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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Joanna Williams

Bib: 16173 β€’F β€’Age: N/A

NJ

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 35%
Gender (Female)
#0 / 12578
Top 18%
Age Group (F18-39)
#0 / 5716
Top 33%
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
22:20
3.11 mi
Rank: #10078
Start β†’ 5K
22:20 | 7:12/mi
10K
44:25
6.21 mi
Rank: #9755 (+323)
5K β†’ 10K
22:05 | 7:07/mi
15K
1:07:10
9.32 mi
Rank: #10211 (-456)
10K β†’ 15K
22:45 | 7:20/mi
20K
1:30:32
12.43 mi
Rank: #10669 (-458)
15K β†’ 20K
23:22 | 7:32/mi
HALF
1:35:32
13.11 mi
Rank: #10694 (-25)
20K β†’ HALF
5:00 | 7:21/mi
25K
1:53:54
15.53 mi
Rank: #10913 (-219)
HALF β†’ 25K
18:22 | 7:35/mi
30K
2:17:32
18.64 mi
Rank: #10786 (+127)
25K β†’ 30K
23:38 | 7:37/mi
20M
2:27:48
20.00 mi
Rank: #10662 (+124)
30K β†’ 20M
10:16 | 7:34/mi
21M
2:35:35
21.00 mi
Rank: #10489 (+173)
20M β†’ 21M
7:47 | 7:47/mi
35K
2:41:06
21.75 mi
Rank: #10451 (+38)
21M β†’ 35K
5:31 | 7:23/mi
23M
2:50:33
23.00 mi
Rank: #10321 (+130)
35K β†’ 23M
9:27 | 7:34/mi
24M
2:57:54
24.00 mi
Rank: #10211 (+110)
23M β†’ 24M
7:21 | 7:21/mi
40K
3:04:22
24.85 mi
Rank: #10164 (+47)
24M β†’ 40K
6:28 | 7:34/mi
25.2M
3:07:17
25.20 mi
Rank: #10164
40K β†’ 25.2M
2:55 | 8:28/mi
FINISH
3:14:50
26.22 mi
Rank: #10179 (-15)
25.2M β†’ FINISH
7:33 | 7:25/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:35:32
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:39:18
Pace7:35 /mi
πŸ“ŠPositive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:03:4422:207:1222:20
7:12
-
10K
6.21 mi11:25:4944:257:0922:05
7:07
-0:05
15K
9.32 mi11:48:341:07:107:1322:45
7:20
+0:13
20K
12.43 mi12:11:561:30:327:1823:22
7:32
+0:12
HALF
13.11 mi12:16:561:35:327:185:00
7:21
-0:11
25K
15.53 mi12:35:181:53:547:2018:22
7:35
+0:14
30K
18.64 mi12:58:562:17:327:2323:38
7:37
+0:02
20M
20.00 mi13:09:122:27:487:2410:16
7:34
-0:03
21M
21.00 mi13:16:592:35:357:257:47
7:47
+0:13
35K
21.75 mi13:22:302:41:067:255:31
7:23
-0:24
23M
23.00 mi13:31:572:50:337:259:27
7:34
+0:11
24M
24.00 mi13:39:182:57:547:257:21
7:21
-0:13
40K
24.85 mi13:45:463:04:227:266:28
7:34
+0:13
25.2M
25.20 mi13:48:413:07:177:262:55
8:28
+0:54
FINISH
26.22 mi13:56:143:14:507:277:33
7:25
-1:03

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

7:07 /mi

Average Pace

7:26 /mi

Slowest Pace

8:28 /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

3:11:55

99% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

2:55

1% of race

Average Pace: 7:26 /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 mi11:03:4422:207:1222:20
7:12
#10078
10K
6.21 mi11:25:4944:257:0922:05
7:07
#9755
15K
9.32 mi11:48:341:07:107:1322:45
7:20
#10211
20K
12.43 mi12:11:561:30:327:1823:22
7:32
#10669
HALF
13.11 mi12:16:561:35:327:185:00
7:21
#10694
25K
15.53 mi12:35:181:53:547:2018:22
7:35
#10913
30K
18.64 mi12:58:562:17:327:2323:38
7:37
#10786
20M
20.00 mi13:09:122:27:487:2410:16
7:34
#10662
21M
21.00 mi13:16:592:35:357:257:47
7:47
#10489
35K
21.75 mi13:22:302:41:067:255:31
7:23
#10451
23M
23.00 mi13:31:572:50:337:259:27
7:34
#10321
24M
24.00 mi13:39:182:57:547:257:21
7:21
#10211
40K
24.85 mi13:45:463:04:227:266:28
7:34
#10164
25.2M
25.20 mi13:48:413:07:177:262:55
8:28
#10164
FINISH
26.22 mi13:56:143:14:507:277:33
7:25
#10179
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 mi100781918191811277(Top 39%)2624(Top 21%)2624(Top 46%)
10K6.21 mi3.10 mi9755+3231771+1471771+1479469(Top 33%)1668(Top 13%)1668(Top 29%)
15K9.32 mi3.11 mi10211-4562019-2482019-24811277(Top 39%)2624(Top 21%)2624(Top 46%)
20K12.43 mi3.11 mi10669-4582297-2782297-27812162(Top 42%)3191(Top 25%)3191(Top 56%)
HALF13.11 mi0.68 mi10694-252308-112308-1111531(Top 40%)2756(Top 22%)2756(Top 48%)
25K15.53 mi2.42 mi10913-2192447-1392447-13912045(Top 42%)3190(Top 25%)3190(Top 56%)
30K18.64 mi3.11 mi10786+1272438+92438+910500(Top 36%)2514(Top 20%)2514(Top 44%)
20M20.00 mi1.36 mi10662+1242398+402398+409527(Top 33%)2159(Top 17%)2159(Top 38%)
21M21.00 mi1.00 mi10489+1732338+602338+608431(Top 29%)1795(Top 14%)1795(Top 31%)
35K21.75 mi0.75 mi10451+382336+22336+29932(Top 34%)2455(Top 20%)2455(Top 43%)
23M23.00 mi1.25 mi10321+1302306+302306+309257(Top 32%)2213(Top 18%)2213(Top 39%)
24M24.00 mi1.00 mi10211+1102279+272279+279007(Top 31%)2177(Top 17%)2177(Top 38%)
40K24.85 mi0.85 mi10164+472272+72272+79339(Top 32%)2437(Top 19%)2437(Top 43%)
25.2M25.20 mi0.35 mi101642285-132285-1311373(Top 39%)3529(Top 28%)3529(Top 62%)
FINISH26.22 mi1.02 mi10179-152324-392324-3910739(Top 37%)3213(Top 26%)3213(Top 56%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
Γ—21
+97ft-345ft

Overall

11277

Females

2624

F18-39

2624

5K→10K

3.1 - 6.2 mi

Top 33%
Γ—5
+79ft-138ft

Overall

9469

Females

1668

F18-39

1668

10K→15K

6.2 - 9.3 mi

Top 39%
Γ—3
+67ft-78ft

Overall

11277

Females

2624

F18-39

2624

15K→20K

9.3 - 12.4 mi

Top 42%
Γ—5
+106ft-86ft

Overall

12162

Females

3191

F18-39

3191

20K→HALF

12.4 - 13.1 mi

Top 40%
Γ—2
+19ft-37ft

Overall

11531

Females

2756

F18-39

2756

HALF→25K

13.1 - 15.5 mi

Top 42%
Γ—4
+66ft-88ft

Overall

12045

Females

3190

F18-39

3190

25K→30K

15.5 - 18.6 mi

Top 36%
Γ—9
+181ft-148ft

Overall

10500

Females

2514

F18-39

2514

30K→20M

18.6 - 20.0 mi

Top 33%
Γ—5
+64ft-50ft

Overall

9527

Females

2159

F18-39

2159

20M→21M

20.0 - 21.0 mi

Top 29%
Γ—8
+106ft-24ft

Overall

8431

Females

1795

F18-39

1795

21M→35K

21.0 - 21.8 mi

Top 34%
Γ—7
+17ft-86ft

Overall

9932

Females

2455

F18-39

2455

35K→23M

21.8 - 23.0 mi

Top 32%
Γ—5
+23ft-63ft

Overall

9257

Females

2213

F18-39

2213

23M→24M

23.0 - 24.0 mi

Top 31%
Γ—6
+12ft-82ft

Overall

9007

Females

2177

F18-39

2177

24M→40K

24.0 - 24.9 mi

Top 32%
Γ—1
+6ft-20ft

Overall

9339

Females

2437

F18-39

2437

40K→25.2M

24.9 - 25.2 mi

Top 39%
Γ—1
+13ft-16ft

Overall

11373

Females

3529

F18-39

3529

25.2M→FINISH

25.2 - 26.2 mi

Top 37%
Γ—2
+22ft-21ft

Overall

10739

Females

3213

F18-39

3213

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1843*
Passed By
1217
Net Change
-101
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#10078
5K β†’ 10K445*122+323#10078#9755
10K β†’ 15K55200-456#9755#10211
15K β†’ 20K53200-458#10211#10669
20K β†’ HALF2247-25#10669#10694
HALF β†’ 25K86200-219#10694#10913
25K β†’ 30K250*123+127#10913#10786
30K β†’ 20M15228+124#10786#10662
20M β†’ 21M20027+173#10662#10489
21M β†’ 35K6830+38#10489#10451
35K β†’ 23M17545+130#10451#10321
23M β†’ 24M13727+110#10321#10211
24M β†’ 40K8841+47#10211#10164
40K β†’ 25.2M44440#10164#10164
25.2M β†’ FINISH6883-15#10164#10179
TOTALS1843*1217-101

* 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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