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BOSTON MARATHON 2026

Man Ho Choi

Bib: 10542•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 36%
Gender (Male)
#0 / 16340
Top 49%
Masters (Masters Men)
#0 / 10617
Top 38%
Age Group (M50-54)
#0 / 1868
Top 40%
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
21:50
3.11 mi
Rank: #8763
Start → 5K
21:50 | 7:02/mi
10K
44:09
6.21 mi
Rank: #9372 (-609)
5K → 10K
22:19 | 7:11/mi
15K
1:06:50
9.32 mi
Rank: #9869 (-497)
10K → 15K
22:41 | 7:19/mi
20K
1:30:01
12.43 mi
Rank: #10283 (-414)
15K → 20K
23:11 | 7:28/mi
HALF
1:35:03
13.11 mi
Rank: #10362 (-79)
20K → HALF
5:02 | 7:24/mi
25K
1:53:23
15.53 mi
Rank: #10581 (-219)
HALF → 25K
18:20 | 7:34/mi
30K
2:17:40
18.64 mi
Rank: #10854 (-273)
25K → 30K
24:17 | 7:49/mi
20M
2:28:16
20.00 mi
Rank: #10886 (-32)
30K → 20M
10:36 | 7:49/mi
21M
2:36:30
21.00 mi
Rank: #10888 (-2)
20M → 21M
8:14 | 8:14/mi
35K
2:42:05
21.75 mi
Rank: #10861 (+27)
21M → 35K
5:35 | 7:28/mi
23M
2:51:34
23.00 mi
Rank: #10725 (+136)
35K → 23M
9:29 | 7:35/mi
24M
2:58:55
24.00 mi
Rank: #10600 (+125)
23M → 24M
7:21 | 7:21/mi
40K
3:05:25
24.85 mi
Rank: #10545 (+55)
24M → 40K
6:30 | 7:37/mi
25.2M
3:08:18
25.20 mi
Rank: #10533 (+12)
40K → 25.2M
2:53 | 8:22/mi
FINISH
3:15:58
26.22 mi
Rank: #10541 (-8)
25.2M → FINISH
7:40 | 7:32/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:35:03
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time1:40:55
Pace7:42 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:39:0521:507:0221:50
7:02
-
10K
6.21 mi11:01:2444:097:0722:19
7:11
+0:09
15K
9.32 mi11:24:051:06:507:1122:41
7:19
+0:08
20K
12.43 mi11:47:161:30:017:1523:11
7:28
+0:09
HALF
13.11 mi11:52:181:35:037:165:02
7:24
-0:04
25K
15.53 mi12:10:381:53:237:1818:20
7:34
+0:10
30K
18.64 mi12:34:552:17:407:2424:17
7:49
+0:15
20M
20.00 mi12:45:312:28:167:2510:36
7:49
0:00
21M
21.00 mi12:53:452:36:307:288:14
8:14
+0:25
35K
21.75 mi12:59:202:42:057:285:35
7:28
-0:46
23M
23.00 mi13:08:492:51:347:289:29
7:35
+0:07
24M
24.00 mi13:16:102:58:557:287:21
7:21
-0:14
40K
24.85 mi13:22:403:05:257:286:30
7:37
+0:16
25.2M
25.20 mi13:25:333:08:187:292:53
8:22
+0:45
FINISH
26.22 mi13:33:133:15:587:297:40
7:32
-0:50

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

7:02 /mi

Average Pace

7:29 /mi

Slowest Pace

8:22 /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

2:29:58

77% of race

Time at Steady Pace

43:07

22% of race

Time at Slower Pace

2:53

1% of race

Average Pace: 7:28 /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 mi10:39:0521:507:0221:50
7:02
#8763
10K
6.21 mi11:01:2444:097:0722:19
7:11
#9372
15K
9.32 mi11:24:051:06:507:1122:41
7:19
#9869
20K
12.43 mi11:47:161:30:017:1523:11
7:28
#10283
HALF
13.11 mi11:52:181:35:037:165:02
7:24
#10362
25K
15.53 mi12:10:381:53:237:1818:20
7:34
#10581
30K
18.64 mi12:34:552:17:407:2424:17
7:49
#10854
20M
20.00 mi12:45:312:28:167:2510:36
7:49
#10886
21M
21.00 mi12:53:452:36:307:288:14
8:14
#10888
35K
21.75 mi12:59:202:42:057:285:35
7:28
#10861
23M
23.00 mi13:08:492:51:347:289:29
7:35
#10725
24M
24.00 mi13:16:102:58:557:287:21
7:21
#10600
40K
24.85 mi13:22:403:05:257:286:30
7:37
#10545
25.2M
25.20 mi13:25:333:08:187:292:53
8:22
#10533
FINISH
26.22 mi13:33:133:15:587:297:40
7:32
#10541
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi87637411741111051(Top 38%)8508(Top 52%)8508(Top 455%)
10K6.21 mi3.10 mi9372-6097759-3487759-34810111(Top 35%)8118(Top 50%)8118(Top 435%)
15K9.32 mi3.11 mi9869-4977991-2327991-23211051(Top 38%)8508(Top 52%)8508(Top 455%)
20K12.43 mi3.11 mi10283-4148153-1628153-16211624(Top 40%)8680(Top 53%)8680(Top 465%)
HALF13.11 mi0.68 mi10362-798192-398192-3911893(Top 41%)8865(Top 54%)8865(Top 475%)
25K15.53 mi2.42 mi10581-2198259-678259-6711893(Top 41%)8729(Top 53%)8729(Top 467%)
30K18.64 mi3.11 mi10854-2738342-838342-8312080(Top 42%)8686(Top 53%)8686(Top 465%)
20M20.00 mi1.36 mi10886-328329+138329+1311344(Top 39%)8231(Top 50%)8231(Top 441%)
21M21.00 mi1.00 mi10888-28309+208309+2011375(Top 39%)8151(Top 50%)8151(Top 436%)
35K21.75 mi0.75 mi10861+278276+338276+3310525(Top 36%)7739(Top 47%)7739(Top 414%)
23M23.00 mi1.25 mi10725+1368183+938183+939417(Top 32%)7105(Top 43%)7105(Top 380%)
24M24.00 mi1.00 mi10600+1258095+888095+888956(Top 31%)6786(Top 42%)6786(Top 363%)
40K24.85 mi0.85 mi10545+558051+448051+449574(Top 33%)6996(Top 43%)6996(Top 375%)
25.2M25.20 mi0.35 mi10533+128036+158036+1510647(Top 37%)7454(Top 46%)7454(Top 399%)
FINISH26.22 mi1.02 mi10541-88018+188018+1811565(Top 40%)7884(Top 48%)7884(Top 422%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21
+97ft-345ft

Overall

11051

Males

8508

M50-54

8508

5K→10K

3.1 - 6.2 mi

Top 35%
×5
+79ft-138ft

Overall

10111

Males

8118

M50-54

8118

10K→15K

6.2 - 9.3 mi

Top 38%
×3
+67ft-78ft

Overall

11051

Males

8508

M50-54

8508

15K→20K

9.3 - 12.4 mi

Top 40%
×5
+106ft-86ft

Overall

11624

Males

8680

M50-54

8680

20K→HALF

12.4 - 13.1 mi

Top 41%
×2
+19ft-37ft

Overall

11893

Males

8865

M50-54

8865

HALF→25K

13.1 - 15.5 mi

Top 41%
×4
+66ft-88ft

Overall

11893

Males

8729

M50-54

8729

25K→30K

15.5 - 18.6 mi

Top 42%
×9
+181ft-148ft

Overall

12080

Males

8686

M50-54

8686

30K→20M

18.6 - 20.0 mi

Top 39%
×5
+64ft-50ft

Overall

11344

Males

8231

M50-54

8231

20M→21M

20.0 - 21.0 mi

Top 39%
×8
+106ft-24ft

Overall

11375

Males

8151

M50-54

8151

21M→35K

21.0 - 21.8 mi

Top 36%
×7
+17ft-86ft

Overall

10525

Males

7739

M50-54

7739

35K→23M

21.8 - 23.0 mi

Top 32%
×5
+23ft-63ft

Overall

9417

Males

7105

M50-54

7105

23M→24M

23.0 - 24.0 mi

Top 31%
×6
+12ft-82ft

Overall

8956

Males

6786

M50-54

6786

24M→40K

24.0 - 24.9 mi

Top 33%
×1
+6ft-20ft

Overall

9574

Males

6996

M50-54

6996

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1
+13ft-16ft

Overall

10647

Males

7454

M50-54

7454

25.2M→FINISH

25.2 - 26.2 mi

Top 40%
×2
+22ft-21ft

Overall

11565

Males

7884

M50-54

7884

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1130
Passed By
2905
Net Change
-1778
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8763
5K → 10K51660-609#8763#9372
10K → 15K44540-497#9372#9869
15K → 20K72484-414#9869#10283
20K → HALF988-79#10283#10362
HALF → 25K70289-219#10362#10581
25K → 30K116389-273#10581#10854
30K → 20M86118-32#10854#10886
20M → 21M102104-2#10886#10888
21M → 35K6538+27#10888#10861
35K → 23M17539+136#10861#10725
23M → 24M14823+125#10725#10600
24M → 40K9338+55#10600#10545
40K → 25.2M3321+12#10545#10533
25.2M → FINISH6674-8#10533#10541
TOTALS11302905-1778

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📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing