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BOSTON MARATHON 2026

Mika Nakamura

Bib: 11070 β€’F β€’Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 20%
Gender (Female)
#0 / 12578
Top 5%
Masters (Masters Women)
#0 / 6862
Top 1.0%
Age Group (F50-54)
#0 / 1233
Top 0.6%
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
19:54
3.11 mi
Rank: #3523
Start β†’ 5K
19:54 | 6:25/mi
10K
39:52
6.21 mi
Rank: #3601 (-78)
5K β†’ 10K
19:58 | 6:26/mi
15K
59:53
9.32 mi
Rank: #3660 (-59)
10K β†’ 15K
20:01 | 6:27/mi
20K
1:20:39
12.43 mi
Rank: #3983 (-323)
15K β†’ 20K
20:46 | 6:42/mi
HALF
1:25:03
13.11 mi
Rank: #3991 (-8)
20K β†’ HALF
4:24 | 6:28/mi
25K
1:42:00
15.53 mi
Rank: #4424 (-433)
HALF β†’ 25K
16:57 | 7:00/mi
30K
2:04:50
18.64 mi
Rank: #5049 (-625)
25K β†’ 30K
22:50 | 7:21/mi
20M
2:15:11
20.00 mi
Rank: #5470 (-421)
30K β†’ 20M
10:21 | 7:38/mi
21M
2:23:36
21.00 mi
Rank: #5927 (-457)
20M β†’ 21M
8:25 | 8:25/mi
35K
2:28:28
21.75 mi
Rank: #5816 (+111)
21M β†’ 35K
4:52 | 6:31/mi
23M
2:37:07
23.00 mi
Rank: #5697 (+119)
35K β†’ 23M
8:39 | 6:55/mi
24M
2:43:49
24.00 mi
Rank: #5619 (+78)
23M β†’ 24M
6:42 | 6:42/mi
40K
2:49:55
24.85 mi
Rank: #5628 (-9)
24M β†’ 40K
6:06 | 7:09/mi
25.2M
2:52:38
25.20 mi
Rank: #5663 (-35)
40K β†’ 25.2M
2:43 | 7:53/mi
FINISH
2:59:34
26.22 mi
Rank: #5702 (-39)
25.2M β†’ FINISH
6:56 | 6:49/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:25:03
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:34:31
Pace7:13 /mi
πŸ“ŠPositive Split: 11.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:37:0519:546:2519:54
6:25
-
10K
6.21 mi10:57:0339:526:2519:58
6:26
+0:01
15K
9.32 mi11:17:0459:536:2620:01
6:27
+0:01
20K
12.43 mi11:37:501:20:396:3020:46
6:42
+0:15
HALF
13.11 mi11:42:141:25:036:304:24
6:28
-0:14
25K
15.53 mi11:59:111:42:006:3416:57
7:00
+0:32
30K
18.64 mi12:22:012:04:506:4222:50
7:21
+0:21
20M
20.00 mi12:32:222:15:116:4610:21
7:38
+0:17
21M
21.00 mi12:40:472:23:366:518:25
8:25
+0:47
35K
21.75 mi12:45:392:28:286:504:52
6:31
-1:54
23M
23.00 mi12:54:182:37:076:508:39
6:55
+0:24
24M
24.00 mi13:01:002:43:496:506:42
6:42
-0:13
40K
24.85 mi13:07:062:49:556:516:06
7:09
+0:27
25.2M
25.20 mi13:09:492:52:386:522:43
7:53
+0:44
FINISH
26.22 mi13:16:452:59:346:526:56
6:49
-1:04

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

6:25 /mi

Average Pace

6:51 /mi

Slowest Pace

8:25 /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

1:09:09

39% of race

Time at Steady Pace

1:00:00

33% of race

Time at Slower Pace

50:25

28% of race

Average Pace: 6:51 /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 mi10:37:0519:546:2519:54
6:25
#3523
10K
6.21 mi10:57:0339:526:2519:58
6:26
#3601
15K
9.32 mi11:17:0459:536:2620:01
6:27
#3660
20K
12.43 mi11:37:501:20:396:3020:46
6:42
#3983
HALF
13.11 mi11:42:141:25:036:304:24
6:28
#3991
25K
15.53 mi11:59:111:42:006:3416:57
7:00
#4424
30K
18.64 mi12:22:012:04:506:4222:50
7:21
#5049
20M
20.00 mi12:32:222:15:116:4610:21
7:38
#5470
21M
21.00 mi12:40:472:23:366:518:25
8:25
#5927
35K
21.75 mi12:45:392:28:286:504:52
6:31
#5816
23M
23.00 mi12:54:182:37:076:508:39
6:55
#5697
24M
24.00 mi13:01:002:43:496:506:42
6:42
#5619
40K
24.85 mi13:07:062:49:556:516:06
7:09
#5628
25.2M
25.20 mi13:09:492:52:386:522:43
7:53
#5663
FINISH
26.22 mi13:16:452:59:346:526:56
6:49
#5702
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi35231681683819(Top 13%)181(Top 1%)181(Top 15%)
10K6.21 mi3.10 mi3601-78164+4164+43715(Top 13%)178(Top 1%)178(Top 14%)
15K9.32 mi3.11 mi3660-59167-3167-33819(Top 13%)181(Top 1%)181(Top 15%)
20K12.43 mi3.11 mi3983-323188-21188-215090(Top 18%)376(Top 3%)376(Top 30%)
HALF13.11 mi0.68 mi3991-8191-3191-34176(Top 14%)227(Top 2%)227(Top 18%)
25K15.53 mi2.42 mi4424-433254-63254-637342(Top 25%)975(Top 8%)975(Top 79%)
30K18.64 mi3.11 mi5049-625361-107361-1078498(Top 29%)1589(Top 13%)1589(Top 129%)
20M20.00 mi1.36 mi5470-421457-96457-969985(Top 34%)2373(Top 19%)2373(Top 192%)
21M21.00 mi1.00 mi5927-457583-126583-12612591(Top 43%)3821(Top 30%)3821(Top 310%)
35K21.75 mi0.75 mi5816+111570+13570+133672(Top 13%)299(Top 2%)299(Top 24%)
23M23.00 mi1.25 mi5697+119546+24546+244875(Top 17%)566(Top 4%)566(Top 46%)
24M24.00 mi1.00 mi5619+78545+1545+14495(Top 15%)533(Top 4%)533(Top 43%)
40K24.85 mi0.85 mi5628-9550-5550-56355(Top 22%)1109(Top 9%)1109(Top 90%)
25.2M25.20 mi0.35 mi5663-35564-14564-147598(Top 26%)1648(Top 13%)1648(Top 134%)
FINISH26.22 mi1.02 mi5702-39579-15579-156173(Top 21%)1160(Top 9%)1160(Top 94%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
Γ—21
+97ft-345ft

Overall

3819

Females

181

F50-54

181

5K→10K

3.1 - 6.2 mi

Top 13%
Γ—5
+79ft-138ft

Overall

3715

Females

178

F50-54

178

10K→15K

6.2 - 9.3 mi

Top 13%
Γ—3
+67ft-78ft

Overall

3819

Females

181

F50-54

181

15K→20K

9.3 - 12.4 mi

Top 18%
Γ—5
+106ft-86ft

Overall

5090

Females

376

F50-54

376

20K→HALF

12.4 - 13.1 mi

Top 14%
Γ—2
+19ft-37ft

Overall

4176

Females

227

F50-54

227

HALF→25K

13.1 - 15.5 mi

Top 25%
Γ—4
+66ft-88ft

Overall

7342

Females

975

F50-54

975

25K→30K

15.5 - 18.6 mi

Top 29%
Γ—9
+181ft-148ft

Overall

8498

Females

1589

F50-54

1589

30K→20M

18.6 - 20.0 mi

Top 34%
Γ—5
+64ft-50ft

Overall

9985

Females

2373

F50-54

2373

20M→21M

20.0 - 21.0 mi

Top 43%
Γ—8
+106ft-24ft

Overall

12591

Females

3821

F50-54

3821

21M→35K

21.0 - 21.8 mi

Top 13%
Γ—7
+17ft-86ft

Overall

3672

Females

299

F50-54

299

35K→23M

21.8 - 23.0 mi

Top 17%
Γ—5
+23ft-63ft

Overall

4875

Females

566

F50-54

566

23M→24M

23.0 - 24.0 mi

Top 15%
Γ—6
+12ft-82ft

Overall

4495

Females

533

F50-54

533

24M→40K

24.0 - 24.9 mi

Top 22%
Γ—1
+6ft-20ft

Overall

6355

Females

1109

F50-54

1109

40K→25.2M

24.9 - 25.2 mi

Top 26%
Γ—1
+13ft-16ft

Overall

7598

Females

1648

F50-54

1648

25.2M→FINISH

25.2 - 26.2 mi

Top 21%
Γ—2
+22ft-21ft

Overall

6173

Females

1160

F50-54

1160

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
759
Passed By
1582
Net Change
-2179
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#3523
5K β†’ 10K116194-78#3523#3601
10K β†’ 15K57116-59#3601#3660
15K β†’ 20K24200-323#3660#3983
20K β†’ HALF1523-8#3983#3991
HALF β†’ 25K22200-433#3991#4424
25K β†’ 30K28200-625#4424#5049
30K β†’ 20M14200-421#5049#5470
20M β†’ 21M9200-457#5470#5927
21M β†’ 35K1132+111#5927#5816
35K β†’ 23M15233+119#5816#5697
23M β†’ 24M9719+78#5697#5619
24M β†’ 40K5261-9#5619#5628
40K β†’ 25.2M1449-35#5628#5663
25.2M β†’ FINISH4685-39#5663#5702
TOTALS7591582-2179
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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