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BOSTON MARATHON 2025

Kristen Doo

Bib: 29146•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
34:12
Rank: #27570
Start → 5K
34:12 | 11:00/mi
10K· 6.21 mi
1:09:16
Rank: #27477 (+93)
5K → 10K
35:04 | 11:17/mi
15K· 9.32 mi
1:43:38
Rank: #27224 (+253)
10K → 15K
34:22 | 11:04/mi
20K· 12.43 mi
2:18:20
Rank: #26963 (+261)
15K → 20K
34:42 | 11:10/mi
Half· 13.11 mi
2:25:48
Rank: #26926 (+37)
20K → Half
7:28 | 10:57/mi
25K· 15.53 mi
2:53:20
Rank: #26727 (+199)
Half → 25K
27:32 | 11:21/mi
30K· 18.64 mi
3:32:15
Rank: #26633 (+94)
25K → 30K
38:55 | 12:32/mi
20M
3:49:18
Rank: #26593 (+40)
30K → 20M
17:03 | 12:33/mi
21M
4:02:47
Rank: #26552 (+41)
20M → 21M
13:29 | 13:29/mi
35K· 21.75 mi
4:11:36
Rank: #26525 (+27)
21M → 35K
8:49 | 11:47/mi
23M
4:27:26
Rank: #26501 (+24)
35K → 23M
15:50 | 12:39/mi
24M
4:40:22
Rank: #26540 (-39)
23M → 24M
12:56 | 12:56/mi
40K· 24.85 mi
4:51:18
Rank: #26545 (-5)
24M → 40K
10:56 | 12:47/mi
25.2M
4:55:39
Rank: #26521 (+24)
40K → 25.2M
4:21 | 12:37/mi
Finish· 26.22 mi
5:06:59
Rank: #26495 (+26)
25.2M → Finish
11:20 | 11:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:25:48
Pace11:07 /mi
2nd Half
Distance13.11 mi
Time2:41:11
Pace12:18 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:5534:1211:0034:12
11:00
-
10K
6.21 mi12:30:591:09:1611:0935:04
11:17
+0:17
15K
9.32 mi13:05:211:43:3811:0734:22
11:04
-0:13
20K
12.43 mi13:40:032:18:2011:0834:42
11:10
+0:06
Half
13.11 mi13:47:312:25:4811:077:28
10:57
-0:13
25K
15.53 mi14:15:032:53:2011:0927:32
11:21
+0:24
30K
18.64 mi14:53:583:32:1511:2338:55
12:32
+1:11
20M
20.00 mi15:11:013:49:1811:2817:03
12:33
+0:01
21M
21.00 mi15:24:304:02:4711:3413:29
13:29
+0:56
35K
21.75 mi15:33:194:11:3611:348:49
11:47
-1:42
23M
23.00 mi15:49:094:27:2611:3815:50
12:39
+0:52
24M
24.00 mi16:02:054:40:2211:4112:56
12:56
+0:17
40K
24.85 mi16:13:014:51:1811:4310:56
12:47
-0:09
25.2M
25.20 mi16:17:224:55:3911:444:21
12:37
-0:10
Finish
26.22 mi16:28:425:06:5911:4311:20
11:07
-1:30

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

10:57 /mi

Average Pace

11:43 /mi

Slowest Pace

13:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:40

60% of race

Time at Steady Pace

8:49

3% of race

Time at Slower Pace

1:53:30

37% of race

Average Pace: 11:42 /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 mi11:55:5534:1211:0034:12
11:00
#27570
10K
6.21 mi12:30:591:09:1611:0935:04
11:17
#27477
15K
9.32 mi13:05:211:43:3811:0734:22
11:04
#27224
20K
12.43 mi13:40:032:18:2011:0834:42
11:10
#26963
Half
13.11 mi13:47:312:25:4811:077:28
10:57
#26926
25K
15.53 mi14:15:032:53:2011:0927:32
11:21
#26727
30K
18.64 mi14:53:583:32:1511:2338:55
12:32
#26633
20M
20.00 mi15:11:013:49:1811:2817:03
12:33
#26593
21M
21.00 mi15:24:304:02:4711:3413:29
13:29
#26552
35K
21.75 mi15:33:194:11:3611:348:49
11:47
#26525
23M
23.00 mi15:49:094:27:2611:3815:50
12:39
#26501
24M
24.00 mi16:02:054:40:2211:4112:56
12:56
#26540
40K
24.85 mi16:13:014:51:1811:4310:56
12:47
#26545
25.2M
25.20 mi16:17:224:55:3911:444:21
12:37
#26521
Finish
26.22 mi16:28:425:06:5911:4311:20
11:07
#26495
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27570116871168726742(Top 94%)11223(Top 92%)11223(Top 205%)
10K6.21 mi3.10 mi27477+9311627+6011627+6027376(Top 96%)11590(Top 95%)11590(Top 212%)
15K9.32 mi3.11 mi27224+25311484+14311484+14326742(Top 94%)11223(Top 92%)11223(Top 205%)
20K12.43 mi3.11 mi26963+26111347+13711347+13726249(Top 92%)10941(Top 89%)10941(Top 200%)
Half13.11 mi0.68 mi26926+3711329+1811329+1826421(Top 93%)11076(Top 91%)11076(Top 203%)
25K15.53 mi2.42 mi26727+19911216+11311216+11325686(Top 90%)10684(Top 87%)10684(Top 195%)
30K18.64 mi3.11 mi26633+9411180+3611180+3626198(Top 92%)11058(Top 90%)11058(Top 202%)
20M20.00 mi1.36 mi26593+4011166+1411166+1425952(Top 91%)10994(Top 90%)10994(Top 201%)
21M21.00 mi1.00 mi26552+4111154+1211154+1225650(Top 90%)10881(Top 89%)10881(Top 199%)
35K21.75 mi0.75 mi26525+2711148+611148+625534(Top 90%)10868(Top 89%)10868(Top 199%)
23M23.00 mi1.25 mi26501+2411152-411152-425975(Top 91%)11087(Top 91%)11087(Top 203%)
24M24.00 mi1.00 mi26540-3911179-2711179-2726781(Top 94%)11523(Top 94%)11523(Top 211%)
40K24.85 mi0.85 mi26545-511182-311182-326036(Top 92%)11161(Top 91%)11161(Top 204%)
25.2M25.20 mi0.35 mi26521+2411170+1211170+1224379(Top 86%)10374(Top 85%)10374(Top 190%)
Finish26.22 mi1.02 mi26495+2611159+1111159+1125582(Top 90%)10948(Top 90%)10948(Top 200%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

26742

Females

11223

F18-39

11223

5K→10K

3.1 - 6.2 mi

Top 96%
×5stories
+79ft-138ft

Overall

27376

Females

11590

F18-39

11590

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

26742

Females

11223

F18-39

11223

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

26249

Females

10941

F18-39

10941

20K→Half

12.4 - 13.1 mi

Top 93%
×2stories
+19ft-37ft

Overall

26421

Females

11076

F18-39

11076

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

25686

Females

10684

F18-39

10684

25K→30K

15.5 - 18.6 mi

Top 92%
×9stories
+181ft-148ft

Overall

26198

Females

11058

F18-39

11058

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

25952

Females

10994

F18-39

10994

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

25650

Females

10881

F18-39

10881

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

25534

Females

10868

F18-39

10868

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

25975

Females

11087

F18-39

11087

23M→24M

23.0 - 24.0 mi

Top 94%
×6stories
+12ft-82ft

Overall

26781

Females

11523

F18-39

11523

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26036

Females

11161

F18-39

11161

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24379

Females

10374

F18-39

10374

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2stories
+22ft-21ft

Overall

25582

Females

10948

F18-39

10948

Passing Analysis

Category:
Athletes Passed
1389
Passed By
314
Net Change
+1075
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27570
5K → 10K15663+93#27570#27477
10K → 15K26411+253#27477#27224
15K → 20K27110+261#27224#26963
20K → Half425+37#26963#26926
Half → 25K2067+199#26926#26727
25K → 30K12935+94#26727#26633
30K → 20M6626+40#26633#26593
20M → 21M5918+41#26593#26552
21M → 35K3710+27#26552#26525
35K → 23M5430+24#26525#26501
23M → 24M1958-39#26501#26540
24M → 40K2126-5#26540#26545
40K → 25.2M251+24#26545#26521
25.2M → Finish4014+26#26521#26495
TOTALS1389314+1075
📊

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