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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Rebecca Brennan

Bib: 21811 •F •Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 46%
Masters (Masters Women)
#0 / 6862
Top 32%
Age Group (F50-54)
#0 / 1233
Top 26%
Race Day Weather
51°/41°F
overcast clouds
Personalized for Rebecca

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 7:38/mi at mile 3.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
One-time purchase · Instant access · Downloadable PDF · Shareable report

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
23:42
3.11 mi
Rank: #13917
Start → 5K
23:42 | 7:38/mi
10K
48:08
6.21 mi
Rank: #15046 (-1129)
5K → 10K
24:26 | 7:52/mi
15K
1:12:56
9.32 mi
Rank: #15636 (-590)
10K → 15K
24:48 | 7:59/mi
20K
1:37:55
12.43 mi
Rank: #15827 (-191)
15K → 20K
24:59 | 8:03/mi
HALF
1:43:25
13.11 mi
Rank: #15935 (-108)
20K → HALF
5:30 | 8:05/mi
25K
2:03:12
15.53 mi
Rank: #16028 (-93)
HALF → 25K
19:47 | 8:10/mi
30K
2:29:47
18.64 mi
Rank: #16243 (-215)
25K → 30K
26:35 | 8:34/mi
20M
2:41:33
20.00 mi
Rank: #16307 (-64)
30K → 20M
11:46 | 8:40/mi
21M
2:50:52
21.00 mi
Rank: #16371 (-64)
20M → 21M
9:19 | 9:19/mi
35K
2:57:17
21.75 mi
Rank: #16413 (-42)
21M → 35K
6:25 | 8:35/mi
23M
3:08:14
23.00 mi
Rank: #16427 (-14)
35K → 23M
10:57 | 8:45/mi
24M
3:16:47
24.00 mi
Rank: #16456 (-29)
23M → 24M
8:33 | 8:33/mi
40K
3:24:02
24.85 mi
Rank: #16386 (+70)
24M → 40K
7:15 | 8:29/mi
25.2M
3:27:09
25.20 mi
Rank: #16363 (+23)
40K → 25.2M
3:07 | 9:03/mi
FINISH
3:35:26
26.22 mi
Rank: #16338 (+25)
25.2M → FINISH
8:17 | 8:08/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:25
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:52:01
Pace8:33 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:4923:427:3823:42
7:38
-
10K
6.21 mi11:49:1548:087:4524:26
7:52
+0:14
15K
9.32 mi12:14:031:12:567:5024:48
7:59
+0:07
20K
12.43 mi12:39:021:37:557:5324:59
8:03
+0:04
HALF
13.11 mi12:44:321:43:257:545:30
8:05
+0:02
25K
15.53 mi13:04:192:03:127:5619:47
8:10
+0:05
30K
18.64 mi13:30:542:29:478:0326:35
8:34
+0:24
20M
20.00 mi13:42:402:41:338:0511:46
8:40
+0:06
21M
21.00 mi13:51:592:50:528:099:19
9:19
+0:39
35K
21.75 mi13:58:242:57:178:106:25
8:35
-0:44
23M
23.00 mi14:09:213:08:148:1210:57
8:45
+0:10
24M
24.00 mi14:17:543:16:478:128:33
8:33
-0:12
40K
24.85 mi14:25:093:24:028:137:15
8:29
-0:04
25.2M
25.20 mi14:28:163:27:098:143:07
9:03
+0:34
FINISH
26.22 mi14:36:333:35:268:148:17
8:08
-0:55

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

7:38 /mi

Average Pace

8:13 /mi

Slowest Pace

9:19 /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

2:11:29

61% of race

Time at Steady Pace

1:00:34

28% of race

Time at Slower Pace

23:23

11% of race

Average Pace: 8:13 /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 mi11:24:4923:427:3823:42
7:38
#13917
10K
6.21 mi11:49:1548:087:4524:26
7:52
#15046
15K
9.32 mi12:14:031:12:567:5024:48
7:59
#15636
20K
12.43 mi12:39:021:37:557:5324:59
8:03
#15827
HALF
13.11 mi12:44:321:43:257:545:30
8:05
#15935
25K
15.53 mi13:04:192:03:127:5619:47
8:10
#16028
30K
18.64 mi13:30:542:29:478:0326:35
8:34
#16243
20M
20.00 mi13:42:402:41:338:0511:46
8:40
#16307
21M
21.00 mi13:51:592:50:528:099:19
9:19
#16371
35K
21.75 mi13:58:242:57:178:106:25
8:35
#16413
23M
23.00 mi14:09:213:08:148:1210:57
8:45
#16427
24M
24.00 mi14:17:543:16:478:128:33
8:33
#16456
40K
24.85 mi14:25:093:24:028:137:15
8:29
#16386
25.2M
25.20 mi14:28:163:27:098:143:07
9:03
#16363
FINISH
26.22 mi14:36:333:35:268:148:17
8:08
#16338
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi139174032403216894(Top 58%)5847(Top 46%)5847(Top 474%)
10K6.21 mi3.10 mi15046-11294752-7204752-72016179(Top 56%)5420(Top 43%)5420(Top 440%)
15K9.32 mi3.11 mi15636-5905124-3725124-37216894(Top 58%)5847(Top 46%)5847(Top 474%)
20K12.43 mi3.11 mi15827-1915249-1255249-12516438(Top 57%)5620(Top 45%)5620(Top 456%)
HALF13.11 mi0.68 mi15935-1085317-685317-6817601(Top 61%)6248(Top 50%)6248(Top 507%)
25K15.53 mi2.42 mi16028-935385-685385-6816537(Top 57%)5731(Top 46%)5731(Top 465%)
30K18.64 mi3.11 mi16243-2155549-1645549-16417235(Top 59%)6237(Top 50%)6237(Top 506%)
20M20.00 mi1.36 mi16307-645599-505599-5017186(Top 59%)6288(Top 50%)6288(Top 510%)
21M21.00 mi1.00 mi16371-645654-555654-5517705(Top 61%)6625(Top 53%)6625(Top 537%)
35K21.75 mi0.75 mi16413-425680-265680-2618017(Top 62%)6891(Top 55%)6891(Top 559%)
23M23.00 mi1.25 mi16427-145717-375717-3717197(Top 59%)6529(Top 52%)6529(Top 530%)
24M24.00 mi1.00 mi16456-295751-345751-3417183(Top 59%)6571(Top 52%)6571(Top 533%)
40K24.85 mi0.85 mi16386+705738+135738+1315578(Top 54%)5724(Top 46%)5724(Top 464%)
25.2M25.20 mi0.35 mi16363+235735+35735+315019(Top 52%)5469(Top 43%)5469(Top 444%)
FINISH26.22 mi1.02 mi16338+255744-95744-916002(Top 55%)5946(Top 47%)5946(Top 482%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21
+97ft-345ft

Overall

16894

Females

5847

F50-54

5847

5K→10K

3.1 - 6.2 mi

Top 56%
×5
+79ft-138ft

Overall

16179

Females

5420

F50-54

5420

10K→15K

6.2 - 9.3 mi

Top 58%
×3
+67ft-78ft

Overall

16894

Females

5847

F50-54

5847

15K→20K

9.3 - 12.4 mi

Top 57%
×5
+106ft-86ft

Overall

16438

Females

5620

F50-54

5620

20K→HALF

12.4 - 13.1 mi

Top 61%
×2
+19ft-37ft

Overall

17601

Females

6248

F50-54

6248

HALF→25K

13.1 - 15.5 mi

Top 57%
×4
+66ft-88ft

Overall

16537

Females

5731

F50-54

5731

25K→30K

15.5 - 18.6 mi

Top 59%
×9
+181ft-148ft

Overall

17235

Females

6237

F50-54

6237

30K→20M

18.6 - 20.0 mi

Top 59%
×5
+64ft-50ft

Overall

17186

Females

6288

F50-54

6288

20M→21M

20.0 - 21.0 mi

Top 61%
×8
+106ft-24ft

Overall

17705

Females

6625

F50-54

6625

21M→35K

21.0 - 21.8 mi

Top 62%
×7
+17ft-86ft

Overall

18017

Females

6891

F50-54

6891

35K→23M

21.8 - 23.0 mi

Top 59%
×5
+23ft-63ft

Overall

17197

Females

6529

F50-54

6529

23M→24M

23.0 - 24.0 mi

Top 59%
×6
+12ft-82ft

Overall

17183

Females

6571

F50-54

6571

24M→40K

24.0 - 24.9 mi

Top 54%
×1
+6ft-20ft

Overall

15578

Females

5724

F50-54

5724

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1
+13ft-16ft

Overall

15019

Females

5469

F50-54

5469

25.2M→FINISH

25.2 - 26.2 mi

Top 55%
×2
+22ft-21ft

Overall

16002

Females

5946

F50-54

5946

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1062
Passed By
1788
Net Change
-2421
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13917
5K → 10K48200-1129#13917#15046
10K → 15K65200-590#15046#15636
15K → 20K120200-191#15636#15827
20K → HALF10118-108#15827#15935
HALF → 25K117200-93#15935#16028
25K → 30K127200-215#16028#16243
30K → 20M72136-64#16243#16307
20M → 21M78142-64#16307#16371
21M → 35K5395-42#16371#16413
35K → 23M93107-14#16413#16427
23M → 24M6089-29#16427#16456
24M → 40K10030+70#16456#16386
40K → 25.2M4320+23#16386#16363
25.2M → FINISH7651+25#16363#16338
TOTALS10621788-2421
📊

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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Activity Data

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