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BOSTON MARATHON 2025

Sonia Ciampalini

Bib: 15744•F

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:16
Rank: #14919
Start → 5K
24:16 | 7:49/mi
10K· 6.21 mi
48:38
Rank: #15025 (-106)
5K → 10K
24:22 | 7:51/mi
15K· 9.32 mi
1:13:09
Rank: #15064 (-39)
10K → 15K
24:31 | 7:53/mi
20K· 12.43 mi
1:38:33
Rank: #15376 (-312)
15K → 20K
25:24 | 8:11/mi
Half· 13.11 mi
1:44:06
Rank: #15461 (-85)
20K → Half
5:33 | 8:08/mi
25K· 15.53 mi
2:05:30
Rank: #16166 (-705)
Half → 25K
21:24 | 8:50/mi
30K· 18.64 mi
2:31:37
Rank: #15775 (+391)
25K → 30K
26:07 | 8:24/mi
20M
2:43:25
Rank: #15635 (+140)
30K → 20M
11:48 | 8:41/mi
21M
2:52:27
Rank: #15482 (+153)
20M → 21M
9:02 | 9:02/mi
35K· 21.75 mi
2:58:32
Rank: #15368 (+114)
21M → 35K
6:05 | 8:08/mi
23M
3:09:17
Rank: #15252 (+116)
35K → 23M
10:45 | 8:35/mi
24M
3:17:47
Rank: #15196 (+56)
23M → 24M
8:30 | 8:30/mi
40K· 24.85 mi
3:24:57
Rank: #15078 (+118)
24M → 40K
7:10 | 8:23/mi
25.2M
3:28:08
Rank: #15025 (+53)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:36:16
Rank: #14906 (+119)
25.2M → Finish
8:08 | 7:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:06
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:52:10
Pace8:33 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:2924:167:4924:16
7:49
-
10K
6.21 mi11:19:5148:387:5024:22
7:51
+0:02
15K
9.32 mi11:44:221:13:097:5124:31
7:53
+0:02
20K
12.43 mi12:09:461:38:337:5625:24
8:11
+0:18
Half
13.11 mi12:15:191:44:067:565:33
8:08
-0:03
25K
15.53 mi12:36:432:05:308:0521:24
8:50
+0:42
30K
18.64 mi13:02:502:31:378:0826:07
8:24
-0:26
20M
20.00 mi13:14:382:43:258:1011:48
8:41
+0:17
21M
21.00 mi13:23:402:52:278:139:02
9:02
+0:21
35K
21.75 mi13:29:452:58:328:136:05
8:08
-0:54
23M
23.00 mi13:40:303:09:178:1410:45
8:35
+0:27
24M
24.00 mi13:49:003:17:478:148:30
8:30
-0:05
40K
24.85 mi13:56:103:24:578:157:10
8:23
-0:07
25.2M
25.20 mi13:59:213:28:088:163:11
9:14
+0:51
Finish
26.22 mi14:07:293:36:168:158:08
7:59
-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

7:49 /mi

Average Pace

8:15 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:51

79% of race

Time at Steady Pace

42:14

20% of race

Time at Slower Pace

3:11

1% of race

Average Pace: 8:15 /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 mi10:55:2924:167:4924:16
7:49
#14919
10K
6.21 mi11:19:5148:387:5024:22
7:51
#15025
15K
9.32 mi11:44:221:13:097:5124:31
7:53
#15064
20K
12.43 mi12:09:461:38:337:5625:24
8:11
#15376
Half
13.11 mi12:15:191:44:067:565:33
8:08
#15461
25K
15.53 mi12:36:432:05:308:0521:24
8:50
#16166
30K
18.64 mi13:02:502:31:378:0826:07
8:24
#15775
20M
20.00 mi13:14:382:43:258:1011:48
8:41
#15635
21M
21.00 mi13:23:402:52:278:139:02
9:02
#15482
35K
21.75 mi13:29:452:58:328:136:05
8:08
#15368
23M
23.00 mi13:40:303:09:178:1410:45
8:35
#15252
24M
24.00 mi13:49:003:17:478:148:30
8:30
#15196
40K
24.85 mi13:56:103:24:578:157:10
8:23
#15078
25.2M
25.20 mi13:59:213:28:088:163:11
9:14
#15025
Finish
26.22 mi14:07:293:36:168:158:08
7:59
#14906
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi149194478447815186(Top 53%)4682(Top 38%)4682(Top 86%)
10K6.21 mi3.10 mi15025-1064565-874565-8715213(Top 54%)4671(Top 38%)4671(Top 85%)
15K9.32 mi3.11 mi15064-394593-284593-2815186(Top 53%)4682(Top 38%)4682(Top 86%)
20K12.43 mi3.11 mi15376-3124793-2004793-20016149(Top 57%)5301(Top 43%)5301(Top 97%)
Half13.11 mi0.68 mi15461-854842-494842-4916866(Top 59%)5669(Top 46%)5669(Top 104%)
25K15.53 mi2.42 mi16166-7055256-4145256-41419063(Top 67%)7004(Top 57%)7004(Top 128%)
30K18.64 mi3.11 mi15775+3915096+1605096+16014180(Top 50%)4476(Top 37%)4476(Top 82%)
20M20.00 mi1.36 mi15635+1405057+395057+3914959(Top 53%)5018(Top 41%)5018(Top 92%)
21M21.00 mi1.00 mi15482+1535006+515006+5113731(Top 48%)4484(Top 37%)4484(Top 82%)
35K21.75 mi0.75 mi15368+1144952+544952+5413193(Top 46%)4277(Top 35%)4277(Top 78%)
23M23.00 mi1.25 mi15252+1164926+264926+2613854(Top 49%)4726(Top 39%)4726(Top 86%)
24M24.00 mi1.00 mi15196+564921+54921+514523(Top 51%)5108(Top 42%)5108(Top 93%)
40K24.85 mi0.85 mi15078+1184882+394882+3912726(Top 45%)4300(Top 35%)4300(Top 79%)
25.2M25.20 mi0.35 mi15025+534864+184864+1813169(Top 46%)4588(Top 38%)4588(Top 84%)
Finish26.22 mi1.02 mi14906+1194821+434821+4312790(Top 45%)4333(Top 35%)4333(Top 79%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

15186

Females

4682

F18-39

4682

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

15213

Females

4671

F18-39

4671

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

15186

Females

4682

F18-39

4682

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

16149

Females

5301

F18-39

5301

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

16866

Females

5669

F18-39

5669

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

19063

Females

7004

F18-39

7004

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

14180

Females

4476

F18-39

4476

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

14959

Females

5018

F18-39

5018

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

13731

Females

4484

F18-39

4484

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

13193

Females

4277

F18-39

4277

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

13854

Females

4726

F18-39

4726

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

14523

Females

5108

F18-39

5108

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12726

Females

4300

F18-39

4300

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

13169

Females

4588

F18-39

4588

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

12790

Females

4333

F18-39

4333

Passing Analysis

Category:
Athletes Passed
2167
Passed By
2154
Net Change
+13
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14919
5K → 10K237343-106#14919#15025
10K → 15K196235-39#15025#15064
15K → 20K117429-312#15064#15376
20K → Half18103-85#15376#15461
Half → 25K44749-705#15461#16166
25K → 30K44453+391#16166#15775
30K → 20M19353+140#15775#15635
20M → 21M19037+153#15635#15482
21M → 35K12511+114#15482#15368
35K → 23M16347+116#15368#15252
23M → 24M10448+56#15252#15196
24M → 40K13214+118#15196#15078
40K → 25.2M6815+53#15078#15025
25.2M → Finish13617+119#15025#14906
TOTALS21672154+13
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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