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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Marcos Toshio Silva Nagai

Bib: 6470 •X •Age: N/A

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 29%
Gender (Other)
#0 / 103
Top 25%
Age Group
Not available
Race Day Weather
51°/41°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
20:23
3.11 mi
Rank: #4695
Start → 5K
20:23 | 6:34/mi
10K
40:39
6.21 mi
Rank: #4536 (+159)
5K → 10K
20:16 | 6:32/mi
15K
1:01:07
9.32 mi
Rank: #4641 (-105)
10K → 15K
20:28 | 6:36/mi
20K
1:22:06
12.43 mi
Rank: #4846 (-205)
15K → 20K
20:59 | 6:46/mi
HALF
1:26:38
13.11 mi
Rank: #4873 (-27)
20K → HALF
4:32 | 6:40/mi
25K
1:43:09
15.53 mi
Rank: #4971 (-98)
HALF → 25K
16:31 | 6:49/mi
30K
2:05:41
18.64 mi
Rank: #5486 (-515)
25K → 30K
22:32 | 7:16/mi
20M
2:16:03
20.00 mi
Rank: #5870 (-384)
30K → 20M
10:22 | 7:38/mi
21M
2:24:02
21.00 mi
Rank: #6125 (-255)
20M → 21M
7:59 | 7:59/mi
35K
2:29:55
21.75 mi
Rank: #6411 (-286)
21M → 35K
5:53 | 7:52/mi
23M
2:39:46
23.00 mi
Rank: #6663 (-252)
35K → 23M
9:51 | 7:53/mi
24M
2:48:35
24.00 mi
Rank: #7125 (-462)
23M → 24M
8:49 | 8:49/mi
40K
2:55:38
24.85 mi
Rank: #7309 (-184)
24M → 40K
7:03 | 8:15/mi
25.2M
2:58:42
25.20 mi
Rank: #7395 (-86)
40K → 25.2M
3:04 | 8:54/mi
FINISH
3:09:33
26.22 mi
Rank: #8481 (-1086)
25.2M → FINISH
10:51 | 10:39/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
Time1:26:38
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:42:55
Pace7:52 /mi
📊Positive Split: 18.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:0220:236:3420:23
6:34
-
10K
6.21 mi10:46:1840:396:3320:16
6:32
-0:02
15K
9.32 mi11:06:461:01:076:3420:28
6:36
+0:04
20K
12.43 mi11:27:451:22:066:3720:59
6:46
+0:10
HALF
13.11 mi11:32:171:26:386:374:32
6:40
-0:06
25K
15.53 mi11:48:481:43:096:3916:31
6:49
+0:09
30K
18.64 mi12:11:202:05:416:4522:32
7:16
+0:27
20M
20.00 mi12:21:422:16:036:4910:22
7:38
+0:22
21M
21.00 mi12:29:412:24:026:527:59
7:59
+0:21
35K
21.75 mi12:35:342:29:556:545:53
7:52
-0:07
23M
23.00 mi12:45:252:39:466:579:51
7:53
+0:01
24M
24.00 mi12:54:142:48:357:028:49
8:49
+0:56
40K
24.85 mi13:01:172:55:387:047:03
8:15
-0:34
25.2M
25.20 mi13:04:212:58:427:063:04
8:54
+0:39
FINISH
26.22 mi13:15:123:09:337:1510:51
10:39
+1:45

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

6:32 /mi

Average Pace

7:14 /mi

Slowest Pace

10:39 /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

1:43:09

54% of race

Time at Steady Pace

56:37

30% of race

Time at Slower Pace

29:47

16% of race

Average Pace: 7:14 /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 mi10:26:0220:236:3420:23
6:34
#4695
10K
6.21 mi10:46:1840:396:3320:16
6:32
#4536
15K
9.32 mi11:06:461:01:076:3420:28
6:36
#4641
20K
12.43 mi11:27:451:22:066:3720:59
6:46
#4846
HALF
13.11 mi11:32:171:26:386:374:32
6:40
#4873
25K
15.53 mi11:48:481:43:096:3916:31
6:49
#4971
30K
18.64 mi12:11:202:05:416:4522:32
7:16
#5486
20M
20.00 mi12:21:422:16:036:4910:22
7:38
#5870
21M
21.00 mi12:29:412:24:026:527:59
7:59
#6125
35K
21.75 mi12:35:342:29:556:545:53
7:52
#6411
23M
23.00 mi12:45:252:39:466:579:51
7:53
#6663
24M
24.00 mi12:54:142:48:357:028:49
8:49
#7125
40K
24.85 mi13:01:172:55:387:047:03
8:15
#7309
25.2M
25.20 mi13:04:212:58:427:063:04
8:54
#7395
FINISH
26.22 mi13:15:123:09:337:1510:51
10:39
#8481
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallXAge DivSeg. OverallSeg. XSeg. Age Div
5K3.11 mi3.11 mi4695444854(Top 17%)8(Top 8%)8
10K6.21 mi3.10 mi4536+1595-15-14453(Top 15%)6(Top 6%)6
15K9.32 mi3.11 mi4641-1056-16-14854(Top 17%)8(Top 8%)8
20K12.43 mi3.11 mi4846-2058-28-25757(Top 20%)10(Top 10%)10
HALF13.11 mi0.68 mi4873-27885810(Top 20%)9(Top 9%)9
25K15.53 mi2.42 mi4971-98885933(Top 20%)11(Top 11%)11
30K18.64 mi3.11 mi5486-515887760(Top 27%)20(Top 19%)20
20M20.00 mi1.36 mi5870-38410-210-210129(Top 35%)32(Top 31%)32
21M21.00 mi1.00 mi6125-25512-212-29844(Top 34%)31(Top 30%)31
35K21.75 mi0.75 mi6411-28613-113-113621(Top 47%)44(Top 43%)44
23M23.00 mi1.25 mi6663-25216-316-311587(Top 40%)39(Top 38%)39
24M24.00 mi1.00 mi7125-462161618662(Top 64%)65(Top 63%)65
40K24.85 mi0.85 mi7309-18418-218-214159(Top 49%)51(Top 50%)51
25.2M25.20 mi0.35 mi7395-86181814225(Top 49%)50(Top 49%)50
FINISH26.22 mi1.02 mi8481-108624-624-625411(Top 88%)92(Top 89%)92

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21
+97ft-345ft

Overall

4854

X

8

Age Div

8

5K→10K

3.1 - 6.2 mi

Top 15%
×5
+79ft-138ft

Overall

4453

X

6

Age Div

6

10K→15K

6.2 - 9.3 mi

Top 17%
×3
+67ft-78ft

Overall

4854

X

8

Age Div

8

15K→20K

9.3 - 12.4 mi

Top 20%
×5
+106ft-86ft

Overall

5757

X

10

Age Div

10

20K→HALF

12.4 - 13.1 mi

Top 20%
×2
+19ft-37ft

Overall

5810

X

9

Age Div

9

HALF→25K

13.1 - 15.5 mi

Top 20%
×4
+66ft-88ft

Overall

5933

X

11

Age Div

11

25K→30K

15.5 - 18.6 mi

Top 27%
×9
+181ft-148ft

Overall

7760

X

20

Age Div

20

30K→20M

18.6 - 20.0 mi

Top 35%
×5
+64ft-50ft

Overall

10129

X

32

Age Div

32

20M→21M

20.0 - 21.0 mi

Top 34%
×8
+106ft-24ft

Overall

9844

X

31

Age Div

31

21M→35K

21.0 - 21.8 mi

Top 47%
×7
+17ft-86ft

Overall

13621

X

44

Age Div

44

35K→23M

21.8 - 23.0 mi

Top 40%
×5
+23ft-63ft

Overall

11587

X

39

Age Div

39

23M→24M

23.0 - 24.0 mi

Top 64%
×6
+12ft-82ft

Overall

18662

X

65

Age Div

65

24M→40K

24.0 - 24.9 mi

Top 49%
×1
+6ft-20ft

Overall

14159

X

51

Age Div

51

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1
+13ft-16ft

Overall

14225

X

50

Age Div

50

25.2M→FINISH

25.2 - 26.2 mi

Top 88%
×2
+22ft-21ft

Overall

25411

X

92

Age Div

92

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
605*
Passed By
2350
Net Change
-3786
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4695
5K → 10K241*82+159#4695#4536
10K → 15K83188-105#4536#4641
15K → 20K42200-205#4641#4846
20K → HALF734-27#4846#4873
HALF → 25K52150-98#4873#4971
25K → 30K41200-515#4971#5486
30K → 20M15200-384#5486#5870
20M → 21M23200-255#5870#6125
21M → 35K17200-286#6125#6411
35K → 23M32200-252#6411#6663
23M → 24M4200-462#6663#7125
24M → 40K34200-184#7125#7309
40K → 25.2M1096-86#7309#7395
25.2M → FINISH4200-1086#7395#8481
TOTALS605*2350-3786

* 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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