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BOSTON MARATHON 2025

Caroline Martau

Bib: 17632•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:50
Rank: #20691
Start → 5K
26:50 | 8:38/mi
10K· 6.21 mi
54:17
Rank: #21091 (-400)
5K → 10K
27:27 | 8:50/mi
15K· 9.32 mi
1:21:40
Rank: #21052 (+39)
10K → 15K
27:23 | 8:49/mi
20K· 12.43 mi
1:49:11
Rank: #20840 (+212)
15K → 20K
27:31 | 8:51/mi
Half· 13.11 mi
1:55:08
Rank: #20831 (+9)
20K → Half
5:57 | 8:43/mi
25K· 15.53 mi
2:17:17
Rank: #20803 (+28)
Half → 25K
22:09 | 9:08/mi
30K· 18.64 mi
2:46:06
Rank: #20416 (+387)
25K → 30K
28:49 | 9:17/mi
20M
2:58:52
Rank: #20289 (+127)
30K → 20M
12:46 | 9:24/mi
21M
3:08:23
Rank: #20040 (+249)
20M → 21M
9:31 | 9:31/mi
35K· 21.75 mi
3:15:46
Rank: #20134 (-94)
21M → 35K
7:23 | 9:52/mi
23M
3:27:04
Rank: #19929 (+205)
35K → 23M
11:18 | 9:02/mi
24M
3:35:56
Rank: #19784 (+145)
23M → 24M
8:52 | 8:52/mi
40K· 24.85 mi
3:43:41
Rank: #19690 (+94)
24M → 40K
7:45 | 9:04/mi
25.2M
3:47:10
Rank: #19638 (+52)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:56:52
Rank: #19717 (-79)
25.2M → Finish
9:42 | 9:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:08
Pace8:47 /mi
2nd Half
Distance13.11 mi
Time2:01:44
Pace9:17 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0426:508:3826:50
8:38
-
10K
6.21 mi11:44:3154:178:4427:27
8:50
+0:12
15K
9.32 mi12:11:541:21:408:4627:23
8:49
-0:01
20K
12.43 mi12:39:251:49:118:4727:31
8:51
+0:02
Half
13.11 mi12:45:221:55:088:475:57
8:43
-0:08
25K
15.53 mi13:07:312:17:178:5022:09
9:08
+0:25
30K
18.64 mi13:36:202:46:068:5528:49
9:17
+0:09
20M
20.00 mi13:49:062:58:528:5712:46
9:24
+0:07
21M
21.00 mi13:58:373:08:238:589:31
9:31
+0:07
35K
21.75 mi14:06:003:15:469:007:23
9:52
+0:21
23M
23.00 mi14:17:183:27:049:0011:18
9:02
-0:50
24M
24.00 mi14:26:103:35:569:008:52
8:52
-0:10
40K
24.85 mi14:33:553:43:419:007:45
9:04
+0:12
25.2M
25.20 mi14:37:243:47:109:013:29
10:06
+1:02
Finish
26.22 mi14:47:063:56:529:029:42
9:31
-0:35

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

8:38 /mi

Average Pace

9:02 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:26:47

87% of race

Time at Steady Pace

30:05

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:02 /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 mi11:17:0426:508:3826:50
8:38
#20691
10K
6.21 mi11:44:3154:178:4427:27
8:50
#21091
15K
9.32 mi12:11:541:21:408:4627:23
8:49
#21052
20K
12.43 mi12:39:251:49:118:4727:31
8:51
#20840
Half
13.11 mi12:45:221:55:088:475:57
8:43
#20831
25K
15.53 mi13:07:312:17:178:5022:09
9:08
#20803
30K
18.64 mi13:36:202:46:068:5528:49
9:17
#20416
20M
20.00 mi13:49:062:58:528:5712:46
9:24
#20289
21M
21.00 mi13:58:373:08:238:589:31
9:31
#20040
35K
21.75 mi14:06:003:15:469:007:23
9:52
#20134
23M
23.00 mi14:17:183:27:049:0011:18
9:02
#19929
24M
24.00 mi14:26:103:35:569:008:52
8:52
#19784
40K
24.85 mi14:33:553:43:419:007:45
9:04
#19690
25.2M
25.20 mi14:37:243:47:109:013:29
10:06
#19638
Finish
26.22 mi14:47:063:56:529:029:42
9:31
#19717
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi206917907790721090(Top 74%)8049(Top 66%)8049(Top 444%)
10K6.21 mi3.10 mi21091-4008101-1948101-19421573(Top 76%)8352(Top 68%)8352(Top 461%)
15K9.32 mi3.11 mi21052+398066+358066+3521090(Top 74%)8049(Top 66%)8049(Top 444%)
20K12.43 mi3.11 mi20840+2127948+1187948+11820265(Top 71%)7628(Top 62%)7628(Top 421%)
Half13.11 mi0.68 mi20831+97940+87940+820514(Top 72%)7762(Top 63%)7762(Top 428%)
25K15.53 mi2.42 mi20803+287934+67934+620514(Top 72%)7820(Top 64%)7820(Top 431%)
30K18.64 mi3.11 mi20416+3877771+1637771+16319004(Top 67%)7126(Top 58%)7126(Top 393%)
20M20.00 mi1.36 mi20289+1277719+527719+5218741(Top 66%)7131(Top 58%)7131(Top 393%)
21M21.00 mi1.00 mi20040+2497597+1227597+12216191(Top 57%)5818(Top 48%)5818(Top 321%)
35K21.75 mi0.75 mi20134-947666-697666-6921533(Top 76%)8788(Top 72%)8788(Top 485%)
23M23.00 mi1.25 mi19929+2057583+837583+8316437(Top 58%)6142(Top 50%)6142(Top 339%)
24M24.00 mi1.00 mi19784+1457527+567527+5616711(Top 59%)6336(Top 52%)6336(Top 349%)
40K24.85 mi0.85 mi19690+947488+397488+3916727(Top 59%)6445(Top 53%)6445(Top 355%)
25.2M25.20 mi0.35 mi19638+527473+157473+1517545(Top 62%)6899(Top 56%)6899(Top 381%)
Finish26.22 mi1.02 mi19717-797527-547527-5421243(Top 75%)8781(Top 72%)8781(Top 484%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

21090

Females

8049

F45-49

8049

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

21573

Females

8352

F45-49

8352

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

21090

Females

8049

F45-49

8049

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

20265

Females

7628

F45-49

7628

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

20514

Females

7762

F45-49

7762

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

20514

Females

7820

F45-49

7820

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

19004

Females

7126

F45-49

7126

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

18741

Females

7131

F45-49

7131

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

16191

Females

5818

F45-49

5818

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

21533

Females

8788

F45-49

8788

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

16437

Females

6142

F45-49

6142

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

16711

Females

6336

F45-49

6336

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16727

Females

6445

F45-49

6445

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17545

Females

6899

F45-49

6899

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

21243

Females

8781

F45-49

8781

Passing Analysis

Category:
Athletes Passed
2255
Passed By
1281
Net Change
+974
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20691
5K → 10K115515-400#20691#21091
10K → 15K208169+39#21091#21052
15K → 20K29785+212#21052#20840
20K → Half2920+9#20840#20831
Half → 25K168140+28#20831#20803
25K → 30K42740+387#20803#20416
30K → 20M16033+127#20416#20289
20M → 21M2512+249#20289#20040
21M → 35K31125-94#20040#20134
35K → 23M21813+205#20134#19929
23M → 24M1527+145#19929#19784
24M → 40K10915+94#19784#19690
40K → 25.2M597+52#19690#19638
25.2M → Finish31110-79#19638#19717
TOTALS22551281+974
📊

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