 / 12228
Top 30%
Division (F18-39)
#0 / 5469
Top 48%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:33
Rank: #18262
Start → 5K
25:33 | 8:13/mi
10K· 6.21 mi
50:51
Rank: #17862 (+400)
5K → 10K
25:18 | 8:09/mi
15K· 9.32 mi
1:15:56
Rank: #17405 (+457)
10K → 15K
25:05 | 8:04/mi
20K· 12.43 mi
1:41:13
Rank: #16998 (+407)
15K → 20K
25:17 | 8:08/mi
Half· 13.11 mi
1:46:41
Rank: #16942 (+56)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:06:04
Rank: #16416 (+526)
Half → 25K
19:23 | 8:00/mi
30K· 18.64 mi
2:30:45
Rank: #15414 (+1002)
25K → 30K
24:41 | 7:57/mi
20M
2:41:28
Rank: #14926 (+488)
30K → 20M
10:43 | 7:53/mi
21M
2:49:27
Rank: #14421 (+505)
20M → 21M
7:59 | 7:59/mi
35K· 21.75 mi
2:55:01
Rank: #14174 (+247)
21M → 35K
5:34 | 7:26/mi
23M
3:04:35
Rank: #13716 (+458)
35K → 23M
9:34 | 7:38/mi
24M
3:12:06
Rank: #13423 (+293)
23M → 24M
7:31 | 7:31/mi
40K· 24.85 mi
3:18:36
Rank: #13197 (+226)
24M → 40K
6:30 | 7:36/mi
25.2M
3:21:29
Rank: #13101 (+96)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:28:45
Rank: #12831 (+270)
25.2M → Finish
7:16 | 7:08/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:46:41
Pace8:08 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:42:04
Pace7:47 /mi
📊Negative Split: 4.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:4425:338:1325:33
8:13
-
10K
6.21 mi11:23:0250:518:1125:18
8:09
-0:04
15K
9.32 mi11:48:071:15:568:0925:05
8:04
-0:05
20K
12.43 mi12:13:241:41:138:0925:17
8:08
+0:04
Half
13.11 mi12:18:521:46:418:085:28
8:01
-0:07
25K
15.53 mi12:38:152:06:048:0719:23
8:00
-0:01
30K
18.64 mi13:02:562:30:458:0524:41
7:57
-0:03
20M
20.00 mi13:13:392:41:288:0410:43
7:53
-0:04
21M
21.00 mi13:21:382:49:278:047:59
7:59
+0:06
35K
21.75 mi13:27:122:55:018:035:34
7:26
-0:33
23M
23.00 mi13:36:463:04:358:029:34
7:38
+0:12
24M
24.00 mi13:44:173:12:068:007:31
7:31
-0:07
40K
24.85 mi13:50:473:18:367:596:30
7:36
+0:05
25.2M
25.20 mi13:53:403:21:298:002:53
8:22
+0:46
Finish
26.22 mi14:00:563:28:457:587:16
7:08
-1:14

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

7:08 /mi

Average Pace

7:58 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

36:25

17% of race

Time at Steady Pace

2:52:20

83% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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 mi10:57:4425:338:1325:33
8:13
#18262
10K
6.21 mi11:23:0250:518:1125:18
8:09
#17862
15K
9.32 mi11:48:071:15:568:0925:05
8:04
#17405
20K
12.43 mi12:13:241:41:138:0925:17
8:08
#16998
Half
13.11 mi12:18:521:46:418:085:28
8:01
#16942
25K
15.53 mi12:38:152:06:048:0719:23
8:00
#16416
30K
18.64 mi13:02:562:30:458:0524:41
7:57
#15414
20M
20.00 mi13:13:392:41:288:0410:43
7:53
#14926
21M
21.00 mi13:21:382:49:278:047:59
7:59
#14421
35K
21.75 mi13:27:122:55:018:035:34
7:26
#14174
23M
23.00 mi13:36:463:04:358:029:34
7:38
#13716
24M
24.00 mi13:44:173:12:068:007:31
7:31
#13423
40K
24.85 mi13:50:473:18:367:596:30
7:36
#13197
25.2M
25.20 mi13:53:403:21:298:002:53
8:22
#13101
Finish
26.22 mi14:00:563:28:457:587:16
7:08
#12831
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi182626498649816574(Top 58%)5477(Top 45%)5477(Top 100%)
10K6.21 mi3.10 mi17862+4006244+2546244+25417496(Top 62%)5991(Top 49%)5991(Top 110%)
15K9.32 mi3.11 mi17405+4575954+2905954+29016574(Top 58%)5477(Top 45%)5477(Top 100%)
20K12.43 mi3.11 mi16998+4075737+2175737+21715904(Top 56%)5153(Top 42%)5153(Top 94%)
Half13.11 mi0.68 mi16942+565706+315706+3115989(Top 56%)5150(Top 42%)5150(Top 94%)
25K15.53 mi2.42 mi16416+5265414+2925414+29213848(Top 49%)4128(Top 34%)4128(Top 75%)
30K18.64 mi3.11 mi15414+10024897+5174897+51711008(Top 39%)2795(Top 23%)2795(Top 51%)
20M20.00 mi1.36 mi14926+4884652+2454652+2459671(Top 34%)2305(Top 19%)2305(Top 42%)
21M21.00 mi1.00 mi14421+5054390+2624390+2627302(Top 26%)1442(Top 12%)1442(Top 26%)
35K21.75 mi0.75 mi14174+2474280+1104280+1108286(Top 29%)1814(Top 15%)1814(Top 33%)
23M23.00 mi1.25 mi13716+4584066+2144066+2147560(Top 27%)1651(Top 14%)1651(Top 30%)
24M24.00 mi1.00 mi13423+2933935+1313935+1317884(Top 28%)1833(Top 15%)1833(Top 34%)
40K24.85 mi0.85 mi13197+2263835+1003835+1007491(Top 26%)1769(Top 14%)1769(Top 32%)
25.2M25.20 mi0.35 mi13101+963796+393796+398076(Top 28%)2134(Top 17%)2134(Top 39%)
Finish26.22 mi1.02 mi12831+2703668+1283668+1286631(Top 23%)1517(Top 12%)1517(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

16574

Females

5477

F18-39

5477

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

17496

Females

5991

F18-39

5991

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

16574

Females

5477

F18-39

5477

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

15904

Females

5153

F18-39

5153

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

15989

Females

5150

F18-39

5150

Half→25K

13.1 - 15.5 mi

Top 49%
×4stories
+66ft-88ft

Overall

13848

Females

4128

F18-39

4128

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

11008

Females

2795

F18-39

2795

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

9671

Females

2305

F18-39

2305

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

7302

Females

1442

F18-39

1442

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

8286

Females

1814

F18-39

1814

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7560

Females

1651

F18-39

1651

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7884

Females

1833

F18-39

1833

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7491

Females

1769

F18-39

1769

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

8076

Females

2134

F18-39

2134

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6631

Females

1517

F18-39

1517

Passing Analysis

Category:
Athletes Passed
5652
Passed By
221
Net Change
+5431
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18262
5K → 10K524124+400#18262#17862
10K → 15K50245+457#17862#17405
15K → 20K43124+407#17405#16998
20K → Half6610+56#16998#16942
Half → 25K5282+526#16942#16416
25K → 30K10020+1002#16416#15414
30K → 20M4880+488#15414#14926
20M → 21M5050+505#14926#14421
21M → 35K2503+247#14421#14174
35K → 23M4591+458#14174#13716
23M → 24M2985+293#13716#13423
24M → 40K2282+226#13423#13197
40K → 25.2M1004+96#13197#13101
25.2M → Finish2711+270#13101#12831
TOTALS5652221+5431
📊

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