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BOSTON MARATHON 2025

Ayla Killion

Bib: 27503•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:01
Rank: #23698
Start → 5K
29:01 | 9:20/mi
10K· 6.21 mi
57:49
Rank: #23589 (+109)
5K → 10K
28:48 | 9:16/mi
15K· 9.32 mi
1:26:38
Rank: #23425 (+164)
10K → 15K
28:49 | 9:17/mi
20K· 12.43 mi
1:56:58
Rank: #23511 (-86)
15K → 20K
30:20 | 9:46/mi
Half· 13.11 mi
2:03:27
Rank: #23510 (+1)
20K → Half
6:29 | 9:30/mi
25K· 15.53 mi
2:27:49
Rank: #23461 (+49)
Half → 25K
24:22 | 10:03/mi
30K· 18.64 mi
2:59:26
Rank: #23176 (+285)
25K → 30K
31:37 | 10:11/mi
20M
3:15:31
Rank: #23355 (-179)
30K → 20M
16:05 | 11:50/mi
21M
3:28:01
Rank: #23456 (-101)
20M → 21M
12:30 | 12:30/mi
35K· 21.75 mi
3:35:25
Rank: #23367 (+89)
21M → 35K
7:24 | 9:53/mi
23M
3:52:43
Rank: #23802 (-435)
35K → 23M
17:18 | 13:49/mi
24M
4:03:00
Rank: #23733 (+69)
23M → 24M
10:17 | 10:17/mi
40K· 24.85 mi
4:13:25
Rank: #23796 (-63)
24M → 40K
10:25 | 12:11/mi
25.2M
4:17:12
Rank: #23755 (+41)
40K → 25.2M
3:47 | 10:58/mi
Finish· 26.22 mi
4:27:30
Rank: #23764 (-9)
25.2M → Finish
10:18 | 10:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:27
Pace9:25 /mi
2nd Half
Distance13.11 mi
Time2:24:03
Pace10:59 /mi
📊Positive Split: 16.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:4529:019:2029:01
9:20
-
10K
6.21 mi12:15:3357:499:1828:48
9:16
-0:04
15K
9.32 mi12:44:221:26:389:1828:49
9:17
+0:01
20K
12.43 mi13:14:421:56:589:2530:20
9:46
+0:29
Half
13.11 mi13:21:112:03:279:256:29
9:30
-0:16
25K
15.53 mi13:45:332:27:499:3124:22
10:03
+0:33
30K
18.64 mi14:17:102:59:269:3831:37
10:11
+0:08
20M
20.00 mi14:33:153:15:319:4716:05
11:50
+1:39
21M
21.00 mi14:45:453:28:019:5412:30
12:30
+0:40
35K
21.75 mi14:53:093:35:259:547:24
9:53
-2:37
23M
23.00 mi15:10:273:52:4310:0717:18
13:49
+3:56
24M
24.00 mi15:20:444:03:0010:0810:17
10:17
-3:32
40K
24.85 mi15:31:094:13:2510:1210:25
12:11
+1:54
25.2M
25.20 mi15:34:564:17:1210:123:47
10:58
-1:13
Finish
26.22 mi15:45:144:27:3010:1310:18
10:06
-0:52

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

9:16 /mi

Average Pace

10:13 /mi

Slowest Pace

13:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:38

32% of race

Time at Steady Pace

2:00:47

45% of race

Time at Slower Pace

1:00:05

22% of race

Average Pace: 10:12 /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 mi11:46:4529:019:2029:01
9:20
#23698
10K
6.21 mi12:15:3357:499:1828:48
9:16
#23589
15K
9.32 mi12:44:221:26:389:1828:49
9:17
#23425
20K
12.43 mi13:14:421:56:589:2530:20
9:46
#23511
Half
13.11 mi13:21:112:03:279:256:29
9:30
#23510
25K
15.53 mi13:45:332:27:499:3124:22
10:03
#23461
30K
18.64 mi14:17:102:59:269:3831:37
10:11
#23176
20M
20.00 mi14:33:153:15:319:4716:05
11:50
#23355
21M
21.00 mi14:45:453:28:019:5412:30
12:30
#23456
35K
21.75 mi14:53:093:35:259:547:24
9:53
#23367
23M
23.00 mi15:10:273:52:4310:0717:18
13:49
#23802
24M
24.00 mi15:20:444:03:0010:0810:17
10:17
#23733
40K
24.85 mi15:31:094:13:2510:1210:25
12:11
#23796
25.2M
25.20 mi15:34:564:17:1210:123:47
10:58
#23755
Finish
26.22 mi15:45:144:27:3010:1310:18
10:06
#23764
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi236989532953223135(Top 81%)9175(Top 75%)9175(Top 168%)
10K6.21 mi3.10 mi23589+1099479+539479+5323436(Top 83%)9378(Top 77%)9378(Top 171%)
15K9.32 mi3.11 mi23425+1649367+1129367+11223135(Top 81%)9175(Top 75%)9175(Top 168%)
20K12.43 mi3.11 mi23511-869410-439410-4323672(Top 83%)9528(Top 78%)9528(Top 174%)
Half13.11 mi0.68 mi23510+19406+49406+423605(Top 83%)9492(Top 78%)9492(Top 174%)
25K15.53 mi2.42 mi23461+499391+159391+1523390(Top 82%)9419(Top 77%)9419(Top 172%)
30K18.64 mi3.11 mi23176+2859284+1079284+10722135(Top 78%)8841(Top 72%)8841(Top 162%)
20M20.00 mi1.36 mi23355-1799396-1129396-11225039(Top 88%)10494(Top 86%)10494(Top 192%)
21M21.00 mi1.00 mi23456-1019478-829478-8224411(Top 86%)10243(Top 84%)10243(Top 187%)
35K21.75 mi0.75 mi23367+899440+389440+3821624(Top 76%)8847(Top 72%)8847(Top 162%)
23M23.00 mi1.25 mi23802-4359693-2539693-25327174(Top 96%)11691(Top 96%)11691(Top 214%)
24M24.00 mi1.00 mi23733+699667+269667+2622217(Top 78%)9250(Top 76%)9250(Top 169%)
40K24.85 mi0.85 mi23796-639717-509717-5025220(Top 89%)10771(Top 88%)10771(Top 197%)
25.2M25.20 mi0.35 mi23755+419698+199698+1920608(Top 73%)8486(Top 69%)8486(Top 155%)
Finish26.22 mi1.02 mi23764-99712-149712-1423258(Top 82%)9800(Top 80%)9800(Top 179%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

23135

Females

9175

F18-39

9175

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

23436

Females

9378

F18-39

9378

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

23135

Females

9175

F18-39

9175

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

23672

Females

9528

F18-39

9528

20K→Half

12.4 - 13.1 mi

Top 83%
×2stories
+19ft-37ft

Overall

23605

Females

9492

F18-39

9492

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

23390

Females

9419

F18-39

9419

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

22135

Females

8841

F18-39

8841

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

25039

Females

10494

F18-39

10494

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

24411

Females

10243

F18-39

10243

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

21624

Females

8847

F18-39

8847

35K→23M

21.8 - 23.0 mi

Top 96%
×5stories
+23ft-63ft

Overall

27174

Females

11691

F18-39

11691

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

22217

Females

9250

F18-39

9250

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25220

Females

10771

F18-39

10771

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

20608

Females

8486

F18-39

8486

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

23258

Females

9800

F18-39

9800

Passing Analysis

Category:
Athletes Passed
1551
Passed By
1617
Net Change
-66
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23698
5K → 10K296187+109#23698#23589
10K → 15K26096+164#23589#23425
15K → 20K116202-86#23425#23511
20K → Half2423+1#23511#23510
Half → 25K155106+49#23510#23461
25K → 30K33247+285#23461#23176
30K → 20M36215-179#23176#23355
20M → 21M45146-101#23355#23456
21M → 35K967+89#23456#23367
35K → 23M16451-435#23367#23802
23M → 24M7910+69#23802#23733
24M → 40K2285-63#23733#23796
40K → 25.2M432+41#23796#23755
25.2M → Finish3140-9#23755#23764
TOTALS15511617-66
📊

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