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BOSTON MARATHON 2026

Asuka Nakano

Bib: 17159•F

AZ

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 28%
Gender (Female)
#0 / 12578
Top 11%
Masters (Masters Women)
#0 / 6862
Top 3%
Age Group (F40-44)
#0 / 1737
Top 7%
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
22:44
3.11 mi
Rank: #11199
Start → 5K
22:44 | 7:20/mi
10K
45:01
6.21 mi
Rank: #10612 (+587)
5K → 10K
22:17 | 7:11/mi
15K
1:07:20
9.32 mi
Rank: #10381 (+231)
10K → 15K
22:19 | 7:11/mi
20K
1:29:42
12.43 mi
Rank: #10053 (+328)
15K → 20K
22:22 | 7:12/mi
HALF
1:34:32
13.11 mi
Rank: #10006 (+47)
20K → HALF
4:50 | 7:06/mi
25K
1:52:04
15.53 mi
Rank: #9844 (+162)
HALF → 25K
17:32 | 7:14/mi
30K
2:14:56
18.64 mi
Rank: #9564 (+280)
25K → 30K
22:52 | 7:22/mi
20M
2:24:48
20.00 mi
Rank: #9369 (+195)
30K → 20M
9:52 | 7:16/mi
21M
2:32:17
21.00 mi
Rank: #9154 (+215)
20M → 21M
7:29 | 7:29/mi
35K
2:37:31
21.75 mi
Rank: #9044 (+110)
21M → 35K
5:14 | 7:00/mi
23M
2:46:20
23.00 mi
Rank: #8778 (+266)
35K → 23M
8:49 | 7:03/mi
24M
2:53:08
24.00 mi
Rank: #8567 (+211)
23M → 24M
6:48 | 6:48/mi
40K
2:59:09
24.85 mi
Rank: #8409 (+158)
24M → 40K
6:01 | 7:03/mi
25.2M
3:01:44
25.20 mi
Rank: #8348 (+61)
40K → 25.2M
2:35 | 7:30/mi
FINISH
3:08:37
26.22 mi
Rank: #8199 (+149)
25.2M → FINISH
6:53 | 6:46/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:34:32
Pace7:13 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:34:05
Pace7:11 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:04:1122:447:2022:44
7:20
-
10K
6.21 mi11:26:2845:017:1522:17
7:11
-0:09
15K
9.32 mi11:48:471:07:207:1422:19
7:11
0:00
20K
12.43 mi12:11:091:29:427:1422:22
7:12
+0:01
HALF
13.11 mi12:15:591:34:327:134:50
7:06
-0:06
25K
15.53 mi12:33:311:52:047:1317:32
7:14
+0:08
30K
18.64 mi12:56:232:14:567:1522:52
7:22
+0:08
20M
20.00 mi13:06:152:24:487:159:52
7:16
-0:06
21M
21.00 mi13:13:442:32:177:167:29
7:29
+0:13
35K
21.75 mi13:18:582:37:317:155:14
7:00
-0:29
23M
23.00 mi13:27:472:46:207:148:49
7:03
+0:03
24M
24.00 mi13:34:352:53:087:136:48
6:48
-0:15
40K
24.85 mi13:40:362:59:097:136:01
7:03
+0:15
25.2M
25.20 mi13:43:113:01:447:132:35
7:30
+0:27
FINISH
26.22 mi13:50:043:08:377:126:53
6:46
-0:44

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

6:46 /mi

Average Pace

7:12 /mi

Slowest Pace

7:30 /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

2:58:33

95% of race

Time at Steady Pace

10:04

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:12 /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 mi11:04:1122:447:2022:44
7:20
#11199
10K
6.21 mi11:26:2845:017:1522:17
7:11
#10612
15K
9.32 mi11:48:471:07:207:1422:19
7:11
#10381
20K
12.43 mi12:11:091:29:427:1422:22
7:12
#10053
HALF
13.11 mi12:15:591:34:327:134:50
7:06
#10006
25K
15.53 mi12:33:311:52:047:1317:32
7:14
#9844
30K
18.64 mi12:56:232:14:567:1522:52
7:22
#9564
20M
20.00 mi13:06:152:24:487:159:52
7:16
#9369
21M
21.00 mi13:13:442:32:177:167:29
7:29
#9154
35K
21.75 mi13:18:582:37:317:155:14
7:00
#9044
23M
23.00 mi13:27:472:46:207:148:49
7:03
#8778
24M
24.00 mi13:34:352:53:087:136:48
6:48
#8567
40K
24.85 mi13:40:362:59:097:136:01
7:03
#8409
25.2M
25.20 mi13:43:113:01:447:132:35
7:30
#8348
FINISH
26.22 mi13:50:043:08:377:126:53
6:46
#8199
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 mi11199245724579983(Top 34%)1934(Top 15%)1934(Top 111%)
10K6.21 mi3.10 mi10612+5872196+2612196+26110032(Top 35%)1921(Top 15%)1921(Top 111%)
15K9.32 mi3.11 mi10381+2312101+952101+959983(Top 34%)1934(Top 15%)1934(Top 111%)
20K12.43 mi3.11 mi10053+3281972+1291972+1299347(Top 32%)1725(Top 14%)1725(Top 99%)
HALF13.11 mi0.68 mi10006+471952+201952+209400(Top 32%)1680(Top 13%)1680(Top 97%)
25K15.53 mi2.42 mi9844+1621895+571895+579126(Top 31%)1700(Top 14%)1700(Top 98%)
30K18.64 mi3.11 mi9564+2801825+701825+708584(Top 30%)1622(Top 13%)1622(Top 93%)
20M20.00 mi1.36 mi9369+1951758+671758+677429(Top 26%)1245(Top 10%)1245(Top 72%)
21M21.00 mi1.00 mi9154+2151684+741684+746408(Top 22%)1000(Top 8%)1000(Top 58%)
35K21.75 mi0.75 mi9044+1101657+271657+277133(Top 25%)1217(Top 10%)1217(Top 70%)
23M23.00 mi1.25 mi8778+2661583+741583+745787(Top 20%)822(Top 7%)822(Top 47%)
24M24.00 mi1.00 mi8567+2111515+681515+685184(Top 18%)711(Top 6%)711(Top 41%)
40K24.85 mi0.85 mi8409+1581476+391476+395761(Top 20%)922(Top 7%)922(Top 53%)
25.2M25.20 mi0.35 mi8348+611455+211455+215303(Top 18%)857(Top 7%)857(Top 49%)
FINISH26.22 mi1.02 mi8199+1491421+341421+345851(Top 20%)1061(Top 8%)1061(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21
+97ft-345ft

Overall

9983

Females

1934

F40-44

1934

5K→10K

3.1 - 6.2 mi

Top 35%
×5
+79ft-138ft

Overall

10032

Females

1921

F40-44

1921

10K→15K

6.2 - 9.3 mi

Top 34%
×3
+67ft-78ft

Overall

9983

Females

1934

F40-44

1934

15K→20K

9.3 - 12.4 mi

Top 32%
×5
+106ft-86ft

Overall

9347

Females

1725

F40-44

1725

20K→HALF

12.4 - 13.1 mi

Top 32%
×2
+19ft-37ft

Overall

9400

Females

1680

F40-44

1680

HALF→25K

13.1 - 15.5 mi

Top 31%
×4
+66ft-88ft

Overall

9126

Females

1700

F40-44

1700

25K→30K

15.5 - 18.6 mi

Top 30%
×9
+181ft-148ft

Overall

8584

Females

1622

F40-44

1622

30K→20M

18.6 - 20.0 mi

Top 26%
×5
+64ft-50ft

Overall

7429

Females

1245

F40-44

1245

20M→21M

20.0 - 21.0 mi

Top 22%
×8
+106ft-24ft

Overall

6408

Females

1000

F40-44

1000

21M→35K

21.0 - 21.8 mi

Top 25%
×7
+17ft-86ft

Overall

7133

Females

1217

F40-44

1217

35K→23M

21.8 - 23.0 mi

Top 20%
×5
+23ft-63ft

Overall

5787

Females

822

F40-44

822

23M→24M

23.0 - 24.0 mi

Top 18%
×6
+12ft-82ft

Overall

5184

Females

711

F40-44

711

24M→40K

24.0 - 24.9 mi

Top 20%
×1
+6ft-20ft

Overall

5761

Females

922

F40-44

922

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1
+13ft-16ft

Overall

5303

Females

857

F40-44

857

25.2M→FINISH

25.2 - 26.2 mi

Top 20%
×2
+22ft-21ft

Overall

5851

Females

1061

F40-44

1061

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3320*
Passed By
319
Net Change
+3000
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11199
5K → 10K65668+587#11199#10612
10K → 15K29362+231#10612#10381
15K → 20K36436+328#10381#10053
20K → HALF5710+47#10053#10006
HALF → 25K195*33+162#10006#9844
25K → 30K32444+280#9844#9564
30K → 20M20510+195#9564#9369
20M → 21M22611+215#9369#9154
21M → 35K12111+110#9154#9044
35K → 23M27610+266#9044#8778
23M → 24M2143+211#8778#8567
24M → 40K1635+158#8567#8409
40K → 25.2M632+61#8409#8348
25.2M → FINISH16314+149#8348#8199
TOTALS3320*319+3000

* 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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing