Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Karoline Michelsen

Bib: 17710FAge: N/A

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 39%
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds
Personalized for Karoline

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 7:32/mi at mile 13.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
One-time purchase · Instant access · Downloadable PDF · Shareable report

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
25:48
3.11 mi
Rank: #18902
Start5K
25:48 | 8:19/mi
10K
50:46
6.21 mi
Rank: #18227 (+675)
5K10K
24:58 | 8:03/mi
15K
1:14:55
9.32 mi
Rank: #17335 (+892)
10K15K
24:09 | 7:47/mi
20K
1:39:19
12.43 mi
Rank: #16741 (+594)
15K20K
24:24 | 7:52/mi
HALF
1:44:27
13.11 mi
Rank: #16583 (+158)
20KHALF
5:08 | 7:32/mi
25K
2:03:41
15.53 mi
Rank: #16271 (+312)
HALF25K
19:14 | 7:56/mi
30K
2:28:59
18.64 mi
Rank: #15930 (+341)
25K30K
25:18 | 8:09/mi
20M
2:40:02
20.00 mi
Rank: #15749 (+181)
30K20M
11:03 | 8:09/mi
21M
2:48:31
21.00 mi
Rank: #15555 (+194)
20M21M
8:29 | 8:29/mi
35K
2:54:23
21.75 mi
Rank: #15442 (+113)
21M35K
5:52 | 7:51/mi
23M
3:04:33
23.00 mi
Rank: #15319 (+123)
35K23M
10:10 | 8:08/mi
24M
3:12:39
24.00 mi
Rank: #15271 (+48)
23M24M
8:06 | 8:06/mi
40K
3:19:26
24.85 mi
Rank: #15109 (+162)
24M40K
6:47 | 7:57/mi
25.2M
3:22:22
25.20 mi
Rank: #15052 (+57)
40K25.2M
2:56 | 8:31/mi
FINISH
3:30:03
26.22 mi
Rank: #14945 (+107)
25.2MFINISH
7:41 | 7:33/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:44:27
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:45:36
Pace8:04 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:2825:488:1925:48
8:19
-
10K
6.21 mi11:52:2650:468:1124:58
8:03
-0:16
15K
9.32 mi12:16:351:14:558:0324:09
7:47
-0:16
20K
12.43 mi12:40:591:39:198:0024:24
7:52
+0:05
HALF
13.11 mi12:46:071:44:277:595:08
7:32
-0:20
25K
15.53 mi13:05:212:03:417:5819:14
7:56
+0:24
30K
18.64 mi13:30:392:28:598:0025:18
8:09
+0:13
20M
20.00 mi13:41:422:40:028:0111:03
8:09
0:00
21M
21.00 mi13:50:112:48:318:028:29
8:29
+0:20
35K
21.75 mi13:56:032:54:238:025:52
7:51
-0:38
23M
23.00 mi14:06:133:04:338:0210:10
8:08
+0:17
24M
24.00 mi14:14:193:12:398:028:06
8:06
-0:02
40K
24.85 mi14:21:063:19:268:026:47
7:57
-0:09
25.2M
25.20 mi14:24:023:22:228:022:56
8:31
+0:34
FINISH
26.22 mi14:31:433:30:038:027:41
7:33
-0:58

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

7:32 /mi

Average Pace

8:01 /mi

Slowest Pace

8:31 /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

2:52:50

82% of race

Time at Steady Pace

37:13

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:01 /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 mi11:27:2825:488:1925:48
8:19
#18902
10K
6.21 mi11:52:2650:468:1124:58
8:03
#18227
15K
9.32 mi12:16:351:14:558:0324:09
7:47
#17335
20K
12.43 mi12:40:591:39:198:0024:24
7:52
#16741
HALF
13.11 mi12:46:071:44:277:595:08
7:32
#16583
25K
15.53 mi13:05:212:03:417:5819:14
7:56
#16271
30K
18.64 mi13:30:392:28:598:0025:18
8:09
#15930
20M
20.00 mi13:41:422:40:028:0111:03
8:09
#15749
21M
21.00 mi13:50:112:48:318:028:29
8:29
#15555
35K
21.75 mi13:56:032:54:238:025:52
7:51
#15442
23M
23.00 mi14:06:133:04:338:0210:10
8:08
#15319
24M
24.00 mi14:14:193:12:398:028:06
8:06
#15271
40K
24.85 mi14:21:063:19:268:026:47
7:57
#15109
25.2M
25.20 mi14:24:023:22:228:022:56
8:31
#15052
FINISH
26.22 mi14:31:433:30:038:027:41
7:33
#14945
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi189027029702915134(Top 52%)4828(Top 38%)4828(Top 84%)
10K6.21 mi3.10 mi18227+6756618+4116618+41117515(Top 60%)6209(Top 49%)6209(Top 109%)
15K9.32 mi3.11 mi17335+8926119+4996119+49915134(Top 52%)4828(Top 38%)4828(Top 84%)
20K12.43 mi3.11 mi16741+5945779+3405779+34014961(Top 52%)4773(Top 38%)4773(Top 84%)
HALF13.11 mi0.68 mi16583+1585683+965683+9613359(Top 46%)3804(Top 30%)3804(Top 67%)
25K15.53 mi2.42 mi16271+3125525+1585525+15814869(Top 51%)4802(Top 38%)4802(Top 84%)
30K18.64 mi3.11 mi15930+3415362+1635362+16314544(Top 50%)4706(Top 37%)4706(Top 82%)
20M20.00 mi1.36 mi15749+1815266+965266+9613811(Top 48%)4408(Top 35%)4408(Top 77%)
21M21.00 mi1.00 mi15555+1945172+945172+9413047(Top 45%)4084(Top 32%)4084(Top 71%)
35K21.75 mi0.75 mi15442+1135127+455127+4513426(Top 46%)4337(Top 34%)4337(Top 76%)
23M23.00 mi1.25 mi15319+1235076+515076+5113334(Top 46%)4352(Top 35%)4352(Top 76%)
24M24.00 mi1.00 mi15271+485071+55071+514452(Top 50%)5047(Top 40%)5047(Top 88%)
40K24.85 mi0.85 mi15109+1624996+754996+7512095(Top 42%)3846(Top 31%)3846(Top 67%)
25.2M25.20 mi0.35 mi15052+574969+274969+2711781(Top 41%)3768(Top 30%)3768(Top 66%)
FINISH26.22 mi1.02 mi14945+1074926+434926+4311802(Top 41%)3771(Top 30%)3771(Top 66%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21
+97ft-345ft

Overall

15134

Females

4828

F18-39

4828

5K→10K

3.1 - 6.2 mi

Top 60%
×5
+79ft-138ft

Overall

17515

Females

6209

F18-39

6209

10K→15K

6.2 - 9.3 mi

Top 52%
×3
+67ft-78ft

Overall

15134

Females

4828

F18-39

4828

15K→20K

9.3 - 12.4 mi

Top 52%
×5
+106ft-86ft

Overall

14961

Females

4773

F18-39

4773

20K→HALF

12.4 - 13.1 mi

Top 46%
×2
+19ft-37ft

Overall

13359

Females

3804

F18-39

3804

HALF→25K

13.1 - 15.5 mi

Top 51%
×4
+66ft-88ft

Overall

14869

Females

4802

F18-39

4802

25K→30K

15.5 - 18.6 mi

Top 50%
×9
+181ft-148ft

Overall

14544

Females

4706

F18-39

4706

30K→20M

18.6 - 20.0 mi

Top 48%
×5
+64ft-50ft

Overall

13811

Females

4408

F18-39

4408

20M→21M

20.0 - 21.0 mi

Top 45%
×8
+106ft-24ft

Overall

13047

Females

4084

F18-39

4084

21M→35K

21.0 - 21.8 mi

Top 46%
×7
+17ft-86ft

Overall

13426

Females

4337

F18-39

4337

35K→23M

21.8 - 23.0 mi

Top 46%
×5
+23ft-63ft

Overall

13334

Females

4352

F18-39

4352

23M→24M

23.0 - 24.0 mi

Top 50%
×6
+12ft-82ft

Overall

14452

Females

5047

F18-39

5047

24M→40K

24.0 - 24.9 mi

Top 42%
×1
+6ft-20ft

Overall

12095

Females

3846

F18-39

3846

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1
+13ft-16ft

Overall

11781

Females

3768

F18-39

3768

25.2M→FINISH

25.2 - 26.2 mi

Top 41%
×2
+22ft-21ft

Overall

11802

Females

3771

F18-39

3771

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4269*
Passed By
312
Net Change
+3957
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18902
5K10K747*72+675#18902#18227
10K15K901*9+892#18227#17335
15K20K607*13+594#17335#16741
20KHALF1591+158#16741#16583
HALF25K327*15+312#16583#16271
25K30K382*41+341#16271#15930
30K20M19211+181#15930#15749
20M21M215*21+194#15749#15555
21M35K12714+113#15555#15442
35K23M15734+123#15442#15319
23M24M9446+48#15319#15271
24M40K17210+162#15271#15109
40K25.2M647+57#15109#15052
25.2MFINISH12518+107#15052#14945
TOTALS4269*312+3957

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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