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BOSTON MARATHON 2025

Kamee Zachreson

Bib: 18983•F

ID

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 36%
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
25:06
Rank: #17219
Start → 5K
25:06 | 8:05/mi
10K· 6.21 mi
49:25
Rank: #16127 (+1092)
5K → 10K
24:19 | 7:50/mi
15K· 9.32 mi
1:13:36
Rank: #15468 (+659)
10K → 15K
24:11 | 7:47/mi
20K· 12.43 mi
1:38:22
Rank: #15241 (+227)
15K → 20K
24:46 | 7:58/mi
Half· 13.11 mi
1:43:45
Rank: #15212 (+29)
20K → Half
5:23 | 7:53/mi
25K· 15.53 mi
2:03:38
Rank: #15234 (-22)
Half → 25K
19:53 | 8:12/mi
30K· 18.64 mi
2:30:06
Rank: #15152 (+82)
25K → 30K
26:28 | 8:31/mi
20M
2:41:38
Rank: #14997 (+155)
30K → 20M
11:32 | 8:29/mi
21M
2:50:36
Rank: #14841 (+156)
20M → 21M
8:58 | 8:58/mi
35K· 21.75 mi
2:56:40
Rank: #14739 (+102)
21M → 35K
6:04 | 8:07/mi
23M
3:07:02
Rank: #14539 (+200)
35K → 23M
10:22 | 8:17/mi
24M
3:15:13
Rank: #14438 (+101)
23M → 24M
8:11 | 8:11/mi
40K· 24.85 mi
3:22:24
Rank: #14348 (+90)
24M → 40K
7:11 | 8:24/mi
25.2M
3:25:36
Rank: #14318 (+30)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:33:40
Rank: #14209 (+109)
25.2M → Finish
8:04 | 7:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:45
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:49:55
Pace8:23 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2025:068:0525:06
8:05
-
10K
6.21 mi11:40:3949:257:5724:19
7:50
-0:15
15K
9.32 mi12:04:501:13:367:5424:11
7:47
-0:03
20K
12.43 mi12:29:361:38:227:5524:46
7:58
+0:11
Half
13.11 mi12:34:591:43:457:555:23
7:53
-0:05
25K
15.53 mi12:54:522:03:387:5819:53
8:12
+0:19
30K
18.64 mi13:21:202:30:068:0326:28
8:31
+0:19
20M
20.00 mi13:32:522:41:388:0511:32
8:29
-0:02
21M
21.00 mi13:41:502:50:368:078:58
8:58
+0:29
35K
21.75 mi13:47:542:56:408:076:04
8:07
-0:51
23M
23.00 mi13:58:163:07:028:0810:22
8:17
+0:10
24M
24.00 mi14:06:273:15:138:088:11
8:11
-0:06
40K
24.85 mi14:13:383:22:248:097:11
8:24
+0:13
25.2M
25.20 mi14:16:503:25:368:103:12
9:17
+0:53
Finish
26.22 mi14:24:543:33:408:098:04
7:55
-1:22

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

7:47 /mi

Average Pace

8:09 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:21:30

94% of race

Time at Steady Pace

8:58

4% of race

Time at Slower Pace

3:12

1% of race

Average Pace: 8:09 /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 mi11:16:2025:068:0525:06
8:05
#17219
10K
6.21 mi11:40:3949:257:5724:19
7:50
#16127
15K
9.32 mi12:04:501:13:367:5424:11
7:47
#15468
20K
12.43 mi12:29:361:38:227:5524:46
7:58
#15241
Half
13.11 mi12:34:591:43:457:555:23
7:53
#15212
25K
15.53 mi12:54:522:03:387:5819:53
8:12
#15234
30K
18.64 mi13:21:202:30:068:0326:28
8:31
#15152
20M
20.00 mi13:32:522:41:388:0511:32
8:29
#14997
21M
21.00 mi13:41:502:50:368:078:58
8:58
#14841
35K
21.75 mi13:47:542:56:408:076:04
8:07
#14739
23M
23.00 mi13:58:163:07:028:0810:22
8:17
#14539
24M
24.00 mi14:06:273:15:138:088:11
8:11
#14438
40K
24.85 mi14:13:383:22:248:097:11
8:24
#14348
25.2M
25.20 mi14:16:503:25:368:103:12
9:17
#14318
Finish
26.22 mi14:24:543:33:408:098:04
7:55
#14209
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi172195866586614248(Top 50%)4171(Top 34%)4171(Top 76%)
10K6.21 mi3.10 mi16127+10925219+6475219+64715077(Top 53%)4581(Top 37%)4581(Top 84%)
15K9.32 mi3.11 mi15468+6594827+3924827+39214248(Top 50%)4171(Top 34%)4171(Top 76%)
20K12.43 mi3.11 mi15241+2274718+1094718+10914723(Top 52%)4495(Top 37%)4495(Top 82%)
Half13.11 mi0.68 mi15212+294706+124706+1215054(Top 53%)4637(Top 38%)4637(Top 85%)
25K15.53 mi2.42 mi15234-224740-344740-3415323(Top 54%)4908(Top 40%)4908(Top 90%)
30K18.64 mi3.11 mi15152+824751-114751-1114873(Top 52%)4831(Top 40%)4831(Top 88%)
20M20.00 mi1.36 mi14997+1554698+534698+5313716(Top 48%)4365(Top 36%)4365(Top 80%)
21M21.00 mi1.00 mi14841+1564633+654633+6513331(Top 47%)4284(Top 35%)4284(Top 78%)
35K21.75 mi0.75 mi14739+1024592+414592+4113039(Top 46%)4187(Top 34%)4187(Top 77%)
23M23.00 mi1.25 mi14539+2004506+864506+8611950(Top 42%)3717(Top 30%)3717(Top 68%)
24M24.00 mi1.00 mi14438+1014477+294477+2912492(Top 44%)4046(Top 33%)4046(Top 74%)
40K24.85 mi0.85 mi14348+904468+94468+912834(Top 45%)4354(Top 36%)4354(Top 80%)
25.2M25.20 mi0.35 mi14318+304460+84460+813397(Top 47%)4706(Top 38%)4706(Top 86%)
Finish26.22 mi1.02 mi14209+1094426+344426+3412334(Top 43%)4104(Top 34%)4104(Top 75%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

14248

Females

4171

F18-39

4171

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

15077

Females

4581

F18-39

4581

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

14248

Females

4171

F18-39

4171

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

14723

Females

4495

F18-39

4495

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

15054

Females

4637

F18-39

4637

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

15323

Females

4908

F18-39

4908

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

14873

Females

4831

F18-39

4831

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

13716

Females

4365

F18-39

4365

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

13331

Females

4284

F18-39

4284

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

13039

Females

4187

F18-39

4187

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11950

Females

3717

F18-39

3717

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

12492

Females

4046

F18-39

4046

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12834

Females

4354

F18-39

4354

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13397

Females

4706

F18-39

4706

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

12334

Females

4104

F18-39

4104

Passing Analysis

Category:
Athletes Passed
3773
Passed By
763
Net Change
+3010
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17219
5K → 10K113442+1092#17219#16127
10K → 15K68021+659#16127#15468
15K → 20K31184+227#15468#15241
20K → Half4920+29#15241#15212
Half → 25K164186-22#15212#15234
25K → 30K278196+82#15234#15152
30K → 20M20550+155#15152#14997
20M → 21M19438+156#14997#14841
21M → 35K11412+102#14841#14739
35K → 23M21717+200#14739#14539
23M → 24M12322+101#14539#14438
24M → 40K12232+90#14438#14348
40K → 25.2M4111+30#14348#14318
25.2M → Finish14132+109#14318#14209
TOTALS3773763+3010
📊

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