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BOSTON MARATHON 2025

Caroline Daniel

TN

Bib: 13524 F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 30%
Gender (Female)
#0 / 12228
Top 13%
Division (F18-39)
#0 / 5469
Top 23%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:28/mi
23:12
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:33/mi
46:39
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:20/mi
1:09:26
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:22/mi
1:32:18
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:15/mi
1:37:15
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:22/mi
1:55:07
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:33/mi
2:18:35
↑ 181↓ 1480.2%
138 ft elev
20M
7:27/mi
2:28:42
↑ 64↓ 500.2%
148 ft elev
21M
8:19/mi
2:37:01
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:02/mi
2:42:17
↑ 17↓ 861.7%
156 ft elev
23M
7:22/mi
2:51:31
↑ 23↓ 630.6%
116 ft elev
24M
7:12/mi
2:58:43
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:33/mi
3:05:10
↓ 200.3%
20 ft elev
25.2M
8:04/mi
3:07:57
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:49/mi
3:14:54
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:37:15
Pace7:25 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:37:39
Pace7:27 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5723:127:2823:12
7:28
-
10K
6.21 mi11:15:2446:397:3023:27
7:33
+0:05
15K
9.32 mi11:38:111:09:267:2722:47
7:20
-0:13
20K
12.43 mi12:01:031:32:187:2622:52
7:22
+0:02
Half
13.11 mi12:06:001:37:157:254:57
7:15
-0:07
25K
15.53 mi12:23:521:55:077:2517:52
7:22
+0:07
30K
18.64 mi12:47:202:18:357:2623:28
7:33
+0:11
20M
20.00 mi12:57:272:28:427:2610:07
7:27
-0:06
21M
21.00 mi13:05:462:37:017:298:19
8:19
+0:52
35K
21.75 mi13:11:022:42:177:285:16
7:02
-1:17
23M
23.00 mi13:20:162:51:317:279:14
7:22
+0:20
24M
24.00 mi13:27:282:58:437:277:12
7:12
-0:10
40K
24.85 mi13:33:553:05:107:276:27
7:33
+0:21
25.2M
25.20 mi13:36:423:07:577:282:47
8:04
+0:31
Finish
26.22 mi13:43:393:14:547:266:57
6:49
-1:15

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

6:49 /mi

Average Pace

7:26 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

12:13

6% of race

Time at Steady Pace

1:58:13

61% of race

Time at Slower Pace

1:04:28

33% of race

Average Pace: 7:26 /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 mi10:51:5723:127:2823:12
7:28
#11956
10K
6.21 mi11:15:2446:397:3023:27
7:33
#12198
15K
9.32 mi11:38:111:09:267:2722:47
7:20
#11528
20K
12.43 mi12:01:031:32:187:2622:52
7:22
#10994
Half
13.11 mi12:06:001:37:157:254:57
7:15
#10910
25K
15.53 mi12:23:521:55:077:2517:52
7:22
#10551
30K
18.64 mi12:47:202:18:357:2623:28
7:33
#10004
20M
20.00 mi12:57:272:28:427:2610:07
7:27
#9674
21M
21.00 mi13:05:462:37:017:298:19
8:19
#9613
35K
21.75 mi13:11:022:42:177:285:16
7:02
#9422
23M
23.00 mi13:20:162:51:317:279:14
7:22
#9119
24M
24.00 mi13:27:282:58:437:277:12
7:12
#8926
40K
24.85 mi13:33:553:05:107:276:27
7:33
#8810
25.2M
25.20 mi13:36:423:07:577:282:47
8:04
#8731
Finish
26.22 mi13:43:393:14:547:266:57
6:49
#8519
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11956276927691027320062006
10K6.21 mi3.10 mi12198-2422908-1392908-1391254131083108
15K9.32 mi3.11 mi11528+6702591+3172591+3171027320062006
20K12.43 mi3.11 mi10994+5342334+2572334+257955717591759
Half13.11 mi0.68 mi10910+842296+382296+38964717751775
25K15.53 mi2.42 mi10551+3592155+1412155+141891415981598
30K18.64 mi3.11 mi10004+5471954+2011954+201811814401440
20M20.00 mi1.36 mi9674+3301846+1081846+108668810401040
21M21.00 mi1.00 mi9613+611844+21844+2934022992299
35K21.75 mi0.75 mi9422+1911784+601784+605707842842
23M23.00 mi1.25 mi9119+3031691+931691+93593210041004
24M24.00 mi1.00 mi8926+1931644+471644+47586710241024
40K24.85 mi0.85 mi8810+1161636+81636+8708315851585
25.2M25.20 mi0.35 mi8731+791617+191617+19640114041404
Finish26.22 mi1.02 mi8519+2121551+661551+664660755755

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

10273

Females

2006

F18-39

2006

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

12541

Females

3108

F18-39

3108

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

10273

Females

2006

F18-39

2006

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9557

Females

1759

F18-39

1759

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

9647

Females

1775

F18-39

1775

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8914

Females

1598

F18-39

1598

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

8118

Females

1440

F18-39

1440

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6688

Females

1040

F18-39

1040

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

9340

Females

2299

F18-39

2299

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5707

Females

842

F18-39

842

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5932

Females

1004

F18-39

1004

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

5867

Females

1024

F18-39

1024

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7083

Females

1585

F18-39

1585

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6401

Females

1404

F18-39

1404

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4660

Females

755

F18-39

755

Passing Analysis

Category:
Athletes Passed
3991
Passed By
554
Net Change
+3437
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11956
5K → 10K157399-242#11956#12198
10K → 15K68111+670#12198#11528
15K → 20K54511+534#11528#10994
20K → Half895+84#10994#10910
Half → 25K36910+359#10910#10551
25K → 30K56316+547#10551#10004
30K → 20M3355+330#10004#9674
20M → 21M11655+61#9674#9613
21M → 35K1921+191#9613#9422
35K → 23M3063+303#9422#9119
23M → 24M2018+193#9119#8926
24M → 40K13216+116#8926#8810
40K → 25.2M8910+79#8810#8731
25.2M → Finish2164+212#8731#8519
TOTALS3991554+3437

Passing Charts

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