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BOSTON MARATHON 2025

Jeongho Cho

Bib: 12304•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:42
Rank: #22061
Start → 5K
27:42 | 8:55/mi
10K· 6.21 mi
54:32
Rank: #21321 (+740)
5K → 10K
26:50 | 8:38/mi
15K· 9.32 mi
1:22:37
Rank: #21610 (-289)
10K → 15K
28:05 | 9:02/mi
20K· 12.43 mi
1:51:06
Rank: #21655 (-45)
15K → 20K
28:29 | 9:10/mi
Half· 13.11 mi
1:57:17
Rank: #21671 (-16)
20K → Half
6:11 | 9:04/mi
25K· 15.53 mi
2:20:08
Rank: #21644 (+27)
Half → 25K
22:51 | 9:25/mi
30K· 18.64 mi
2:50:23
Rank: #21491 (+153)
25K → 30K
30:15 | 9:44/mi
20M
3:03:58
Rank: #21453 (+38)
30K → 20M
13:35 | 10:00/mi
21M
3:14:35
Rank: #21385 (+68)
20M → 21M
10:37 | 10:37/mi
35K· 21.75 mi
3:22:00
Rank: #21408 (-23)
21M → 35K
7:25 | 9:55/mi
23M
3:35:44
Rank: #21552 (-144)
35K → 23M
13:44 | 10:58/mi
24M
3:46:14
Rank: #21605 (-53)
23M → 24M
10:30 | 10:30/mi
40K· 24.85 mi
3:55:15
Rank: #21612 (-7)
24M → 40K
9:01 | 10:33/mi
25.2M
3:59:26
Rank: #21653 (-41)
40K → 25.2M
4:11 | 12:08/mi
Finish· 26.22 mi
4:09:29
Rank: #21665 (-12)
25.2M → Finish
10:03 | 9:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:17
Pace8:57 /mi
2nd Half
Distance13.11 mi
Time2:12:12
Pace10:05 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:0127:428:5527:42
8:55
-
10K
6.21 mi11:46:5154:328:4726:50
8:38
-0:17
15K
9.32 mi12:14:561:22:378:5228:05
9:02
+0:24
20K
12.43 mi12:43:251:51:068:5628:29
9:10
+0:08
Half
13.11 mi12:49:361:57:178:576:11
9:04
-0:06
25K
15.53 mi13:12:272:20:089:0122:51
9:25
+0:21
30K
18.64 mi13:42:422:50:239:0830:15
9:44
+0:19
20M
20.00 mi13:56:173:03:589:1213:35
10:00
+0:16
21M
21.00 mi14:06:543:14:359:1610:37
10:37
+0:37
35K
21.75 mi14:14:193:22:009:177:25
9:55
-0:42
23M
23.00 mi14:28:033:35:449:2313:44
10:58
+1:03
24M
24.00 mi14:38:333:46:149:2610:30
10:30
-0:28
40K
24.85 mi14:47:343:55:159:289:01
10:33
+0:03
25.2M
25.20 mi14:51:453:59:269:304:11
12:08
+1:35
Finish
26.22 mi15:01:484:09:299:3110:03
9:52
-2:16

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

8:38 /mi

Average Pace

9:31 /mi

Slowest Pace

12:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:17

47% of race

Time at Steady Pace

1:24:09

34% of race

Time at Slower Pace

48:03

19% of race

Average Pace: 9:31 /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 mi11:20:0127:428:5527:42
8:55
#22061
10K
6.21 mi11:46:5154:328:4726:50
8:38
#21321
15K
9.32 mi12:14:561:22:378:5228:05
9:02
#21610
20K
12.43 mi12:43:251:51:068:5628:29
9:10
#21655
Half
13.11 mi12:49:361:57:178:576:11
9:04
#21671
25K
15.53 mi13:12:272:20:089:0122:51
9:25
#21644
30K
18.64 mi13:42:422:50:239:0830:15
9:44
#21491
20M
20.00 mi13:56:173:03:589:1213:35
10:00
#21453
21M
21.00 mi14:06:543:14:359:1610:37
10:37
#21385
35K
21.75 mi14:14:193:22:009:177:25
9:55
#21408
23M
23.00 mi14:28:033:35:449:2313:44
10:58
#21552
24M
24.00 mi14:38:333:46:149:2610:30
10:30
#21605
40K
24.85 mi14:47:343:55:159:289:01
10:33
#21612
25.2M
25.20 mi14:51:453:59:269:304:11
12:08
#21653
Finish
26.22 mi15:01:484:09:299:3110:03
9:52
#21665
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi22061133381333822206(Top 78%)13476(Top 84%)13476(Top 565%)
10K6.21 mi3.10 mi21321+74013033+30513033+30520538(Top 72%)12717(Top 79%)12717(Top 533%)
15K9.32 mi3.11 mi21610-28913181-14813181-14822206(Top 78%)13476(Top 84%)13476(Top 565%)
20K12.43 mi3.11 mi21655-4513185-413185-421767(Top 77%)13242(Top 82%)13242(Top 555%)
Half13.11 mi0.68 mi21671-1613191-613191-622051(Top 78%)13355(Top 83%)13355(Top 560%)
25K15.53 mi2.42 mi21644+2713178+1313178+1321626(Top 76%)13130(Top 82%)13130(Top 550%)
30K18.64 mi3.11 mi21491+15313079+9913079+9920797(Top 73%)12628(Top 78%)12628(Top 529%)
20M20.00 mi1.36 mi21453+3813042+3713042+3720922(Top 74%)12552(Top 78%)12552(Top 526%)
21M21.00 mi1.00 mi21385+6813000+4213000+4220348(Top 72%)12195(Top 76%)12195(Top 511%)
35K21.75 mi0.75 mi21408-2312996+412996+421644(Top 76%)12739(Top 79%)12739(Top 534%)
23M23.00 mi1.25 mi21552-14413034-3813034-3823141(Top 81%)13396(Top 83%)13396(Top 561%)
24M24.00 mi1.00 mi21605-5313037-313037-322810(Top 80%)13208(Top 82%)13208(Top 554%)
40K24.85 mi0.85 mi21612-713017+2013017+2022033(Top 78%)12762(Top 79%)12762(Top 535%)
25.2M25.20 mi0.35 mi21653-4113019-213019-223480(Top 83%)13511(Top 84%)13511(Top 566%)
Finish26.22 mi1.02 mi21665-1213010+913010+922489(Top 79%)13021(Top 81%)13021(Top 546%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

22206

Males

13476

M45-49

13476

5K→10K

3.1 - 6.2 mi

Top 72%
×5stories
+79ft-138ft

Overall

20538

Males

12717

M45-49

12717

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

22206

Males

13476

M45-49

13476

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

21767

Males

13242

M45-49

13242

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

22051

Males

13355

M45-49

13355

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

21626

Males

13130

M45-49

13130

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

20797

Males

12628

M45-49

12628

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

20922

Males

12552

M45-49

12552

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

20348

Males

12195

M45-49

12195

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

21644

Males

12739

M45-49

12739

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

23141

Males

13396

M45-49

13396

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

22810

Males

13208

M45-49

13208

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22033

Males

12762

M45-49

12762

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23480

Males

13511

M45-49

13511

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

22489

Males

13021

M45-49

13021

Passing Analysis

Category:
Athletes Passed
2017
Passed By
1621
Net Change
+396
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22061
5K → 10K78949+740#22061#21321
10K → 15K123412-289#21321#21610
15K → 20K185230-45#21610#21655
20K → Half2440-16#21655#21671
Half → 25K158131+27#21671#21644
25K → 30K274121+153#21644#21491
30K → 20M11678+38#21491#21453
20M → 21M11244+68#21453#21385
21M → 35K4063-23#21385#21408
35K → 23M57201-144#21408#21552
23M → 24M3083-53#21552#21605
24M → 40K5360-7#21605#21612
40K → 25.2M1253-41#21612#21653
25.2M → Finish4456-12#21653#21665
TOTALS20171621+396
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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