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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Derek Lai

Bib: 9119 •M •Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 29%
Gender (Male)
#0 / 16340
Top 42%
Masters (Masters Men)
#0 / 10617
Top 29%
Age Group (M45-49)
#0 / 2413
Top 44%
Race Day Weather
51°/41°F
overcast clouds
Personalized for Derek

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 · 6:55/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
21:28
3.11 mi
Rank: #7828
Start → 5K
21:28 | 6:55/mi
10K
43:00
6.21 mi
Rank: #7982 (-154)
5K → 10K
21:32 | 6:56/mi
15K
1:05:02
9.32 mi
Rank: #8418 (-436)
10K → 15K
22:02 | 7:06/mi
20K
1:27:35
12.43 mi
Rank: #8702 (-284)
15K → 20K
22:33 | 7:16/mi
HALF
1:32:25
13.11 mi
Rank: #8729 (-27)
20K → HALF
4:50 | 7:06/mi
25K
1:49:57
15.53 mi
Rank: #8743 (-14)
HALF → 25K
17:32 | 7:14/mi
30K
2:12:34
18.64 mi
Rank: #8510 (+233)
25K → 30K
22:37 | 7:17/mi
20M
2:22:38
20.00 mi
Rank: #8452 (+58)
30K → 20M
10:04 | 7:25/mi
21M
2:30:14
21.00 mi
Rank: #8345 (+107)
20M → 21M
7:36 | 7:36/mi
35K
2:35:40
21.75 mi
Rank: #8340 (+5)
21M → 35K
5:26 | 7:16/mi
23M
2:45:01
23.00 mi
Rank: #8305 (+35)
35K → 23M
9:21 | 7:29/mi
24M
2:52:14
24.00 mi
Rank: #8241 (+64)
23M → 24M
7:13 | 7:13/mi
40K
2:58:41
24.85 mi
Rank: #8272 (-31)
24M → 40K
6:27 | 7:33/mi
25.2M
3:01:28
25.20 mi
Rank: #8262 (+10)
40K → 25.2M
2:47 | 8:05/mi
FINISH
3:08:53
26.22 mi
Rank: #8277 (-15)
25.2M → FINISH
7:25 | 7:17/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:32:25
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time1:36:28
Pace7:22 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:37:0621:286:5521:28
6:55
-
10K
6.21 mi10:58:3843:006:5621:32
6:56
+0:01
15K
9.32 mi11:20:401:05:026:5922:02
7:06
+0:10
20K
12.43 mi11:43:131:27:357:0322:33
7:16
+0:10
HALF
13.11 mi11:48:031:32:257:034:50
7:06
-0:10
25K
15.53 mi12:05:351:49:577:0517:32
7:14
+0:08
30K
18.64 mi12:28:122:12:347:0722:37
7:17
+0:03
20M
20.00 mi12:38:162:22:387:0810:04
7:25
+0:08
21M
21.00 mi12:45:522:30:147:107:36
7:36
+0:11
35K
21.75 mi12:51:182:35:407:105:26
7:16
-0:20
23M
23.00 mi13:00:392:45:017:119:21
7:29
+0:13
24M
24.00 mi13:07:522:52:147:117:13
7:13
-0:16
40K
24.85 mi13:14:192:58:417:126:27
7:33
+0:20
25.2M
25.20 mi13:17:063:01:287:132:47
8:05
+0:32
FINISH
26.22 mi13:24:313:08:537:137:25
7:17
-0:48

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

6:55 /mi

Average Pace

7:13 /mi

Slowest Pace

8:05 /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

3:06:06

99% of race

Time at Steady Pace

2:47

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:12 /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 mi10:37:0621:286:5521:28
6:55
#7828
10K
6.21 mi10:58:3843:006:5621:32
6:56
#7982
15K
9.32 mi11:20:401:05:026:5922:02
7:06
#8418
20K
12.43 mi11:43:131:27:357:0322:33
7:16
#8702
HALF
13.11 mi11:48:031:32:257:034:50
7:06
#8729
25K
15.53 mi12:05:351:49:577:0517:32
7:14
#8743
30K
18.64 mi12:28:122:12:347:0722:37
7:17
#8510
20M
20.00 mi12:38:162:22:387:0810:04
7:25
#8452
21M
21.00 mi12:45:522:30:147:107:36
7:36
#8345
35K
21.75 mi12:51:182:35:407:105:26
7:16
#8340
23M
23.00 mi13:00:392:45:017:119:21
7:29
#8305
24M
24.00 mi13:07:522:52:147:117:13
7:13
#8241
40K
24.85 mi13:14:192:58:417:126:27
7:33
#8272
25.2M
25.20 mi13:17:063:01:287:132:47
8:05
#8262
FINISH
26.22 mi13:24:313:08:537:137:25
7:17
#8277
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7828678767879199(Top 32%)7597(Top 46%)7597(Top 315%)
10K6.21 mi3.10 mi7982-1546881-946881-948159(Top 28%)6986(Top 43%)6986(Top 290%)
15K9.32 mi3.11 mi8418-4367149-2687149-2689199(Top 32%)7597(Top 46%)7597(Top 315%)
20K12.43 mi3.11 mi8702-2847312-1637312-1639797(Top 34%)7823(Top 48%)7823(Top 324%)
HALF13.11 mi0.68 mi8729-277319-77319-79292(Top 32%)7606(Top 47%)7606(Top 315%)
25K15.53 mi2.42 mi8743-147321-27321-29091(Top 31%)7369(Top 45%)7369(Top 305%)
30K18.64 mi3.11 mi8510+2337136+1857136+1857922(Top 27%)6574(Top 40%)6574(Top 272%)
20M20.00 mi1.36 mi8452+587083+537083+538438(Top 29%)6739(Top 41%)6739(Top 279%)
21M21.00 mi1.00 mi8345+1076989+946989+947145(Top 25%)5868(Top 36%)5868(Top 243%)
35K21.75 mi0.75 mi8340+56966+236966+238972(Top 31%)6929(Top 42%)6929(Top 287%)
23M23.00 mi1.25 mi8305+356916+506916+508623(Top 30%)6662(Top 41%)6662(Top 276%)
24M24.00 mi1.00 mi8241+646851+656851+657959(Top 27%)6226(Top 38%)6226(Top 258%)
40K24.85 mi0.85 mi8272-316838+136838+139131(Top 31%)6750(Top 41%)6750(Top 280%)
25.2M25.20 mi0.35 mi8262+106815+236815+238731(Top 30%)6467(Top 40%)6467(Top 268%)
FINISH26.22 mi1.02 mi8277-156801+146801+149681(Top 33%)6953(Top 43%)6953(Top 288%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21
+97ft-345ft

Overall

9199

Males

7597

M45-49

7597

5K→10K

3.1 - 6.2 mi

Top 28%
×5
+79ft-138ft

Overall

8159

Males

6986

M45-49

6986

10K→15K

6.2 - 9.3 mi

Top 32%
×3
+67ft-78ft

Overall

9199

Males

7597

M45-49

7597

15K→20K

9.3 - 12.4 mi

Top 34%
×5
+106ft-86ft

Overall

9797

Males

7823

M45-49

7823

20K→HALF

12.4 - 13.1 mi

Top 32%
×2
+19ft-37ft

Overall

9292

Males

7606

M45-49

7606

HALF→25K

13.1 - 15.5 mi

Top 31%
×4
+66ft-88ft

Overall

9091

Males

7369

M45-49

7369

25K→30K

15.5 - 18.6 mi

Top 27%
×9
+181ft-148ft

Overall

7922

Males

6574

M45-49

6574

30K→20M

18.6 - 20.0 mi

Top 29%
×5
+64ft-50ft

Overall

8438

Males

6739

M45-49

6739

20M→21M

20.0 - 21.0 mi

Top 25%
×8
+106ft-24ft

Overall

7145

Males

5868

M45-49

5868

21M→35K

21.0 - 21.8 mi

Top 31%
×7
+17ft-86ft

Overall

8972

Males

6929

M45-49

6929

35K→23M

21.8 - 23.0 mi

Top 30%
×5
+23ft-63ft

Overall

8623

Males

6662

M45-49

6662

23M→24M

23.0 - 24.0 mi

Top 27%
×6
+12ft-82ft

Overall

7959

Males

6226

M45-49

6226

24M→40K

24.0 - 24.9 mi

Top 31%
×1
+6ft-20ft

Overall

9131

Males

6750

M45-49

6750

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1
+13ft-16ft

Overall

8731

Males

6467

M45-49

6467

25.2M→FINISH

25.2 - 26.2 mi

Top 33%
×2
+22ft-21ft

Overall

9681

Males

6953

M45-49

6953

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1297*
Passed By
1223
Net Change
-449
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7828
5K → 10K155200-154#7828#7982
10K → 15K30200-436#7982#8418
15K → 20K64200-284#8418#8702
20K → HALF1643-27#8702#8729
HALF → 25K102116-14#8729#8743
25K → 30K291*58+233#8743#8510
30K → 20M10648+58#8510#8452
20M → 21M12922+107#8452#8345
21M → 35K5752+5#8345#8340
35K → 23M9358+35#8340#8305
23M → 24M10440+64#8305#8241
24M → 40K5081-31#8241#8272
40K → 25.2M3929+10#8272#8262
25.2M → FINISH6176-15#8262#8277
TOTALS1297*1223-449

* 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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