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BOSTON MARATHON 2026

Michael Choi

Bib: 10117•M

CT

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 22%
Gender (Male)
#0 / 16340
Top 34%
Masters (Masters Men)
#0 / 10617
Top 20%
Age Group (M45-49)
#0 / 2413
Top 28%
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
21:29
3.11 mi
Rank: #7858
Start → 5K
21:29 | 6:55/mi
10K
42:47
6.21 mi
Rank: #7700 (+158)
5K → 10K
21:18 | 6:52/mi
15K
1:03:47
9.32 mi
Rank: #7289 (+411)
10K → 15K
21:00 | 6:46/mi
20K
1:24:54
12.43 mi
Rank: #6948 (+341)
15K → 20K
21:07 | 6:48/mi
HALF
1:29:28
13.11 mi
Rank: #6905 (+43)
20K → HALF
4:34 | 6:42/mi
25K
1:45:49
15.53 mi
Rank: #6592 (+313)
HALF → 25K
16:21 | 6:45/mi
30K
2:07:07
18.64 mi
Rank: #6217 (+375)
25K → 30K
21:18 | 6:52/mi
20M
2:16:25
20.00 mi
Rank: #6057 (+160)
30K → 20M
9:18 | 6:51/mi
21M
2:23:54
21.00 mi
Rank: #6058 (-1)
20M → 21M
7:29 | 7:29/mi
35K
2:29:08
21.75 mi
Rank: #6107 (-49)
21M → 35K
5:14 | 7:00/mi
23M
2:38:16
23.00 mi
Rank: #6179 (-72)
35K → 23M
9:08 | 7:18/mi
24M
2:45:35
24.00 mi
Rank: #6287 (-108)
23M → 24M
7:19 | 7:19/mi
40K
2:51:54
24.85 mi
Rank: #6308 (-21)
24M → 40K
6:19 | 7:24/mi
25.2M
2:54:39
25.20 mi
Rank: #6323 (-15)
40K → 25.2M
2:45 | 7:59/mi
FINISH
3:02:00
26.22 mi
Rank: #6353 (-30)
25.2M → FINISH
7:21 | 7:13/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:29:28
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:32:32
Pace7:04 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:2021:296:5521:29
6:55
-
10K
6.21 mi10:59:3842:476:5421:18
6:52
-0:03
15K
9.32 mi11:20:381:03:476:5121:00
6:46
-0:06
20K
12.43 mi11:41:451:24:546:5021:07
6:48
+0:02
HALF
13.11 mi11:46:191:29:286:504:34
6:42
-0:06
25K
15.53 mi12:02:401:45:496:4916:21
6:45
+0:03
30K
18.64 mi12:23:582:07:076:5021:18
6:52
+0:07
20M
20.00 mi12:33:162:16:256:509:18
6:51
-0:01
21M
21.00 mi12:40:452:23:546:527:29
7:29
+0:38
35K
21.75 mi12:45:592:29:086:525:14
7:00
-0:29
23M
23.00 mi12:55:072:38:166:539:08
7:18
+0:18
24M
24.00 mi13:02:262:45:356:547:19
7:19
+0:01
40K
24.85 mi13:08:452:51:546:556:19
7:24
+0:05
25.2M
25.20 mi13:11:302:54:396:562:45
7:59
+0:35
FINISH
26.22 mi13:18:513:02:006:577:21
7:13
-0:46

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

6:42 /mi

Average Pace

6:57 /mi

Slowest Pace

7:59 /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

2:45:27

91% of race

Time at Steady Pace

13:48

8% of race

Time at Slower Pace

2:45

2% of race

Average Pace: 6:56 /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 mi10:38:2021:296:5521:29
6:55
#7858
10K
6.21 mi10:59:3842:476:5421:18
6:52
#7700
15K
9.32 mi11:20:381:03:476:5121:00
6:46
#7289
20K
12.43 mi11:41:451:24:546:5021:07
6:48
#6948
HALF
13.11 mi11:46:191:29:286:504:34
6:42
#6905
25K
15.53 mi12:02:401:45:496:4916:21
6:45
#6592
30K
18.64 mi12:23:582:07:076:5021:18
6:52
#6217
20M
20.00 mi12:33:162:16:256:509:18
6:51
#6057
21M
21.00 mi12:40:452:23:546:527:29
7:29
#6058
35K
21.75 mi12:45:592:29:086:525:14
7:00
#6107
23M
23.00 mi12:55:072:38:166:539:08
7:18
#6179
24M
24.00 mi13:02:262:45:356:547:19
7:19
#6287
40K
24.85 mi13:08:452:51:546:556:19
7:24
#6308
25.2M
25.20 mi13:11:302:54:396:562:45
7:59
#6323
FINISH
26.22 mi13:18:513:02:006:577:21
7:13
#6353
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 mi7858680568056414(Top 22%)5743(Top 35%)5743(Top 238%)
10K6.21 mi3.10 mi7700+1586685+1206685+1207514(Top 26%)6558(Top 40%)6558(Top 272%)
15K9.32 mi3.11 mi7289+4116404+2816404+2816414(Top 22%)5743(Top 35%)5743(Top 238%)
20K12.43 mi3.11 mi6948+3416148+2566148+2566169(Top 21%)5539(Top 34%)5539(Top 230%)
HALF13.11 mi0.68 mi6905+436120+286120+286152(Top 21%)5539(Top 34%)5539(Top 230%)
25K15.53 mi2.42 mi6592+3135882+2385882+2385271(Top 18%)4815(Top 29%)4815(Top 200%)
30K18.64 mi3.11 mi6217+3755570+3125570+3124827(Top 17%)4391(Top 27%)4391(Top 182%)
20M20.00 mi1.36 mi6057+1605444+1265444+1264486(Top 15%)4074(Top 25%)4074(Top 169%)
21M21.00 mi1.00 mi6058-15432+125432+126356(Top 22%)5349(Top 33%)5349(Top 222%)
35K21.75 mi0.75 mi6107-495465-335465-337006(Top 24%)5808(Top 36%)5808(Top 241%)
23M23.00 mi1.25 mi6179-725515-505515-507420(Top 26%)6004(Top 37%)6004(Top 249%)
24M24.00 mi1.00 mi6287-1085591-765591-768672(Top 30%)6610(Top 40%)6610(Top 274%)
40K24.85 mi0.85 mi6308-215594-35594-38010(Top 28%)6170(Top 38%)6170(Top 256%)
25.2M25.20 mi0.35 mi6323-155596-25596-28106(Top 28%)6141(Top 38%)6141(Top 254%)
FINISH26.22 mi1.02 mi6353-305603-75603-79173(Top 32%)6673(Top 41%)6673(Top 277%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21
+97ft-345ft

Overall

6414

Males

5743

M45-49

5743

5K→10K

3.1 - 6.2 mi

Top 26%
×5
+79ft-138ft

Overall

7514

Males

6558

M45-49

6558

10K→15K

6.2 - 9.3 mi

Top 22%
×3
+67ft-78ft

Overall

6414

Males

5743

M45-49

5743

15K→20K

9.3 - 12.4 mi

Top 21%
×5
+106ft-86ft

Overall

6169

Males

5539

M45-49

5539

20K→HALF

12.4 - 13.1 mi

Top 21%
×2
+19ft-37ft

Overall

6152

Males

5539

M45-49

5539

HALF→25K

13.1 - 15.5 mi

Top 18%
×4
+66ft-88ft

Overall

5271

Males

4815

M45-49

4815

25K→30K

15.5 - 18.6 mi

Top 17%
×9
+181ft-148ft

Overall

4827

Males

4391

M45-49

4391

30K→20M

18.6 - 20.0 mi

Top 15%
×5
+64ft-50ft

Overall

4486

Males

4074

M45-49

4074

20M→21M

20.0 - 21.0 mi

Top 22%
×8
+106ft-24ft

Overall

6356

Males

5349

M45-49

5349

21M→35K

21.0 - 21.8 mi

Top 24%
×7
+17ft-86ft

Overall

7006

Males

5808

M45-49

5808

35K→23M

21.8 - 23.0 mi

Top 26%
×5
+23ft-63ft

Overall

7420

Males

6004

M45-49

6004

23M→24M

23.0 - 24.0 mi

Top 30%
×6
+12ft-82ft

Overall

8672

Males

6610

M45-49

6610

24M→40K

24.0 - 24.9 mi

Top 28%
×1
+6ft-20ft

Overall

8010

Males

6170

M45-49

6170

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1
+13ft-16ft

Overall

8106

Males

6141

M45-49

6141

25.2M→FINISH

25.2 - 26.2 mi

Top 32%
×2
+22ft-21ft

Overall

9173

Males

6673

M45-49

6673

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2311
Passed By
806
Net Change
+1505
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7858
5K → 10K294136+158#7858#7700
10K → 15K42514+411#7700#7289
15K → 20K36625+341#7289#6948
20K → HALF5411+43#6948#6905
HALF → 25K3196+313#6905#6592
25K → 30K38712+375#6592#6217
30K → 20M17111+160#6217#6057
20M → 21M7475-1#6057#6058
21M → 35K2978-49#6058#6107
35K → 23M54126-72#6107#6179
23M → 24M34142-108#6179#6287
24M → 40K4566-21#6287#6308
40K → 25.2M1631-15#6308#6323
25.2M → FINISH4373-30#6323#6353
TOTALS2311806+1505
📊

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