Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Samantha Jaramillo Koelewyn

Bib: 15865 β€’F β€’Age: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 36%
Gender (Female)
#0 / 12578
Top 20%
Masters (Masters Women)
#0 / 6862
Top 7%
Age Group (F40-44)
#0 / 1737
Top 15%
Race Day Weather
51Β°/41Β°F
overcast clouds
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  • Segment-by-segment breakdown
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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
22:08
3.11 mi
Rank: #9556
Start β†’ 5K
22:08 | 7:08/mi
10K
44:25
6.21 mi
Rank: #9756 (-200)
5K β†’ 10K
22:17 | 7:11/mi
15K
1:06:48
9.32 mi
Rank: #9843 (-87)
10K β†’ 15K
22:23 | 7:13/mi
20K
1:29:23
12.43 mi
Rank: #9828 (+15)
15K β†’ 20K
22:35 | 7:17/mi
HALF
1:34:13
13.11 mi
Rank: #9801 (+27)
20K β†’ HALF
4:50 | 7:06/mi
25K
1:52:18
15.53 mi
Rank: #9980 (-179)
HALF β†’ 25K
18:05 | 7:28/mi
30K
2:16:39
18.64 mi
Rank: #10331 (-351)
25K β†’ 30K
24:21 | 7:51/mi
20M
2:27:09
20.00 mi
Rank: #10356 (-25)
30K β†’ 20M
10:30 | 7:44/mi
21M
2:36:14
21.00 mi
Rank: #10783 (-427)
20M β†’ 21M
9:05 | 9:05/mi
35K
2:41:38
21.75 mi
Rank: #10683 (+100)
21M β†’ 35K
5:24 | 7:14/mi
23M
2:51:24
23.00 mi
Rank: #10655 (+28)
35K β†’ 23M
9:46 | 7:49/mi
24M
2:58:59
24.00 mi
Rank: #10629 (+26)
23M β†’ 24M
7:35 | 7:35/mi
40K
3:05:25
24.85 mi
Rank: #10547 (+82)
24M β†’ 40K
6:26 | 7:32/mi
25.2M
3:08:11
25.20 mi
Rank: #10494 (+53)
40K β†’ 25.2M
2:46 | 8:02/mi
FINISH
3:15:53
26.22 mi
Rank: #10513 (-19)
25.2M β†’ FINISH
7:42 | 7:34/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:34:13
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:41:40
Pace7:46 /mi
πŸ“ŠPositive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1922:087:0822:08
7:08
-
10K
6.21 mi11:16:3644:257:0922:17
7:11
+0:03
15K
9.32 mi11:38:591:06:487:1122:23
7:13
+0:02
20K
12.43 mi12:01:341:29:237:1222:35
7:17
+0:04
HALF
13.11 mi12:06:241:34:137:124:50
7:06
-0:11
25K
15.53 mi12:24:291:52:187:1418:05
7:28
+0:22
30K
18.64 mi12:48:502:16:397:2024:21
7:51
+0:23
20M
20.00 mi12:59:202:27:097:2210:30
7:44
-0:07
21M
21.00 mi13:08:252:36:147:279:05
9:05
+1:21
35K
21.75 mi13:13:492:41:387:265:24
7:14
-1:51
23M
23.00 mi13:23:352:51:247:289:46
7:49
+0:35
24M
24.00 mi13:31:102:58:597:287:35
7:35
-0:14
40K
24.85 mi13:37:363:05:257:286:26
7:32
-0:03
25.2M
25.20 mi13:40:223:08:117:292:46
8:02
+0:30
FINISH
26.22 mi13:48:043:15:537:297:42
7:34
-0:28

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

7:06 /mi

Average Pace

7:29 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

1:39:37

51% of race

Time at Steady Pace

50:18

26% of race

Time at Slower Pace

45:58

23% of race

Average Pace: 7:28 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:54:1922:087:0822:08
7:08
#9556
10K
6.21 mi11:16:3644:257:0922:17
7:11
#9756
15K
9.32 mi11:38:591:06:487:1122:23
7:13
#9843
20K
12.43 mi12:01:341:29:237:1222:35
7:17
#9828
HALF
13.11 mi12:06:241:34:137:124:50
7:06
#9801
25K
15.53 mi12:24:291:52:187:1418:05
7:28
#9980
30K
18.64 mi12:48:502:16:397:2024:21
7:51
#10331
20M
20.00 mi12:59:202:27:097:2210:30
7:44
#10356
21M
21.00 mi13:08:252:36:147:279:05
9:05
#10783
35K
21.75 mi13:13:492:41:387:265:24
7:14
#10683
23M
23.00 mi13:23:352:51:247:289:46
7:49
#10655
24M
24.00 mi13:31:102:58:597:287:35
7:35
#10629
40K
24.85 mi13:37:363:05:257:286:26
7:32
#10547
25.2M
25.20 mi13:40:223:08:117:292:46
8:02
#10494
FINISH
26.22 mi13:48:043:15:537:297:42
7:34
#10513
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi95561669166910195(Top 35%)2055(Top 16%)2055(Top 118%)
10K6.21 mi3.10 mi9756-2001772-1031772-10310043(Top 35%)1932(Top 15%)1932(Top 111%)
15K9.32 mi3.11 mi9843-871833-611833-6110195(Top 35%)2055(Top 16%)2055(Top 118%)
20K12.43 mi3.11 mi9828+151854-211854-219926(Top 34%)2012(Top 16%)2012(Top 116%)
HALF13.11 mi0.68 mi9801+271845+91845+99462(Top 33%)1741(Top 14%)1741(Top 100%)
25K15.53 mi2.42 mi9980-1791970-1251970-12511074(Top 38%)2671(Top 21%)2671(Top 154%)
30K18.64 mi3.11 mi10331-3512210-2402210-24012247(Top 42%)3443(Top 27%)3443(Top 198%)
20M20.00 mi1.36 mi10356-252246-362246-3610845(Top 37%)2803(Top 22%)2803(Top 161%)
21M21.00 mi1.00 mi10783-4272489-2432489-24316562(Top 57%)5995(Top 48%)5995(Top 345%)
35K21.75 mi0.75 mi10683+1002458+312458+318748(Top 30%)1906(Top 15%)1906(Top 110%)
23M23.00 mi1.25 mi10655+282483-252483-2511066(Top 38%)3136(Top 25%)3136(Top 181%)
24M24.00 mi1.00 mi10629+262487-42487-410756(Top 37%)3040(Top 24%)3040(Top 175%)
40K24.85 mi0.85 mi10547+822462+252462+259069(Top 31%)2313(Top 18%)2313(Top 133%)
25.2M25.20 mi0.35 mi10494+532447+152447+158586(Top 30%)2160(Top 17%)2160(Top 124%)
FINISH26.22 mi1.02 mi10513-192473-262473-2611887(Top 41%)3797(Top 30%)3797(Top 219%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
Γ—21
+97ft-345ft

Overall

10195

Females

2055

F40-44

2055

5K→10K

3.1 - 6.2 mi

Top 35%
Γ—5
+79ft-138ft

Overall

10043

Females

1932

F40-44

1932

10K→15K

6.2 - 9.3 mi

Top 35%
Γ—3
+67ft-78ft

Overall

10195

Females

2055

F40-44

2055

15K→20K

9.3 - 12.4 mi

Top 34%
Γ—5
+106ft-86ft

Overall

9926

Females

2012

F40-44

2012

20K→HALF

12.4 - 13.1 mi

Top 33%
Γ—2
+19ft-37ft

Overall

9462

Females

1741

F40-44

1741

HALF→25K

13.1 - 15.5 mi

Top 38%
Γ—4
+66ft-88ft

Overall

11074

Females

2671

F40-44

2671

25K→30K

15.5 - 18.6 mi

Top 42%
Γ—9
+181ft-148ft

Overall

12247

Females

3443

F40-44

3443

30K→20M

18.6 - 20.0 mi

Top 37%
Γ—5
+64ft-50ft

Overall

10845

Females

2803

F40-44

2803

20M→21M

20.0 - 21.0 mi

Top 57%
Γ—8
+106ft-24ft

Overall

16562

Females

5995

F40-44

5995

21M→35K

21.0 - 21.8 mi

Top 30%
Γ—7
+17ft-86ft

Overall

8748

Females

1906

F40-44

1906

35K→23M

21.8 - 23.0 mi

Top 38%
Γ—5
+23ft-63ft

Overall

11066

Females

3136

F40-44

3136

23M→24M

23.0 - 24.0 mi

Top 37%
Γ—6
+12ft-82ft

Overall

10756

Females

3040

F40-44

3040

24M→40K

24.0 - 24.9 mi

Top 31%
Γ—1
+6ft-20ft

Overall

9069

Females

2313

F40-44

2313

40K→25.2M

24.9 - 25.2 mi

Top 30%
Γ—1
+13ft-16ft

Overall

8586

Females

2160

F40-44

2160

25.2M→FINISH

25.2 - 26.2 mi

Top 41%
Γ—2
+22ft-21ft

Overall

11887

Females

3797

F40-44

3797

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1363
Passed By
1566
Net Change
-957
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#9556
5K β†’ 10K158200-200#9556#9756
10K β†’ 15K151200-87#9756#9843
15K β†’ 20K165149+15#9843#9828
20K β†’ HALF4316+27#9828#9801
HALF β†’ 25K70200-179#9801#9980
25K β†’ 30K109200-351#9980#10331
30K β†’ 20M91116-25#10331#10356
20M β†’ 21M21200-427#10356#10783
21M β†’ 35K11515+100#10783#10683
35K β†’ 23M11890+28#10683#10655
23M β†’ 24M9569+26#10655#10629
24M β†’ 40K10826+82#10629#10547
40K β†’ 25.2M596+53#10547#10494
25.2M β†’ FINISH6079-19#10494#10513
TOTALS13631566-957
πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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