All Results|Race Analytics|Course|Contact

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Heather Mcdonald

Bib: 23189 •F •Age: N/A

UT

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Top 47%
Age Group (F45-49)
#0 / 1786
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
26:43
3.11 mi
Rank: #20620
Start → 5K
26:43 | 8:36/mi
10K
53:18
6.21 mi
Rank: #20614 (+6)
5K → 10K
26:35 | 8:34/mi
15K
1:19:44
9.32 mi
Rank: #20455 (+159)
10K → 15K
26:26 | 8:31/mi
20K
1:46:15
12.43 mi
Rank: #20190 (+265)
15K → 20K
26:31 | 8:33/mi
HALF
1:52:06
13.11 mi
Rank: #20207 (-17)
20K → HALF
5:51 | 8:35/mi
25K
2:12:48
15.53 mi
Rank: #19994 (+213)
HALF → 25K
20:42 | 8:33/mi
30K
2:40:36
18.64 mi
Rank: #19859 (+135)
25K → 30K
27:48 | 8:57/mi
20M
2:52:43
20.00 mi
Rank: #19761 (+98)
30K → 20M
12:07 | 8:56/mi
21M
3:02:09
21.00 mi
Rank: #19672 (+89)
20M → 21M
9:26 | 9:26/mi
35K
3:08:32
21.75 mi
Rank: #19609 (+63)
21M → 35K
6:23 | 8:32/mi
23M
3:19:15
23.00 mi
Rank: #19398 (+211)
35K → 23M
10:43 | 8:34/mi
24M
3:27:33
24.00 mi
Rank: #19228 (+170)
23M → 24M
8:18 | 8:18/mi
40K
3:34:44
24.85 mi
Rank: #19080 (+148)
24M → 40K
7:11 | 8:25/mi
25.2M
3:37:43
25.20 mi
Rank: #18975 (+105)
40K → 25.2M
2:59 | 8:40/mi
FINISH
3:45:33
26.22 mi
Rank: #18768 (+207)
25.2M → FINISH
7:50 | 7:42/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:52:06
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time1:53:27
Pace8:40 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:3626:438:3626:43
8:36
-
10K
6.21 mi11:56:1153:188:3526:35
8:34
-0:02
15K
9.32 mi12:22:371:19:448:3426:26
8:31
-0:03
20K
12.43 mi12:49:081:46:158:3326:31
8:33
+0:02
HALF
13.11 mi12:54:591:52:068:345:51
8:35
+0:02
25K
15.53 mi13:15:412:12:488:3320:42
8:33
-0:02
30K
18.64 mi13:43:292:40:368:3727:48
8:57
+0:24
20M
20.00 mi13:55:362:52:438:3912:07
8:56
-0:01
21M
21.00 mi14:05:023:02:098:419:26
9:26
+0:30
35K
21.75 mi14:11:253:08:328:416:23
8:32
-0:54
23M
23.00 mi14:22:083:19:158:4010:43
8:34
+0:02
24M
24.00 mi14:30:263:27:338:398:18
8:18
-0:16
40K
24.85 mi14:37:373:34:448:397:11
8:25
+0:07
25.2M
25.20 mi14:40:363:37:438:392:59
8:40
+0:15
FINISH
26.22 mi14:48:263:45:338:377:50
7:42
-0:58

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

7:42 /mi

Average Pace

8:37 /mi

Slowest Pace

9:26 /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

16:08

7% of race

Time at Steady Pace

2:40:04

71% of race

Time at Slower Pace

49:21

22% of race

Average Pace: 8:36 /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 mi11:29:3626:438:3626:43
8:36
#20620
10K
6.21 mi11:56:1153:188:3526:35
8:34
#20614
15K
9.32 mi12:22:371:19:448:3426:26
8:31
#20455
20K
12.43 mi12:49:081:46:158:3326:31
8:33
#20190
HALF
13.11 mi12:54:591:52:068:345:51
8:35
#20207
25K
15.53 mi13:15:412:12:488:3320:42
8:33
#19994
30K
18.64 mi13:43:292:40:368:3727:48
8:57
#19859
20M
20.00 mi13:55:362:52:438:3912:07
8:56
#19761
21M
21.00 mi14:05:023:02:098:419:26
9:26
#19672
35K
21.75 mi14:11:253:08:328:416:23
8:32
#19609
23M
23.00 mi14:22:083:19:158:4010:43
8:34
#19398
24M
24.00 mi14:30:263:27:338:398:18
8:18
#19228
40K
24.85 mi14:37:373:34:448:397:11
8:25
#19080
25.2M
25.20 mi14:40:363:37:438:392:59
8:40
#18975
FINISH
26.22 mi14:48:263:45:338:377:50
7:42
#18768
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 mi206207967796720207(Top 70%)7698(Top 61%)7698(Top 431%)
10K6.21 mi3.10 mi20614+67947+207947+2020663(Top 71%)7945(Top 63%)7945(Top 445%)
15K9.32 mi3.11 mi20455+1597843+1047843+10420207(Top 70%)7698(Top 61%)7698(Top 431%)
20K12.43 mi3.11 mi20190+2657730+1137730+11319508(Top 67%)7367(Top 59%)7367(Top 412%)
HALF13.11 mi0.68 mi20207-177740-107740-1020735(Top 71%)7968(Top 63%)7968(Top 446%)
25K15.53 mi2.42 mi19994+2137629+1117629+11118787(Top 65%)7005(Top 56%)7005(Top 392%)
30K18.64 mi3.11 mi19859+1357580+497580+4919333(Top 67%)7395(Top 59%)7395(Top 414%)
20M20.00 mi1.36 mi19761+987551+297551+2918568(Top 64%)7064(Top 56%)7064(Top 396%)
21M21.00 mi1.00 mi19672+897517+347517+3418242(Top 63%)6916(Top 55%)6916(Top 387%)
35K21.75 mi0.75 mi19609+637489+287489+2817792(Top 61%)6783(Top 54%)6783(Top 380%)
23M23.00 mi1.25 mi19398+2117393+967393+9616123(Top 56%)5923(Top 47%)5923(Top 332%)
24M24.00 mi1.00 mi19228+1707322+717322+7115731(Top 54%)5756(Top 46%)5756(Top 322%)
40K24.85 mi0.85 mi19080+1487261+617261+6115131(Top 52%)5513(Top 44%)5513(Top 309%)
25.2M25.20 mi0.35 mi18975+1057203+587203+5812733(Top 44%)4265(Top 34%)4265(Top 239%)
FINISH26.22 mi1.02 mi18768+2077098+1057098+10512934(Top 45%)4366(Top 35%)4366(Top 244%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21
+97ft-345ft

Overall

20207

Females

7698

F45-49

7698

5K→10K

3.1 - 6.2 mi

Top 71%
×5
+79ft-138ft

Overall

20663

Females

7945

F45-49

7945

10K→15K

6.2 - 9.3 mi

Top 70%
×3
+67ft-78ft

Overall

20207

Females

7698

F45-49

7698

15K→20K

9.3 - 12.4 mi

Top 67%
×5
+106ft-86ft

Overall

19508

Females

7367

F45-49

7367

20K→HALF

12.4 - 13.1 mi

Top 71%
×2
+19ft-37ft

Overall

20735

Females

7968

F45-49

7968

HALF→25K

13.1 - 15.5 mi

Top 65%
×4
+66ft-88ft

Overall

18787

Females

7005

F45-49

7005

25K→30K

15.5 - 18.6 mi

Top 67%
×9
+181ft-148ft

Overall

19333

Females

7395

F45-49

7395

30K→20M

18.6 - 20.0 mi

Top 64%
×5
+64ft-50ft

Overall

18568

Females

7064

F45-49

7064

20M→21M

20.0 - 21.0 mi

Top 63%
×8
+106ft-24ft

Overall

18242

Females

6916

F45-49

6916

21M→35K

21.0 - 21.8 mi

Top 61%
×7
+17ft-86ft

Overall

17792

Females

6783

F45-49

6783

35K→23M

21.8 - 23.0 mi

Top 56%
×5
+23ft-63ft

Overall

16123

Females

5923

F45-49

5923

23M→24M

23.0 - 24.0 mi

Top 54%
×6
+12ft-82ft

Overall

15731

Females

5756

F45-49

5756

24M→40K

24.0 - 24.9 mi

Top 52%
×1
+6ft-20ft

Overall

15131

Females

5513

F45-49

5513

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1
+13ft-16ft

Overall

12733

Females

4265

F45-49

4265

25.2M→FINISH

25.2 - 26.2 mi

Top 45%
×2
+22ft-21ft

Overall

12934

Females

4366

F45-49

4366

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2505*
Passed By
653
Net Change
+1852
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20620
5K → 10K206*200+6#20620#20614
10K → 15K291*132+159#20614#20455
15K → 20K313*48+265#20455#20190
20K → HALF2138-17#20190#20207
HALF → 25K235*22+213#20207#19994
25K → 30K241*106+135#19994#19859
30K → 20M13032+98#19859#19761
20M → 21M12940+89#19761#19672
21M → 35K8017+63#19672#19609
35K → 23M217*6+211#19609#19398
23M → 24M1733+170#19398#19228
24M → 40K1524+148#19228#19080
40K → 25.2M1072+105#19080#18975
25.2M → FINISH210*3+207#18975#18768
TOTALS2505*653+1852

* 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

AI Key Insights

Powered by MyRace AI

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