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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Carlos Heras

Bib: 12862 •M •Age: N/A

FL

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M45-49)
#0 / 2413
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
22:51
3.11 mi
Rank: #11534
Start → 5K
22:51 | 7:22/mi
10K
45:46
6.21 mi
Rank: #11667 (-133)
5K → 10K
22:55 | 7:23/mi
15K
1:08:35
9.32 mi
Rank: #11582 (+85)
10K → 15K
22:49 | 7:21/mi
20K
1:31:36
12.43 mi
Rank: #11470 (+112)
15K → 20K
23:01 | 7:25/mi
HALF
1:36:35
13.11 mi
Rank: #11461 (+9)
20K → HALF
4:59 | 7:19/mi
25K
1:54:33
15.53 mi
Rank: #11319 (+142)
HALF → 25K
17:58 | 7:25/mi
30K
2:18:35
18.64 mi
Rank: #11336 (-17)
25K → 30K
24:02 | 7:45/mi
20M
2:29:42
20.00 mi
Rank: #11530 (-194)
30K → 20M
11:07 | 8:12/mi
21M
2:38:10
21.00 mi
Rank: #11582 (-52)
20M → 21M
8:28 | 8:28/mi
35K
2:43:52
21.75 mi
Rank: #11562 (+20)
21M → 35K
5:42 | 7:38/mi
23M
2:54:21
23.00 mi
Rank: #11760 (-198)
35K → 23M
10:29 | 8:23/mi
24M
3:04:56
24.00 mi
Rank: #12707 (-947)
23M → 24M
10:35 | 10:35/mi
40K
3:17:21
24.85 mi
Rank: #14469 (-1762)
24M → 40K
12:25 | 14:32/mi
25.2M
3:23:42
25.20 mi
Rank: #15456 (-987)
40K → 25.2M
6:21 | 18:25/mi
FINISH
3:39:13
26.22 mi
Rank: #17273 (-1817)
25.2M → FINISH
15:31 | 15:14/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:36:35
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time2:02:38
Pace9:22 /mi
📊Positive Split: 27.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1322:517:2222:51
7:22
-
10K
6.21 mi11:17:0845:467:2222:55
7:23
+0:01
15K
9.32 mi11:39:571:08:357:2222:49
7:21
-0:02
20K
12.43 mi12:02:581:31:367:2323:01
7:25
+0:04
HALF
13.11 mi12:07:571:36:357:234:59
7:19
-0:06
25K
15.53 mi12:25:551:54:337:2317:58
7:25
+0:06
30K
18.64 mi12:49:572:18:357:2724:02
7:45
+0:20
20M
20.00 mi13:01:042:29:427:3011:07
8:12
+0:27
21M
21.00 mi13:09:322:38:107:328:28
8:28
+0:16
35K
21.75 mi13:15:142:43:527:335:42
7:38
-0:50
23M
23.00 mi13:25:432:54:217:3510:29
8:23
+0:45
24M
24.00 mi13:36:183:04:567:4310:35
10:35
+2:12
40K
24.85 mi13:48:433:17:217:5712:25
14:32
+3:57
25.2M
25.20 mi13:55:043:23:428:066:21
18:25
+3:53
FINISH
26.22 mi14:10:353:39:138:2315:31
15:14
-3:11

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

7:19 /mi

Average Pace

8:22 /mi

Slowest Pace

18:25 /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

2:54:21

80% of race

Time at Slower Pace

44:52

20% of race

Average Pace: 8:22 /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 mi10:54:1322:517:2222:51
7:22
#11534
10K
6.21 mi11:17:0845:467:2222:55
7:23
#11667
15K
9.32 mi11:39:571:08:357:2222:49
7:21
#11582
20K
12.43 mi12:02:581:31:367:2323:01
7:25
#11470
HALF
13.11 mi12:07:571:36:357:234:59
7:19
#11461
25K
15.53 mi12:25:551:54:337:2317:58
7:25
#11319
30K
18.64 mi12:49:572:18:357:2724:02
7:45
#11336
20M
20.00 mi13:01:042:29:427:3011:07
8:12
#11530
21M
21.00 mi13:09:322:38:107:328:28
8:28
#11582
35K
21.75 mi13:15:142:43:527:335:42
7:38
#11562
23M
23.00 mi13:25:432:54:217:3510:29
8:23
#11760
24M
24.00 mi13:36:183:04:567:4310:35
10:35
#12707
40K
24.85 mi13:48:433:17:217:5712:25
14:32
#14469
25.2M
25.20 mi13:55:043:23:428:066:21
18:25
#15456
FINISH
26.22 mi14:10:353:39:138:2315:31
15:14
#17273
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 mi115348837883711471(Top 40%)8708(Top 53%)8708(Top 361%)
10K6.21 mi3.10 mi11667-1338871-348871-3411846(Top 41%)8923(Top 55%)8923(Top 370%)
15K9.32 mi3.11 mi11582+858793+788793+7811471(Top 40%)8708(Top 53%)8708(Top 361%)
20K12.43 mi3.11 mi11470+1128725+688725+6811201(Top 39%)8481(Top 52%)8481(Top 351%)
HALF13.11 mi0.68 mi11461+98714+118714+1111272(Top 39%)8638(Top 53%)8638(Top 358%)
25K15.53 mi2.42 mi11319+1428620+948620+9410642(Top 37%)8162(Top 50%)8162(Top 338%)
30K18.64 mi3.11 mi11336-178586+348586+3411508(Top 40%)8438(Top 52%)8438(Top 350%)
20M20.00 mi1.36 mi11530-1948648-628648-6214153(Top 49%)9537(Top 58%)9537(Top 395%)
21M21.00 mi1.00 mi11582-528665-178665-1712906(Top 44%)8870(Top 54%)8870(Top 368%)
35K21.75 mi0.75 mi11562+208638+278638+2711723(Top 40%)8320(Top 51%)8320(Top 345%)
23M23.00 mi1.25 mi11760-1988694-568694-5614942(Top 51%)9663(Top 59%)9663(Top 400%)
24M24.00 mi1.00 mi12707-9479082-3889082-38824251(Top 84%)13943(Top 85%)13943(Top 578%)
40K24.85 mi0.85 mi14469-17629796-7149796-71428219(Top 97%)15892(Top 97%)15892(Top 659%)
25.2M25.20 mi0.35 mi15456-98710183-38710183-38728892(Top 100%)16251(Top 99%)16251(Top 673%)
FINISH26.22 mi1.02 mi17273-181710937-75410937-75428875(Top 99%)16241(Top 99%)16241(Top 673%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21
+97ft-345ft

Overall

11471

Males

8708

M45-49

8708

5K→10K

3.1 - 6.2 mi

Top 41%
×5
+79ft-138ft

Overall

11846

Males

8923

M45-49

8923

10K→15K

6.2 - 9.3 mi

Top 40%
×3
+67ft-78ft

Overall

11471

Males

8708

M45-49

8708

15K→20K

9.3 - 12.4 mi

Top 39%
×5
+106ft-86ft

Overall

11201

Males

8481

M45-49

8481

20K→HALF

12.4 - 13.1 mi

Top 39%
×2
+19ft-37ft

Overall

11272

Males

8638

M45-49

8638

HALF→25K

13.1 - 15.5 mi

Top 37%
×4
+66ft-88ft

Overall

10642

Males

8162

M45-49

8162

25K→30K

15.5 - 18.6 mi

Top 40%
×9
+181ft-148ft

Overall

11508

Males

8438

M45-49

8438

30K→20M

18.6 - 20.0 mi

Top 49%
×5
+64ft-50ft

Overall

14153

Males

9537

M45-49

9537

20M→21M

20.0 - 21.0 mi

Top 44%
×8
+106ft-24ft

Overall

12906

Males

8870

M45-49

8870

21M→35K

21.0 - 21.8 mi

Top 40%
×7
+17ft-86ft

Overall

11723

Males

8320

M45-49

8320

35K→23M

21.8 - 23.0 mi

Top 51%
×5
+23ft-63ft

Overall

14942

Males

9663

M45-49

9663

23M→24M

23.0 - 24.0 mi

Top 84%
×6
+12ft-82ft

Overall

24251

Males

13943

M45-49

13943

24M→40K

24.0 - 24.9 mi

Top 97%
×1
+6ft-20ft

Overall

28219

Males

15892

M45-49

15892

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1
+13ft-16ft

Overall

28892

Males

16251

M45-49

16251

25.2M→FINISH

25.2 - 26.2 mi

Top 99%
×2
+22ft-21ft

Overall

28875

Males

16241

M45-49

16241

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1303*
Passed By
2085
Net Change
-5739
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11534
5K → 10K200200-133#11534#11667
10K → 15K236*151+85#11667#11582
15K → 20K20088+112#11582#11470
20K → HALF3021+9#11470#11461
HALF → 25K19149+142#11461#11319
25K → 30K195200-17#11319#11336
30K → 20M43200-194#11336#11530
20M → 21M75127-52#11530#11582
21M → 35K6949+20#11582#11562
35K → 23M54200-198#11562#11760
23M → 24M7200-947#11760#12707
24M → 40K1200-1762#12707#14469
40K → 25.2M1200-987#14469#15456
25.2M → FINISH1200-1817#15456#17273
TOTALS1303*2085-5739

* 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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