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BOSTON MARATHON 2024

Hongjoon Chun

Bib: 10103•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 33%
Gender (Male)
#0 / 14578
Top 44%
Masters (Masters Men)
#0 / 9729
Top 34%
Division (M50-54)
#0 / 1935
Top 34%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:17/mi
22:37
↑ 97↓ 3451.5%
10K· 6.21 mi
7:24/mi
45:37
↑ 79↓ 1380.4%
15K· 9.32 mi
7:28/mi
1:08:48
↑ 67↓ 78
20K· 12.43 mi
7:37/mi
1:32:29
↑ 106↓ 860.1%
Half· 13.11 mi
7:33/mi
1:37:38
↑ 19↓ 370.5%
25K· 15.53 mi
7:58/mi
1:56:56
↑ 66↓ 880.2%
30K· 18.64 mi
8:15/mi
2:22:33
↑ 181↓ 1480.2%
20M
8:31/mi
2:34:07
↑ 64↓ 500.2%
21M
9:17/mi
2:43:24
↑ 106↓ 241.6%
35K· 21.75 mi
8:03/mi
2:49:25
↑ 17↓ 861.7%
23M
8:32/mi
3:00:06
↑ 23↓ 630.6%
24M
8:12/mi
3:08:18
↓ 821.3%
40K· 24.85 mi
8:00/mi
3:15:08
↓ 200.3%
25.2M
8:42/mi
3:18:08
↑ 13↓ 160.2%
Finish· 26.22 mi
7:36/mi
3:25:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:38
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:48:15
Pace8:15 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5222:377:1722:37
7:17
-
10K
6.21 mi11:12:5245:377:2023:00
7:24
+0:07
15K
9.32 mi11:36:031:08:487:2323:11
7:28
+0:04
20K
12.43 mi11:59:441:32:297:2723:41
7:37
+0:09
Half
13.11 mi12:04:531:37:387:275:09
7:33
-0:04
25K
15.53 mi12:24:111:56:567:3219:18
7:58
+0:25
30K
18.64 mi12:49:482:22:337:3925:37
8:15
+0:17
20M
20.00 mi13:01:222:34:077:4211:34
8:31
+0:16
21M
21.00 mi13:10:392:43:247:479:17
9:17
+0:46
35K
21.75 mi13:16:402:49:257:476:01
8:03
-1:14
23M
23.00 mi13:27:213:00:067:5010:41
8:32
+0:29
24M
24.00 mi13:35:333:08:187:518:12
8:12
-0:20
40K
24.85 mi13:42:233:15:087:516:50
8:00
-0:12
25.2M
25.20 mi13:45:233:18:087:523:00
8:42
+0:42
Finish
26.22 mi13:53:083:25:537:517:45
7:36
-1:06

Checkpoints & Pacing

📈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

7:17 /mi

Average Pace

7:51 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:23

51% of race

Time at Steady Pace

1:05:58

32% of race

Time at Slower Pace

34:32

17% of race

Average Pace: 7:51 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:49:5222:377:1722:37
7:17
#9012
10K
6.21 mi11:12:5245:377:2023:00
7:24
#9201
15K
9.32 mi11:36:031:08:487:2323:11
7:28
#9195
20K
12.43 mi11:59:441:32:297:2723:41
7:37
#9183
Half
13.11 mi12:04:531:37:387:275:09
7:33
#9189
25K
15.53 mi12:24:111:56:567:3219:18
7:58
#9277
30K
18.64 mi12:49:482:22:337:3925:37
8:15
#9176
20M
20.00 mi13:01:222:34:077:4211:34
8:31
#9133
21M
21.00 mi13:10:392:43:247:479:17
9:17
#9102
35K
21.75 mi13:16:402:49:257:476:01
8:03
#9011
23M
23.00 mi13:27:213:00:067:5010:41
8:32
#8892
24M
24.00 mi13:35:333:08:187:518:12
8:12
#8823
40K
24.85 mi13:42:233:15:087:516:50
8:00
#8631
25.2M
25.20 mi13:45:233:18:087:523:00
8:42
#8536
Finish
26.22 mi13:53:083:25:537:517:45
7:36
#8386
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9012741074109345(Top 37%)7469(Top 51%)7469(Top 386%)
10K6.21 mi3.10 mi9201-1897483-737483-739437(Top 37%)7568(Top 52%)7568(Top 391%)
15K9.32 mi3.11 mi9195+67469+147469+149345(Top 37%)7469(Top 51%)7469(Top 386%)
20K12.43 mi3.11 mi9183+127408+617408+619224(Top 36%)7276(Top 50%)7276(Top 376%)
Half13.11 mi0.68 mi9189-67410-27410-29425(Top 37%)7378(Top 51%)7378(Top 381%)
25K15.53 mi2.42 mi9277-887414-47414-49919(Top 39%)7449(Top 51%)7449(Top 385%)
30K18.64 mi3.11 mi9176+1017264+1507264+1509254(Top 36%)6889(Top 47%)6889(Top 356%)
20M20.00 mi1.36 mi9133+437175+897175+899490(Top 37%)6778(Top 46%)6778(Top 350%)
21M21.00 mi1.00 mi9102+317089+867089+869840(Top 39%)6671(Top 46%)6671(Top 345%)
35K21.75 mi0.75 mi9011+917016+737016+738031(Top 31%)5771(Top 40%)5771(Top 298%)
23M23.00 mi1.25 mi8892+1196883+1336883+1338640(Top 34%)5920(Top 41%)5920(Top 306%)
24M24.00 mi1.00 mi8823+696809+746809+747749(Top 30%)5373(Top 37%)5373(Top 278%)
40K24.85 mi0.85 mi8631+1926653+1566653+1565754(Top 23%)4199(Top 29%)4199(Top 217%)
25.2M25.20 mi0.35 mi8536+956579+746579+745256(Top 21%)3877(Top 27%)3877(Top 200%)
Finish26.22 mi1.02 mi8386+1506454+1256454+1256184(Top 24%)4437(Top 30%)4437(Top 229%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9345

Males

7469

M50-54

7469

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

9437

Males

7568

M50-54

7568

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9345

Males

7469

M50-54

7469

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

9224

Males

7276

M50-54

7276

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

9425

Males

7378

M50-54

7378

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

9919

Males

7449

M50-54

7449

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9254

Males

6889

M50-54

6889

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

9490

Males

6778

M50-54

6778

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

9840

Males

6671

M50-54

6671

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8031

Males

5771

M50-54

5771

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

8640

Males

5920

M50-54

5920

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

7749

Males

5373

M50-54

5373

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

5754

Males

4199

M50-54

4199

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5256

Males

3877

M50-54

3877

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6184

Males

4437

M50-54

4437

Passing Analysis

Category:
Athletes Passed
2286
Passed By
1660
Net Change
+626
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9012
5K → 10K174363-189#9012#9201
10K → 15K184178+6#9201#9195
15K → 20K210198+12#9195#9183
20K → Half3440-6#9183#9189
Half → 25K181269-88#9189#9277
25K → 30K311210+101#9277#9176
30K → 20M151108+43#9176#9133
20M → 21M148117+31#9133#9102
21M → 35K11625+91#9102#9011
35K → 23M19677+119#9011#8892
23M → 24M11748+69#8892#8823
24M → 40K20311+192#8823#8631
40K → 25.2M972+95#8631#8536
25.2M → Finish16414+150#8536#8386
TOTALS22861660+626
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing