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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Lachlan Brennan

Bib: 6556 •M •Age: N/A

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 19%
Gender (Male)
#0 / 16340
Top 30%
Age Group (M18-39)
#0 / 5723
Race Day Weather
51°/41°F
overcast clouds
Personalized for Lachlan

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 · 6:36/mi at mile 9.3

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
20:51
3.11 mi
Rank: #5982
Start → 5K
20:51 | 6:43/mi
10K
41:27
6.21 mi
Rank: #5608 (+374)
5K → 10K
20:36 | 6:38/mi
15K
1:01:56
9.32 mi
Rank: #5318 (+290)
10K → 15K
20:29 | 6:36/mi
20K
1:22:29
12.43 mi
Rank: #5073 (+245)
15K → 20K
20:33 | 6:37/mi
HALF
1:26:59
13.11 mi
Rank: #5069 (+4)
20K → HALF
4:30 | 6:37/mi
25K
1:43:04
15.53 mi
Rank: #4928 (+141)
HALF → 25K
16:05 | 6:38/mi
30K
2:04:01
18.64 mi
Rank: #4720 (+208)
25K → 30K
20:57 | 6:45/mi
20M
2:13:19
20.00 mi
Rank: #4685 (+35)
30K → 20M
9:18 | 6:51/mi
21M
2:20:34
21.00 mi
Rank: #4644 (+41)
20M → 21M
7:15 | 7:15/mi
35K
2:25:40
21.75 mi
Rank: #4667 (-23)
21M → 35K
5:06 | 6:50/mi
23M
2:34:41
23.00 mi
Rank: #4772 (-105)
35K → 23M
9:01 | 7:13/mi
24M
2:42:02
24.00 mi
Rank: #4948 (-176)
23M → 24M
7:21 | 7:21/mi
40K
2:48:33
24.85 mi
Rank: #5124 (-176)
24M → 40K
6:31 | 7:38/mi
25.2M
2:51:25
25.20 mi
Rank: #5226 (-102)
40K → 25.2M
2:52 | 8:19/mi
FINISH
2:59:01
26.22 mi
Rank: #5491 (-265)
25.2M → FINISH
7:36 | 7:28/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:26:59
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:32:02
Pace7:02 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:3520:516:4320:51
6:43
-
10K
6.21 mi10:46:1141:276:4120:36
6:38
-0:05
15K
9.32 mi11:06:401:01:566:3920:29
6:36
-0:02
20K
12.43 mi11:27:131:22:296:3920:33
6:37
+0:01
HALF
13.11 mi11:31:431:26:596:394:30
6:37
0:00
25K
15.53 mi11:47:481:43:046:3916:05
6:38
+0:01
30K
18.64 mi12:08:452:04:016:4020:57
6:45
+0:07
20M
20.00 mi12:18:032:13:196:409:18
6:51
+0:06
21M
21.00 mi12:25:182:20:346:427:15
7:15
+0:24
35K
21.75 mi12:30:242:25:406:425:06
6:50
-0:25
23M
23.00 mi12:39:252:34:416:449:01
7:13
+0:23
24M
24.00 mi12:46:462:42:026:467:21
7:21
+0:08
40K
24.85 mi12:53:172:48:336:476:31
7:38
+0:17
25.2M
25.20 mi12:56:092:51:256:492:52
8:19
+0:41
FINISH
26.22 mi13:03:452:59:016:507:36
7:28
-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

6:50 /mi

Slowest Pace

8:19 /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

0:00

0% of race

Time at Steady Pace

2:18:25

77% of race

Time at Slower Pace

40:36

23% of race

Average Pace: 6:50 /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 mi10:25:3520:516:4320:51
6:43
#5982
10K
6.21 mi10:46:1141:276:4120:36
6:38
#5608
15K
9.32 mi11:06:401:01:566:3920:29
6:36
#5318
20K
12.43 mi11:27:131:22:296:3920:33
6:37
#5073
HALF
13.11 mi11:31:431:26:596:394:30
6:37
#5069
25K
15.53 mi11:47:481:43:046:3916:05
6:38
#4928
30K
18.64 mi12:08:452:04:016:4020:57
6:45
#4720
20M
20.00 mi12:18:032:13:196:409:18
6:51
#4685
21M
21.00 mi12:25:182:20:346:427:15
7:15
#4644
35K
21.75 mi12:30:242:25:406:425:06
6:50
#4667
23M
23.00 mi12:39:252:34:416:449:01
7:13
#4772
24M
24.00 mi12:46:462:42:026:467:21
7:21
#4948
40K
24.85 mi12:53:172:48:336:476:31
7:38
#5124
25.2M
25.20 mi12:56:092:51:256:492:52
8:19
#5226
FINISH
26.22 mi13:03:452:59:016:507:36
7:28
#5491
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5982545754574887(Top 17%)4565(Top 28%)4565(Top 80%)
10K6.21 mi3.10 mi5608+3745172+2855172+2855285(Top 18%)4897(Top 30%)4897(Top 86%)
15K9.32 mi3.11 mi5318+2904934+2384934+2384887(Top 17%)4565(Top 28%)4565(Top 80%)
20K12.43 mi3.11 mi5073+2454725+2094725+2094537(Top 16%)4257(Top 26%)4257(Top 74%)
HALF13.11 mi0.68 mi5069+44724+14724+15279(Top 18%)4856(Top 30%)4856(Top 85%)
25K15.53 mi2.42 mi4928+1414599+1254599+1254363(Top 15%)4076(Top 25%)4076(Top 71%)
30K18.64 mi3.11 mi4720+2084411+1884411+1883964(Top 14%)3690(Top 23%)3690(Top 64%)
20M20.00 mi1.36 mi4685+354372+394372+394480(Top 15%)4068(Top 25%)4068(Top 71%)
21M21.00 mi1.00 mi4644+414327+454327+454950(Top 17%)4359(Top 27%)4359(Top 76%)
35K21.75 mi0.75 mi4667-234338-114338-115787(Top 20%)5008(Top 31%)5008(Top 88%)
23M23.00 mi1.25 mi4772-1054413-754413-756763(Top 23%)5600(Top 34%)5600(Top 98%)
24M24.00 mi1.00 mi4948-1764551-1384551-1388910(Top 31%)6740(Top 41%)6740(Top 118%)
40K24.85 mi0.85 mi5124-1764675-1244675-1249683(Top 33%)7026(Top 43%)7026(Top 123%)
25.2M25.20 mi0.35 mi5226-1024753-784753-7810237(Top 35%)7213(Top 44%)7213(Top 126%)
FINISH26.22 mi1.02 mi5491-2654946-1934946-19311034(Top 38%)7609(Top 47%)7609(Top 133%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21
+97ft-345ft

Overall

4887

Males

4565

M18-39

4565

5K→10K

3.1 - 6.2 mi

Top 18%
×5
+79ft-138ft

Overall

5285

Males

4897

M18-39

4897

10K→15K

6.2 - 9.3 mi

Top 17%
×3
+67ft-78ft

Overall

4887

Males

4565

M18-39

4565

15K→20K

9.3 - 12.4 mi

Top 16%
×5
+106ft-86ft

Overall

4537

Males

4257

M18-39

4257

20K→HALF

12.4 - 13.1 mi

Top 18%
×2
+19ft-37ft

Overall

5279

Males

4856

M18-39

4856

HALF→25K

13.1 - 15.5 mi

Top 15%
×4
+66ft-88ft

Overall

4363

Males

4076

M18-39

4076

25K→30K

15.5 - 18.6 mi

Top 14%
×9
+181ft-148ft

Overall

3964

Males

3690

M18-39

3690

30K→20M

18.6 - 20.0 mi

Top 15%
×5
+64ft-50ft

Overall

4480

Males

4068

M18-39

4068

20M→21M

20.0 - 21.0 mi

Top 17%
×8
+106ft-24ft

Overall

4950

Males

4359

M18-39

4359

21M→35K

21.0 - 21.8 mi

Top 20%
×7
+17ft-86ft

Overall

5787

Males

5008

M18-39

5008

35K→23M

21.8 - 23.0 mi

Top 23%
×5
+23ft-63ft

Overall

6763

Males

5600

M18-39

5600

23M→24M

23.0 - 24.0 mi

Top 31%
×6
+12ft-82ft

Overall

8910

Males

6740

M18-39

6740

24M→40K

24.0 - 24.9 mi

Top 33%
×1
+6ft-20ft

Overall

9683

Males

7026

M18-39

7026

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1
+13ft-16ft

Overall

10237

Males

7213

M18-39

7213

25.2M→FINISH

25.2 - 26.2 mi

Top 38%
×2
+22ft-21ft

Overall

11034

Males

7609

M18-39

7609

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1713*
Passed By
1136
Net Change
+491
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5982
5K → 10K427*53+374#5982#5608
10K → 15K318*28+290#5608#5318
15K → 20K259*14+245#5318#5073
20K → HALF1713+4#5073#5069
HALF → 25K16625+141#5069#4928
25K → 30K230*22+208#4928#4720
30K → 20M6833+35#4720#4685
20M → 21M8746+41#4685#4644
21M → 35K1942-23#4644#4667
35K → 23M52157-105#4667#4772
23M → 24M20196-176#4772#4948
24M → 40K25200-176#4948#5124
40K → 25.2M5107-102#5124#5226
25.2M → FINISH20200-265#5226#5491
TOTALS1713*1136+491

* 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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Activity Data

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