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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Samantha Williams

Bib: 13147 •F •Age: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 26%
Gender (Female)
#0 / 12578
Top 9%
Age Group (F18-39)
#0 / 5716
Top 17%
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
22:11
3.11 mi
Rank: #9673
Start → 5K
22:11 | 7:09/mi
10K
44:20
6.21 mi
Rank: #9613 (+60)
5K → 10K
22:09 | 7:08/mi
15K
1:06:35
9.32 mi
Rank: #9637 (-24)
10K → 15K
22:15 | 7:10/mi
20K
1:28:42
12.43 mi
Rank: #9384 (+253)
15K → 20K
22:07 | 7:08/mi
HALF
1:33:29
13.11 mi
Rank: #9341 (+43)
20K → HALF
4:47 | 7:02/mi
25K
1:50:50
15.53 mi
Rank: #9179 (+162)
HALF → 25K
17:21 | 7:10/mi
30K
2:13:15
18.64 mi
Rank: #8821 (+358)
25K → 30K
22:25 | 7:13/mi
20M
2:22:58
20.00 mi
Rank: #8604 (+217)
30K → 20M
9:43 | 7:10/mi
21M
2:30:11
21.00 mi
Rank: #8327 (+277)
20M → 21M
7:13 | 7:13/mi
35K
2:35:34
21.75 mi
Rank: #8308 (+19)
21M → 35K
5:23 | 7:13/mi
23M
2:44:25
23.00 mi
Rank: #8118 (+190)
35K → 23M
8:51 | 7:05/mi
24M
2:51:21
24.00 mi
Rank: #7992 (+126)
23M → 24M
6:56 | 6:56/mi
40K
2:57:15
24.85 mi
Rank: #7798 (+194)
24M → 40K
5:54 | 6:55/mi
25.2M
2:59:49
25.20 mi
Rank: #7737 (+61)
40K → 25.2M
2:34 | 7:27/mi
FINISH
3:06:32
26.22 mi
Rank: #7576 (+161)
25.2M → FINISH
6:43 | 6:36/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:33:29
Pace7:08 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:33:03
Pace7:06 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5622:117:0922:11
7:09
-
10K
6.21 mi11:13:0544:207:0922:09
7:08
-0:01
15K
9.32 mi11:35:201:06:357:0922:15
7:10
+0:02
20K
12.43 mi11:57:271:28:427:0922:07
7:08
-0:02
HALF
13.11 mi12:02:141:33:297:084:47
7:02
-0:06
25K
15.53 mi12:19:351:50:507:0917:21
7:10
+0:08
30K
18.64 mi12:42:002:13:157:0922:25
7:13
+0:03
20M
20.00 mi12:51:432:22:587:099:43
7:10
-0:03
21M
21.00 mi12:58:552:30:117:107:13
7:13
+0:03
35K
21.75 mi13:04:192:35:347:105:23
7:13
0:00
23M
23.00 mi13:13:102:44:257:098:51
7:05
-0:08
24M
24.00 mi13:20:062:51:217:096:56
6:56
-0:09
40K
24.85 mi13:26:002:57:157:085:54
6:55
-0:01
25.2M
25.20 mi13:28:342:59:497:092:34
7:27
+0:32
FINISH
26.22 mi13:35:173:06:327:086:43
6:36
-0:51

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

6:36 /mi

Average Pace

7:07 /mi

Slowest Pace

7:27 /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

3:03:58

99% of race

Time at Steady Pace

2:34

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:07 /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 mi10:50:5622:117:0922:11
7:09
#9673
10K
6.21 mi11:13:0544:207:0922:09
7:08
#9613
15K
9.32 mi11:35:201:06:357:0922:15
7:10
#9637
20K
12.43 mi11:57:271:28:427:0922:07
7:08
#9384
HALF
13.11 mi12:02:141:33:297:084:47
7:02
#9341
25K
15.53 mi12:19:351:50:507:0917:21
7:10
#9179
30K
18.64 mi12:42:002:13:157:0922:25
7:13
#8821
20M
20.00 mi12:51:432:22:587:099:43
7:10
#8604
21M
21.00 mi12:58:552:30:117:107:13
7:13
#8327
35K
21.75 mi13:04:192:35:347:105:23
7:13
#8308
23M
23.00 mi13:13:102:44:257:098:51
7:05
#8118
24M
24.00 mi13:20:062:51:217:096:56
6:56
#7992
40K
24.85 mi13:26:002:57:157:085:54
6:55
#7798
25.2M
25.20 mi13:28:342:59:497:092:34
7:27
#7737
FINISH
26.22 mi13:35:173:06:327:086:43
6:36
#7576
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

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 mi9673172617269788(Top 34%)1838(Top 15%)1838(Top 32%)
10K6.21 mi3.10 mi9613+601697+291697+299618(Top 33%)1711(Top 14%)1711(Top 30%)
15K9.32 mi3.11 mi9637-241728-311728-319788(Top 34%)1838(Top 15%)1838(Top 32%)
20K12.43 mi3.11 mi9384+2531640+881640+888727(Top 30%)1441(Top 11%)1441(Top 25%)
HALF13.11 mi0.68 mi9341+431629+111629+118832(Top 30%)1417(Top 11%)1417(Top 25%)
25K15.53 mi2.42 mi9179+1621580+491580+498527(Top 29%)1457(Top 12%)1457(Top 25%)
30K18.64 mi3.11 mi8821+3581473+1071473+1077511(Top 26%)1181(Top 9%)1181(Top 21%)
20M20.00 mi1.36 mi8604+2171418+551418+556644(Top 23%)948(Top 8%)948(Top 17%)
21M21.00 mi1.00 mi8327+2771328+901328+904684(Top 16%)533(Top 4%)533(Top 9%)
35K21.75 mi0.75 mi8308+191335-71335-78606(Top 30%)1855(Top 15%)1855(Top 32%)
23M23.00 mi1.25 mi8118+1901293+421293+425965(Top 21%)872(Top 7%)872(Top 15%)
24M24.00 mi1.00 mi7992+1261261+321261+326068(Top 21%)979(Top 8%)979(Top 17%)
40K24.85 mi0.85 mi7798+1941215+461215+464919(Top 17%)689(Top 5%)689(Top 12%)
25.2M25.20 mi0.35 mi7737+611199+161199+165014(Top 17%)782(Top 6%)782(Top 14%)
FINISH26.22 mi1.02 mi7576+1611162+371162+374750(Top 16%)727(Top 6%)727(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21
+97ft-345ft

Overall

9788

Females

1838

F18-39

1838

5K→10K

3.1 - 6.2 mi

Top 33%
×5
+79ft-138ft

Overall

9618

Females

1711

F18-39

1711

10K→15K

6.2 - 9.3 mi

Top 34%
×3
+67ft-78ft

Overall

9788

Females

1838

F18-39

1838

15K→20K

9.3 - 12.4 mi

Top 30%
×5
+106ft-86ft

Overall

8727

Females

1441

F18-39

1441

20K→HALF

12.4 - 13.1 mi

Top 30%
×2
+19ft-37ft

Overall

8832

Females

1417

F18-39

1417

HALF→25K

13.1 - 15.5 mi

Top 29%
×4
+66ft-88ft

Overall

8527

Females

1457

F18-39

1457

25K→30K

15.5 - 18.6 mi

Top 26%
×9
+181ft-148ft

Overall

7511

Females

1181

F18-39

1181

30K→20M

18.6 - 20.0 mi

Top 23%
×5
+64ft-50ft

Overall

6644

Females

948

F18-39

948

20M→21M

20.0 - 21.0 mi

Top 16%
×8
+106ft-24ft

Overall

4684

Females

533

F18-39

533

21M→35K

21.0 - 21.8 mi

Top 30%
×7
+17ft-86ft

Overall

8606

Females

1855

F18-39

1855

35K→23M

21.8 - 23.0 mi

Top 21%
×5
+23ft-63ft

Overall

5965

Females

872

F18-39

872

23M→24M

23.0 - 24.0 mi

Top 21%
×6
+12ft-82ft

Overall

6068

Females

979

F18-39

979

24M→40K

24.0 - 24.9 mi

Top 17%
×1
+6ft-20ft

Overall

4919

Females

689

F18-39

689

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1
+13ft-16ft

Overall

5014

Females

782

F18-39

782

25.2M→FINISH

25.2 - 26.2 mi

Top 16%
×2
+22ft-21ft

Overall

4750

Females

727

F18-39

727

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2629*
Passed By
531
Net Change
+2097
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9673
5K → 10K260*200+60#9673#9613
10K → 15K149172-24#9613#9637
15K → 20K284*31+253#9637#9384
20K → HALF463+43#9384#9341
HALF → 25K19028+162#9341#9179
25K → 30K378*20+358#9179#8821
30K → 20M223*6+217#8821#8604
20M → 21M279*2+277#8604#8327
21M → 35K5839+19#8327#8308
35K → 23M202*12+190#8308#8118
23M → 24M1326+126#8118#7992
24M → 40K1973+194#7992#7798
40K → 25.2M632+61#7798#7737
25.2M → FINISH1687+161#7737#7576
TOTALS2629*531+2097

* 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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

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