All Results|Race Analytics|Course|Contact

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Brenda Walker

Bib: 17231 •F •Age: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Top 23%
Gender (Female)
#0 / 12578
Top 6%
Age Group (F18-39)
#0 / 5716
Top 12%
Race Day Weather
51°/41°F
overcast clouds
Unlock Your Full

AI Performance Report

New

Understand What Really Happened During Your Race

Go deeper with personalized analysis powered by your official race data.

Your AI Performance Report includes:
  • Fatigue & pacing analysis
  • Finish time optimization
  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
  • Downloadable athlete report
Shareable via link — view it anywhere, share with anyone
AI Report Preview
Generating your preview…
$4.99
One-time purchase for this race
Includes a shareable link

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
20:55
3.11 mi
Rank: #6225
Start → 5K
20:55 | 6:44/mi
10K
42:21
6.21 mi
Rank: #7058 (-833)
5K → 10K
21:26 | 6:54/mi
15K
1:03:47
9.32 mi
Rank: #7294 (-236)
10K → 15K
21:26 | 6:54/mi
20K
1:25:29
12.43 mi
Rank: #7413 (-119)
15K → 20K
21:42 | 7:00/mi
HALF
1:30:08
13.11 mi
Rank: #7385 (+28)
20K → HALF
4:39 | 6:50/mi
25K
1:46:54
15.53 mi
Rank: #7249 (+136)
HALF → 25K
16:46 | 6:55/mi
30K
2:08:31
18.64 mi
Rank: #6910 (+339)
25K → 30K
21:37 | 6:58/mi
20M
2:18:00
20.00 mi
Rank: #6754 (+156)
30K → 20M
9:29 | 6:59/mi
21M
2:25:25
21.00 mi
Rank: #6687 (+67)
20M → 21M
7:25 | 7:25/mi
35K
2:30:35
21.75 mi
Rank: #6652 (+35)
21M → 35K
5:10 | 6:55/mi
23M
2:39:42
23.00 mi
Rank: #6641 (+11)
35K → 23M
9:07 | 7:18/mi
24M
2:46:56
24.00 mi
Rank: #6652 (-11)
23M → 24M
7:14 | 7:14/mi
40K
2:53:17
24.85 mi
Rank: #6656 (-4)
24M → 40K
6:21 | 7:26/mi
25.2M
2:56:01
25.20 mi
Rank: #6650 (+6)
40K → 25.2M
2:44 | 7:56/mi
FINISH
3:02:52
26.22 mi
Rank: #6560 (+90)
25.2M → FINISH
6:51 | 6:44/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:30:08
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:32:44
Pace7:05 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:02:3920:556:4420:55
6:44
-
10K
6.21 mi11:24:0542:216:4921:26
6:54
+0:10
15K
9.32 mi11:45:311:03:476:5121:26
6:54
0:00
20K
12.43 mi12:07:131:25:296:5321:42
7:00
+0:06
HALF
13.11 mi12:11:521:30:086:534:39
6:50
-0:10
25K
15.53 mi12:28:381:46:546:5316:46
6:55
+0:05
30K
18.64 mi12:50:152:08:316:5421:37
6:58
+0:03
20M
20.00 mi12:59:442:18:006:559:29
6:59
+0:01
21M
21.00 mi13:07:092:25:256:567:25
7:25
+0:26
35K
21.75 mi13:12:192:30:356:565:10
6:55
-0:30
23M
23.00 mi13:21:262:39:426:579:07
7:18
+0:23
24M
24.00 mi13:28:402:46:566:587:14
7:14
-0:04
40K
24.85 mi13:35:012:53:176:596:21
7:26
+0:12
25.2M
25.20 mi13:37:452:56:017:002:44
7:56
+0:30
FINISH
26.22 mi13:44:363:02:526:596:51
6:44
-1:12

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

6:44 /mi

Average Pace

6:59 /mi

Slowest Pace

7:56 /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

2:46:22

91% of race

Time at Steady Pace

16:30

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:58 /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 mi11:02:3920:556:4420:55
6:44
#6225
10K
6.21 mi11:24:0542:216:4921:26
6:54
#7058
15K
9.32 mi11:45:311:03:476:5121:26
6:54
#7294
20K
12.43 mi12:07:131:25:296:5321:42
7:00
#7413
HALF
13.11 mi12:11:521:30:086:534:39
6:50
#7385
25K
15.53 mi12:28:381:46:546:5316:46
6:55
#7249
30K
18.64 mi12:50:152:08:316:5421:37
6:58
#6910
20M
20.00 mi12:59:442:18:006:559:29
6:59
#6754
21M
21.00 mi13:07:092:25:256:567:25
7:25
#6687
35K
21.75 mi13:12:192:30:356:565:10
6:55
#6652
23M
23.00 mi13:21:262:39:426:579:07
7:18
#6641
24M
24.00 mi13:28:402:46:566:587:14
7:14
#6652
40K
24.85 mi13:35:012:53:176:596:21
7:26
#6656
25.2M
25.20 mi13:37:452:56:017:002:44
7:56
#6650
FINISH
26.22 mi13:44:363:02:526:596:51
6:44
#6560
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 mi62255695697795(Top 27%)1039(Top 8%)1039(Top 18%)
10K6.21 mi3.10 mi7058-833792-223792-2237918(Top 27%)1060(Top 8%)1060(Top 19%)
15K9.32 mi3.11 mi7294-236871-79871-797795(Top 27%)1039(Top 8%)1039(Top 18%)
20K12.43 mi3.11 mi7413-119922-51922-517757(Top 27%)1050(Top 8%)1050(Top 18%)
HALF13.11 mi0.68 mi7385+28916+6916+67383(Top 25%)918(Top 7%)918(Top 16%)
25K15.53 mi2.42 mi7249+136879+37879+376827(Top 24%)822(Top 7%)822(Top 14%)
30K18.64 mi3.11 mi6910+339803+76803+765605(Top 19%)588(Top 5%)588(Top 10%)
20M20.00 mi1.36 mi6754+156773+30773+305454(Top 19%)598(Top 5%)598(Top 10%)
21M21.00 mi1.00 mi6687+67760+13760+135994(Top 21%)868(Top 7%)868(Top 15%)
35K21.75 mi0.75 mi6652+35758+2758+26483(Top 22%)976(Top 8%)976(Top 17%)
23M23.00 mi1.25 mi6641+11774-16774-167371(Top 25%)1355(Top 11%)1355(Top 24%)
24M24.00 mi1.00 mi6652-11792-18792-188107(Top 28%)1764(Top 14%)1764(Top 31%)
40K24.85 mi0.85 mi6656-4806-14806-148350(Top 29%)1946(Top 15%)1946(Top 34%)
25.2M25.20 mi0.35 mi6650+6808-2808-27931(Top 27%)1814(Top 14%)1814(Top 32%)
FINISH26.22 mi1.02 mi6560+90800+8800+85616(Top 19%)971(Top 8%)971(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21
+97ft-345ft

Overall

7795

Females

1039

F18-39

1039

5K→10K

3.1 - 6.2 mi

Top 27%
×5
+79ft-138ft

Overall

7918

Females

1060

F18-39

1060

10K→15K

6.2 - 9.3 mi

Top 27%
×3
+67ft-78ft

Overall

7795

Females

1039

F18-39

1039

15K→20K

9.3 - 12.4 mi

Top 27%
×5
+106ft-86ft

Overall

7757

Females

1050

F18-39

1050

20K→HALF

12.4 - 13.1 mi

Top 25%
×2
+19ft-37ft

Overall

7383

Females

918

F18-39

918

HALF→25K

13.1 - 15.5 mi

Top 24%
×4
+66ft-88ft

Overall

6827

Females

822

F18-39

822

25K→30K

15.5 - 18.6 mi

Top 19%
×9
+181ft-148ft

Overall

5605

Females

588

F18-39

588

30K→20M

18.6 - 20.0 mi

Top 19%
×5
+64ft-50ft

Overall

5454

Females

598

F18-39

598

20M→21M

20.0 - 21.0 mi

Top 21%
×8
+106ft-24ft

Overall

5994

Females

868

F18-39

868

21M→35K

21.0 - 21.8 mi

Top 22%
×7
+17ft-86ft

Overall

6483

Females

976

F18-39

976

35K→23M

21.8 - 23.0 mi

Top 25%
×5
+23ft-63ft

Overall

7371

Females

1355

F18-39

1355

23M→24M

23.0 - 24.0 mi

Top 28%
×6
+12ft-82ft

Overall

8107

Females

1764

F18-39

1764

24M→40K

24.0 - 24.9 mi

Top 29%
×1
+6ft-20ft

Overall

8350

Females

1946

F18-39

1946

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1
+13ft-16ft

Overall

7931

Females

1814

F18-39

1814

25.2M→FINISH

25.2 - 26.2 mi

Top 19%
×2
+22ft-21ft

Overall

5616

Females

971

F18-39

971

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1440*
Passed By
973
Net Change
-335
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6225
5K → 10K36200-833#6225#7058
10K → 15K75200-236#7058#7294
15K → 20K103200-119#7294#7413
20K → HALF4517+28#7413#7385
HALF → 25K18549+136#7385#7249
25K → 30K358*19+339#7249#6910
30K → 20M16711+156#6910#6754
20M → 21M9326+67#6754#6687
21M → 35K5823+35#6687#6652
35K → 23M9382+11#6652#6641
23M → 24M4253-11#6641#6652
24M → 40K6165-4#6652#6656
40K → 25.2M2216+6#6656#6650
25.2M → FINISH10212+90#6650#6560
TOTALS1440*973-335

* 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

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback