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BOSTON MARATHON 2026

Joon Hyeok Choi

Bib: 32556•M

MA

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Overall
#0 / 29021
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
34:42
3.11 mi
Rank: #28228
Start → 5K
34:42 | 11:11/mi
10K
1:08:47
6.21 mi
Rank: #27964 (+264)
5K → 10K
34:05 | 10:59/mi
15K
1:42:07
9.32 mi
Rank: #27656 (+308)
10K → 15K
33:20 | 10:44/mi
20K
2:15:33
12.43 mi
Rank: #27379 (+277)
15K → 20K
33:26 | 10:46/mi
HALF
2:23:40
13.11 mi
Rank: #27454 (-75)
20K → HALF
8:07 | 11:55/mi
25K
2:52:23
15.53 mi
Rank: #27439 (+15)
HALF → 25K
28:43 | 11:51/mi
30K
3:30:16
18.64 mi
Rank: #27372 (+67)
25K → 30K
37:53 | 12:12/mi
20M
3:47:07
20.00 mi
Rank: #27354 (+18)
30K → 20M
16:51 | 12:25/mi
21M
3:59:35
21.00 mi
Rank: #27282 (+72)
20M → 21M
12:28 | 12:28/mi
35K
4:08:02
21.75 mi
Rank: #27237 (+45)
21M → 35K
8:27 | 11:18/mi
23M
4:23:54
23.00 mi
Rank: #27241 (-4)
35K → 23M
15:52 | 12:41/mi
24M
4:36:23
24.00 mi
Rank: #27248 (-7)
23M → 24M
12:29 | 12:29/mi
40K
4:47:01
24.85 mi
Rank: #27233 (+15)
24M → 40K
10:38 | 12:27/mi
25.2M
4:51:34
25.20 mi
Rank: #27229 (+4)
40K → 25.2M
4:33 | 13:12/mi
FINISH
5:02:40
26.22 mi
Rank: #27208 (+21)
25.2M → FINISH
11:06 | 10:54/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:23:40
Pace10:58 /mi
2nd Half
Distance13.11 mi
Time2:39:00
Pace12:08 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:05:0234:4211:1134:42
11:11
-
10K
6.21 mi12:39:071:08:4711:0534:05
10:59
-0:12
15K
9.32 mi13:12:271:42:0710:5833:20
10:44
-0:15
20K
12.43 mi13:45:532:15:3310:5533:26
10:46
+0:02
HALF
13.11 mi13:54:002:23:4010:588:07
11:55
+1:09
25K
15.53 mi14:22:432:52:2311:0628:43
11:51
-0:04
30K
18.64 mi15:00:363:30:1611:1737:53
12:12
+0:21
20M
20.00 mi15:17:273:47:0711:2216:51
12:25
+0:13
21M
21.00 mi15:29:553:59:3511:2512:28
12:28
+0:03
35K
21.75 mi15:38:224:08:0211:258:27
11:18
-1:10
23M
23.00 mi15:54:144:23:5411:2915:52
12:41
+1:23
24M
24.00 mi16:06:434:36:2311:3112:29
12:29
-0:12
40K
24.85 mi16:17:214:47:0111:3310:38
12:27
-0:02
25.2M
25.20 mi16:21:544:51:3411:354:33
13:12
+0:45
FINISH
26.22 mi16:33:005:02:4011:3411:06
10:54
-2:18

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

10:44 /mi

Average Pace

11:33 /mi

Slowest Pace

13:12 /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

2:35:06

51% of race

Time at Steady Pace

1:14:43

25% of race

Time at Slower Pace

1:12:51

24% of race

Average Pace: 11:33 /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 mi12:05:0234:4211:1134:42
11:11
#28228
10K
6.21 mi12:39:071:08:4711:0534:05
10:59
#27964
15K
9.32 mi13:12:271:42:0710:5833:20
10:44
#27656
20K
12.43 mi13:45:532:15:3310:5533:26
10:46
#27379
HALF
13.11 mi13:54:002:23:4010:588:07
11:55
#27454
25K
15.53 mi14:22:432:52:2311:0628:43
11:51
#27439
30K
18.64 mi15:00:363:30:1611:1737:53
12:12
#27372
20M
20.00 mi15:17:273:47:0711:2216:51
12:25
#27354
21M
21.00 mi15:29:553:59:3511:2512:28
12:28
#27282
35K
21.75 mi15:38:224:08:0211:258:27
11:18
#27237
23M
23.00 mi15:54:144:23:5411:2915:52
12:41
#27241
24M
24.00 mi16:06:434:36:2311:3112:29
12:29
#27248
40K
24.85 mi16:17:214:47:0111:3310:38
12:27
#27233
25.2M
25.20 mi16:21:544:51:3411:354:33
13:12
#27229
FINISH
26.22 mi16:33:005:02:4011:3411:06
10:54
#27208
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 mi28228160931609327065(Top 93%)15627(Top 96%)15627(Top 273%)
10K6.21 mi3.10 mi27964+26415995+9815995+9827638(Top 95%)15853(Top 97%)15853(Top 277%)
15K9.32 mi3.11 mi27656+30815869+12615869+12627065(Top 93%)15627(Top 96%)15627(Top 273%)
20K12.43 mi3.11 mi27379+27715753+11615753+11626637(Top 92%)15419(Top 94%)15419(Top 269%)
HALF13.11 mi0.68 mi27454-7515783-3015783-3028213(Top 97%)16022(Top 98%)16022(Top 280%)
25K15.53 mi2.42 mi27439+1515770+1315770+1327363(Top 94%)15684(Top 96%)15684(Top 274%)
30K18.64 mi3.11 mi27372+6715722+4815722+4827021(Top 93%)15457(Top 95%)15457(Top 270%)
20M20.00 mi1.36 mi27354+1815706+1615706+1626854(Top 93%)15322(Top 94%)15322(Top 268%)
21M21.00 mi1.00 mi27282+7215662+4415662+4425738(Top 89%)14754(Top 90%)14754(Top 258%)
35K21.75 mi0.75 mi27237+4515645+1715645+1725743(Top 89%)14748(Top 90%)14748(Top 258%)
23M23.00 mi1.25 mi27241-415634+1115634+1126997(Top 93%)15315(Top 94%)15315(Top 268%)
24M24.00 mi1.00 mi27248-715628+615628+627149(Top 94%)15356(Top 94%)15356(Top 268%)
40K24.85 mi0.85 mi27233+1515609+1915609+1926454(Top 91%)14989(Top 92%)14989(Top 262%)
25.2M25.20 mi0.35 mi27229+415602+715602+726320(Top 91%)14948(Top 91%)14948(Top 261%)
FINISH26.22 mi1.02 mi27208+2115591+1115591+1125911(Top 89%)14718(Top 90%)14718(Top 257%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21
+97ft-345ft

Overall

27065

Males

15627

M18-39

15627

5K→10K

3.1 - 6.2 mi

Top 95%
×5
+79ft-138ft

Overall

27638

Males

15853

M18-39

15853

10K→15K

6.2 - 9.3 mi

Top 93%
×3
+67ft-78ft

Overall

27065

Males

15627

M18-39

15627

15K→20K

9.3 - 12.4 mi

Top 92%
×5
+106ft-86ft

Overall

26637

Males

15419

M18-39

15419

20K→HALF

12.4 - 13.1 mi

Top 97%
×2
+19ft-37ft

Overall

28213

Males

16022

M18-39

16022

HALF→25K

13.1 - 15.5 mi

Top 94%
×4
+66ft-88ft

Overall

27363

Males

15684

M18-39

15684

25K→30K

15.5 - 18.6 mi

Top 93%
×9
+181ft-148ft

Overall

27021

Males

15457

M18-39

15457

30K→20M

18.6 - 20.0 mi

Top 93%
×5
+64ft-50ft

Overall

26854

Males

15322

M18-39

15322

20M→21M

20.0 - 21.0 mi

Top 89%
×8
+106ft-24ft

Overall

25738

Males

14754

M18-39

14754

21M→35K

21.0 - 21.8 mi

Top 89%
×7
+17ft-86ft

Overall

25743

Males

14748

M18-39

14748

35K→23M

21.8 - 23.0 mi

Top 93%
×5
+23ft-63ft

Overall

26997

Males

15315

M18-39

15315

23M→24M

23.0 - 24.0 mi

Top 94%
×6
+12ft-82ft

Overall

27149

Males

15356

M18-39

15356

24M→40K

24.0 - 24.9 mi

Top 91%
×1
+6ft-20ft

Overall

26454

Males

14989

M18-39

14989

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1
+13ft-16ft

Overall

26320

Males

14948

M18-39

14948

25.2M→FINISH

25.2 - 26.2 mi

Top 89%
×2
+22ft-21ft

Overall

25911

Males

14718

M18-39

14718

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1427*
Passed By
407
Net Change
+1020
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28228
5K → 10K298*34+264#28228#27964
10K → 15K321*13+308#27964#27656
15K → 20K281*4+277#27656#27379
20K → HALF1287-75#27379#27454
HALF → 25K8065+15#27454#27439
25K → 30K11548+67#27439#27372
30K → 20M6244+18#27372#27354
20M → 21M819+72#27354#27282
21M → 35K483+45#27282#27237
35K → 23M2933-4#27237#27241
23M → 24M3239-7#27241#27248
24M → 40K2611+15#27248#27233
40K → 25.2M106+4#27233#27229
25.2M → FINISH3211+21#27229#27208
TOTALS1427*407+1020

* 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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing