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BOSTON MARATHON 2025

Changgon Hong

Bib: 19330•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 22%
Race Day Weather
50°/40°F
broken 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
7:54/mi
24:33
↑ 97↓ 3451.5%
10K· 6.21 mi
7:50/mi
48:52
↑ 79↓ 1380.4%
15K· 9.32 mi
7:51/mi
1:13:16
↑ 67↓ 78
20K· 12.43 mi
8:03/mi
1:38:18
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:43:42
↑ 19↓ 370.5%
25K· 15.53 mi
8:00/mi
2:03:07
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:28:31
↑ 181↓ 1480.2%
20M
8:16/mi
2:39:45
↑ 64↓ 500.2%
21M
8:48/mi
2:48:33
↑ 106↓ 241.6%
35K· 21.75 mi
8:07/mi
2:54:37
↑ 17↓ 861.7%
23M
8:24/mi
3:05:08
↑ 23↓ 630.6%
24M
8:12/mi
3:13:20
↓ 821.3%
40K· 24.85 mi
8:40/mi
3:20:45
↓ 200.3%
25.2M
10:06/mi
3:24:14
↑ 13↓ 160.2%
Finish· 26.22 mi
10:00/mi
3:34:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:42
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:50:43
Pace8:27 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1424:337:5424:33
7:54
-
10K
6.21 mi11:40:3348:527:5224:19
7:50
-0:04
15K
9.32 mi12:04:571:13:167:5224:24
7:51
+0:01
20K
12.43 mi12:29:591:38:187:5525:02
8:03
+0:12
Half
13.11 mi12:35:231:43:427:555:24
7:55
-0:08
25K
15.53 mi12:54:482:03:077:5619:25
8:00
+0:05
30K
18.64 mi13:20:122:28:317:5825:24
8:11
+0:11
20M
20.00 mi13:31:262:39:457:5911:14
8:16
+0:05
21M
21.00 mi13:40:142:48:338:028:48
8:48
+0:32
35K
21.75 mi13:46:182:54:378:026:04
8:07
-0:41
23M
23.00 mi13:56:493:05:088:0310:31
8:24
+0:17
24M
24.00 mi14:05:013:13:208:038:12
8:12
-0:12
40K
24.85 mi14:12:263:20:458:057:25
8:40
+0:28
25.2M
25.20 mi14:15:553:24:148:063:29
10:06
+1:26
Finish
26.22 mi14:26:063:34:258:1110:11
10:00
-0:06

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

7:50 /mi

Average Pace

8:11 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

24:19

11% of race

Time at Steady Pace

2:40:13

75% of race

Time at Slower Pace

29:53

14% of race

Average Pace: 8:11 /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 mi11:16:1424:337:5424:33
7:54
#15689
10K
6.21 mi11:40:3348:527:5224:19
7:50
#15364
15K
9.32 mi12:04:571:13:167:5224:24
7:51
#15165
20K
12.43 mi12:29:591:38:187:5525:02
8:03
#15184
Half
13.11 mi12:35:231:43:427:555:24
7:55
#15180
25K
15.53 mi12:54:482:03:077:5619:25
8:00
#14947
30K
18.64 mi13:20:122:28:317:5825:24
8:11
#14426
20M
20.00 mi13:31:262:39:457:5911:14
8:16
#14216
21M
21.00 mi13:40:142:48:338:028:48
8:48
#14057
35K
21.75 mi13:46:182:54:378:026:04
8:07
#14008
23M
23.00 mi13:56:493:05:088:0310:31
8:24
#13921
24M
24.00 mi14:05:013:13:208:038:12
8:12
#13844
40K
24.85 mi14:12:263:20:458:057:25
8:40
#13860
25.2M
25.20 mi14:15:553:24:148:063:29
10:06
#13923
Finish
26.22 mi14:26:063:34:258:1110:11
10:00
#14395
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi15689106921069214833(Top 52%)10297(Top 64%)10297(Top 818%)
10K6.21 mi3.10 mi15364+32510562+13010562+13015047(Top 53%)10438(Top 65%)10438(Top 829%)
15K9.32 mi3.11 mi15165+19910461+10110461+10114833(Top 52%)10297(Top 64%)10297(Top 818%)
20K12.43 mi3.11 mi15184-1910451+1010451+1015323(Top 54%)10463(Top 65%)10463(Top 831%)
Half13.11 mi0.68 mi15180+410447+410447+415151(Top 53%)10397(Top 65%)10397(Top 826%)
25K15.53 mi2.42 mi14947+23310315+13210315+13213947(Top 49%)9729(Top 60%)9729(Top 773%)
30K18.64 mi3.11 mi14426+52110034+28110034+28112637(Top 44%)8972(Top 56%)8972(Top 713%)
20M20.00 mi1.36 mi14216+2109921+1139921+11312269(Top 43%)8666(Top 54%)8666(Top 688%)
21M21.00 mi1.00 mi14057+1599821+1009821+10012282(Top 43%)8507(Top 53%)8507(Top 676%)
35K21.75 mi0.75 mi14008+499776+459776+4512974(Top 46%)8798(Top 55%)8798(Top 699%)
23M23.00 mi1.25 mi13921+879704+729704+7212670(Top 45%)8555(Top 53%)8555(Top 680%)
24M24.00 mi1.00 mi13844+779631+739631+7312550(Top 44%)8444(Top 52%)8444(Top 671%)
40K24.85 mi0.85 mi13860-169600+319600+3114450(Top 51%)9199(Top 57%)9199(Top 731%)
25.2M25.20 mi0.35 mi13923-639631-319631-3117402(Top 61%)10542(Top 65%)10542(Top 837%)
Finish26.22 mi1.02 mi14395-4729818-1879818-18722901(Top 81%)13217(Top 82%)13217(Top 1050%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

14833

Males

10297

M60-64

10297

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

15047

Males

10438

M60-64

10438

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

14833

Males

10297

M60-64

10297

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

15323

Males

10463

M60-64

10463

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

15151

Males

10397

M60-64

10397

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13947

Males

9729

M60-64

9729

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

12637

Males

8972

M60-64

8972

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

12269

Males

8666

M60-64

8666

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

12282

Males

8507

M60-64

8507

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

12974

Males

8798

M60-64

8798

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

12670

Males

8555

M60-64

8555

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

12550

Males

8444

M60-64

8444

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14450

Males

9199

M60-64

9199

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17402

Males

10542

M60-64

10542

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

22901

Males

13217

M60-64

13217

Passing Analysis

Category:
Athletes Passed
2804
Passed By
1510
Net Change
+1294
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15689
5K → 10K508183+325#15689#15364
10K → 15K307108+199#15364#15165
15K → 20K202221-19#15165#15184
20K → Half3834+4#15184#15180
Half → 25K29461+233#15180#14947
25K → 30K55433+521#14947#14426
30K → 20M23525+210#14426#14216
20M → 21M20142+159#14216#14057
21M → 35K8940+49#14057#14008
35K → 23M15063+87#14008#13921
23M → 24M12447+77#13921#13844
24M → 40K7389-16#13844#13860
40K → 25.2M1881-63#13860#13923
25.2M → Finish11483-472#13923#14395
TOTALS28041510+1294
📊

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