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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Naoko Kiuchi

Bib: 24948 β€’F β€’Age: N/A

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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
Race Day Weather
51Β°/41Β°F
overcast 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
27:57
3.11 mi
Rank: #22652
Start β†’ 5K
27:57 | 9:00/mi
10K
57:30
6.21 mi
Rank: #23737 (-1085)
5K β†’ 10K
29:33 | 9:31/mi
15K
1:26:38
9.32 mi
Rank: #23898 (-161)
10K β†’ 15K
29:08 | 9:23/mi
20K
1:57:26
12.43 mi
Rank: #24170 (-272)
15K β†’ 20K
30:48 | 9:55/mi
HALF
2:03:58
13.11 mi
Rank: #24188 (-18)
20K β†’ HALF
6:32 | 9:36/mi
25K
2:27:39
15.53 mi
Rank: #24115 (+73)
HALF β†’ 25K
23:41 | 9:46/mi
30K
2:59:55
18.64 mi
Rank: #24068 (+47)
25K β†’ 30K
32:16 | 10:24/mi
20M
3:13:42
20.00 mi
Rank: #23976 (+92)
30K β†’ 20M
13:47 | 10:09/mi
21M
3:24:40
21.00 mi
Rank: #23897 (+79)
20M β†’ 21M
10:58 | 10:58/mi
35K
3:31:41
21.75 mi
Rank: #23803 (+94)
21M β†’ 35K
7:01 | 9:23/mi
23M
3:44:00
23.00 mi
Rank: #23665 (+138)
35K β†’ 23M
12:19 | 9:51/mi
24M
3:53:34
24.00 mi
Rank: #23572 (+93)
23M β†’ 24M
9:34 | 9:34/mi
40K
4:01:53
24.85 mi
Rank: #23458 (+114)
24M β†’ 40K
8:19 | 9:44/mi
25.2M
4:05:33
25.20 mi
Rank: #23418 (+40)
40K β†’ 25.2M
3:40 | 10:38/mi
FINISH
4:15:12
26.22 mi
Rank: #23348 (+70)
25.2M β†’ FINISH
9:39 | 9:29/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
Time2:03:58
Pace9:28 /mi
2nd Half
Distance13.11 mi
Time2:11:14
Pace10:01 /mi
πŸ“ŠPositive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:33:3027:579:0027:57
9:00
-
10K
6.21 mi12:03:0357:309:1629:33
9:31
+0:31
15K
9.32 mi12:32:111:26:389:1829:08
9:23
-0:08
20K
12.43 mi13:02:591:57:269:2730:48
9:55
+0:32
HALF
13.11 mi13:09:312:03:589:286:32
9:36
-0:19
25K
15.53 mi13:33:122:27:399:3123:41
9:46
+0:10
30K
18.64 mi14:05:282:59:559:4032:16
10:24
+0:38
20M
20.00 mi14:19:153:13:429:4213:47
10:09
-0:15
21M
21.00 mi14:30:133:24:409:4510:58
10:58
+0:49
35K
21.75 mi14:37:143:31:419:457:01
9:23
-1:35
23M
23.00 mi14:49:333:44:009:4512:19
9:51
+0:28
24M
24.00 mi14:59:073:53:349:449:34
9:34
-0:17
40K
24.85 mi15:07:264:01:539:448:19
9:44
+0:10
25.2M
25.20 mi15:11:064:05:339:453:40
10:38
+0:54
FINISH
26.22 mi15:20:454:15:129:459:39
9:29
-1:09

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

9:00 /mi

Average Pace

9:44 /mi

Slowest Pace

10:58 /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

1:04:06

25% of race

Time at Steady Pace

2:10:25

51% of race

Time at Slower Pace

1:00:41

24% of race

Average Pace: 9:44 /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 mi11:33:3027:579:0027:57
9:00
#22652
10K
6.21 mi12:03:0357:309:1629:33
9:31
#23737
15K
9.32 mi12:32:111:26:389:1829:08
9:23
#23898
20K
12.43 mi13:02:591:57:269:2730:48
9:55
#24170
HALF
13.11 mi13:09:312:03:589:286:32
9:36
#24188
25K
15.53 mi13:33:122:27:399:3123:41
9:46
#24115
30K
18.64 mi14:05:282:59:559:4032:16
10:24
#24068
20M
20.00 mi14:19:153:13:429:4213:47
10:09
#23976
21M
21.00 mi14:30:133:24:409:4510:58
10:58
#23897
35K
21.75 mi14:37:143:31:419:457:01
9:23
#23803
23M
23.00 mi14:49:333:44:009:4512:19
9:51
#23665
24M
24.00 mi14:59:073:53:349:449:34
9:34
#23572
40K
24.85 mi15:07:264:01:539:448:19
9:44
#23458
25.2M
25.20 mi15:11:064:05:339:453:40
10:38
#23418
FINISH
26.22 mi15:20:454:15:129:459:39
9:29
#23348
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 mi226529000900024077(Top 83%)9690(Top 77%)9690(Top 1019%)
10K6.21 mi3.10 mi23737-10859532-5329532-53224619(Top 85%)9981(Top 79%)9981(Top 1050%)
15K9.32 mi3.11 mi23898-1619604-729604-7224077(Top 83%)9690(Top 77%)9690(Top 1019%)
20K12.43 mi3.11 mi24170-2729737-1339737-13324838(Top 86%)10115(Top 80%)10115(Top 1064%)
HALF13.11 mi0.68 mi24188-189748-119748-1124608(Top 85%)9997(Top 79%)9997(Top 1051%)
25K15.53 mi2.42 mi24115+739727+219727+2123732(Top 82%)9580(Top 76%)9580(Top 1007%)
30K18.64 mi3.11 mi24068+479731-49731-424049(Top 83%)9854(Top 78%)9854(Top 1036%)
20M20.00 mi1.36 mi23976+929695+369695+3622955(Top 79%)9349(Top 74%)9349(Top 983%)
21M21.00 mi1.00 mi23897+799667+289667+2823045(Top 79%)9449(Top 75%)9449(Top 994%)
35K21.75 mi0.75 mi23803+949633+349633+3421445(Top 74%)8674(Top 69%)8674(Top 912%)
23M23.00 mi1.25 mi23665+1389587+469587+4621699(Top 75%)8845(Top 70%)8845(Top 930%)
24M24.00 mi1.00 mi23572+939552+359552+3521581(Top 74%)8844(Top 70%)8844(Top 930%)
40K24.85 mi0.85 mi23458+1149504+489504+4821156(Top 73%)8666(Top 69%)8666(Top 911%)
25.2M25.20 mi0.35 mi23418+409492+129492+1221506(Top 74%)8838(Top 70%)8838(Top 929%)
FINISH26.22 mi1.02 mi23348+709472+209472+2022253(Top 77%)9204(Top 73%)9204(Top 968%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
Γ—21
+97ft-345ft

Overall

24077

Females

9690

F55-59

9690

5K→10K

3.1 - 6.2 mi

Top 85%
Γ—5
+79ft-138ft

Overall

24619

Females

9981

F55-59

9981

10K→15K

6.2 - 9.3 mi

Top 83%
Γ—3
+67ft-78ft

Overall

24077

Females

9690

F55-59

9690

15K→20K

9.3 - 12.4 mi

Top 86%
Γ—5
+106ft-86ft

Overall

24838

Females

10115

F55-59

10115

20K→HALF

12.4 - 13.1 mi

Top 85%
Γ—2
+19ft-37ft

Overall

24608

Females

9997

F55-59

9997

HALF→25K

13.1 - 15.5 mi

Top 82%
Γ—4
+66ft-88ft

Overall

23732

Females

9580

F55-59

9580

25K→30K

15.5 - 18.6 mi

Top 83%
Γ—9
+181ft-148ft

Overall

24049

Females

9854

F55-59

9854

30K→20M

18.6 - 20.0 mi

Top 79%
Γ—5
+64ft-50ft

Overall

22955

Females

9349

F55-59

9349

20M→21M

20.0 - 21.0 mi

Top 79%
Γ—8
+106ft-24ft

Overall

23045

Females

9449

F55-59

9449

21M→35K

21.0 - 21.8 mi

Top 74%
Γ—7
+17ft-86ft

Overall

21445

Females

8674

F55-59

8674

35K→23M

21.8 - 23.0 mi

Top 75%
Γ—5
+23ft-63ft

Overall

21699

Females

8845

F55-59

8845

23M→24M

23.0 - 24.0 mi

Top 74%
Γ—6
+12ft-82ft

Overall

21581

Females

8844

F55-59

8844

24M→40K

24.0 - 24.9 mi

Top 73%
Γ—1
+6ft-20ft

Overall

21156

Females

8666

F55-59

8666

40K→25.2M

24.9 - 25.2 mi

Top 74%
Γ—1
+13ft-16ft

Overall

21506

Females

8838

F55-59

8838

25.2M→FINISH

25.2 - 26.2 mi

Top 77%
Γ—2
+22ft-21ft

Overall

22253

Females

9204

F55-59

9204

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1325
Passed By
936
Net Change
-696
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#22652
5K β†’ 10K23200-1085#22652#23737
10K β†’ 15K97200-161#23737#23898
15K β†’ 20K47200-272#23898#24170
20K β†’ HALF2240-18#24170#24188
HALF β†’ 25K14774+73#24188#24115
25K β†’ 30K167120+47#24115#24068
30K β†’ 20M11523+92#24068#23976
20M β†’ 21M10526+79#23976#23897
21M β†’ 35K962+94#23897#23803
35K β†’ 23M15618+138#23803#23665
23M β†’ 24M1018+93#23665#23572
24M β†’ 40K1217+114#23572#23458
40K β†’ 25.2M455+40#23458#23418
25.2M β†’ FINISH8313+70#23418#23348
TOTALS1325936-696
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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Activity Data

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