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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Changgeun Cho

Bib: 7410 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 41%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 43%
Age Group (M40-44)
#0 / 2198
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
21:17
3.11 mi
Rank: #7326
Start → 5K
21:17 | 6:52/mi
10K
41:44
6.21 mi
Rank: #6075 (+1251)
5K → 10K
20:27 | 6:35/mi
15K
1:02:18
9.32 mi
Rank: #5688 (+387)
10K → 15K
20:34 | 6:38/mi
20K
1:23:43
12.43 mi
Rank: #5968 (-280)
15K → 20K
21:25 | 6:54/mi
HALF
1:28:26
13.11 mi
Rank: #6090 (-122)
20K → HALF
4:43 | 6:56/mi
25K
1:46:15
15.53 mi
Rank: #6880 (-790)
HALF → 25K
17:49 | 7:21/mi
30K
2:10:48
18.64 mi
Rank: #7828 (-948)
25K → 30K
24:33 | 7:55/mi
20M
2:21:56
20.00 mi
Rank: #8199 (-371)
30K → 20M
11:08 | 8:12/mi
21M
2:30:54
21.00 mi
Rank: #8606 (-407)
20M → 21M
8:58 | 8:58/mi
35K
2:37:42
21.75 mi
Rank: #9115 (-509)
21M → 35K
6:48 | 9:06/mi
23M
2:48:44
23.00 mi
Rank: #9594 (-479)
35K → 23M
11:02 | 8:49/mi
24M
2:58:11
24.00 mi
Rank: #10332 (-738)
23M → 24M
9:27 | 9:27/mi
40K
3:07:08
24.85 mi
Rank: #11105 (-773)
24M → 40K
8:57 | 10:29/mi
25.2M
3:10:56
25.20 mi
Rank: #11387 (-282)
40K → 25.2M
3:48 | 11:02/mi
FINISH
3:19:50
26.22 mi
Rank: #11802 (-415)
25.2M → FINISH
8:54 | 8:45/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
Time1:28:26
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:51:24
Pace8:30 /mi
📊Positive Split: 26.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:06:0921:176:5221:17
6:52
-
10K
6.21 mi11:26:3641:446:4320:27
6:35
-0:17
15K
9.32 mi11:47:101:02:186:4220:34
6:38
+0:03
20K
12.43 mi12:08:351:23:436:4521:25
6:54
+0:16
HALF
13.11 mi12:13:181:28:266:454:43
6:56
+0:02
25K
15.53 mi12:31:071:46:156:5117:49
7:21
+0:25
30K
18.64 mi12:55:402:10:487:0224:33
7:55
+0:34
20M
20.00 mi13:06:482:21:567:0611:08
8:12
+0:17
21M
21.00 mi13:15:462:30:547:128:58
8:58
+0:46
35K
21.75 mi13:22:342:37:427:166:48
9:06
+0:08
23M
23.00 mi13:33:362:48:447:2111:02
8:49
-0:17
24M
24.00 mi13:43:032:58:117:269:27
9:27
+0:38
40K
24.85 mi13:52:003:07:087:328:57
10:29
+1:02
25.2M
25.20 mi13:55:483:10:567:353:48
11:02
+0:33
FINISH
26.22 mi14:04:423:19:507:388:54
8:45
-2:17

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

6:35 /mi

Average Pace

7:38 /mi

Slowest Pace

11:02 /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

1:46:15

53% of race

Time at Steady Pace

55:37

28% of race

Time at Slower Pace

37:58

19% 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 mi11:06:0921:176:5221:17
6:52
#7326
10K
6.21 mi11:26:3641:446:4320:27
6:35
#6075
15K
9.32 mi11:47:101:02:186:4220:34
6:38
#5688
20K
12.43 mi12:08:351:23:436:4521:25
6:54
#5968
HALF
13.11 mi12:13:181:28:266:454:43
6:56
#6090
25K
15.53 mi12:31:071:46:156:5117:49
7:21
#6880
30K
18.64 mi12:55:402:10:487:0224:33
7:55
#7828
20M
20.00 mi13:06:482:21:567:0611:08
8:12
#8199
21M
21.00 mi13:15:462:30:547:128:58
8:58
#8606
35K
21.75 mi13:22:342:37:427:166:48
9:06
#9115
23M
23.00 mi13:33:362:48:447:2111:02
8:49
#9594
24M
24.00 mi13:43:032:58:117:269:27
9:27
#10332
40K
24.85 mi13:52:003:07:087:328:57
10:29
#11105
25.2M
25.20 mi13:55:483:10:567:353:48
11:02
#11387
FINISH
26.22 mi14:04:423:19:507:388:54
8:45
#11802
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi7326645064505088(Top 18%)4734(Top 29%)4734(Top 215%)
10K6.21 mi3.10 mi6075+12515534+9165534+9164892(Top 17%)4575(Top 28%)4575(Top 208%)
15K9.32 mi3.11 mi5688+3875234+3005234+3005088(Top 18%)4734(Top 29%)4734(Top 215%)
20K12.43 mi3.11 mi5968-2805435-2015435-2017040(Top 24%)6188(Top 38%)6188(Top 282%)
HALF13.11 mi0.68 mi6090-1225523-885523-888096(Top 28%)6929(Top 42%)6929(Top 315%)
25K15.53 mi2.42 mi6880-7906094-5716094-57110113(Top 35%)7901(Top 48%)7901(Top 359%)
30K18.64 mi3.11 mi7828-9486723-6296723-62912743(Top 44%)8984(Top 55%)8984(Top 409%)
20M20.00 mi1.36 mi8199-3716929-2066929-20614211(Top 49%)9546(Top 58%)9546(Top 434%)
21M21.00 mi1.00 mi8606-4077131-2027131-20215919(Top 55%)10214(Top 63%)10214(Top 465%)
35K21.75 mi0.75 mi9115-5097399-2687399-26820335(Top 70%)12146(Top 74%)12146(Top 553%)
23M23.00 mi1.25 mi9594-4797628-2297628-22917497(Top 60%)10741(Top 66%)10741(Top 489%)
24M24.00 mi1.00 mi10332-7387965-3377965-33721149(Top 73%)12453(Top 76%)12453(Top 567%)
40K24.85 mi0.85 mi11105-7738335-3708335-37023108(Top 80%)13337(Top 82%)13337(Top 607%)
25.2M25.20 mi0.35 mi11387-2828451-1168451-11622368(Top 77%)12999(Top 80%)12999(Top 591%)
FINISH26.22 mi1.02 mi11802-4158598-1478598-14719292(Top 66%)11511(Top 70%)11511(Top 524%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21
+97ft-345ft

Overall

5088

Males

4734

M40-44

4734

5K→10K

3.1 - 6.2 mi

Top 17%
×5
+79ft-138ft

Overall

4892

Males

4575

M40-44

4575

10K→15K

6.2 - 9.3 mi

Top 18%
×3
+67ft-78ft

Overall

5088

Males

4734

M40-44

4734

15K→20K

9.3 - 12.4 mi

Top 24%
×5
+106ft-86ft

Overall

7040

Males

6188

M40-44

6188

20K→HALF

12.4 - 13.1 mi

Top 28%
×2
+19ft-37ft

Overall

8096

Males

6929

M40-44

6929

HALF→25K

13.1 - 15.5 mi

Top 35%
×4
+66ft-88ft

Overall

10113

Males

7901

M40-44

7901

25K→30K

15.5 - 18.6 mi

Top 44%
×9
+181ft-148ft

Overall

12743

Males

8984

M40-44

8984

30K→20M

18.6 - 20.0 mi

Top 49%
×5
+64ft-50ft

Overall

14211

Males

9546

M40-44

9546

20M→21M

20.0 - 21.0 mi

Top 55%
×8
+106ft-24ft

Overall

15919

Males

10214

M40-44

10214

21M→35K

21.0 - 21.8 mi

Top 70%
×7
+17ft-86ft

Overall

20335

Males

12146

M40-44

12146

35K→23M

21.8 - 23.0 mi

Top 60%
×5
+23ft-63ft

Overall

17497

Males

10741

M40-44

10741

23M→24M

23.0 - 24.0 mi

Top 73%
×6
+12ft-82ft

Overall

21149

Males

12453

M40-44

12453

24M→40K

24.0 - 24.9 mi

Top 80%
×1
+6ft-20ft

Overall

23108

Males

13337

M40-44

13337

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1
+13ft-16ft

Overall

22368

Males

12999

M40-44

12999

25.2M→FINISH

25.2 - 26.2 mi

Top 66%
×2
+22ft-21ft

Overall

19292

Males

11511

M40-44

11511

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1866*
Passed By
2341
Net Change
-4476
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7326
5K → 10K1255*4+1251#7326#6075
10K → 15K401*14+387#6075#5688
15K → 20K61200-280#5688#5968
20K → HALF1123-122#5968#6090
HALF → 25K23200-790#6090#6880
25K → 30K23200-948#6880#7828
30K → 20M15200-371#7828#8199
20M → 21M14200-407#8199#8606
21M → 35K9200-509#8606#9115
35K → 23M32200-479#9115#9594
23M → 24M10200-738#9594#10332
24M → 40K1200-773#10332#11105
40K → 25.2M2200-282#11105#11387
25.2M → FINISH19200-415#11387#11802
TOTALS1866*2341-4476

* 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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