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BOSTON MARATHON 2026

Emiko Naomasa

Bib: 26483β€’F

IL

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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 (F40-44)
#0 / 1737
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
33:27
3.11 mi
Rank: #27657
Start β†’ 5K
33:27 | 10:46/mi
10K
1:07:15
6.21 mi
Rank: #27587 (+70)
5K β†’ 10K
33:48 | 10:53/mi
15K
1:40:43
9.32 mi
Rank: #27431 (+156)
10K β†’ 15K
33:28 | 10:47/mi
20K
2:15:03
12.43 mi
Rank: #27316 (+115)
15K β†’ 20K
34:20 | 11:04/mi
HALF
2:22:03
13.11 mi
Rank: #27259 (+57)
20K β†’ HALF
7:00 | 10:17/mi
25K
2:48:40
15.53 mi
Rank: #27098 (+161)
HALF β†’ 25K
26:37 | 10:59/mi
30K
3:24:18
18.64 mi
Rank: #26931 (+167)
25K β†’ 30K
35:38 | 11:29/mi
20M
3:39:47
20.00 mi
Rank: #26838 (+93)
30K β†’ 20M
15:29 | 11:24/mi
21M
3:51:52
21.00 mi
Rank: #26759 (+79)
20M β†’ 21M
12:05 | 12:05/mi
35K
4:00:27
21.75 mi
Rank: #26744 (+15)
21M β†’ 35K
8:35 | 11:29/mi
23M
4:16:10
23.00 mi
Rank: #26775 (-31)
35K β†’ 23M
15:43 | 12:34/mi
24M
4:26:22
24.00 mi
Rank: #26650 (+125)
23M β†’ 24M
10:12 | 10:12/mi
40K
4:35:40
24.85 mi
Rank: #26566 (+84)
24M β†’ 40K
9:18 | 10:53/mi
25.2M
4:39:28
25.20 mi
Rank: #26512 (+54)
40K β†’ 25.2M
3:48 | 11:02/mi
FINISH
4:49:15
26.22 mi
Rank: #26418 (+94)
25.2M β†’ FINISH
9:47 | 9:37/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
Time2:22:03
Pace10:51 /mi
2nd Half
Distance13.11 mi
Time2:27:12
Pace11:14 /mi
πŸ“ŠPositive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:0333:2710:4633:27
10:46
-
10K
6.21 mi12:15:511:07:1510:5033:48
10:53
+0:07
15K
9.32 mi12:49:191:40:4310:4933:28
10:47
-0:06
20K
12.43 mi13:23:392:15:0310:5334:20
11:04
+0:17
HALF
13.11 mi13:30:392:22:0310:517:00
10:17
-0:47
25K
15.53 mi13:57:162:48:4010:5226:37
10:59
+0:42
30K
18.64 mi14:32:543:24:1810:5835:38
11:29
+0:30
20M
20.00 mi14:48:233:39:4711:0015:29
11:24
-0:05
21M
21.00 mi15:00:283:51:5211:0312:05
12:05
+0:41
35K
21.75 mi15:09:034:00:2711:048:35
11:29
-0:36
23M
23.00 mi15:24:464:16:1011:0915:43
12:34
+1:05
24M
24.00 mi15:34:584:26:2211:0610:12
10:12
-2:22
40K
24.85 mi15:44:164:35:4011:069:18
10:53
+0:41
25.2M
25.20 mi15:48:044:39:2811:063:48
11:02
+0:09
FINISH
26.22 mi15:57:514:49:1511:039:47
9:37
-1:25

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

9:37 /mi

Average Pace

11:02 /mi

Slowest Pace

12:34 /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

26:59

9% of race

Time at Steady Pace

2:54:46

60% of race

Time at Slower Pace

1:27:30

30% of race

Average Pace: 11:02 /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 mi11:42:0333:2710:4633:27
10:46
#27657
10K
6.21 mi12:15:511:07:1510:5033:48
10:53
#27587
15K
9.32 mi12:49:191:40:4310:4933:28
10:47
#27431
20K
12.43 mi13:23:392:15:0310:5334:20
11:04
#27316
HALF
13.11 mi13:30:392:22:0310:517:00
10:17
#27259
25K
15.53 mi13:57:162:48:4010:5226:37
10:59
#27098
30K
18.64 mi14:32:543:24:1810:5835:38
11:29
#26931
20M
20.00 mi14:48:233:39:4711:0015:29
11:24
#26838
21M
21.00 mi15:00:283:51:5211:0312:05
12:05
#26759
35K
21.75 mi15:09:034:00:2711:048:35
11:29
#26744
23M
23.00 mi15:24:464:16:1011:0915:43
12:34
#26775
24M
24.00 mi15:34:584:26:2211:0610:12
10:12
#26650
40K
24.85 mi15:44:164:35:4011:069:18
10:53
#26566
25.2M
25.20 mi15:48:044:39:2811:063:48
11:02
#26512
FINISH
26.22 mi15:57:514:49:1511:039:47
9:37
#26418
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 mi27657116551165527124(Top 93%)11375(Top 90%)11375(Top 655%)
10K6.21 mi3.10 mi27587+7011630+2511630+2527533(Top 95%)11620(Top 92%)11620(Top 669%)
15K9.32 mi3.11 mi27431+15611561+6911561+6927124(Top 93%)11375(Top 90%)11375(Top 655%)
20K12.43 mi3.11 mi27316+11511480+8111480+8127021(Top 93%)11325(Top 90%)11325(Top 652%)
HALF13.11 mi0.68 mi27259+5711453+2711453+2726242(Top 90%)10900(Top 87%)10900(Top 628%)
25K15.53 mi2.42 mi27098+16111366+8711366+8726307(Top 91%)10984(Top 87%)10984(Top 632%)
30K18.64 mi3.11 mi26931+16711299+6711299+6726092(Top 90%)10945(Top 87%)10945(Top 630%)
20M20.00 mi1.36 mi26838+9311252+4711252+4725593(Top 88%)10761(Top 86%)10761(Top 620%)
21M21.00 mi1.00 mi26759+7911212+4011212+4025204(Top 87%)10608(Top 84%)10608(Top 611%)
35K21.75 mi0.75 mi26744+1511211+111211+126034(Top 90%)11057(Top 88%)11057(Top 637%)
23M23.00 mi1.25 mi26775-3111242-3111242-3126857(Top 93%)11513(Top 92%)11513(Top 663%)
24M24.00 mi1.00 mi26650+12511182+6011182+6023369(Top 81%)9742(Top 77%)9742(Top 561%)
40K24.85 mi0.85 mi26566+8411145+3711145+3724025(Top 83%)10143(Top 81%)10143(Top 584%)
25.2M25.20 mi0.35 mi26512+5411119+2611119+2622475(Top 77%)9345(Top 74%)9345(Top 538%)
FINISH26.22 mi1.02 mi26418+9411081+3811081+3822705(Top 78%)9458(Top 75%)9458(Top 545%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
Γ—21
+97ft-345ft

Overall

27124

Females

11375

F40-44

11375

5K→10K

3.1 - 6.2 mi

Top 95%
Γ—5
+79ft-138ft

Overall

27533

Females

11620

F40-44

11620

10K→15K

6.2 - 9.3 mi

Top 93%
Γ—3
+67ft-78ft

Overall

27124

Females

11375

F40-44

11375

15K→20K

9.3 - 12.4 mi

Top 93%
Γ—5
+106ft-86ft

Overall

27021

Females

11325

F40-44

11325

20K→HALF

12.4 - 13.1 mi

Top 90%
Γ—2
+19ft-37ft

Overall

26242

Females

10900

F40-44

10900

HALF→25K

13.1 - 15.5 mi

Top 91%
Γ—4
+66ft-88ft

Overall

26307

Females

10984

F40-44

10984

25K→30K

15.5 - 18.6 mi

Top 90%
Γ—9
+181ft-148ft

Overall

26092

Females

10945

F40-44

10945

30K→20M

18.6 - 20.0 mi

Top 88%
Γ—5
+64ft-50ft

Overall

25593

Females

10761

F40-44

10761

20M→21M

20.0 - 21.0 mi

Top 87%
Γ—8
+106ft-24ft

Overall

25204

Females

10608

F40-44

10608

21M→35K

21.0 - 21.8 mi

Top 90%
Γ—7
+17ft-86ft

Overall

26034

Females

11057

F40-44

11057

35K→23M

21.8 - 23.0 mi

Top 93%
Γ—5
+23ft-63ft

Overall

26857

Females

11513

F40-44

11513

23M→24M

23.0 - 24.0 mi

Top 81%
Γ—6
+12ft-82ft

Overall

23369

Females

9742

F40-44

9742

24M→40K

24.0 - 24.9 mi

Top 83%
Γ—1
+6ft-20ft

Overall

24025

Females

10143

F40-44

10143

40K→25.2M

24.9 - 25.2 mi

Top 77%
Γ—1
+13ft-16ft

Overall

22475

Females

9345

F40-44

9345

25.2M→FINISH

25.2 - 26.2 mi

Top 78%
Γ—2
+22ft-21ft

Overall

22705

Females

9458

F40-44

9458

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1627
Passed By
388
Net Change
+1239
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#27657
5K β†’ 10K198128+70#27657#27587
10K β†’ 15K21054+156#27587#27431
15K β†’ 20K16045+115#27431#27316
20K β†’ HALF603+57#27316#27259
HALF β†’ 25K17312+161#27259#27098
25K β†’ 30K20740+167#27098#26931
30K β†’ 20M10310+93#26931#26838
20M β†’ 21M845+79#26838#26759
21M β†’ 35K3722+15#26759#26744
35K β†’ 23M3061-31#26744#26775
23M β†’ 24M1261+125#26775#26650
24M β†’ 40K851+84#26650#26566
40K β†’ 25.2M562+54#26566#26512
25.2M β†’ FINISH984+94#26512#26418
TOTALS1627388+1239
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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing