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BOSTON MARATHON 2026

Justin Mai

Bib: 6999•M

PA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 26%
Gender (Male)
#0 / 16340
Top 39%
Masters (Masters Men)
#0 / 10617
Top 25%
Age Group (M40-44)
#0 / 2198
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
21:53
3.11 mi
Rank: #8895
Start → 5K
21:53 | 7:03/mi
10K
43:19
6.21 mi
Rank: #8364 (+531)
5K → 10K
21:26 | 6:54/mi
15K
1:04:39
9.32 mi
Rank: #8096 (+268)
10K → 15K
21:20 | 6:52/mi
20K
1:26:03
12.43 mi
Rank: #7778 (+318)
15K → 20K
21:24 | 6:54/mi
HALF
1:30:39
13.11 mi
Rank: #7726 (+52)
20K → HALF
4:36 | 6:45/mi
25K
1:47:20
15.53 mi
Rank: #7481 (+245)
HALF → 25K
16:41 | 6:53/mi
30K
2:09:48
18.64 mi
Rank: #7441 (+40)
25K → 30K
22:28 | 7:14/mi
20M
2:19:37
20.00 mi
Rank: #7373 (+68)
30K → 20M
9:49 | 7:14/mi
21M
2:27:20
21.00 mi
Rank: #7343 (+30)
20M → 21M
7:43 | 7:43/mi
35K
2:32:34
21.75 mi
Rank: #7315 (+28)
21M → 35K
5:14 | 7:00/mi
23M
2:41:48
23.00 mi
Rank: #7280 (+35)
35K → 23M
9:14 | 7:23/mi
24M
2:49:24
24.00 mi
Rank: #7361 (-81)
23M → 24M
7:36 | 7:36/mi
40K
2:56:00
24.85 mi
Rank: #7421 (-60)
24M → 40K
6:36 | 7:44/mi
25.2M
2:58:52
25.20 mi
Rank: #7439 (-18)
40K → 25.2M
2:52 | 8:19/mi
FINISH
3:06:08
26.22 mi
Rank: #7453 (-14)
25.2M → FINISH
7:16 | 7:08/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:30:39
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:35:29
Pace7:18 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:5521:537:0321:53
7:03
-
10K
6.21 mi10:50:2143:196:5921:26
6:54
-0:09
15K
9.32 mi11:11:411:04:396:5721:20
6:52
-0:02
20K
12.43 mi11:33:051:26:036:5621:24
6:54
+0:02
HALF
13.11 mi11:37:411:30:396:554:36
6:45
-0:09
25K
15.53 mi11:54:221:47:206:5516:41
6:53
+0:08
30K
18.64 mi12:16:502:09:486:5822:28
7:14
+0:21
20M
20.00 mi12:26:392:19:376:599:49
7:14
0:00
21M
21.00 mi12:34:222:27:207:017:43
7:43
+0:29
35K
21.75 mi12:39:362:32:347:015:14
7:00
-0:43
23M
23.00 mi12:48:502:41:487:039:14
7:23
+0:23
24M
24.00 mi12:56:262:49:247:047:36
7:36
+0:13
40K
24.85 mi13:03:022:56:007:056:36
7:44
+0:08
25.2M
25.20 mi13:05:542:58:527:062:52
8:19
+0:35
FINISH
26.22 mi13:13:103:06:087:077:16
7:08
-1:11

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

6:45 /mi

Average Pace

7:06 /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

1:25:27

46% of race

Time at Steady Pace

1:06:40

36% of race

Time at Slower Pace

34:01

18% of race

Average Pace: 7:06 /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 mi10:28:5521:537:0321:53
7:03
#8895
10K
6.21 mi10:50:2143:196:5921:26
6:54
#8364
15K
9.32 mi11:11:411:04:396:5721:20
6:52
#8096
20K
12.43 mi11:33:051:26:036:5621:24
6:54
#7778
HALF
13.11 mi11:37:411:30:396:554:36
6:45
#7726
25K
15.53 mi11:54:221:47:206:5516:41
6:53
#7481
30K
18.64 mi12:16:502:09:486:5822:28
7:14
#7441
20M
20.00 mi12:26:392:19:376:599:49
7:14
#7373
21M
21.00 mi12:34:222:27:207:017:43
7:43
#7343
35K
21.75 mi12:39:362:32:347:015:14
7:00
#7315
23M
23.00 mi12:48:502:41:487:039:14
7:23
#7280
24M
24.00 mi12:56:262:49:247:047:36
7:36
#7361
40K
24.85 mi13:03:022:56:007:056:36
7:44
#7421
25.2M
25.20 mi13:05:542:58:527:062:52
8:19
#7439
FINISH
26.22 mi13:13:103:06:087:077:16
7:08
#7453
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi8895748874887503(Top 26%)6523(Top 40%)6523(Top 297%)
10K6.21 mi3.10 mi8364+5317118+3707118+3707894(Top 27%)6822(Top 42%)6822(Top 310%)
15K9.32 mi3.11 mi8096+2686945+1736945+1737503(Top 26%)6523(Top 40%)6523(Top 297%)
20K12.43 mi3.11 mi7778+3186733+2126733+2126997(Top 24%)6156(Top 38%)6156(Top 280%)
HALF13.11 mi0.68 mi7726+526695+386695+386643(Top 23%)5923(Top 36%)5923(Top 269%)
25K15.53 mi2.42 mi7481+2456512+1836512+1836506(Top 22%)5747(Top 35%)5747(Top 261%)
30K18.64 mi3.11 mi7441+406468+446468+447606(Top 26%)6379(Top 39%)6379(Top 290%)
20M20.00 mi1.36 mi7373+686411+576411+577162(Top 25%)6008(Top 37%)6008(Top 273%)
21M21.00 mi1.00 mi7343+306370+416370+417918(Top 27%)6320(Top 39%)6320(Top 288%)
35K21.75 mi0.75 mi7315+286339+316339+317048(Top 24%)5850(Top 36%)5850(Top 266%)
23M23.00 mi1.25 mi7280+356295+446295+447958(Top 27%)6317(Top 39%)6317(Top 287%)
24M24.00 mi1.00 mi7361-816326-316326-3110808(Top 37%)7693(Top 47%)7693(Top 350%)
40K24.85 mi0.85 mi7421-606338-126338-1210402(Top 36%)7399(Top 45%)7399(Top 337%)
25.2M25.20 mi0.35 mi7439-186335+36335+310264(Top 35%)7240(Top 44%)7240(Top 329%)
FINISH26.22 mi1.02 mi7453-146323+126323+128550(Top 29%)6340(Top 39%)6340(Top 288%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21
+97ft-345ft

Overall

7503

Males

6523

M40-44

6523

5K→10K

3.1 - 6.2 mi

Top 27%
×5
+79ft-138ft

Overall

7894

Males

6822

M40-44

6822

10K→15K

6.2 - 9.3 mi

Top 26%
×3
+67ft-78ft

Overall

7503

Males

6523

M40-44

6523

15K→20K

9.3 - 12.4 mi

Top 24%
×5
+106ft-86ft

Overall

6997

Males

6156

M40-44

6156

20K→HALF

12.4 - 13.1 mi

Top 23%
×2
+19ft-37ft

Overall

6643

Males

5923

M40-44

5923

HALF→25K

13.1 - 15.5 mi

Top 22%
×4
+66ft-88ft

Overall

6506

Males

5747

M40-44

5747

25K→30K

15.5 - 18.6 mi

Top 26%
×9
+181ft-148ft

Overall

7606

Males

6379

M40-44

6379

30K→20M

18.6 - 20.0 mi

Top 25%
×5
+64ft-50ft

Overall

7162

Males

6008

M40-44

6008

20M→21M

20.0 - 21.0 mi

Top 27%
×8
+106ft-24ft

Overall

7918

Males

6320

M40-44

6320

21M→35K

21.0 - 21.8 mi

Top 24%
×7
+17ft-86ft

Overall

7048

Males

5850

M40-44

5850

35K→23M

21.8 - 23.0 mi

Top 27%
×5
+23ft-63ft

Overall

7958

Males

6317

M40-44

6317

23M→24M

23.0 - 24.0 mi

Top 37%
×6
+12ft-82ft

Overall

10808

Males

7693

M40-44

7693

24M→40K

24.0 - 24.9 mi

Top 36%
×1
+6ft-20ft

Overall

10402

Males

7399

M40-44

7399

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1
+13ft-16ft

Overall

10264

Males

7240

M40-44

7240

25.2M→FINISH

25.2 - 26.2 mi

Top 29%
×2
+22ft-21ft

Overall

8550

Males

6340

M40-44

6340

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2199
Passed By
757
Net Change
+1442
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8895
5K → 10K57746+531#8895#8364
10K → 15K30032+268#8364#8096
15K → 20K33719+318#8096#7778
20K → HALF608+52#7778#7726
HALF → 25K25813+245#7726#7481
25K → 30K152112+40#7481#7441
30K → 20M10638+68#7441#7373
20M → 21M7848+30#7373#7343
21M → 35K5224+28#7343#7315
35K → 23M10772+35#7315#7280
23M → 24M40121-81#7280#7361
24M → 40K43103-60#7361#7421
40K → 25.2M2543-18#7421#7439
25.2M → FINISH6478-14#7439#7453
TOTALS2199757+1442
📊

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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing