Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Niki Miyashiro

Bib: 17362FAge: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 38%
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds
Personalized for Niki

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 · 7:36/mi at mile 6.2

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
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
24:01
3.11 mi
Rank: #14840
Start5K
24:01 | 7:44/mi
10K
47:38
6.21 mi
Rank: #14317 (+523)
5K10K
23:37 | 7:37/mi
15K
1:11:15
9.32 mi
Rank: #14040 (+277)
10K15K
23:37 | 7:37/mi
20K
1:35:00
12.43 mi
Rank: #13810 (+230)
15K20K
23:45 | 7:39/mi
HALF
1:40:12
13.11 mi
Rank: #13819 (-9)
20KHALF
5:12 | 7:38/mi
25K
1:59:04
15.53 mi
Rank: #13776 (+43)
HALF25K
18:52 | 7:47/mi
30K
2:24:52
18.64 mi
Rank: #14131 (-355)
25K30K
25:48 | 8:19/mi
20M
2:36:22
20.00 mi
Rank: #14252 (-121)
30K20M
11:30 | 8:28/mi
21M
2:45:08
21.00 mi
Rank: #14261 (-9)
20M21M
8:46 | 8:46/mi
35K
2:51:15
21.75 mi
Rank: #14287 (-26)
21M35K
6:07 | 8:11/mi
23M
3:01:55
23.00 mi
Rank: #14383 (-96)
35K23M
10:40 | 8:32/mi
24M
3:10:20
24.00 mi
Rank: #14495 (-112)
23M24M
8:25 | 8:25/mi
40K
3:17:32
24.85 mi
Rank: #14537 (-42)
24M40K
7:12 | 8:26/mi
25.2M
3:20:42
25.20 mi
Rank: #14562 (-25)
40K25.2M
3:10 | 9:11/mi
FINISH
3:28:52
26.22 mi
Rank: #14596 (-34)
25.2MFINISH
8:10 | 8:01/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:40:12
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:48:40
Pace8:18 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:5224:017:4424:01
7:44
-
10K
6.21 mi11:29:2947:387:4023:37
7:37
-0:07
15K
9.32 mi11:53:061:11:157:3923:37
7:37
0:00
20K
12.43 mi12:16:511:35:007:3923:45
7:39
+0:02
HALF
13.11 mi12:22:031:40:127:395:12
7:38
-0:01
25K
15.53 mi12:40:551:59:047:4018:52
7:47
+0:09
30K
18.64 mi13:06:432:24:527:4725:48
8:19
+0:32
20M
20.00 mi13:18:132:36:227:5011:30
8:28
+0:09
21M
21.00 mi13:26:592:45:087:528:46
8:46
+0:18
35K
21.75 mi13:33:062:51:157:536:07
8:11
-0:35
23M
23.00 mi13:43:463:01:557:5510:40
8:32
+0:21
24M
24.00 mi13:52:113:10:207:568:25
8:25
-0:07
40K
24.85 mi13:59:233:17:327:577:12
8:26
+0:01
25.2M
25.20 mi14:02:333:20:427:583:10
9:11
+0:45
FINISH
26.22 mi14:10:433:28:527:598:10
8:01
-1:10

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

7:37 /mi

Average Pace

7:58 /mi

Slowest Pace

9:11 /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

1:59:04

57% of race

Time at Steady Pace

48:30

23% of race

Time at Slower Pace

41:18

20% of race

Average Pace: 7:58 /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 mi11:05:5224:017:4424:01
7:44
#14840
10K
6.21 mi11:29:2947:387:4023:37
7:37
#14317
15K
9.32 mi11:53:061:11:157:3923:37
7:37
#14040
20K
12.43 mi12:16:511:35:007:3923:45
7:39
#13810
HALF
13.11 mi12:22:031:40:127:395:12
7:38
#13819
25K
15.53 mi12:40:551:59:047:4018:52
7:47
#13776
30K
18.64 mi13:06:432:24:527:4725:48
8:19
#14131
20M
20.00 mi13:18:132:36:227:5011:30
8:28
#14252
21M
21.00 mi13:26:592:45:087:528:46
8:46
#14261
35K
21.75 mi13:33:062:51:157:536:07
8:11
#14287
23M
23.00 mi13:43:463:01:557:5510:40
8:32
#14383
24M
24.00 mi13:52:113:10:207:568:25
8:25
#14495
40K
24.85 mi13:59:233:17:327:577:12
8:26
#14537
25.2M
25.20 mi14:02:333:20:427:583:10
9:11
#14562
FINISH
26.22 mi14:10:433:28:527:598:10
8:01
#14596
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 mi148404582458213698(Top 47%)3978(Top 32%)3978(Top 70%)
10K6.21 mi3.10 mi14317+5234284+2984284+29813902(Top 48%)4058(Top 32%)4058(Top 71%)
15K9.32 mi3.11 mi14040+2774151+1334151+13313698(Top 47%)3978(Top 32%)3978(Top 70%)
20K12.43 mi3.11 mi13810+2304035+1164035+11613236(Top 46%)3799(Top 30%)3799(Top 66%)
HALF13.11 mi0.68 mi13819-94040-54040-514198(Top 49%)4282(Top 34%)4282(Top 75%)
25K15.53 mi2.42 mi13776+434041-14041-113707(Top 47%)4129(Top 33%)4129(Top 72%)
30K18.64 mi3.11 mi14131-3554284-2434284-24315649(Top 54%)5331(Top 42%)5331(Top 93%)
20M20.00 mi1.36 mi14252-1214374-904374-9016013(Top 55%)5644(Top 45%)5644(Top 99%)
21M21.00 mi1.00 mi14261-94394-204394-2014791(Top 51%)5023(Top 40%)5023(Top 88%)
35K21.75 mi0.75 mi14287-264433-394433-3915655(Top 54%)5547(Top 44%)5547(Top 97%)
23M23.00 mi1.25 mi14383-964527-944527-9415864(Top 55%)5757(Top 46%)5757(Top 101%)
24M24.00 mi1.00 mi14495-1124621-944621-9416405(Top 57%)6129(Top 49%)6129(Top 107%)
40K24.85 mi0.85 mi14537-424668-474668-4715208(Top 52%)5541(Top 44%)5541(Top 97%)
25.2M25.20 mi0.35 mi14562-254691-234691-2315724(Top 54%)5797(Top 46%)5797(Top 101%)
FINISH26.22 mi1.02 mi14596-344725-344725-3415270(Top 53%)5567(Top 44%)5567(Top 97%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21
+97ft-345ft

Overall

13698

Females

3978

F18-39

3978

5K→10K

3.1 - 6.2 mi

Top 48%
×5
+79ft-138ft

Overall

13902

Females

4058

F18-39

4058

10K→15K

6.2 - 9.3 mi

Top 47%
×3
+67ft-78ft

Overall

13698

Females

3978

F18-39

3978

15K→20K

9.3 - 12.4 mi

Top 46%
×5
+106ft-86ft

Overall

13236

Females

3799

F18-39

3799

20K→HALF

12.4 - 13.1 mi

Top 49%
×2
+19ft-37ft

Overall

14198

Females

4282

F18-39

4282

HALF→25K

13.1 - 15.5 mi

Top 47%
×4
+66ft-88ft

Overall

13707

Females

4129

F18-39

4129

25K→30K

15.5 - 18.6 mi

Top 54%
×9
+181ft-148ft

Overall

15649

Females

5331

F18-39

5331

30K→20M

18.6 - 20.0 mi

Top 55%
×5
+64ft-50ft

Overall

16013

Females

5644

F18-39

5644

20M→21M

20.0 - 21.0 mi

Top 51%
×8
+106ft-24ft

Overall

14791

Females

5023

F18-39

5023

21M→35K

21.0 - 21.8 mi

Top 54%
×7
+17ft-86ft

Overall

15655

Females

5547

F18-39

5547

35K→23M

21.8 - 23.0 mi

Top 55%
×5
+23ft-63ft

Overall

15864

Females

5757

F18-39

5757

23M→24M

23.0 - 24.0 mi

Top 57%
×6
+12ft-82ft

Overall

16405

Females

6129

F18-39

6129

24M→40K

24.0 - 24.9 mi

Top 52%
×1
+6ft-20ft

Overall

15208

Females

5541

F18-39

5541

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1
+13ft-16ft

Overall

15724

Females

5797

F18-39

5797

25.2M→FINISH

25.2 - 26.2 mi

Top 53%
×2
+22ft-21ft

Overall

15270

Females

5567

F18-39

5567

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2004*
Passed By
1505
Net Change
+244
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14840
5K10K639*116+523#14840#14317
10K15K352*75+277#14317#14040
15K20K288*58+230#14040#13810
20KHALF3039-9#13810#13819
HALF25K145102+43#13819#13776
25K30K100200-355#13776#14131
30K20M65186-121#14131#14252
20M21M97106-9#14252#14261
21M35K4773-26#14261#14287
35K23M69165-96#14287#14383
23M24M47159-112#14383#14495
24M40K5496-42#14495#14537
40K25.2M2348-25#14537#14562
25.2MFINISH4882-34#14562#14596
TOTALS2004*1505+244

* 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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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