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BOSTON MARATHON 2025

Caroline Temmins

Bib: 18420•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 39%
Gender (Female)
#0 / 12228
Top 23%
Masters (Masters Women)
#0 / 6759
Top 9%
Division (F50-54)
#0 / 1303
Top 5%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:36/mi
23:38
↑ 97↓ 3451.5%
10K· 6.21 mi
7:29/mi
46:52
↑ 79↓ 1380.4%
15K· 9.32 mi
7:33/mi
1:10:19
↑ 67↓ 78
20K· 12.43 mi
7:39/mi
1:34:06
↑ 106↓ 860.1%
Half· 13.11 mi
7:33/mi
1:39:15
↑ 19↓ 370.5%
25K· 15.53 mi
7:39/mi
1:57:48
↑ 66↓ 880.2%
30K· 18.64 mi
7:58/mi
2:22:32
↑ 181↓ 1480.2%
20M
8:01/mi
2:33:26
↑ 64↓ 500.2%
21M
8:35/mi
2:42:01
↑ 106↓ 241.6%
35K· 21.75 mi
7:45/mi
2:47:49
↑ 17↓ 861.7%
23M
7:58/mi
2:57:48
↑ 23↓ 630.6%
24M
7:49/mi
3:05:37
↓ 821.3%
40K· 24.85 mi
7:55/mi
3:12:23
↓ 200.3%
25.2M
8:39/mi
3:15:22
↑ 13↓ 160.2%
Finish· 26.22 mi
7:30/mi
3:23:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:15
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:43:46
Pace7:55 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:2623:387:3623:38
7:36
-
10K
6.21 mi11:37:4046:527:3323:14
7:29
-0:07
15K
9.32 mi12:01:071:10:197:3323:27
7:33
+0:04
20K
12.43 mi12:24:541:34:067:3423:47
7:39
+0:06
Half
13.11 mi12:30:031:39:157:345:09
7:33
-0:06
25K
15.53 mi12:48:361:57:487:3518:33
7:39
+0:06
30K
18.64 mi13:13:202:22:327:3924:44
7:58
+0:19
20M
20.00 mi13:24:142:33:267:4010:54
8:01
+0:03
21M
21.00 mi13:32:492:42:017:438:35
8:35
+0:34
35K
21.75 mi13:38:372:47:497:435:48
7:45
-0:50
23M
23.00 mi13:48:362:57:487:449:59
7:58
+0:13
24M
24.00 mi13:56:253:05:377:447:49
7:49
-0:09
40K
24.85 mi14:03:113:12:237:446:46
7:55
+0:06
25.2M
25.20 mi14:06:103:15:227:452:59
8:39
+0:44
Finish
26.22 mi14:13:493:23:017:457:39
7:30
-1:09

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

7:29 /mi

Average Pace

7:45 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:27

94% of race

Time at Steady Pace

11:34

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:45 /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 mi11:14:2623:387:3623:38
7:36
#13192
10K
6.21 mi11:37:4046:527:3323:14
7:29
#12511
15K
9.32 mi12:01:071:10:197:3323:27
7:33
#12379
20K
12.43 mi12:24:541:34:067:3423:47
7:39
#12270
Half
13.11 mi12:30:031:39:157:345:09
7:33
#12259
25K
15.53 mi12:48:361:57:487:3518:33
7:39
#12034
30K
18.64 mi13:13:202:22:327:3924:44
7:58
#11787
20M
20.00 mi13:24:142:33:267:4010:54
8:01
#11651
21M
21.00 mi13:32:492:42:017:438:35
8:35
#11609
35K
21.75 mi13:38:372:47:497:435:48
7:45
#11550
23M
23.00 mi13:48:362:57:487:449:59
7:58
#11401
24M
24.00 mi13:56:253:05:377:447:49
7:49
#11273
40K
24.85 mi14:03:113:12:237:446:46
7:55
#11187
25.2M
25.20 mi14:06:103:15:227:452:59
8:39
#11146
Finish
26.22 mi14:13:493:23:017:457:39
7:30
#11040
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi131923429342912178(Top 43%)3005(Top 25%)3005(Top 231%)
10K6.21 mi3.10 mi12511+6813077+3523077+35211919(Top 42%)2771(Top 23%)2771(Top 213%)
15K9.32 mi3.11 mi12379+1323037+403037+4012178(Top 43%)3005(Top 25%)3005(Top 231%)
20K12.43 mi3.11 mi12270+1093016+213016+2112004(Top 42%)2999(Top 25%)2999(Top 230%)
Half13.11 mi0.68 mi12259+113018-23018-212173(Top 43%)3034(Top 25%)3034(Top 233%)
25K15.53 mi2.42 mi12034+2252939+792939+7911178(Top 39%)2677(Top 22%)2677(Top 205%)
30K18.64 mi3.11 mi11787+2472892+472892+4711117(Top 39%)2847(Top 23%)2847(Top 218%)
20M20.00 mi1.36 mi11651+1362850+422850+4210598(Top 37%)2736(Top 22%)2736(Top 210%)
21M21.00 mi1.00 mi11609+422871-212871-2111000(Top 39%)3095(Top 25%)3095(Top 238%)
35K21.75 mi0.75 mi11550+592863+82863+810501(Top 37%)2852(Top 23%)2852(Top 219%)
23M23.00 mi1.25 mi11401+1492834+292834+299878(Top 35%)2682(Top 22%)2682(Top 206%)
24M24.00 mi1.00 mi11273+1282806+282806+289970(Top 35%)2800(Top 23%)2800(Top 215%)
40K24.85 mi0.85 mi11187+862788+182788+189603(Top 34%)2728(Top 22%)2728(Top 209%)
25.2M25.20 mi0.35 mi11146+412786+22786+29776(Top 34%)2902(Top 24%)2902(Top 223%)
Finish26.22 mi1.02 mi11040+1062765+212765+219269(Top 33%)2656(Top 22%)2656(Top 204%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

12178

Females

3005

F50-54

3005

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11919

Females

2771

F50-54

2771

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

12178

Females

3005

F50-54

3005

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

12004

Females

2999

F50-54

2999

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

12173

Females

3034

F50-54

3034

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

11178

Females

2677

F50-54

2677

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

11117

Females

2847

F50-54

2847

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

10598

Females

2736

F50-54

2736

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

11000

Females

3095

F50-54

3095

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

10501

Females

2852

F50-54

2852

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9878

Females

2682

F50-54

2682

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9970

Females

2800

F50-54

2800

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9603

Females

2728

F50-54

2728

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9776

Females

2902

F50-54

2902

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

9269

Females

2656

F50-54

2656

Passing Analysis

Category:
Athletes Passed
2922
Passed By
770
Net Change
+2152
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13192
5K → 10K75271+681#13192#12511
10K → 15K258126+132#12511#12379
15K → 20K235126+109#12379#12270
20K → Half3423+11#12270#12259
Half → 25K28257+225#12259#12034
25K → 30K34396+247#12034#11787
30K → 20M17640+136#11787#11651
20M → 21M12381+42#11651#11609
21M → 35K8223+59#11609#11550
35K → 23M18738+149#11550#11401
23M → 24M15325+128#11401#11273
24M → 40K11327+86#11273#11187
40K → 25.2M5716+41#11187#11146
25.2M → Finish12721+106#11146#11040
TOTALS2922770+2152
📊

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