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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Chiemi Muroi

Bib: 24912 •F •Age: N/A

TX

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F55-59)
#0 / 951
Top 32%
Race Day Weather
51°/41°F
overcast clouds
Personalized for Chiemi

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 · 8:23/mi at mile 13.1

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
26:41
3.11 mi
Rank: #20566
Start → 5K
26:41 | 8:36/mi
10K
53:18
6.21 mi
Rank: #20616 (-50)
5K → 10K
26:37 | 8:35/mi
15K
1:19:39
9.32 mi
Rank: #20383 (+233)
10K → 15K
26:21 | 8:29/mi
20K
1:46:10
12.43 mi
Rank: #20155 (+228)
15K → 20K
26:31 | 8:33/mi
HALF
1:51:53
13.11 mi
Rank: #20130 (+25)
20K → HALF
5:43 | 8:24/mi
25K
2:12:35
15.53 mi
Rank: #19922 (+208)
HALF → 25K
20:42 | 8:33/mi
30K
2:40:07
18.64 mi
Rank: #19727 (+195)
25K → 30K
27:32 | 8:52/mi
20M
2:52:04
20.00 mi
Rank: #19581 (+146)
30K → 20M
11:57 | 8:48/mi
21M
3:01:32
21.00 mi
Rank: #19512 (+69)
20M → 21M
9:28 | 9:28/mi
35K
3:08:03
21.75 mi
Rank: #19477 (+35)
21M → 35K
6:31 | 8:43/mi
23M
3:19:24
23.00 mi
Rank: #19433 (+44)
35K → 23M
11:21 | 9:05/mi
24M
3:28:15
24.00 mi
Rank: #19393 (+40)
23M → 24M
8:51 | 8:51/mi
40K
3:36:00
24.85 mi
Rank: #19393
24M → 40K
7:45 | 9:04/mi
25.2M
3:39:27
25.20 mi
Rank: #19397 (-4)
40K → 25.2M
3:27 | 10:01/mi
FINISH
3:48:40
26.22 mi
Rank: #19463 (-66)
25.2M → FINISH
9:13 | 9:03/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:51:53
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time1:56:47
Pace8:55 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:31:4826:418:3626:41
8:36
-
10K
6.21 mi11:58:2553:188:3526:37
8:35
-0:01
15K
9.32 mi12:24:461:19:398:3326:21
8:29
-0:06
20K
12.43 mi12:51:171:46:108:3326:31
8:33
+0:04
HALF
13.11 mi12:57:001:51:538:335:43
8:24
-0:09
25K
15.53 mi13:17:422:12:358:3320:42
8:33
+0:09
30K
18.64 mi13:45:142:40:078:3627:32
8:52
+0:19
20M
20.00 mi13:57:112:52:048:3711:57
8:48
-0:04
21M
21.00 mi14:06:393:01:328:399:28
9:28
+0:40
35K
21.75 mi14:13:103:08:038:396:31
8:43
-0:45
23M
23.00 mi14:24:313:19:248:4111:21
9:05
+0:22
24M
24.00 mi14:33:223:28:158:418:51
8:51
-0:14
40K
24.85 mi14:41:073:36:008:427:45
9:04
+0:13
25.2M
25.20 mi14:44:343:39:278:433:27
10:01
+0:57
FINISH
26.22 mi14:53:473:48:408:449:13
9:03
-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

8:24 /mi

Average Pace

8:44 /mi

Slowest Pace

10:01 /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

3:35:45

94% of race

Time at Steady Pace

9:28

4% of race

Time at Slower Pace

3:27

2% of race

Average Pace: 8:43 /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 mi11:31:4826:418:3626:41
8:36
#20566
10K
6.21 mi11:58:2553:188:3526:37
8:35
#20616
15K
9.32 mi12:24:461:19:398:3326:21
8:29
#20383
20K
12.43 mi12:51:171:46:108:3326:31
8:33
#20155
HALF
13.11 mi12:57:001:51:538:335:43
8:24
#20130
25K
15.53 mi13:17:422:12:358:3320:42
8:33
#19922
30K
18.64 mi13:45:142:40:078:3627:32
8:52
#19727
20M
20.00 mi13:57:112:52:048:3711:57
8:48
#19581
21M
21.00 mi14:06:393:01:328:399:28
9:28
#19512
35K
21.75 mi14:13:103:08:038:396:31
8:43
#19477
23M
23.00 mi14:24:313:19:248:4111:21
9:05
#19433
24M
24.00 mi14:33:223:28:158:418:51
8:51
#19393
40K
24.85 mi14:41:073:36:008:427:45
9:04
#19393
25.2M
25.20 mi14:44:343:39:278:433:27
10:01
#19397
FINISH
26.22 mi14:53:473:48:408:449:13
9:03
#19463
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi205667943794320044(Top 69%)7614(Top 61%)7614(Top 801%)
10K6.21 mi3.10 mi20616-507949-67949-620719(Top 71%)7981(Top 63%)7981(Top 839%)
15K9.32 mi3.11 mi20383+2337809+1407809+14020044(Top 69%)7614(Top 61%)7614(Top 801%)
20K12.43 mi3.11 mi20155+2287711+987711+9819515(Top 67%)7374(Top 59%)7374(Top 775%)
HALF13.11 mi0.68 mi20130+257697+147697+1419598(Top 68%)7377(Top 59%)7377(Top 776%)
25K15.53 mi2.42 mi19922+2087587+1107587+11018796(Top 65%)7014(Top 56%)7014(Top 738%)
30K18.64 mi3.11 mi19727+1957506+817506+8118910(Top 65%)7166(Top 57%)7166(Top 754%)
20M20.00 mi1.36 mi19581+1467442+647442+6417993(Top 62%)6757(Top 54%)6757(Top 711%)
21M21.00 mi1.00 mi19512+697423+197423+1918388(Top 63%)7008(Top 56%)7008(Top 737%)
35K21.75 mi0.75 mi19477+357415+87415+818706(Top 64%)7264(Top 58%)7264(Top 764%)
23M23.00 mi1.25 mi19433+447414+17414+118853(Top 65%)7402(Top 59%)7402(Top 778%)
24M24.00 mi1.00 mi19393+407413+17413+118803(Top 65%)7418(Top 59%)7418(Top 780%)
40K24.85 mi0.85 mi193937423-107423-1018722(Top 65%)7436(Top 59%)7436(Top 782%)
25.2M25.20 mi0.35 mi19397-47428-57428-519467(Top 67%)7800(Top 62%)7800(Top 820%)
FINISH26.22 mi1.02 mi19463-667479-517479-5120722(Top 71%)8426(Top 67%)8426(Top 886%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21
+97ft-345ft

Overall

20044

Females

7614

F55-59

7614

5K→10K

3.1 - 6.2 mi

Top 71%
×5
+79ft-138ft

Overall

20719

Females

7981

F55-59

7981

10K→15K

6.2 - 9.3 mi

Top 69%
×3
+67ft-78ft

Overall

20044

Females

7614

F55-59

7614

15K→20K

9.3 - 12.4 mi

Top 67%
×5
+106ft-86ft

Overall

19515

Females

7374

F55-59

7374

20K→HALF

12.4 - 13.1 mi

Top 68%
×2
+19ft-37ft

Overall

19598

Females

7377

F55-59

7377

HALF→25K

13.1 - 15.5 mi

Top 65%
×4
+66ft-88ft

Overall

18796

Females

7014

F55-59

7014

25K→30K

15.5 - 18.6 mi

Top 65%
×9
+181ft-148ft

Overall

18910

Females

7166

F55-59

7166

30K→20M

18.6 - 20.0 mi

Top 62%
×5
+64ft-50ft

Overall

17993

Females

6757

F55-59

6757

20M→21M

20.0 - 21.0 mi

Top 63%
×8
+106ft-24ft

Overall

18388

Females

7008

F55-59

7008

21M→35K

21.0 - 21.8 mi

Top 64%
×7
+17ft-86ft

Overall

18706

Females

7264

F55-59

7264

35K→23M

21.8 - 23.0 mi

Top 65%
×5
+23ft-63ft

Overall

18853

Females

7402

F55-59

7402

23M→24M

23.0 - 24.0 mi

Top 65%
×6
+12ft-82ft

Overall

18803

Females

7418

F55-59

7418

24M→40K

24.0 - 24.9 mi

Top 65%
×1
+6ft-20ft

Overall

18722

Females

7436

F55-59

7436

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1
+13ft-16ft

Overall

19467

Females

7800

F55-59

7800

25.2M→FINISH

25.2 - 26.2 mi

Top 71%
×2
+22ft-21ft

Overall

20722

Females

8426

F55-59

8426

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2024*
Passed By
871
Net Change
+1103
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20566
5K → 10K200200-50#20566#20616
10K → 15K342*109+233#20616#20383
15K → 20K282*54+228#20383#20155
20K → HALF3813+25#20155#20130
HALF → 25K224*16+208#20130#19922
25K → 30K277*82+195#19922#19727
30K → 20M15913+146#19727#19581
20M → 21M12657+69#19581#19512
21M → 35K6934+35#19512#19477
35K → 23M10965+44#19477#19433
23M → 24M7636+40#19433#19393
24M → 40K64640#19393#19393
40K → 25.2M2529-4#19393#19397
25.2M → FINISH3399-66#19397#19463
TOTALS2024*871+1103

* 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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