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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Jangwon Choi

Bib: 3278 •M •Age: N/A

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 40%
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
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
19:40
3.11 mi
Rank: #2936
Start → 5K
19:40 | 6:20/mi
10K
39:14
6.21 mi
Rank: #2862 (+74)
5K → 10K
19:34 | 6:18/mi
15K
59:21
9.32 mi
Rank: #3268 (-406)
10K → 15K
20:07 | 6:29/mi
20K
1:19:37
12.43 mi
Rank: #3399 (-131)
15K → 20K
20:16 | 6:32/mi
HALF
1:23:57
13.11 mi
Rank: #3396 (+3)
20K → HALF
4:20 | 6:22/mi
25K
1:40:31
15.53 mi
Rank: #3751 (-355)
HALF → 25K
16:34 | 6:50/mi
30K
2:06:56
18.64 mi
Rank: #6110 (-2359)
25K → 30K
26:25 | 8:31/mi
20M
2:18:56
20.00 mi
Rank: #7122 (-1012)
30K → 20M
12:00 | 8:51/mi
21M
2:29:29
21.00 mi
Rank: #8096 (-974)
20M → 21M
10:33 | 10:33/mi
35K
2:36:20
21.75 mi
Rank: #8561 (-465)
21M → 35K
6:51 | 9:10/mi
23M
2:49:21
23.00 mi
Rank: #9822 (-1261)
35K → 23M
13:01 | 10:25/mi
24M
2:57:58
24.00 mi
Rank: #10241 (-419)
23M → 24M
8:37 | 8:37/mi
40K
3:06:48
24.85 mi
Rank: #10992 (-751)
24M → 40K
8:50 | 10:20/mi
25.2M
3:10:59
25.20 mi
Rank: #11405 (-413)
40K → 25.2M
4:11 | 12:08/mi
FINISH
3:19:38
26.22 mi
Rank: #11743 (-338)
25.2M → FINISH
8:39 | 8:30/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:23:57
Pace6:25 /mi
2nd Half
Distance13.11 mi
Time1:55:41
Pace8:50 /mi
📊Positive Split: 37.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0319:406:2019:40
6:20
-
10K
6.21 mi10:40:3739:146:1919:34
6:18
-0:02
15K
9.32 mi11:00:4459:216:2320:07
6:29
+0:11
20K
12.43 mi11:21:001:19:376:2520:16
6:32
+0:03
HALF
13.11 mi11:25:201:23:576:254:20
6:22
-0:10
25K
15.53 mi11:41:541:40:316:2916:34
6:50
+0:28
30K
18.64 mi12:08:192:06:566:4926:25
8:31
+1:41
20M
20.00 mi12:20:192:18:566:5712:00
8:51
+0:20
21M
21.00 mi12:30:522:29:297:0810:33
10:33
+1:42
35K
21.75 mi12:37:432:36:207:126:51
9:10
-1:23
23M
23.00 mi12:50:442:49:217:2213:01
10:25
+1:15
24M
24.00 mi12:59:212:57:587:258:37
8:37
-1:48
40K
24.85 mi13:08:113:06:487:318:50
10:20
+1:43
25.2M
25.20 mi13:12:223:10:597:354:11
12:08
+1:48
FINISH
26.22 mi13:21:013:19:387:388:39
8:30
-3:38

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

6:18 /mi

Average Pace

7:37 /mi

Slowest Pace

12:08 /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

1:40:31

50% of race

Time at Steady Pace

1:02:32

31% of race

Time at Slower Pace

36:35

18% of race

Average Pace: 7:37 /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 mi10:21:0319:406:2019:40
6:20
#2936
10K
6.21 mi10:40:3739:146:1919:34
6:18
#2862
15K
9.32 mi11:00:4459:216:2320:07
6:29
#3268
20K
12.43 mi11:21:001:19:376:2520:16
6:32
#3399
HALF
13.11 mi11:25:201:23:576:254:20
6:22
#3396
25K
15.53 mi11:41:541:40:316:2916:34
6:50
#3751
30K
18.64 mi12:08:192:06:566:4926:25
8:31
#6110
20M
20.00 mi12:20:192:18:566:5712:00
8:51
#7122
21M
21.00 mi12:30:522:29:297:0810:33
10:33
#8096
35K
21.75 mi12:37:432:36:207:126:51
9:10
#8561
23M
23.00 mi12:50:442:49:217:2213:01
10:25
#9822
24M
24.00 mi12:59:212:57:587:258:37
8:37
#10241
40K
24.85 mi13:08:113:06:487:318:50
10:20
#10992
25.2M
25.20 mi13:12:223:10:597:354:11
12:08
#11405
FINISH
26.22 mi13:21:013:19:387:388:39
8:30
#11743
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 mi2936281028104055(Top 14%)3851(Top 24%)3851(Top 67%)
10K6.21 mi3.10 mi2862+742747+632747+632828(Top 10%)2722(Top 17%)2722(Top 48%)
15K9.32 mi3.11 mi3268-4063132-3853132-3854055(Top 14%)3851(Top 24%)3851(Top 67%)
20K12.43 mi3.11 mi3399-1313253-1213253-1213959(Top 14%)3754(Top 23%)3754(Top 66%)
HALF13.11 mi0.68 mi3396+33251+23251+23498(Top 12%)3354(Top 21%)3354(Top 59%)
25K15.53 mi2.42 mi3751-3553579-3283579-3286090(Top 21%)5437(Top 33%)5437(Top 95%)
30K18.64 mi3.11 mi6110-23595499-19205499-192016922(Top 58%)10798(Top 66%)10798(Top 189%)
20M20.00 mi1.36 mi7122-10126238-7396238-73918111(Top 62%)11216(Top 69%)11216(Top 196%)
21M21.00 mi1.00 mi8096-9746843-6056843-60522063(Top 76%)13051(Top 80%)13051(Top 228%)
35K21.75 mi0.75 mi8561-4657083-2407083-24020606(Top 71%)12277(Top 75%)12277(Top 215%)
23M23.00 mi1.25 mi9822-12617750-6677750-66723126(Top 80%)13458(Top 82%)13458(Top 235%)
24M24.00 mi1.00 mi10241-4197915-1657915-16517542(Top 60%)10715(Top 66%)10715(Top 187%)
40K24.85 mi0.85 mi10992-7518275-3608275-36022778(Top 78%)13192(Top 81%)13192(Top 231%)
25.2M25.20 mi0.35 mi11405-4138460-1858460-18524651(Top 85%)14076(Top 86%)14076(Top 246%)
FINISH26.22 mi1.02 mi11743-3388572-1128572-11218064(Top 62%)10906(Top 67%)10906(Top 191%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21
+97ft-345ft

Overall

4055

Males

3851

M18-39

3851

5K→10K

3.1 - 6.2 mi

Top 10%
×5
+79ft-138ft

Overall

2828

Males

2722

M18-39

2722

10K→15K

6.2 - 9.3 mi

Top 14%
×3
+67ft-78ft

Overall

4055

Males

3851

M18-39

3851

15K→20K

9.3 - 12.4 mi

Top 14%
×5
+106ft-86ft

Overall

3959

Males

3754

M18-39

3754

20K→HALF

12.4 - 13.1 mi

Top 12%
×2
+19ft-37ft

Overall

3498

Males

3354

M18-39

3354

HALF→25K

13.1 - 15.5 mi

Top 21%
×4
+66ft-88ft

Overall

6090

Males

5437

M18-39

5437

25K→30K

15.5 - 18.6 mi

Top 58%
×9
+181ft-148ft

Overall

16922

Males

10798

M18-39

10798

30K→20M

18.6 - 20.0 mi

Top 62%
×5
+64ft-50ft

Overall

18111

Males

11216

M18-39

11216

20M→21M

20.0 - 21.0 mi

Top 76%
×8
+106ft-24ft

Overall

22063

Males

13051

M18-39

13051

21M→35K

21.0 - 21.8 mi

Top 71%
×7
+17ft-86ft

Overall

20606

Males

12277

M18-39

12277

35K→23M

21.8 - 23.0 mi

Top 80%
×5
+23ft-63ft

Overall

23126

Males

13458

M18-39

13458

23M→24M

23.0 - 24.0 mi

Top 60%
×6
+12ft-82ft

Overall

17542

Males

10715

M18-39

10715

24M→40K

24.0 - 24.9 mi

Top 78%
×1
+6ft-20ft

Overall

22778

Males

13192

M18-39

13192

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1
+13ft-16ft

Overall

24651

Males

14076

M18-39

14076

25.2M→FINISH

25.2 - 26.2 mi

Top 62%
×2
+22ft-21ft

Overall

18064

Males

10906

M18-39

10906

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
344
Passed By
2487
Net Change
-8807
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2936
5K → 10K176102+74#2936#2862
10K → 15K12200-406#2862#3268
15K → 20K47178-131#3268#3399
20K → HALF107+3#3399#3396
HALF → 25K21200-355#3396#3751
25K → 30K2200-2359#3751#6110
30K → 20M3200-1012#6110#7122
20M → 21M3200-974#7122#8096
21M → 35K10200-465#8096#8561
35K → 23M10200-1261#8561#9822
23M → 24M24200-419#9822#10241
24M → 40K1200-751#10241#10992
40K → 25.2M1200-413#10992#11405
25.2M → FINISH24200-338#11405#11743
TOTALS3442487-8807
📊

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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