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BOSTON MARATHON 2025

Caitlin Brumme

Bib: 27173•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 44%
Masters (Masters Women)
#0 / 6759
Top 31%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:36
Rank: #15898
Start → 5K
7:55/mi
24:36 split
10K· 6.21 mi
49:19
Rank: #15992 (-94)
5K → 10K
7:57/mi
24:43 split
15K· 9.32 mi
1:14:35
Rank: #16353 (-361)
10K → 15K
8:08/mi
25:16 split
20K· 12.43 mi
1:40:48
Rank: #16765 (-412)
15K → 20K
8:26/mi
26:13 split
Half· 13.11 mi
1:46:23
Rank: #16771 (-6)
20K → Half
8:11/mi
5:35 split
25K· 15.53 mi
2:06:54
Rank: #16769 (+2)
Half → 25K
8:28/mi
20:31 split
30K· 18.64 mi
2:33:39
Rank: #16471 (+298)
25K → 30K
8:37/mi
26:45 split
20M
2:45:47
Rank: #16438 (+33)
30K → 20M
8:56/mi
12:08 split
21M
2:54:44
Rank: #16213 (+225)
20M → 21M
8:57/mi
8:57 split
35K· 21.75 mi
3:01:13
Rank: #16193 (+20)
21M → 35K
8:40/mi
6:29 split
23M
3:12:29
Rank: #16136 (+57)
35K → 23M
9:00/mi
11:16 split
24M
3:21:12
Rank: #16101 (+35)
23M → 24M
8:43/mi
8:43 split
40K· 24.85 mi
3:29:05
Rank: #16151 (-50)
24M → 40K
9:13/mi
7:53 split
25.2M
3:32:19
Rank: #16108 (+43)
40K → 25.2M
9:23/mi
3:14 split
Finish· 26.22 mi
3:40:21
Rank: #15957 (+151)
25.2M → Finish
7:53/mi
8:02 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:23
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:53:58
Pace8:42 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:1424:367:5524:36
7:55
-
10K
6.21 mi12:05:5749:197:5624:43
7:57
+0:02
15K
9.32 mi12:31:131:14:358:0025:16
8:08
+0:11
20K
12.43 mi12:57:261:40:488:0726:13
8:26
+0:18
Half
13.11 mi13:03:011:46:238:075:35
8:11
-0:15
25K
15.53 mi13:23:322:06:548:1020:31
8:28
+0:17
30K
18.64 mi13:50:172:33:398:1526:45
8:37
+0:09
20M
20.00 mi14:02:252:45:478:1712:08
8:56
+0:19
21M
21.00 mi14:11:222:54:448:198:57
8:57
+0:01
35K
21.75 mi14:17:513:01:138:206:29
8:40
-0:17
23M
23.00 mi14:29:073:12:298:2211:16
9:00
+0:20
24M
24.00 mi14:37:503:21:128:238:43
8:43
-0:17
40K
24.85 mi14:45:433:29:058:257:53
9:13
+0:30
25.2M
25.20 mi14:48:573:32:198:263:14
9:23
+0:10
Finish
26.22 mi14:56:593:40:218:258:02
7:53
-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

7:53 /mi

Average Pace

8:25 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:10

76% of race

Time at Steady Pace

48:57

22% of race

Time at Slower Pace

3:14

1% of race

Average Pace: 8:24 /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 mi11:41:1424:367:5524:36
7:55
#15898
10K
6.21 mi12:05:5749:197:5624:43
7:57
#15992
15K
9.32 mi12:31:131:14:358:0025:16
8:08
#16353
20K
12.43 mi12:57:261:40:488:0726:13
8:26
#16765
Half
13.11 mi13:03:011:46:238:075:35
8:11
#16771
25K
15.53 mi13:23:322:06:548:1020:31
8:28
#16769
30K
18.64 mi13:50:172:33:398:1526:45
8:37
#16471
20M
20.00 mi14:02:252:45:478:1712:08
8:56
#16438
21M
21.00 mi14:11:222:54:448:198:57
8:57
#16213
35K
21.75 mi14:17:513:01:138:206:29
8:40
#16193
23M
23.00 mi14:29:073:12:298:2211:16
9:00
#16136
24M
24.00 mi14:37:503:21:128:238:43
8:43
#16101
40K
24.85 mi14:45:433:29:058:257:53
9:13
#16151
25.2M
25.20 mi14:48:573:32:198:263:14
9:23
#16108
Finish
26.22 mi14:56:593:40:218:258:02
7:53
#15957
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi158985082508216975(Top 60%)5719(Top 47%)5719(Top 333%)
10K6.21 mi3.10 mi15992-945131-495131-4916124(Top 57%)5195(Top 42%)5195(Top 302%)
15K9.32 mi3.11 mi16353-3615345-2145345-21416975(Top 60%)5719(Top 47%)5719(Top 333%)
20K12.43 mi3.11 mi16765-4125599-2545599-25417796(Top 63%)6220(Top 51%)6220(Top 362%)
Half13.11 mi0.68 mi16771-65599559917213(Top 61%)5878(Top 48%)5878(Top 342%)
25K15.53 mi2.42 mi16769+25629-305629-3016957(Top 60%)5829(Top 48%)5829(Top 339%)
30K18.64 mi3.11 mi16471+2985510+1195510+11915463(Top 54%)5156(Top 42%)5156(Top 300%)
20M20.00 mi1.36 mi16438+335522-125522-1216419(Top 58%)5832(Top 48%)5832(Top 339%)
21M21.00 mi1.00 mi16213+2255420+1025420+10213254(Top 47%)4253(Top 35%)4253(Top 248%)
35K21.75 mi0.75 mi16193+205430-105430-1016497(Top 58%)6056(Top 50%)6056(Top 353%)
23M23.00 mi1.25 mi16136+575434-45434-416251(Top 57%)6025(Top 49%)6025(Top 351%)
24M24.00 mi1.00 mi16101+355436-25436-215851(Top 56%)5841(Top 48%)5841(Top 340%)
40K24.85 mi0.85 mi16151-505487-515487-5117452(Top 61%)6828(Top 56%)6828(Top 397%)
25.2M25.20 mi0.35 mi16108+435472+155472+1513961(Top 49%)5004(Top 41%)5004(Top 291%)
Finish26.22 mi1.02 mi15957+1515407+655407+6512103(Top 43%)3991(Top 33%)3991(Top 232%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

16975

Females

5719

F40-44

5719

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

16124

Females

5195

F40-44

5195

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

16975

Females

5719

F40-44

5719

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

17796

Females

6220

F40-44

6220

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

17213

Females

5878

F40-44

5878

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

16957

Females

5829

F40-44

5829

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

15463

Females

5156

F40-44

5156

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

16419

Females

5832

F40-44

5832

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

13254

Females

4253

F40-44

4253

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

16497

Females

6056

F40-44

6056

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

16251

Females

6025

F40-44

6025

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

15851

Females

5841

F40-44

5841

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17452

Females

6828

F40-44

6828

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13961

Females

5004

F40-44

5004

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

12103

Females

3991

F40-44

3991

Passing Analysis

Category:
Athletes Passed
1986
Passed By
2045
Net Change
-59
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15898
5K → 10K284378-94#15898#15992
10K → 15K101462-361#15992#16353
15K → 20K98510-412#16353#16765
20K → Half3945-6#16765#16771
Half → 25K160158+2#16771#16769
25K → 30K37880+298#16769#16471
30K → 20M12895+33#16471#16438
20M → 21M24116+225#16438#16213
21M → 35K6747+20#16213#16193
35K → 23M13881+57#16193#16136
23M → 24M8651+35#16136#16101
24M → 40K50100-50#16101#16151
40K → 25.2M5411+43#16151#16108
25.2M → Finish16211+151#16108#15957
TOTALS19862045-59
📊

Passing Visuals

Category:
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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