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BOSTON MARATHON 2025

Kacey Kell

Bib: 26894•F

CO

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
36:38
Rank: #28181
Start → 5K
36:38 | 11:47/mi
10K· 6.21 mi
1:14:00
Rank: #28085 (+96)
5K → 10K
37:22 | 12:02/mi
15K· 9.32 mi
1:52:25
Rank: #28026 (+59)
10K → 15K
38:25 | 12:22/mi
20K· 12.43 mi
2:32:47
Rank: #27999 (+27)
15K → 20K
40:22 | 13:00/mi
Half· 13.11 mi
2:41:37
Rank: #27998 (+1)
20K → Half
8:50 | 12:57/mi
25K· 15.53 mi
3:15:38
Rank: #28011 (-13)
Half → 25K
34:01 | 14:02/mi
30K· 18.64 mi
4:01:13
Rank: #28024 (-13)
25K → 30K
45:35 | 14:40/mi
20M
4:21:40
Rank: #28052 (-28)
30K → 20M
20:27 | 15:03/mi
21M
4:37:56
Rank: #28059 (-7)
20M → 21M
16:16 | 16:16/mi
35K· 21.75 mi
4:48:07
Rank: #28053 (+6)
21M → 35K
10:11 | 13:37/mi
23M
5:05:59
Rank: #28043 (+10)
35K → 23M
17:52 | 14:16/mi
24M
5:20:55
Rank: #28071 (-28)
23M → 24M
14:56 | 14:56/mi
40K· 24.85 mi
5:33:46
Rank: #28081 (-10)
24M → 40K
12:51 | 15:02/mi
25.2M
5:39:17
Rank: #28080 (+1)
40K → 25.2M
5:31 | 16:00/mi
Finish· 26.22 mi
5:54:02
Rank: #28094 (-14)
25.2M → Finish
14:45 | 14:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:41:37
Pace12:20 /mi
2nd Half
Distance13.11 mi
Time3:12:25
Pace14:41 /mi
📊Positive Split: 19.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:1136:3811:4736:38
11:47
-
10K
6.21 mi12:31:331:14:0011:5537:22
12:02
+0:15
15K
9.32 mi13:09:581:52:2512:0438:25
12:22
+0:20
20K
12.43 mi13:50:202:32:4712:1840:22
13:00
+0:38
Half
13.11 mi13:59:102:41:3712:208:50
12:57
-0:03
25K
15.53 mi14:33:113:15:3812:3634:01
14:02
+1:05
30K
18.64 mi15:18:464:01:1312:5645:35
14:40
+0:38
20M
20.00 mi15:39:134:21:4013:0520:27
15:03
+0:23
21M
21.00 mi15:55:294:37:5613:1416:16
16:16
+1:13
35K
21.75 mi16:05:404:48:0713:1510:11
13:37
-2:39
23M
23.00 mi16:23:325:05:5913:1817:52
14:16
+0:39
24M
24.00 mi16:38:285:20:5513:2214:56
14:56
+0:40
40K
24.85 mi16:51:195:33:4613:2612:51
15:02
+0:06
25.2M
25.20 mi16:56:505:39:1713:285:31
16:00
+0:58
Finish
26.22 mi17:11:355:54:0213:3114:45
14:28
-1:32

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

11:47 /mi

Average Pace

13:31 /mi

Slowest Pace

16:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:37

46% of race

Time at Steady Pace

2:02:24

35% of race

Time at Slower Pace

1:10:01

20% of race

Average Pace: 13:30 /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 mi11:54:1136:3811:4736:38
11:47
#28181
10K
6.21 mi12:31:331:14:0011:5537:22
12:02
#28085
15K
9.32 mi13:09:581:52:2512:0438:25
12:22
#28026
20K
12.43 mi13:50:202:32:4712:1840:22
13:00
#27999
Half
13.11 mi13:59:102:41:3712:208:50
12:57
#27998
25K
15.53 mi14:33:113:15:3812:3634:01
14:02
#28011
30K
18.64 mi15:18:464:01:1312:5645:35
14:40
#28024
20M
20.00 mi15:39:134:21:4013:0520:27
15:03
#28052
21M
21.00 mi15:55:294:37:5613:1416:16
16:16
#28059
35K
21.75 mi16:05:404:48:0713:1510:11
13:37
#28053
23M
23.00 mi16:23:325:05:5913:1817:52
14:16
#28043
24M
24.00 mi16:38:285:20:5513:2214:56
14:56
#28071
40K
24.85 mi16:51:195:33:4613:2612:51
15:02
#28081
25.2M
25.20 mi16:56:505:39:1713:285:31
16:00
#28080
Finish
26.22 mi17:11:355:54:0213:3114:45
14:28
#28094
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi28181120811208127860(Top 98%)11891(Top 97%)11891(Top 217%)
10K6.21 mi3.10 mi28085+9612023+5812023+5827953(Top 98%)11947(Top 98%)11947(Top 218%)
15K9.32 mi3.11 mi28026+5911982+4111982+4127860(Top 98%)11891(Top 97%)11891(Top 217%)
20K12.43 mi3.11 mi27999+2711976+611976+627823(Top 98%)11885(Top 97%)11885(Top 217%)
Half13.11 mi0.68 mi27998+111977-111977-127981(Top 99%)11995(Top 98%)11995(Top 219%)
25K15.53 mi2.42 mi28011-1311985-811985-827895(Top 98%)11948(Top 98%)11948(Top 218%)
30K18.64 mi3.11 mi28024-1312003-1812003-1827886(Top 98%)11993(Top 98%)11993(Top 219%)
20M20.00 mi1.36 mi28052-2812023-2012023-2027887(Top 98%)12001(Top 98%)12001(Top 219%)
21M21.00 mi1.00 mi28059-712028-512028-527924(Top 98%)12019(Top 98%)12019(Top 220%)
35K21.75 mi0.75 mi28053+612024+412024+427436(Top 97%)11818(Top 97%)11818(Top 216%)
23M23.00 mi1.25 mi28043+1012028-412028-427517(Top 97%)11867(Top 97%)11867(Top 217%)
24M24.00 mi1.00 mi28071-2812050-2212050-2228037(Top 99%)12111(Top 99%)12111(Top 221%)
40K24.85 mi0.85 mi28081-1012058-812058-827771(Top 98%)11999(Top 98%)11999(Top 219%)
25.2M25.20 mi0.35 mi28080+112060-212060-227699(Top 98%)11982(Top 98%)11982(Top 219%)
Finish26.22 mi1.02 mi28094-1412071-1112071-1128165(Top 99%)12149(Top 99%)12149(Top 222%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21stories
+97ft-345ft

Overall

27860

Females

11891

F18-39

11891

5K→10K

3.1 - 6.2 mi

Top 98%
×5stories
+79ft-138ft

Overall

27953

Females

11947

F18-39

11947

10K→15K

6.2 - 9.3 mi

Top 98%
×3stories
+67ft-78ft

Overall

27860

Females

11891

F18-39

11891

15K→20K

9.3 - 12.4 mi

Top 98%
×5stories
+106ft-86ft

Overall

27823

Females

11885

F18-39

11885

20K→Half

12.4 - 13.1 mi

Top 99%
×2stories
+19ft-37ft

Overall

27981

Females

11995

F18-39

11995

Half→25K

13.1 - 15.5 mi

Top 98%
×4stories
+66ft-88ft

Overall

27895

Females

11948

F18-39

11948

25K→30K

15.5 - 18.6 mi

Top 98%
×9stories
+181ft-148ft

Overall

27886

Females

11993

F18-39

11993

30K→20M

18.6 - 20.0 mi

Top 98%
×5stories
+64ft-50ft

Overall

27887

Females

12001

F18-39

12001

20M→21M

20.0 - 21.0 mi

Top 98%
×8stories
+106ft-24ft

Overall

27924

Females

12019

F18-39

12019

21M→35K

21.0 - 21.8 mi

Top 97%
×7stories
+17ft-86ft

Overall

27436

Females

11818

F18-39

11818

35K→23M

21.8 - 23.0 mi

Top 97%
×5stories
+23ft-63ft

Overall

27517

Females

11867

F18-39

11867

23M→24M

23.0 - 24.0 mi

Top 99%
×6stories
+12ft-82ft

Overall

28037

Females

12111

F18-39

12111

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

27771

Females

11999

F18-39

11999

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

27699

Females

11982

F18-39

11982

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2stories
+22ft-21ft

Overall

28165

Females

12149

F18-39

12149

Passing Analysis

Category:
Athletes Passed
414
Passed By
327
Net Change
+87
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28181
5K → 10K11216+96#28181#28085
10K → 15K8526+59#28085#28026
15K → 20K4821+27#28026#27999
20K → Half1413+1#27999#27998
Half → 25K3952-13#27998#28011
25K → 30K4255-13#28011#28024
30K → 20M1341-28#28024#28052
20M → 21M1320-7#28052#28059
21M → 35K115+6#28059#28053
35K → 23M188+10#28053#28043
23M → 24M634-28#28043#28071
24M → 40K515-10#28071#28081
40K → 25.2M54+1#28081#28080
25.2M → Finish317-14#28080#28094
TOTALS414327+87
📊

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