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BOSTON MARATHON 2025

Erica Dottin

Bib: 5162•F

NY

Masters
Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Age Group (F50-54)
#0 / 1303
Top 50%
Race Day Weather
50°/40°F
broken clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
22:16
Rank: #9222
Start → 5K
22:16 | 7:10/mi
10K· 6.21 mi
45:34
Rank: #10628 (-1406)
5K → 10K
23:18 | 7:30/mi
15K· 9.32 mi
1:10:28
Rank: #12517 (-1889)
10K → 15K
24:54 | 8:01/mi
20K· 12.43 mi
1:36:42
Rank: #14097 (-1580)
15K → 20K
26:14 | 8:27/mi
Half· 13.11 mi
1:42:31
Rank: #14398 (-301)
20K → Half
5:49 | 8:32/mi
25K· 15.53 mi
2:04:51
Rank: #15869 (-1471)
Half → 25K
22:20 | 9:13/mi
30K· 18.64 mi
2:36:56
Rank: #17591 (-1722)
25K → 30K
32:05 | 10:20/mi
20M
2:50:38
Rank: #17980 (-389)
30K → 20M
13:42 | 10:05/mi
21M
3:01:40
Rank: #18311 (-331)
20M → 21M
11:02 | 11:02/mi
35K· 21.75 mi
3:08:48
Rank: #18430 (-119)
21M → 35K
7:08 | 9:32/mi
23M
3:22:15
Rank: #18829 (-399)
35K → 23M
13:27 | 10:45/mi
24M
3:32:29
Rank: #19058 (-229)
23M → 24M
10:14 | 10:14/mi
40K· 24.85 mi
3:41:08
Rank: #19150 (-92)
24M → 40K
8:39 | 10:07/mi
25.2M
3:44:52
Rank: #19168 (-18)
40K → 25.2M
3:44 | 10:50/mi
Finish· 26.22 mi
3:54:15
Rank: #19188 (-20)
25.2M → Finish
9:23 | 9:12/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time1:42:31
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time2:11:44
Pace10:03 /mi
📊Positive Split: 28.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:4122:167:1022:16
7:10
-
10K
6.21 mi10:50:5945:347:2023:18
7:30
+0:20
15K
9.32 mi11:15:531:10:287:3424:54
8:01
+0:31
20K
12.43 mi11:42:071:36:427:4726:14
8:27
+0:26
Half
13.11 mi11:47:561:42:317:495:49
8:32
+0:05
25K
15.53 mi12:10:162:04:518:0222:20
9:13
+0:41
30K
18.64 mi12:42:212:36:568:2532:05
10:20
+1:07
20M
20.00 mi12:56:032:50:388:3213:42
10:05
-0:15
21M
21.00 mi13:07:053:01:408:3911:02
11:02
+0:57
35K
21.75 mi13:14:133:08:488:417:08
9:32
-1:30
23M
23.00 mi13:27:403:22:158:4813:27
10:45
+1:13
24M
24.00 mi13:37:543:32:298:5110:14
10:14
-0:31
40K
24.85 mi13:46:333:41:088:548:39
10:07
-0:07
25.2M
25.20 mi13:50:173:44:528:553:44
10:50
+0:43
Finish
26.22 mi13:59:403:54:158:569:23
9:12
-1:38

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:10 /mi

Average Pace

8:56 /mi

Slowest Pace

11:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:42:31

44% of race

Time at Steady Pace

1:01:12

26% of race

Time at Slower Pace

1:10:32

30% of race

Average Pace: 8:56 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:27:4122:167:1022:16
7:10
#9222
10K
6.21 mi10:50:5945:347:2023:18
7:30
#10628
15K
9.32 mi11:15:531:10:287:3424:54
8:01
#12517
20K
12.43 mi11:42:071:36:427:4726:14
8:27
#14097
Half
13.11 mi11:47:561:42:317:495:49
8:32
#14398
25K
15.53 mi12:10:162:04:518:0222:20
9:13
#15869
30K
18.64 mi12:42:212:36:568:2532:05
10:20
#17591
20M
20.00 mi12:56:032:50:388:3213:42
10:05
#17980
21M
21.00 mi13:07:053:01:408:3911:02
11:02
#18311
35K
21.75 mi13:14:133:08:488:417:08
9:32
#18430
23M
23.00 mi13:27:403:22:158:4813:27
10:45
#18829
24M
24.00 mi13:37:543:32:298:5110:14
10:14
#19058
40K
24.85 mi13:46:333:41:088:548:39
10:07
#19150
25.2M
25.20 mi13:50:173:44:528:553:44
10:50
#19168
Finish
26.22 mi13:59:403:54:158:569:23
9:12
#19188
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi92221472147216169(Top 57%)5242(Top 43%)5242(Top 402%)
10K6.21 mi3.10 mi10628-14062128-6562128-65612114(Top 43%)2885(Top 24%)2885(Top 221%)
15K9.32 mi3.11 mi12517-18893114-9863114-98616169(Top 57%)5242(Top 43%)5242(Top 402%)
20K12.43 mi3.11 mi14097-15804058-9444058-94417851(Top 63%)6264(Top 51%)6264(Top 481%)
Half13.11 mi0.68 mi14398-3014235-1774235-17719428(Top 68%)7149(Top 58%)7149(Top 549%)
25K15.53 mi2.42 mi15869-14715094-8595094-85920808(Top 73%)7979(Top 65%)7979(Top 612%)
30K18.64 mi3.11 mi17591-17226180-10866180-108622531(Top 79%)9061(Top 74%)9061(Top 695%)
20M20.00 mi1.36 mi17980-3896411-2316411-23121218(Top 75%)8475(Top 69%)8475(Top 650%)
21M21.00 mi1.00 mi18311-3316614-2036614-20321499(Top 76%)8701(Top 71%)8701(Top 668%)
35K21.75 mi0.75 mi18430-1196697-836697-8320456(Top 72%)8218(Top 67%)8218(Top 631%)
23M23.00 mi1.25 mi18829-3996957-2606957-26022613(Top 80%)9398(Top 77%)9398(Top 721%)
24M24.00 mi1.00 mi19058-2297100-1437100-14322039(Top 78%)9148(Top 75%)9148(Top 702%)
40K24.85 mi0.85 mi19150-927177-777177-7720840(Top 73%)8575(Top 70%)8575(Top 658%)
25.2M25.20 mi0.35 mi19168-187206-297206-2920137(Top 71%)8227(Top 67%)8227(Top 631%)
Finish26.22 mi1.02 mi19188-207241-357241-3519990(Top 70%)8138(Top 67%)8138(Top 625%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

16169

Females

5242

F50-54

5242

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

12114

Females

2885

F50-54

2885

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

16169

Females

5242

F50-54

5242

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

17851

Females

6264

F50-54

6264

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

19428

Females

7149

F50-54

7149

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

20808

Females

7979

F50-54

7979

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

22531

Females

9061

F50-54

9061

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

21218

Females

8475

F50-54

8475

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21499

Females

8701

F50-54

8701

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

20456

Females

8218

F50-54

8218

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

22613

Females

9398

F50-54

9398

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

22039

Females

9148

F50-54

9148

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20840

Females

8575

F50-54

8575

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20137

Females

8227

F50-54

8227

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

19990

Females

8138

F50-54

8138

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
369
Passed By
10333
Net Change
-9966
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9222
5K → 10K211425-1406#9222#10628
10K → 15K111900-1889#10628#12517
15K → 20K291609-1580#12517#14097
20K → Half0301-301#14097#14398
Half → 25K141485-1471#14398#15869
25K → 30K181740-1722#15869#17591
30K → 20M47436-389#17591#17980
20M → 21M23354-331#17980#18311
21M → 35K29148-119#18311#18430
35K → 23M42441-399#18430#18829
23M → 24M15244-229#18829#19058
24M → 40K47139-92#19058#19150
40K → 25.2M3048-18#19150#19168
25.2M → Finish4363-20#19168#19188
TOTALS36910333-9966
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing