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BOSTON MARATHON 2025

Caroline Miller

Bib: 12501•F

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 31%
Gender (Female)
#0 / 12228
Top 14%
Division (F18-39)
#0 / 5469
Top 25%
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
7:05/mi
22:00
↑ 97↓ 3451.5%
10K· 6.21 mi
7:09/mi
44:13
↑ 79↓ 1380.4%
15K· 9.32 mi
7:08/mi
1:06:22
↑ 67↓ 78
20K· 12.43 mi
7:16/mi
1:28:56
↑ 106↓ 860.1%
Half· 13.11 mi
7:14/mi
1:33:52
↑ 19↓ 370.5%
25K· 15.53 mi
7:19/mi
1:51:37
↑ 66↓ 880.2%
30K· 18.64 mi
7:39/mi
2:15:24
↑ 181↓ 1480.2%
20M
7:50/mi
2:26:03
↑ 64↓ 500.2%
21M
8:21/mi
2:34:24
↑ 106↓ 241.6%
35K· 21.75 mi
7:44/mi
2:40:11
↑ 17↓ 861.7%
23M
7:53/mi
2:50:03
↑ 23↓ 630.6%
24M
7:47/mi
2:57:50
↓ 821.3%
40K· 24.85 mi
8:04/mi
3:04:44
↓ 200.3%
25.2M
8:45/mi
3:07:45
↑ 13↓ 160.2%
Finish· 26.22 mi
7:48/mi
3:15:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:52
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:41:50
Pace7:46 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3322:007:0522:00
7:05
-
10K
6.21 mi11:12:4644:137:0722:13
7:09
+0:04
15K
9.32 mi11:34:551:06:227:0722:09
7:08
-0:01
20K
12.43 mi11:57:291:28:567:0922:34
7:16
+0:08
Half
13.11 mi12:02:251:33:527:104:56
7:14
-0:02
25K
15.53 mi12:20:101:51:377:1117:45
7:19
+0:05
30K
18.64 mi12:43:572:15:247:1623:47
7:39
+0:20
20M
20.00 mi12:54:362:26:037:1810:39
7:50
+0:11
21M
21.00 mi13:02:572:34:247:218:21
8:21
+0:31
35K
21.75 mi13:08:442:40:117:225:47
7:44
-0:37
23M
23.00 mi13:18:362:50:037:249:52
7:53
+0:09
24M
24.00 mi13:26:232:57:507:257:47
7:47
-0:06
40K
24.85 mi13:33:173:04:447:266:54
8:04
+0:17
25.2M
25.20 mi13:36:183:07:457:273:01
8:45
+0:41
Finish
26.22 mi13:44:153:15:427:287:57
7:48
-0:57

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

7:05 /mi

Average Pace

7:28 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:37

57% of race

Time at Steady Pace

1:05:49

34% of race

Time at Slower Pace

18:16

9% of race

Average Pace: 7:28 /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 mi10:50:3322:007:0522:00
7:05
#8491
10K
6.21 mi11:12:4644:137:0722:13
7:09
#8765
15K
9.32 mi11:34:551:06:227:0722:09
7:08
#8664
20K
12.43 mi11:57:291:28:567:0922:34
7:16
#8602
Half
13.11 mi12:02:251:33:527:104:56
7:14
#8638
25K
15.53 mi12:20:101:51:377:1117:45
7:19
#8557
30K
18.64 mi12:43:572:15:247:1623:47
7:39
#8547
20M
20.00 mi12:54:362:26:037:1810:39
7:50
#8548
21M
21.00 mi13:02:572:34:247:218:21
8:21
#8570
35K
21.75 mi13:08:442:40:117:225:47
7:44
#8617
23M
23.00 mi13:18:362:50:037:249:52
7:53
#8575
24M
24.00 mi13:26:232:57:507:257:47
7:47
#8611
40K
24.85 mi13:33:173:04:447:266:54
8:04
#8656
25.2M
25.20 mi13:36:183:07:457:273:01
8:45
#8671
Finish
26.22 mi13:44:153:15:427:287:57
7:48
#8784
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8491116111618555(Top 30%)1251(Top 10%)1251(Top 23%)
10K6.21 mi3.10 mi8765-2741284-1231284-1239095(Top 32%)1414(Top 12%)1414(Top 26%)
15K9.32 mi3.11 mi8664+1011259+251259+258555(Top 30%)1251(Top 10%)1251(Top 23%)
20K12.43 mi3.11 mi8602+621254+51254+58740(Top 31%)1417(Top 12%)1417(Top 26%)
Half13.11 mi0.68 mi8638-361280-261280-269446(Top 33%)1689(Top 14%)1689(Top 31%)
25K15.53 mi2.42 mi8557+811265+151265+158532(Top 30%)1442(Top 12%)1442(Top 26%)
30K18.64 mi3.11 mi8547+101320-551320-558867(Top 31%)1773(Top 14%)1773(Top 32%)
20M20.00 mi1.36 mi8548-11352-321352-329296(Top 33%)2114(Top 17%)2114(Top 39%)
21M21.00 mi1.00 mi8570-221397-451397-459545(Top 34%)2391(Top 20%)2391(Top 44%)
35K21.75 mi0.75 mi8617-471432-351432-3510317(Top 36%)2742(Top 22%)2742(Top 50%)
23M23.00 mi1.25 mi8575+421464-321464-329163(Top 32%)2324(Top 19%)2324(Top 42%)
24M24.00 mi1.00 mi8611-361508-441508-449694(Top 34%)2648(Top 22%)2648(Top 48%)
40K24.85 mi0.85 mi8656-451575-671575-6710678(Top 38%)3247(Top 27%)3247(Top 59%)
25.2M25.20 mi0.35 mi8671-151592-171592-1710318(Top 36%)3154(Top 26%)3154(Top 58%)
Finish26.22 mi1.02 mi8784-1131673-811673-8111459(Top 40%)3676(Top 30%)3676(Top 67%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8555

Females

1251

F18-39

1251

5K→10K

3.1 - 6.2 mi

Top 32%
×5story building
+79ft-138ft

Overall

9095

Females

1414

F18-39

1414

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8555

Females

1251

F18-39

1251

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

8740

Females

1417

F18-39

1417

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

9446

Females

1689

F18-39

1689

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

8532

Females

1442

F18-39

1442

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8867

Females

1773

F18-39

1773

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

9296

Females

2114

F18-39

2114

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

9545

Females

2391

F18-39

2391

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

10317

Females

2742

F18-39

2742

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

9163

Females

2324

F18-39

2324

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

9694

Females

2648

F18-39

2648

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10678

Females

3247

F18-39

3247

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10318

Females

3154

F18-39

3154

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

11459

Females

3676

F18-39

3676

Passing Analysis

Category:
Athletes Passed
1522
Passed By
1815
Net Change
-293
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8491
5K → 10K107381-274#8491#8765
10K → 15K211110+101#8765#8664
15K → 20K206144+62#8664#8602
20K → Half2359-36#8602#8638
Half → 25K17089+81#8638#8557
25K → 30K216206+10#8557#8547
30K → 20M9394-1#8547#8548
20M → 21M86108-22#8548#8570
21M → 35K4592-47#8570#8617
35K → 23M14098+42#8617#8575
23M → 24M69105-36#8575#8611
24M → 40K73118-45#8611#8656
40K → 25.2M3752-15#8656#8671
25.2M → Finish46159-113#8671#8784
TOTALS15221815-293
📊

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