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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Samantha Chow

Bib: 33686 β€’F β€’Age: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
30:05
3.11 mi
Rank: #25043
Start β†’ 5K
30:05 | 9:41/mi
10K
1:00:25
6.21 mi
Rank: #25150 (-107)
5K β†’ 10K
30:20 | 9:46/mi
15K
1:31:11
9.32 mi
Rank: #25251 (-101)
10K β†’ 15K
30:46 | 9:55/mi
20K
2:01:47
12.43 mi
Rank: #25118 (+133)
15K β†’ 20K
30:36 | 9:51/mi
HALF
2:08:19
13.11 mi
Rank: #25089 (+29)
20K β†’ HALF
6:32 | 9:36/mi
25K
2:32:17
15.53 mi
Rank: #24918 (+171)
HALF β†’ 25K
23:58 | 9:53/mi
30K
3:03:10
18.64 mi
Rank: #24571 (+347)
25K β†’ 30K
30:53 | 9:57/mi
20M
3:16:44
20.00 mi
Rank: #24413 (+158)
30K β†’ 20M
13:34 | 10:00/mi
21M
3:27:48
21.00 mi
Rank: #24329 (+84)
20M β†’ 21M
11:04 | 11:04/mi
35K
3:35:08
21.75 mi
Rank: #24271 (+58)
21M β†’ 35K
7:20 | 9:49/mi
23M
3:48:50
23.00 mi
Rank: #24277 (-6)
35K β†’ 23M
13:42 | 10:57/mi
24M
3:59:57
24.00 mi
Rank: #24319 (-42)
23M β†’ 24M
11:07 | 11:07/mi
40K
4:08:35
24.85 mi
Rank: #24227 (+92)
24M β†’ 40K
8:38 | 10:06/mi
25.2M
4:12:26
25.20 mi
Rank: #24207 (+20)
40K β†’ 25.2M
3:51 | 11:10/mi
FINISH
4:23:25
26.22 mi
Rank: #24256 (-49)
25.2M β†’ FINISH
10:59 | 10:47/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:08:19
Pace9:48 /mi
2nd Half
Distance13.11 mi
Time2:15:06
Pace10:19 /mi
πŸ“ŠPositive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:01:4130:059:4130:05
9:41
-
10K
6.21 mi12:32:011:00:259:4430:20
9:46
+0:05
15K
9.32 mi13:02:471:31:119:4730:46
9:55
+0:09
20K
12.43 mi13:33:232:01:479:4830:36
9:51
-0:04
HALF
13.11 mi13:39:552:08:199:486:32
9:36
-0:15
25K
15.53 mi14:03:532:32:179:4923:58
9:53
+0:17
30K
18.64 mi14:34:463:03:109:5030:53
9:57
+0:04
20M
20.00 mi14:48:203:16:449:5113:34
10:00
+0:03
21M
21.00 mi14:59:243:27:489:5411:04
11:04
+1:04
35K
21.75 mi15:06:443:35:089:547:20
9:49
-1:15
23M
23.00 mi15:20:263:48:509:5713:42
10:57
+1:08
24M
24.00 mi15:31:333:59:5710:0011:07
11:07
+0:10
40K
24.85 mi15:40:114:08:3510:018:38
10:06
-1:01
25.2M
25.20 mi15:44:024:12:2610:023:51
11:10
+1:04
FINISH
26.22 mi15:55:014:23:2510:0410:59
10:47
-0:23

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

9:36 /mi

Average Pace

10:03 /mi

Slowest Pace

11:10 /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

3:32:42

81% of race

Time at Steady Pace

50:43

19% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:03 /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 mi12:01:4130:059:4130:05
9:41
#25043
10K
6.21 mi12:32:011:00:259:4430:20
9:46
#25150
15K
9.32 mi13:02:471:31:119:4730:46
9:55
#25251
20K
12.43 mi13:33:232:01:479:4830:36
9:51
#25118
HALF
13.11 mi13:39:552:08:199:486:32
9:36
#25089
25K
15.53 mi14:03:532:32:179:4923:58
9:53
#24918
30K
18.64 mi14:34:463:03:109:5030:53
9:57
#24571
20M
20.00 mi14:48:203:16:449:5113:34
10:00
#24413
21M
21.00 mi14:59:243:27:489:5411:04
11:04
#24329
35K
21.75 mi15:06:443:35:089:547:20
9:49
#24271
23M
23.00 mi15:20:263:48:509:5713:42
10:57
#24277
24M
24.00 mi15:31:333:59:5710:0011:07
11:07
#24319
40K
24.85 mi15:40:114:08:3510:018:38
10:06
#24227
25.2M
25.20 mi15:44:024:12:2610:023:51
11:10
#24207
FINISH
26.22 mi15:55:014:23:2510:0410:59
10:47
#24256
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25043101991019925451(Top 88%)10411(Top 83%)10411(Top 182%)
10K6.21 mi3.10 mi25150-10710262-6310262-6325256(Top 87%)10306(Top 82%)10306(Top 180%)
15K9.32 mi3.11 mi25251-10110314-5210314-5225451(Top 88%)10411(Top 83%)10411(Top 182%)
20K12.43 mi3.11 mi25118+13310255+5910255+5924670(Top 85%)10030(Top 80%)10030(Top 175%)
HALF13.11 mi0.68 mi25089+2910238+1710238+1724617(Top 85%)10006(Top 80%)10006(Top 175%)
25K15.53 mi2.42 mi24918+17110141+9710141+9724010(Top 83%)9713(Top 77%)9713(Top 170%)
30K18.64 mi3.11 mi24571+3479990+1519990+15122973(Top 79%)9274(Top 74%)9274(Top 162%)
20M20.00 mi1.36 mi24413+1589926+649926+6422558(Top 78%)9142(Top 73%)9142(Top 160%)
21M21.00 mi1.00 mi24329+849894+329894+3223276(Top 80%)9581(Top 76%)9581(Top 168%)
35K21.75 mi0.75 mi24271+589877+179877+1722657(Top 78%)9295(Top 74%)9295(Top 163%)
23M23.00 mi1.25 mi24277-69902-259902-2524391(Top 84%)10254(Top 82%)10254(Top 179%)
24M24.00 mi1.00 mi24319-429948-469948-4625337(Top 87%)10768(Top 86%)10768(Top 188%)
40K24.85 mi0.85 mi24227+929912+369912+3622227(Top 77%)9224(Top 73%)9224(Top 161%)
25.2M25.20 mi0.35 mi24207+209904+89904+822807(Top 79%)9510(Top 76%)9510(Top 166%)
FINISH26.22 mi1.02 mi24256-499949-459949-4525683(Top 88%)10990(Top 87%)10990(Top 192%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
Γ—21
+97ft-345ft

Overall

25451

Females

10411

F18-39

10411

5K→10K

3.1 - 6.2 mi

Top 87%
Γ—5
+79ft-138ft

Overall

25256

Females

10306

F18-39

10306

10K→15K

6.2 - 9.3 mi

Top 88%
Γ—3
+67ft-78ft

Overall

25451

Females

10411

F18-39

10411

15K→20K

9.3 - 12.4 mi

Top 85%
Γ—5
+106ft-86ft

Overall

24670

Females

10030

F18-39

10030

20K→HALF

12.4 - 13.1 mi

Top 85%
Γ—2
+19ft-37ft

Overall

24617

Females

10006

F18-39

10006

HALF→25K

13.1 - 15.5 mi

Top 83%
Γ—4
+66ft-88ft

Overall

24010

Females

9713

F18-39

9713

25K→30K

15.5 - 18.6 mi

Top 79%
Γ—9
+181ft-148ft

Overall

22973

Females

9274

F18-39

9274

30K→20M

18.6 - 20.0 mi

Top 78%
Γ—5
+64ft-50ft

Overall

22558

Females

9142

F18-39

9142

20M→21M

20.0 - 21.0 mi

Top 80%
Γ—8
+106ft-24ft

Overall

23276

Females

9581

F18-39

9581

21M→35K

21.0 - 21.8 mi

Top 78%
Γ—7
+17ft-86ft

Overall

22657

Females

9295

F18-39

9295

35K→23M

21.8 - 23.0 mi

Top 84%
Γ—5
+23ft-63ft

Overall

24391

Females

10254

F18-39

10254

23M→24M

23.0 - 24.0 mi

Top 87%
Γ—6
+12ft-82ft

Overall

25337

Females

10768

F18-39

10768

24M→40K

24.0 - 24.9 mi

Top 77%
Γ—1
+6ft-20ft

Overall

22227

Females

9224

F18-39

9224

40K→25.2M

24.9 - 25.2 mi

Top 79%
Γ—1
+13ft-16ft

Overall

22807

Females

9510

F18-39

9510

25.2M→FINISH

25.2 - 26.2 mi

Top 88%
Γ—2
+22ft-21ft

Overall

25683

Females

10990

F18-39

10990

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1621*
Passed By
766
Net Change
+787
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#25043
5K β†’ 10K155200-107#25043#25150
10K β†’ 15K105200-101#25150#25251
15K β†’ 20K19360+133#25251#25118
20K β†’ HALF4415+29#25118#25089
HALF β†’ 25K18514+171#25089#24918
25K β†’ 30K356*9+347#24918#24571
30K β†’ 20M1624+158#24571#24413
20M β†’ 21M10521+84#24413#24329
21M β†’ 35K679+58#24329#24271
35K β†’ 23M6167-6#24271#24277
23M β†’ 24M3779-42#24277#24319
24M β†’ 40K986+92#24319#24227
40K β†’ 25.2M3010+20#24227#24207
25.2M β†’ FINISH2372-49#24207#24256
TOTALS1621*766+787

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

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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Qualifying & Age Grade

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OTQ

Olympic Trials Qualifying analysis available

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