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BOSTON MARATHON 2025

Kevin Cho

Bib: 19029•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 39%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 41%
Division (M60-64)
#0 / 1259
Top 10%
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
7:37/mi
23:39
↑ 97↓ 3451.5%
10K· 6.21 mi
7:33/mi
47:05
↑ 79↓ 1380.4%
15K· 9.32 mi
7:37/mi
1:10:44
↑ 67↓ 78
20K· 12.43 mi
7:39/mi
1:34:29
↑ 106↓ 860.1%
Half· 13.11 mi
7:31/mi
1:39:37
↑ 19↓ 370.5%
25K· 15.53 mi
7:42/mi
1:58:16
↑ 66↓ 880.2%
30K· 18.64 mi
7:51/mi
2:22:40
↑ 181↓ 1480.2%
20M
7:58/mi
2:33:30
↑ 64↓ 500.2%
21M
8:18/mi
2:41:48
↑ 106↓ 241.6%
35K· 21.75 mi
7:37/mi
2:47:30
↑ 17↓ 861.7%
23M
7:56/mi
2:57:26
↑ 23↓ 630.6%
24M
7:46/mi
3:05:12
↓ 821.3%
40K· 24.85 mi
8:01/mi
3:12:03
↓ 200.3%
25.2M
8:56/mi
3:15:08
↑ 13↓ 160.2%
Finish· 26.22 mi
7:53/mi
3:23:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:37
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:43:33
Pace7:54 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:3323:397:3723:39
7:37
-
10K
6.21 mi11:37:5947:057:3523:26
7:33
-0:04
15K
9.32 mi12:01:381:10:447:3523:39
7:37
+0:04
20K
12.43 mi12:25:231:34:297:3623:45
7:39
+0:02
Half
13.11 mi12:30:311:39:377:365:08
7:31
-0:08
25K
15.53 mi12:49:101:58:167:3718:39
7:42
+0:11
30K
18.64 mi13:13:342:22:407:3924:24
7:51
+0:09
20M
20.00 mi13:24:242:33:307:4010:50
7:58
+0:07
21M
21.00 mi13:32:422:41:487:428:18
8:18
+0:20
35K
21.75 mi13:38:242:47:307:425:42
7:37
-0:41
23M
23.00 mi13:48:202:57:267:439:56
7:56
+0:19
24M
24.00 mi13:56:063:05:127:437:46
7:46
-0:10
40K
24.85 mi14:02:573:12:037:446:51
8:01
+0:15
25.2M
25.20 mi14:06:023:15:087:453:05
8:56
+0:55
Finish
26.22 mi14:14:043:23:107:458:02
7:53
-1:03

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

7:31 /mi

Average Pace

7:45 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:47

94% of race

Time at Steady Pace

8:18

4% of race

Time at Slower Pace

3:05

2% of race

Average Pace: 7:45 /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 mi11:14:3323:397:3723:39
7:37
#13211
10K
6.21 mi11:37:5947:057:3523:26
7:33
#12805
15K
9.32 mi12:01:381:10:447:3523:39
7:37
#12761
20K
12.43 mi12:25:231:34:297:3623:45
7:39
#12507
Half
13.11 mi12:30:311:39:377:365:08
7:31
#12482
25K
15.53 mi12:49:101:58:167:3718:39
7:42
#12300
30K
18.64 mi13:13:342:22:407:3924:24
7:51
#11837
20M
20.00 mi13:24:242:33:307:4010:50
7:58
#11677
21M
21.00 mi13:32:422:41:487:428:18
8:18
#11499
35K
21.75 mi13:38:242:47:307:425:42
7:37
#11413
23M
23.00 mi13:48:202:57:267:439:56
7:56
#11263
24M
24.00 mi13:56:063:05:127:437:46
7:46
#11138
40K
24.85 mi14:02:573:12:037:446:51
8:01
#11069
25.2M
25.20 mi14:06:023:15:087:453:05
8:56
#11061
Finish
26.22 mi14:14:043:23:107:458:02
7:53
#11075
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi132119730973012682(Top 45%)9373(Top 58%)9373(Top 744%)
10K6.21 mi3.10 mi12805+4069533+1979533+19712477(Top 44%)9362(Top 58%)9362(Top 744%)
15K9.32 mi3.11 mi12761+449477+569477+5612682(Top 45%)9373(Top 58%)9373(Top 744%)
20K12.43 mi3.11 mi12507+2549321+1569321+15611897(Top 42%)8918(Top 55%)8918(Top 708%)
Half13.11 mi0.68 mi12482+259306+159306+1511846(Top 42%)8954(Top 56%)8954(Top 711%)
25K15.53 mi2.42 mi12300+1829190+1169190+11611461(Top 40%)8604(Top 53%)8604(Top 683%)
30K18.64 mi3.11 mi11837+4638890+3008890+30010308(Top 36%)7844(Top 49%)7844(Top 623%)
20M20.00 mi1.36 mi11677+1608783+1078783+10710242(Top 36%)7660(Top 48%)7660(Top 608%)
21M21.00 mi1.00 mi11499+1788655+1288655+1289214(Top 32%)6944(Top 43%)6944(Top 552%)
35K21.75 mi0.75 mi11413+868590+658590+659455(Top 33%)7098(Top 44%)7098(Top 564%)
23M23.00 mi1.25 mi11263+1508479+1118479+1119527(Top 34%)6998(Top 43%)6998(Top 556%)
24M24.00 mi1.00 mi11138+1258378+1018378+1019560(Top 34%)6952(Top 43%)6952(Top 552%)
40K24.85 mi0.85 mi11069+698313+658313+6510272(Top 36%)7185(Top 45%)7185(Top 571%)
25.2M25.20 mi0.35 mi11061+88296+178296+1711408(Top 40%)7668(Top 48%)7668(Top 609%)
Finish26.22 mi1.02 mi11075-148262+348262+3412027(Top 42%)8049(Top 50%)8049(Top 639%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

12682

Males

9373

M60-64

9373

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

12477

Males

9362

M60-64

9362

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

12682

Males

9373

M60-64

9373

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11897

Males

8918

M60-64

8918

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11846

Males

8954

M60-64

8954

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

11461

Males

8604

M60-64

8604

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

10308

Males

7844

M60-64

7844

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

10242

Males

7660

M60-64

7660

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

9214

Males

6944

M60-64

6944

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

9455

Males

7098

M60-64

7098

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9527

Males

6998

M60-64

6998

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

9560

Males

6952

M60-64

6952

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

10272

Males

7185

M60-64

7185

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11408

Males

7668

M60-64

7668

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

12027

Males

8049

M60-64

8049

Passing Analysis

Category:
Athletes Passed
2927
Passed By
791
Net Change
+2136
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13211
5K → 10K534128+406#13211#12805
10K → 15K211167+44#12805#12761
15K → 20K32773+254#12761#12507
20K → Half4419+25#12507#12482
Half → 25K24765+182#12482#12300
25K → 30K50037+463#12300#11837
30K → 20M19636+160#11837#11677
20M → 21M20426+178#11677#11499
21M → 35K10822+86#11499#11413
35K → 23M18737+150#11413#11263
23M → 24M14823+125#11263#11138
24M → 40K11243+69#11138#11069
40K → 25.2M3729+8#11069#11061
25.2M → Finish7286-14#11061#11075
TOTALS2927791+2136
📊

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