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BOSTON MARATHON 2025

Caroline Butts

Bib: 26984•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
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
9:45/mi
30:18
↑ 97↓ 3451.5%
10K· 6.21 mi
9:29/mi
59:46
↑ 79↓ 1380.4%
15K· 9.32 mi
9:28/mi
1:29:11
↑ 67↓ 78
20K· 12.43 mi
9:48/mi
1:59:38
↑ 106↓ 860.1%
Half· 13.11 mi
9:43/mi
2:06:16
↑ 19↓ 370.5%
25K· 15.53 mi
10:05/mi
2:30:42
↑ 66↓ 880.2%
30K· 18.64 mi
10:14/mi
3:02:31
↑ 181↓ 1480.2%
20M
9:53/mi
3:15:57
↑ 64↓ 500.2%
21M
10:11/mi
3:26:08
↑ 106↓ 241.6%
35K· 21.75 mi
9:25/mi
3:33:11
↑ 17↓ 861.7%
23M
9:41/mi
3:45:19
↑ 23↓ 630.6%
24M
9:34/mi
3:54:53
↓ 821.3%
40K· 24.85 mi
9:35/mi
4:03:05
↓ 200.3%
25.2M
9:40/mi
4:06:25
↑ 13↓ 160.2%
Finish· 26.22 mi
9:20/mi
4:15:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:16
Pace9:38 /mi
2nd Half
Distance13.11 mi
Time2:09:40
Pace9:53 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:4830:189:4530:18
9:45
-
10K
6.21 mi12:16:1659:469:3729:28
9:29
-0:16
15K
9.32 mi12:45:411:29:119:3429:25
9:28
-0:01
20K
12.43 mi13:16:081:59:389:3830:27
9:48
+0:20
Half
13.11 mi13:22:462:06:169:386:38
9:43
-0:05
25K
15.53 mi13:47:122:30:429:4224:26
10:05
+0:22
30K
18.64 mi14:19:013:02:319:4731:49
10:14
+0:09
20M
20.00 mi14:32:273:15:579:4813:26
9:53
-0:21
21M
21.00 mi14:42:383:26:089:4910:11
10:11
+0:18
35K
21.75 mi14:49:413:33:119:487:03
9:25
-0:46
23M
23.00 mi15:01:493:45:199:4812:08
9:41
+0:16
24M
24.00 mi15:11:233:54:539:479:34
9:34
-0:07
40K
24.85 mi15:19:354:03:059:478:12
9:35
+0:01
25.2M
25.20 mi15:22:554:06:259:473:20
9:40
+0:05
Finish
26.22 mi15:32:264:15:569:469:31
9:20
-0:20

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

9:20 /mi

Average Pace

9:46 /mi

Slowest Pace

10:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:37

57% of race

Time at Steady Pace

1:50:19

43% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:46 /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 mi11:46:4830:189:4530:18
9:45
#24983
10K
6.21 mi12:16:1659:469:3729:28
9:29
#24503
15K
9.32 mi12:45:411:29:119:3429:25
9:28
#24229
20K
12.43 mi13:16:081:59:389:3830:27
9:48
#24101
Half
13.11 mi13:22:462:06:169:386:38
9:43
#24101
25K
15.53 mi13:47:122:30:429:4224:26
10:05
#23979
30K
18.64 mi14:19:013:02:319:4731:49
10:14
#23638
20M
20.00 mi14:32:273:15:579:4813:26
9:53
#23428
21M
21.00 mi14:42:383:26:089:4910:11
10:11
#23191
35K
21.75 mi14:49:413:33:119:487:03
9:25
#23084
23M
23.00 mi15:01:493:45:199:4812:08
9:41
#22878
24M
24.00 mi15:11:233:54:539:479:34
9:34
#22748
40K
24.85 mi15:19:354:03:059:478:12
9:35
#22616
25.2M
25.20 mi15:22:554:06:259:473:20
9:40
#22546
Finish
26.22 mi15:32:264:15:569:469:31
9:20
#22469
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24983102011020123651(Top 83%)9463(Top 77%)9463(Top 173%)
10K6.21 mi3.10 mi24503+4809951+2509951+25024064(Top 85%)9720(Top 79%)9720(Top 178%)
15K9.32 mi3.11 mi24229+2749805+1469805+14623651(Top 83%)9463(Top 77%)9463(Top 173%)
20K12.43 mi3.11 mi24101+1289745+609745+6023769(Top 84%)9583(Top 78%)9583(Top 175%)
Half13.11 mi0.68 mi241019751-69751-624173(Top 85%)9793(Top 80%)9793(Top 179%)
25K15.53 mi2.42 mi23979+1229686+659686+6523446(Top 83%)9449(Top 77%)9449(Top 173%)
30K18.64 mi3.11 mi23638+3419533+1539533+15322296(Top 78%)8937(Top 73%)8937(Top 163%)
20M20.00 mi1.36 mi23428+2109432+1019432+10120593(Top 73%)8137(Top 67%)8137(Top 149%)
21M21.00 mi1.00 mi23191+2379328+1049328+10418993(Top 67%)7335(Top 60%)7335(Top 134%)
35K21.75 mi0.75 mi23084+1079281+479281+4720085(Top 71%)8035(Top 66%)8035(Top 147%)
23M23.00 mi1.25 mi22878+2069197+849197+8419426(Top 68%)7747(Top 63%)7747(Top 142%)
24M24.00 mi1.00 mi22748+1309143+549143+5419886(Top 70%)8030(Top 66%)8030(Top 147%)
40K24.85 mi0.85 mi22616+1329096+479096+4719091(Top 67%)7684(Top 63%)7684(Top 141%)
25.2M25.20 mi0.35 mi22546+709062+349062+3415564(Top 55%)5888(Top 48%)5888(Top 108%)
Finish26.22 mi1.02 mi22469+779043+199043+1920570(Top 72%)8437(Top 69%)8437(Top 154%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

23651

Females

9463

F18-39

9463

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

24064

Females

9720

F18-39

9720

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

23651

Females

9463

F18-39

9463

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

23769

Females

9583

F18-39

9583

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

24173

Females

9793

F18-39

9793

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

23446

Females

9449

F18-39

9449

25K→30K

15.5 - 18.6 mi

Top 78%
×9story building
+181ft-148ft

Overall

22296

Females

8937

F18-39

8937

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

20593

Females

8137

F18-39

8137

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

18993

Females

7335

F18-39

7335

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

20085

Females

8035

F18-39

8035

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

19426

Females

7747

F18-39

7747

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

19886

Females

8030

F18-39

8030

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

19091

Females

7684

F18-39

7684

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15564

Females

5888

F18-39

5888

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

20570

Females

8437

F18-39

8437

Passing Analysis

Category:
Athletes Passed
2813
Passed By
299
Net Change
+2514
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24983
5K → 10K52242+480#24983#24503
10K → 15K31743+274#24503#24229
15K → 20K19769+128#24229#24101
20K → Half24240#24101#24101
Half → 25K18664+122#24101#23979
25K → 30K35716+341#23979#23638
30K → 20M2166+210#23638#23428
20M → 21M2392+237#23428#23191
21M → 35K1103+107#23191#23084
35K → 23M2093+206#23084#22878
23M → 24M1333+130#22878#22748
24M → 40K1375+132#22748#22616
40K → 25.2M700+70#22616#22546
25.2M → Finish9619+77#22546#22469
TOTALS2813299+2514
📊

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