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BOSTON MARATHON 2026

Nao Terai

Bib: 19651•F

NY

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 36%
Gender (Female)
#0 / 12578
Top 19%
Masters (Masters Women)
#0 / 6862
Top 6%
Age Group (F45-49)
#0 / 1786
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
22:22
3.11 mi
Rank: #10176
Start → 5K
22:22 | 7:12/mi
10K
44:42
6.21 mi
Rank: #10139 (+37)
5K → 10K
22:20 | 7:12/mi
15K
1:07:10
9.32 mi
Rank: #10213 (-74)
10K → 15K
22:28 | 7:14/mi
20K
1:29:56
12.43 mi
Rank: #10232 (-19)
15K → 20K
22:46 | 7:20/mi
HALF
1:34:45
13.11 mi
Rank: #10157 (+75)
20K → HALF
4:49 | 7:04/mi
25K
1:52:48
15.53 mi
Rank: #10249 (-92)
HALF → 25K
18:03 | 7:27/mi
30K
2:16:33
18.64 mi
Rank: #10279 (-30)
25K → 30K
23:45 | 7:39/mi
20M
2:27:01
20.00 mi
Rank: #10274 (+5)
30K → 20M
10:28 | 7:43/mi
21M
2:35:06
21.00 mi
Rank: #10273 (+1)
20M → 21M
8:05 | 8:05/mi
35K
2:40:35
21.75 mi
Rank: #10230 (+43)
21M → 35K
5:29 | 7:20/mi
23M
2:50:20
23.00 mi
Rank: #10222 (+8)
35K → 23M
9:45 | 7:48/mi
24M
2:57:54
24.00 mi
Rank: #10212 (+10)
23M → 24M
7:34 | 7:34/mi
40K
3:04:39
24.85 mi
Rank: #10270 (-58)
24M → 40K
6:45 | 7:54/mi
25.2M
3:07:34
25.20 mi
Rank: #10267 (+3)
40K → 25.2M
2:55 | 8:28/mi
FINISH
3:15:22
26.22 mi
Rank: #10352 (-85)
25.2M → FINISH
7:48 | 7:40/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:34:45
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:40:37
Pace7:41 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:06:4222:227:1222:22
7:12
-
10K
6.21 mi11:29:0244:427:1222:20
7:12
0:00
15K
9.32 mi11:51:301:07:107:1322:28
7:14
+0:02
20K
12.43 mi12:14:161:29:567:1522:46
7:20
+0:06
HALF
13.11 mi12:19:051:34:457:144:49
7:04
-0:16
25K
15.53 mi12:37:081:52:487:1618:03
7:27
+0:23
30K
18.64 mi13:00:532:16:337:2023:45
7:39
+0:12
20M
20.00 mi13:11:212:27:017:2210:28
7:43
+0:04
21M
21.00 mi13:19:262:35:067:248:05
8:05
+0:22
35K
21.75 mi13:24:552:40:357:245:29
7:20
-0:45
23M
23.00 mi13:34:402:50:207:259:45
7:48
+0:28
24M
24.00 mi13:42:142:57:547:257:34
7:34
-0:14
40K
24.85 mi13:48:593:04:397:266:45
7:54
+0:20
25.2M
25.20 mi13:51:543:07:347:272:55
8:28
+0:34
FINISH
26.22 mi13:59:423:15:227:287:48
7:40
-0:48

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

7:04 /mi

Average Pace

7:27 /mi

Slowest Pace

8:28 /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

2:47:52

86% of race

Time at Steady Pace

24:35

13% of race

Time at Slower Pace

2:55

1% of race

Average Pace: 7:27 /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 mi11:06:4222:227:1222:22
7:12
#10176
10K
6.21 mi11:29:0244:427:1222:20
7:12
#10139
15K
9.32 mi11:51:301:07:107:1322:28
7:14
#10213
20K
12.43 mi12:14:161:29:567:1522:46
7:20
#10232
HALF
13.11 mi12:19:051:34:457:144:49
7:04
#10157
25K
15.53 mi12:37:081:52:487:1618:03
7:27
#10249
30K
18.64 mi13:00:532:16:337:2023:45
7:39
#10279
20M
20.00 mi13:11:212:27:017:2210:28
7:43
#10274
21M
21.00 mi13:19:262:35:067:248:05
8:05
#10273
35K
21.75 mi13:24:552:40:357:245:29
7:20
#10230
23M
23.00 mi13:34:402:50:207:259:45
7:48
#10222
24M
24.00 mi13:42:142:57:547:257:34
7:34
#10212
40K
24.85 mi13:48:593:04:397:266:45
7:54
#10270
25.2M
25.20 mi13:51:543:07:347:272:55
8:28
#10267
FINISH
26.22 mi13:59:423:15:227:287:48
7:40
#10352
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi101761963196310408(Top 36%)2172(Top 17%)2172(Top 122%)
10K6.21 mi3.10 mi10139+371965-21965-210182(Top 35%)1999(Top 16%)1999(Top 112%)
15K9.32 mi3.11 mi10213-742021-562021-5610408(Top 36%)2172(Top 17%)2172(Top 122%)
20K12.43 mi3.11 mi10232-192065-442065-4410451(Top 36%)2277(Top 18%)2277(Top 127%)
HALF13.11 mi0.68 mi10157+752035+302035+309257(Top 32%)1638(Top 13%)1638(Top 92%)
25K15.53 mi2.42 mi10249-922108-732108-7310966(Top 38%)2615(Top 21%)2615(Top 146%)
30K18.64 mi3.11 mi10279-302176-682176-6810801(Top 37%)2660(Top 21%)2660(Top 149%)
20M20.00 mi1.36 mi10274+52209-332209-3310652(Top 37%)2704(Top 21%)2704(Top 151%)
21M21.00 mi1.00 mi10273+12233-242233-2410471(Top 36%)2717(Top 22%)2717(Top 152%)
35K21.75 mi0.75 mi10230+432231+22231+29582(Top 33%)2292(Top 18%)2292(Top 128%)
23M23.00 mi1.25 mi10222+82259-282259-2810968(Top 38%)3087(Top 25%)3087(Top 173%)
24M24.00 mi1.00 mi10212+102280-212280-2110635(Top 37%)2977(Top 24%)2977(Top 167%)
40K24.85 mi0.85 mi10270-582326-462326-4611759(Top 41%)3640(Top 29%)3640(Top 204%)
25.2M25.20 mi0.35 mi10267+32337-112337-1111374(Top 39%)3530(Top 28%)3530(Top 198%)
FINISH26.22 mi1.02 mi10352-852400-632400-6312633(Top 44%)4186(Top 33%)4186(Top 234%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21
+97ft-345ft

Overall

10408

Females

2172

F45-49

2172

5K→10K

3.1 - 6.2 mi

Top 35%
×5
+79ft-138ft

Overall

10182

Females

1999

F45-49

1999

10K→15K

6.2 - 9.3 mi

Top 36%
×3
+67ft-78ft

Overall

10408

Females

2172

F45-49

2172

15K→20K

9.3 - 12.4 mi

Top 36%
×5
+106ft-86ft

Overall

10451

Females

2277

F45-49

2277

20K→HALF

12.4 - 13.1 mi

Top 32%
×2
+19ft-37ft

Overall

9257

Females

1638

F45-49

1638

HALF→25K

13.1 - 15.5 mi

Top 38%
×4
+66ft-88ft

Overall

10966

Females

2615

F45-49

2615

25K→30K

15.5 - 18.6 mi

Top 37%
×9
+181ft-148ft

Overall

10801

Females

2660

F45-49

2660

30K→20M

18.6 - 20.0 mi

Top 37%
×5
+64ft-50ft

Overall

10652

Females

2704

F45-49

2704

20M→21M

20.0 - 21.0 mi

Top 36%
×8
+106ft-24ft

Overall

10471

Females

2717

F45-49

2717

21M→35K

21.0 - 21.8 mi

Top 33%
×7
+17ft-86ft

Overall

9582

Females

2292

F45-49

2292

35K→23M

21.8 - 23.0 mi

Top 38%
×5
+23ft-63ft

Overall

10968

Females

3087

F45-49

3087

23M→24M

23.0 - 24.0 mi

Top 37%
×6
+12ft-82ft

Overall

10635

Females

2977

F45-49

2977

24M→40K

24.0 - 24.9 mi

Top 41%
×1
+6ft-20ft

Overall

11759

Females

3640

F45-49

3640

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1
+13ft-16ft

Overall

11374

Females

3530

F45-49

3530

25.2M→FINISH

25.2 - 26.2 mi

Top 44%
×2
+22ft-21ft

Overall

12633

Females

4186

F45-49

4186

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1497*
Passed By
1670
Net Change
-176
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10176
5K → 10K262224+37#10176#10139
10K → 15K138212-74#10139#10213
15K → 20K164183-19#10213#10232
20K → HALF761+75#10232#10157
HALF → 25K82*174-92#10157#10249
25K → 30K174203-30#10249#10279
30K → 20M9792+5#10279#10274
20M → 21M9796+1#10274#10273
21M → 35K7431+43#10273#10230
35K → 23M115106+8#10230#10222
23M → 24M8979+10#10222#10212
24M → 40K47105-58#10212#10270
40K → 25.2M3431+3#10270#10267
25.2M → FINISH48133-85#10267#10352
TOTALS1497*1670-176

* Includes athletes who did not complete a segment (DNF/DNQ).

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📊

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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing