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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Jacob Isaacson

Bib: 4814 •M •Age: N/A

NH

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 14%
Gender (Male)
#0 / 16340
Top 24%
Age Group (M18-39)
#0 / 5723
Top 50%
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
20:21
3.11 mi
Rank: #4595
Start → 5K
20:21 | 6:34/mi
10K
41:04
6.21 mi
Rank: #5050 (-455)
5K → 10K
20:43 | 6:41/mi
15K
1:01:39
9.32 mi
Rank: #5075 (-25)
10K → 15K
20:35 | 6:38/mi
20K
1:22:22
12.43 mi
Rank: #5004 (+71)
15K → 20K
20:43 | 6:41/mi
HALF
1:26:50
13.11 mi
Rank: #4980 (+24)
20K → HALF
4:28 | 6:34/mi
25K
1:43:04
15.53 mi
Rank: #4924 (+56)
HALF → 25K
16:14 | 6:42/mi
30K
2:04:14
18.64 mi
Rank: #4800 (+124)
25K → 30K
21:10 | 6:49/mi
20M
2:13:32
20.00 mi
Rank: #4752 (+48)
30K → 20M
9:18 | 6:51/mi
21M
2:20:26
21.00 mi
Rank: #4594 (+158)
20M → 21M
6:54 | 6:54/mi
35K
2:25:13
21.75 mi
Rank: #4499 (+95)
21M → 35K
4:47 | 6:24/mi
23M
2:33:34
23.00 mi
Rank: #4376 (+123)
35K → 23M
8:21 | 6:41/mi
24M
2:40:06
24.00 mi
Rank: #4288 (+88)
23M → 24M
6:32 | 6:32/mi
40K
2:45:48
24.85 mi
Rank: #4223 (+65)
24M → 40K
5:42 | 6:40/mi
25.2M
2:48:15
25.20 mi
Rank: #4194 (+29)
40K → 25.2M
2:27 | 7:07/mi
FINISH
2:54:48
26.22 mi
Rank: #4147 (+47)
25.2M → FINISH
6:33 | 6:26/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:26:50
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:27:58
Pace6:43 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2020:216:3420:21
6:34
-
10K
6.21 mi10:44:0341:046:3720:43
6:41
+0:07
15K
9.32 mi11:04:381:01:396:3720:35
6:38
-0:03
20K
12.43 mi11:25:211:22:226:3820:43
6:41
+0:03
HALF
13.11 mi11:29:491:26:506:384:28
6:34
-0:07
25K
15.53 mi11:46:031:43:046:3916:14
6:42
+0:08
30K
18.64 mi12:07:132:04:146:4021:10
6:49
+0:07
20M
20.00 mi12:16:312:13:326:419:18
6:51
+0:02
21M
21.00 mi12:23:252:20:266:426:54
6:54
+0:03
35K
21.75 mi12:28:122:25:136:414:47
6:24
-0:30
23M
23.00 mi12:36:332:33:346:418:21
6:41
+0:17
24M
24.00 mi12:43:052:40:066:416:32
6:32
-0:09
40K
24.85 mi12:48:472:45:486:415:42
6:40
+0:08
25.2M
25.20 mi12:51:142:48:156:412:27
7:07
+0:27
FINISH
26.22 mi12:57:472:54:486:416:33
6:26
-0:41

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

6:24 /mi

Average Pace

6:40 /mi

Slowest Pace

7:07 /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

2:52:21

99% of race

Time at Steady Pace

2:27

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:40 /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 mi10:23:2020:216:3420:21
6:34
#4595
10K
6.21 mi10:44:0341:046:3720:43
6:41
#5050
15K
9.32 mi11:04:381:01:396:3720:35
6:38
#5075
20K
12.43 mi11:25:211:22:226:3820:43
6:41
#5004
HALF
13.11 mi11:29:491:26:506:384:28
6:34
#4980
25K
15.53 mi11:46:031:43:046:3916:14
6:42
#4924
30K
18.64 mi12:07:132:04:146:4021:10
6:49
#4800
20M
20.00 mi12:16:312:13:326:419:18
6:51
#4752
21M
21.00 mi12:23:252:20:266:426:54
6:54
#4594
35K
21.75 mi12:28:122:25:136:414:47
6:24
#4499
23M
23.00 mi12:36:332:33:346:418:21
6:41
#4376
24M
24.00 mi12:43:052:40:066:416:32
6:32
#4288
40K
24.85 mi12:48:472:45:486:415:42
6:40
#4223
25.2M
25.20 mi12:51:142:48:156:412:27
7:07
#4194
FINISH
26.22 mi12:57:472:54:486:416:33
6:26
#4147
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 mi4595431643165098(Top 18%)4741(Top 29%)4741(Top 83%)
10K6.21 mi3.10 mi5050-4554712-3964712-3965630(Top 19%)5169(Top 32%)5169(Top 90%)
15K9.32 mi3.11 mi5075-254728-164728-165098(Top 18%)4741(Top 29%)4741(Top 83%)
20K12.43 mi3.11 mi5004+714664+644664+644912(Top 17%)4568(Top 28%)4568(Top 80%)
HALF13.11 mi0.68 mi4980+244647+174647+174783(Top 16%)4455(Top 27%)4455(Top 78%)
25K15.53 mi2.42 mi4924+564595+524595+524828(Top 17%)4459(Top 27%)4459(Top 78%)
30K18.64 mi3.11 mi4800+1244476+1194476+1194457(Top 15%)4094(Top 25%)4094(Top 72%)
20M20.00 mi1.36 mi4752+484431+454431+454455(Top 15%)4043(Top 25%)4043(Top 71%)
21M21.00 mi1.00 mi4594+1584287+1444287+1442928(Top 10%)2735(Top 17%)2735(Top 48%)
35K21.75 mi0.75 mi4499+954199+884199+883017(Top 10%)2815(Top 17%)2815(Top 49%)
23M23.00 mi1.25 mi4376+1234079+1204079+1203325(Top 11%)3048(Top 19%)3048(Top 53%)
24M24.00 mi1.00 mi4288+883990+893990+893346(Top 12%)3037(Top 19%)3037(Top 53%)
40K24.85 mi0.85 mi4223+653928+623928+623404(Top 12%)3065(Top 19%)3065(Top 54%)
25.2M25.20 mi0.35 mi4194+293903+253903+253121(Top 11%)2791(Top 17%)2791(Top 49%)
FINISH26.22 mi1.02 mi4147+473855+483855+483711(Top 13%)3245(Top 20%)3245(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21
+97ft-345ft

Overall

5098

Males

4741

M18-39

4741

5K→10K

3.1 - 6.2 mi

Top 19%
×5
+79ft-138ft

Overall

5630

Males

5169

M18-39

5169

10K→15K

6.2 - 9.3 mi

Top 18%
×3
+67ft-78ft

Overall

5098

Males

4741

M18-39

4741

15K→20K

9.3 - 12.4 mi

Top 17%
×5
+106ft-86ft

Overall

4912

Males

4568

M18-39

4568

20K→HALF

12.4 - 13.1 mi

Top 16%
×2
+19ft-37ft

Overall

4783

Males

4455

M18-39

4455

HALF→25K

13.1 - 15.5 mi

Top 17%
×4
+66ft-88ft

Overall

4828

Males

4459

M18-39

4459

25K→30K

15.5 - 18.6 mi

Top 15%
×9
+181ft-148ft

Overall

4457

Males

4094

M18-39

4094

30K→20M

18.6 - 20.0 mi

Top 15%
×5
+64ft-50ft

Overall

4455

Males

4043

M18-39

4043

20M→21M

20.0 - 21.0 mi

Top 10%
×8
+106ft-24ft

Overall

2928

Males

2735

M18-39

2735

21M→35K

21.0 - 21.8 mi

Top 10%
×7
+17ft-86ft

Overall

3017

Males

2815

M18-39

2815

35K→23M

21.8 - 23.0 mi

Top 11%
×5
+23ft-63ft

Overall

3325

Males

3048

M18-39

3048

23M→24M

23.0 - 24.0 mi

Top 12%
×6
+12ft-82ft

Overall

3346

Males

3037

M18-39

3037

24M→40K

24.0 - 24.9 mi

Top 12%
×1
+6ft-20ft

Overall

3404

Males

3065

M18-39

3065

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1
+13ft-16ft

Overall

3121

Males

2791

M18-39

2791

25.2M→FINISH

25.2 - 26.2 mi

Top 13%
×2
+22ft-21ft

Overall

3711

Males

3245

M18-39

3245

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1348
Passed By
607
Net Change
+448
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4595
5K → 10K38200-455#4595#5050
10K → 15K95120-25#5050#5075
15K → 20K13160+71#5075#5004
20K → HALF3713+24#5004#4980
HALF → 25K10852+56#4980#4924
25K → 30K17854+124#4924#4800
30K → 20M7123+48#4800#4752
20M → 21M1646+158#4752#4594
21M → 35K994+95#4594#4499
35K → 23M1296+123#4499#4376
23M → 24M10315+88#4376#4288
24M → 40K8318+65#4288#4223
40K → 25.2M378+29#4223#4194
25.2M → FINISH7528+47#4194#4147
TOTALS1348607+448
📊

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

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