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BOSTON MARATHON 2025

Catie Bretz

Bib: 18325•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 49%
Gender (Female)
#0 / 12228
Top 35%
Masters (Masters Women)
#0 / 6759
Top 21%
Division (F40-44)
#0 / 1718
Top 42%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:20
Rank: #15109
Start → 5K
24:20 | 7:50/mi
10K· 6.21 mi
48:42
Rank: #15128 (-19)
5K → 10K
24:22 | 7:51/mi
15K· 9.32 mi
1:12:56
Rank: #14855 (+273)
10K → 15K
24:14 | 7:48/mi
20K· 12.43 mi
1:37:22
Rank: #14534 (+321)
15K → 20K
24:26 | 7:52/mi
Half· 13.11 mi
1:42:40
Rank: #14491 (+43)
20K → Half
5:18 | 7:46/mi
25K· 15.53 mi
2:01:55
Rank: #14301 (+190)
Half → 25K
19:15 | 7:56/mi
30K· 18.64 mi
2:27:40
Rank: #14057 (+244)
25K → 30K
25:45 | 8:17/mi
20M
2:38:45
Rank: #13809 (+248)
30K → 20M
11:05 | 8:09/mi
21M
2:47:39
Rank: #13733 (+76)
20M → 21M
8:54 | 8:54/mi
35K· 21.75 mi
2:53:43
Rank: #13686 (+47)
21M → 35K
6:04 | 8:07/mi
23M
3:04:38
Rank: #13738 (-52)
35K → 23M
10:55 | 8:43/mi
24M
3:13:31
Rank: #13913 (-175)
23M → 24M
8:53 | 8:53/mi
40K· 24.85 mi
3:21:17
Rank: #14036 (-123)
24M → 40K
7:46 | 9:05/mi
25.2M
3:24:46
Rank: #14097 (-61)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:32:58
Rank: #14014 (+83)
25.2M → Finish
8:12 | 8:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:40
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:50:18
Pace8:25 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2424:207:5024:20
7:50
-
10K
6.21 mi11:39:4648:427:5024:22
7:51
+0:01
15K
9.32 mi12:04:001:12:567:4924:14
7:48
-0:03
20K
12.43 mi12:28:261:37:227:5024:26
7:52
+0:04
Half
13.11 mi12:33:441:42:407:505:18
7:46
-0:06
25K
15.53 mi12:52:592:01:557:5119:15
7:56
+0:10
30K
18.64 mi13:18:442:27:407:5525:45
8:17
+0:21
20M
20.00 mi13:29:492:38:457:5611:05
8:09
-0:08
21M
21.00 mi13:38:432:47:397:598:54
8:54
+0:45
35K
21.75 mi13:44:472:53:437:596:04
8:07
-0:47
23M
23.00 mi13:55:423:04:388:0210:55
8:43
+0:36
24M
24.00 mi14:04:353:13:318:048:53
8:53
+0:10
40K
24.85 mi14:12:213:21:178:067:46
9:05
+0:12
25.2M
25.20 mi14:15:503:24:468:083:29
10:06
+1:01
Finish
26.22 mi14:24:023:32:588:088:12
8:03
-2:03

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

7:46 /mi

Average Pace

8:08 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

5:18

2% of race

Time at Steady Pace

2:47:43

79% of race

Time at Slower Pace

39:57

19% of race

Average Pace: 8:07 /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 mi11:15:2424:207:5024:20
7:50
#15109
10K
6.21 mi11:39:4648:427:5024:22
7:51
#15128
15K
9.32 mi12:04:001:12:567:4924:14
7:48
#14855
20K
12.43 mi12:28:261:37:227:5024:26
7:52
#14534
Half
13.11 mi12:33:441:42:407:505:18
7:46
#14491
25K
15.53 mi12:52:592:01:557:5119:15
7:56
#14301
30K
18.64 mi13:18:442:27:407:5525:45
8:17
#14057
20M
20.00 mi13:29:492:38:457:5611:05
8:09
#13809
21M
21.00 mi13:38:432:47:397:598:54
8:54
#13733
35K
21.75 mi13:44:472:53:437:596:04
8:07
#13686
23M
23.00 mi13:55:423:04:388:0210:55
8:43
#13738
24M
24.00 mi14:04:353:13:318:048:53
8:53
#13913
40K
24.85 mi14:12:213:21:178:067:46
9:05
#14036
25.2M
25.20 mi14:15:503:24:468:083:29
10:06
#14097
Finish
26.22 mi14:24:023:32:588:088:12
8:03
#14014
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi151094595459514386(Top 51%)4251(Top 35%)4251(Top 247%)
10K6.21 mi3.10 mi15128-194621-264621-2615210(Top 54%)4668(Top 38%)4668(Top 272%)
15K9.32 mi3.11 mi14855+2734472+1494472+14914386(Top 51%)4251(Top 35%)4251(Top 247%)
20K12.43 mi3.11 mi14534+3214308+1644308+16413813(Top 49%)3994(Top 33%)3994(Top 232%)
Half13.11 mi0.68 mi14491+434294+144294+1414072(Top 50%)4105(Top 34%)4105(Top 239%)
25K15.53 mi2.42 mi14301+1904218+764218+7613448(Top 47%)3915(Top 32%)3915(Top 228%)
30K18.64 mi3.11 mi14057+2444140+784140+7813435(Top 47%)4075(Top 33%)4075(Top 237%)
20M20.00 mi1.36 mi13809+2484034+1064034+10611548(Top 41%)3217(Top 26%)3217(Top 187%)
21M21.00 mi1.00 mi13733+764020+144020+1412950(Top 46%)4093(Top 33%)4093(Top 238%)
35K21.75 mi0.75 mi13686+474013+74013+713032(Top 46%)4180(Top 34%)4180(Top 243%)
23M23.00 mi1.25 mi13738-524081-684081-6814666(Top 52%)5152(Top 42%)5152(Top 300%)
24M24.00 mi1.00 mi13913-1754209-1284209-12816757(Top 59%)6347(Top 52%)6347(Top 369%)
40K24.85 mi0.85 mi14036-1234296-874296-8716778(Top 59%)6458(Top 53%)6458(Top 376%)
25.2M25.20 mi0.35 mi14097-614344-484344-4817471(Top 62%)6825(Top 56%)6825(Top 397%)
Finish26.22 mi1.02 mi14014+834326+184326+1813220(Top 47%)4560(Top 37%)4560(Top 265%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

14386

Females

4251

F40-44

4251

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

15210

Females

4668

F40-44

4668

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

14386

Females

4251

F40-44

4251

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

13813

Females

3994

F40-44

3994

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

14072

Females

4105

F40-44

4105

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

13448

Females

3915

F40-44

3915

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

13435

Females

4075

F40-44

4075

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

11548

Females

3217

F40-44

3217

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

12950

Females

4093

F40-44

4093

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

13032

Females

4180

F40-44

4180

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

14666

Females

5152

F40-44

5152

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

16757

Females

6347

F40-44

6347

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16778

Females

6458

F40-44

6458

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17471

Females

6825

F40-44

6825

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13220

Females

4560

F40-44

4560

Passing Analysis

Category:
Athletes Passed
2519
Passed By
1424
Net Change
+1095
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15109
5K → 10K284303-19#15109#15128
10K → 15K34572+273#15128#14855
15K → 20K37756+321#14855#14534
20K → Half6623+43#14534#14491
Half → 25K26070+190#14491#14301
25K → 30K375131+244#14301#14057
30K → 20M26012+248#14057#13809
20M → 21M14367+76#13809#13733
21M → 35K7730+47#13733#13686
35K → 23M99151-52#13686#13738
23M → 24M44219-175#13738#13913
24M → 40K50173-123#13913#14036
40K → 25.2M1879-61#14036#14097
25.2M → Finish12138+83#14097#14014
TOTALS25191424+1095
📊

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