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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Nattaporn Chaikaew

Bib: 22232 β€’F β€’Age: N/A

WA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 48%
Masters (Masters Women)
#0 / 6862
Top 35%
Age Group (F45-49)
#0 / 1786
Top 45%
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
24:14
3.11 mi
Rank: #15424
Start β†’ 5K
24:14 | 7:48/mi
10K
48:35
6.21 mi
Rank: #15667 (-243)
5K β†’ 10K
24:21 | 7:51/mi
15K
1:13:03
9.32 mi
Rank: #15748 (-81)
10K β†’ 15K
24:28 | 7:53/mi
20K
1:38:15
12.43 mi
Rank: #16062 (-314)
15K β†’ 20K
25:12 | 8:07/mi
HALF
1:43:45
13.11 mi
Rank: #16156 (-94)
20K β†’ HALF
5:30 | 8:05/mi
25K
2:03:47
15.53 mi
Rank: #16335 (-179)
HALF β†’ 25K
20:02 | 8:16/mi
30K
2:30:27
18.64 mi
Rank: #16519 (-184)
25K β†’ 30K
26:40 | 8:35/mi
20M
2:42:15
20.00 mi
Rank: #16558 (-39)
30K β†’ 20M
11:48 | 8:42/mi
21M
2:51:30
21.00 mi
Rank: #16586 (-28)
20M β†’ 21M
9:15 | 9:15/mi
35K
2:57:52
21.75 mi
Rank: #16591 (-5)
21M β†’ 35K
6:22 | 8:31/mi
23M
3:08:53
23.00 mi
Rank: #16637 (-46)
35K β†’ 23M
11:01 | 8:49/mi
24M
3:17:36
24.00 mi
Rank: #16697 (-60)
23M β†’ 24M
8:43 | 8:43/mi
40K
3:25:18
24.85 mi
Rank: #16759 (-62)
24M β†’ 40K
7:42 | 9:01/mi
25.2M
3:28:43
25.20 mi
Rank: #16783 (-24)
40K β†’ 25.2M
3:25 | 9:55/mi
FINISH
3:37:24
26.22 mi
Rank: #16837 (-54)
25.2M β†’ FINISH
8:41 | 8:32/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:45
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:53:39
Pace8:41 /mi
πŸ“ŠPositive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:4924:147:4824:14
7:48
-
10K
6.21 mi11:50:1048:357:5024:21
7:51
+0:03
15K
9.32 mi12:14:381:13:037:5124:28
7:53
+0:02
20K
12.43 mi12:39:501:38:157:5525:12
8:07
+0:14
HALF
13.11 mi12:45:201:43:457:555:30
8:05
-0:02
25K
15.53 mi13:05:222:03:477:5920:02
8:16
+0:11
30K
18.64 mi13:32:022:30:278:0526:40
8:35
+0:19
20M
20.00 mi13:43:502:42:158:0711:48
8:42
+0:07
21M
21.00 mi13:53:052:51:308:119:15
9:15
+0:33
35K
21.75 mi13:59:272:57:528:116:22
8:31
-0:44
23M
23.00 mi14:10:283:08:538:1311:01
8:49
+0:18
24M
24.00 mi14:19:113:17:368:158:43
8:43
-0:06
40K
24.85 mi14:26:533:25:188:167:42
9:01
+0:18
25.2M
25.20 mi14:30:183:28:438:173:25
9:55
+0:54
FINISH
26.22 mi14:38:593:37:248:188:41
8:32
-1:23

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

7:48 /mi

Average Pace

8:18 /mi

Slowest Pace

9:55 /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

1:43:45

48% of race

Time at Steady Pace

1:22:16

38% of race

Time at Slower Pace

31:23

14% of race

Average Pace: 8:17 /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 mi11:25:4924:147:4824:14
7:48
#15424
10K
6.21 mi11:50:1048:357:5024:21
7:51
#15667
15K
9.32 mi12:14:381:13:037:5124:28
7:53
#15748
20K
12.43 mi12:39:501:38:157:5525:12
8:07
#16062
HALF
13.11 mi12:45:201:43:457:555:30
8:05
#16156
25K
15.53 mi13:05:222:03:477:5920:02
8:16
#16335
30K
18.64 mi13:32:022:30:278:0526:40
8:35
#16519
20M
20.00 mi13:43:502:42:158:0711:48
8:42
#16558
21M
21.00 mi13:53:052:51:308:119:15
9:15
#16586
35K
21.75 mi13:59:272:57:528:116:22
8:31
#16591
23M
23.00 mi14:10:283:08:538:1311:01
8:49
#16637
24M
24.00 mi14:19:113:17:368:158:43
8:43
#16697
40K
24.85 mi14:26:533:25:188:167:42
9:01
#16759
25.2M
25.20 mi14:30:183:28:438:173:25
9:55
#16783
FINISH
26.22 mi14:38:593:37:248:188:41
8:32
#16837
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 mi154244950495015994(Top 55%)5338(Top 42%)5338(Top 299%)
10K6.21 mi3.10 mi15667-2435123-1735123-17315972(Top 55%)5294(Top 42%)5294(Top 296%)
15K9.32 mi3.11 mi15748-815183-605183-6015994(Top 55%)5338(Top 42%)5338(Top 299%)
20K12.43 mi3.11 mi16062-3145390-2075390-20716939(Top 58%)5908(Top 47%)5908(Top 331%)
HALF13.11 mi0.68 mi16156-945448-585448-5817615(Top 61%)6262(Top 50%)6262(Top 351%)
25K15.53 mi2.42 mi16335-1795560-1125560-11217204(Top 59%)6106(Top 49%)6106(Top 342%)
30K18.64 mi3.11 mi16519-1845707-1475707-14717398(Top 60%)6334(Top 50%)6334(Top 355%)
20M20.00 mi1.36 mi16558-395744-375744-3717340(Top 60%)6376(Top 51%)6376(Top 357%)
21M21.00 mi1.00 mi16586-285757-135757-1317415(Top 60%)6475(Top 51%)6475(Top 363%)
35K21.75 mi0.75 mi16591-55775-185775-1817657(Top 61%)6706(Top 53%)6706(Top 375%)
23M23.00 mi1.25 mi16637-465830-555830-5517468(Top 60%)6671(Top 53%)6671(Top 374%)
24M24.00 mi1.00 mi16697-605884-545884-5418121(Top 62%)7044(Top 56%)7044(Top 394%)
40K24.85 mi0.85 mi16759-625936-525936-5218442(Top 64%)7275(Top 58%)7275(Top 407%)
25.2M25.20 mi0.35 mi16783-245969-335969-3319060(Top 66%)7583(Top 60%)7583(Top 425%)
FINISH26.22 mi1.02 mi16837-546022-536022-5318288(Top 63%)7193(Top 57%)7193(Top 403%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
Γ—21
+97ft-345ft

Overall

15994

Females

5338

F45-49

5338

5K→10K

3.1 - 6.2 mi

Top 55%
Γ—5
+79ft-138ft

Overall

15972

Females

5294

F45-49

5294

10K→15K

6.2 - 9.3 mi

Top 55%
Γ—3
+67ft-78ft

Overall

15994

Females

5338

F45-49

5338

15K→20K

9.3 - 12.4 mi

Top 58%
Γ—5
+106ft-86ft

Overall

16939

Females

5908

F45-49

5908

20K→HALF

12.4 - 13.1 mi

Top 61%
Γ—2
+19ft-37ft

Overall

17615

Females

6262

F45-49

6262

HALF→25K

13.1 - 15.5 mi

Top 59%
Γ—4
+66ft-88ft

Overall

17204

Females

6106

F45-49

6106

25K→30K

15.5 - 18.6 mi

Top 60%
Γ—9
+181ft-148ft

Overall

17398

Females

6334

F45-49

6334

30K→20M

18.6 - 20.0 mi

Top 60%
Γ—5
+64ft-50ft

Overall

17340

Females

6376

F45-49

6376

20M→21M

20.0 - 21.0 mi

Top 60%
Γ—8
+106ft-24ft

Overall

17415

Females

6475

F45-49

6475

21M→35K

21.0 - 21.8 mi

Top 61%
Γ—7
+17ft-86ft

Overall

17657

Females

6706

F45-49

6706

35K→23M

21.8 - 23.0 mi

Top 60%
Γ—5
+23ft-63ft

Overall

17468

Females

6671

F45-49

6671

23M→24M

23.0 - 24.0 mi

Top 62%
Γ—6
+12ft-82ft

Overall

18121

Females

7044

F45-49

7044

24M→40K

24.0 - 24.9 mi

Top 64%
Γ—1
+6ft-20ft

Overall

18442

Females

7275

F45-49

7275

40K→25.2M

24.9 - 25.2 mi

Top 66%
Γ—1
+13ft-16ft

Overall

19060

Females

7583

F45-49

7583

25.2M→FINISH

25.2 - 26.2 mi

Top 63%
Γ—2
+22ft-21ft

Overall

18288

Females

7193

F45-49

7193

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1179
Passed By
1895
Net Change
-1413
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#15424
5K β†’ 10K195200-243#15424#15667
10K β†’ 15K168200-81#15667#15748
15K β†’ 20K93200-314#15748#16062
20K β†’ HALF11105-94#16062#16156
HALF β†’ 25K103200-179#16156#16335
25K β†’ 30K137200-184#16335#16519
30K β†’ 20M70109-39#16519#16558
20M β†’ 21M88116-28#16558#16586
21M β†’ 35K5964-5#16586#16591
35K β†’ 23M82128-46#16591#16637
23M β†’ 24M58118-60#16637#16697
24M β†’ 40K47109-62#16697#16759
40K β†’ 25.2M2953-24#16759#16783
25.2M β†’ FINISH3993-54#16783#16837
TOTALS11791895-1413
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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