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BOSTON MARATHON 2026

Changsik Jang

Bib: 12143β€’M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 46%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 49%
Age Group (M55-59)
#0 / 1491
Top 41%
Race Day Weather
51Β°/41Β°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
22:07
3.11 mi
Rank: #9493
Start β†’ 5K
22:07 | 7:08/mi
10K
45:16
6.21 mi
Rank: #10952 (-1459)
5K β†’ 10K
23:09 | 7:28/mi
15K
1:09:25
9.32 mi
Rank: #12356 (-1404)
10K β†’ 15K
24:09 | 7:47/mi
20K
1:33:20
12.43 mi
Rank: #12674 (-318)
15K β†’ 20K
23:55 | 7:42/mi
HALF
1:38:27
13.11 mi
Rank: #12688 (-14)
20K β†’ HALF
5:07 | 7:31/mi
25K
1:57:06
15.53 mi
Rank: #12723 (-35)
HALF β†’ 25K
18:39 | 7:42/mi
30K
2:21:24
18.64 mi
Rank: #12586 (+137)
25K β†’ 30K
24:18 | 7:50/mi
20M
2:32:27
20.00 mi
Rank: #12654 (-68)
30K β†’ 20M
11:03 | 8:09/mi
21M
2:41:07
21.00 mi
Rank: #12737 (-83)
20M β†’ 21M
8:40 | 8:40/mi
35K
2:48:17
21.75 mi
Rank: #13199 (-462)
21M β†’ 35K
7:10 | 9:35/mi
23M
2:58:48
23.00 mi
Rank: #13293 (-94)
35K β†’ 23M
10:31 | 8:25/mi
24M
3:06:43
24.00 mi
Rank: #13268 (+25)
23M β†’ 24M
7:55 | 7:55/mi
40K
3:13:39
24.85 mi
Rank: #13246 (+22)
24M β†’ 40K
6:56 | 8:07/mi
25.2M
3:17:09
25.20 mi
Rank: #13413 (-167)
40K β†’ 25.2M
3:30 | 10:09/mi
FINISH
3:25:17
26.22 mi
Rank: #13462 (-49)
25.2M β†’ FINISH
8:08 | 7:59/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:38:27
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:46:50
Pace8:09 /mi
πŸ“ŠPositive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1322:077:0822:07
7:08
-
10K
6.21 mi11:13:2245:167:1823:09
7:28
+0:20
15K
9.32 mi11:37:311:09:257:2724:09
7:47
+0:19
20K
12.43 mi12:01:261:33:207:3123:55
7:42
-0:05
HALF
13.11 mi12:06:331:38:277:315:07
7:31
-0:11
25K
15.53 mi12:25:121:57:067:3318:39
7:42
+0:11
30K
18.64 mi12:49:302:21:247:3624:18
7:50
+0:08
20M
20.00 mi13:00:332:32:277:3811:03
8:09
+0:19
21M
21.00 mi13:09:132:41:077:418:40
8:40
+0:31
35K
21.75 mi13:16:232:48:177:457:10
9:35
+0:55
23M
23.00 mi13:26:542:58:487:4710:31
8:25
-1:10
24M
24.00 mi13:34:493:06:437:477:55
7:55
-0:30
40K
24.85 mi13:41:453:13:397:486:56
8:07
+0:12
25.2M
25.20 mi13:45:153:17:097:503:30
10:09
+2:02
FINISH
26.22 mi13:53:233:25:177:518:08
7:59
-2:10

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

7:08 /mi

Average Pace

7:50 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

50:23

25% of race

Time at Steady Pace

2:05:03

61% of race

Time at Slower Pace

29:51

15% of race

Average Pace: 7:50 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:50:1322:077:0822:07
7:08
#9493
10K
6.21 mi11:13:2245:167:1823:09
7:28
#10952
15K
9.32 mi11:37:311:09:257:2724:09
7:47
#12356
20K
12.43 mi12:01:261:33:207:3123:55
7:42
#12674
HALF
13.11 mi12:06:331:38:277:315:07
7:31
#12688
25K
15.53 mi12:25:121:57:067:3318:39
7:42
#12723
30K
18.64 mi12:49:302:21:247:3624:18
7:50
#12586
20M
20.00 mi13:00:332:32:277:3811:03
8:09
#12654
21M
21.00 mi13:09:132:41:077:418:40
8:40
#12737
35K
21.75 mi13:16:232:48:177:457:10
9:35
#13199
23M
23.00 mi13:26:542:58:487:4710:31
8:25
#13293
24M
24.00 mi13:34:493:06:437:477:55
7:55
#13268
40K
24.85 mi13:41:453:13:397:486:56
8:07
#13246
25.2M
25.20 mi13:45:153:17:097:503:30
10:09
#13413
FINISH
26.22 mi13:53:233:25:177:518:08
7:59
#13462
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi94937834783415104(Top 52%)10227(Top 63%)10227(Top 686%)
10K6.21 mi3.10 mi10952-14598545-7118545-71112499(Top 43%)9196(Top 56%)9196(Top 617%)
15K9.32 mi3.11 mi12356-14049150-6059150-60515104(Top 52%)10227(Top 63%)10227(Top 686%)
20K12.43 mi3.11 mi12674-3189249-999249-9913686(Top 47%)9595(Top 59%)9595(Top 644%)
HALF13.11 mi0.68 mi12688-149256-79256-713038(Top 45%)9387(Top 57%)9387(Top 630%)
25K15.53 mi2.42 mi12723-359242+149242+1412960(Top 45%)9203(Top 56%)9203(Top 617%)
30K18.64 mi3.11 mi12586+1379125+1179125+11712130(Top 42%)8713(Top 53%)8713(Top 584%)
20M20.00 mi1.36 mi12654-689119+69119+613743(Top 47%)9328(Top 57%)9328(Top 626%)
21M21.00 mi1.00 mi12737-839129-109129-1014152(Top 49%)9433(Top 58%)9433(Top 633%)
35K21.75 mi0.75 mi13199-4629329-2009329-20021980(Top 76%)12945(Top 79%)12945(Top 868%)
23M23.00 mi1.25 mi13293-949349-209349-2015087(Top 52%)9717(Top 59%)9717(Top 652%)
24M24.00 mi1.00 mi13268+259322+279322+2713113(Top 45%)8757(Top 54%)8757(Top 587%)
40K24.85 mi0.85 mi13246+229289+339289+3313170(Top 45%)8704(Top 53%)8704(Top 584%)
25.2M25.20 mi0.35 mi13413-1679340-519340-5119857(Top 68%)11764(Top 72%)11764(Top 789%)
FINISH26.22 mi1.02 mi13462-499341-19341-115026(Top 52%)9518(Top 58%)9518(Top 638%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
Γ—21
+97ft-345ft

Overall

15104

Males

10227

M55-59

10227

5K→10K

3.1 - 6.2 mi

Top 43%
Γ—5
+79ft-138ft

Overall

12499

Males

9196

M55-59

9196

10K→15K

6.2 - 9.3 mi

Top 52%
Γ—3
+67ft-78ft

Overall

15104

Males

10227

M55-59

10227

15K→20K

9.3 - 12.4 mi

Top 47%
Γ—5
+106ft-86ft

Overall

13686

Males

9595

M55-59

9595

20K→HALF

12.4 - 13.1 mi

Top 45%
Γ—2
+19ft-37ft

Overall

13038

Males

9387

M55-59

9387

HALF→25K

13.1 - 15.5 mi

Top 45%
Γ—4
+66ft-88ft

Overall

12960

Males

9203

M55-59

9203

25K→30K

15.5 - 18.6 mi

Top 42%
Γ—9
+181ft-148ft

Overall

12130

Males

8713

M55-59

8713

30K→20M

18.6 - 20.0 mi

Top 47%
Γ—5
+64ft-50ft

Overall

13743

Males

9328

M55-59

9328

20M→21M

20.0 - 21.0 mi

Top 49%
Γ—8
+106ft-24ft

Overall

14152

Males

9433

M55-59

9433

21M→35K

21.0 - 21.8 mi

Top 76%
Γ—7
+17ft-86ft

Overall

21980

Males

12945

M55-59

12945

35K→23M

21.8 - 23.0 mi

Top 52%
Γ—5
+23ft-63ft

Overall

15087

Males

9717

M55-59

9717

23M→24M

23.0 - 24.0 mi

Top 45%
Γ—6
+12ft-82ft

Overall

13113

Males

8757

M55-59

8757

24M→40K

24.0 - 24.9 mi

Top 45%
Γ—1
+6ft-20ft

Overall

13170

Males

8704

M55-59

8704

40K→25.2M

24.9 - 25.2 mi

Top 68%
Γ—1
+13ft-16ft

Overall

19857

Males

11764

M55-59

11764

25.2M→FINISH

25.2 - 26.2 mi

Top 52%
Γ—2
+22ft-21ft

Overall

15026

Males

9518

M55-59

9518

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started 35 minutes ago. This usually takes 10-20 minutes. Please check back shortly.

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing