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BOSTON MARATHON 2025

Ratchakorn Chenpattanapong

Bib: 28480•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
29:15
Rank: #23950
Start → 5K
29:15 | 9:25/mi
10K· 6.21 mi
58:18
Rank: #23828 (+122)
5K → 10K
29:03 | 9:21/mi
15K· 9.32 mi
1:27:11
Rank: #23613 (+215)
10K → 15K
28:53 | 9:18/mi
20K· 12.43 mi
1:57:23
Rank: #23610 (+3)
15K → 20K
30:12 | 9:43/mi
Half· 13.11 mi
2:03:41
Rank: #23570 (+40)
20K → Half
6:18 | 9:14/mi
25K· 15.53 mi
2:27:21
Rank: #23375 (+195)
Half → 25K
23:40 | 9:46/mi
30K· 18.64 mi
2:59:01
Rank: #23098 (+277)
25K → 30K
31:40 | 10:12/mi
20M
3:13:19
Rank: #23051 (+47)
30K → 20M
14:18 | 10:31/mi
21M
3:24:53
Rank: #23028 (+23)
20M → 21M
11:34 | 11:34/mi
35K· 21.75 mi
3:32:18
Rank: #22979 (+49)
21M → 35K
7:25 | 9:55/mi
23M
3:46:29
Rank: #23045 (-66)
35K → 23M
14:11 | 11:20/mi
24M
3:58:00
Rank: #23154 (-109)
23M → 24M
11:31 | 11:31/mi
40K· 24.85 mi
4:07:08
Rank: #23106 (+48)
24M → 40K
9:08 | 10:41/mi
25.2M
4:11:42
Rank: #23151 (-45)
40K → 25.2M
4:34 | 13:15/mi
Finish· 26.22 mi
4:21:22
Rank: #23106 (+45)
25.2M → Finish
9:40 | 9:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:41
Pace9:26 /mi
2nd Half
Distance13.11 mi
Time2:17:41
Pace10:30 /mi
📊Positive Split: 11.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:3829:159:2529:15
9:25
-
10K
6.21 mi12:17:4158:189:2329:03
9:21
-0:04
15K
9.32 mi12:46:341:27:119:2128:53
9:18
-0:03
20K
12.43 mi13:16:461:57:239:2730:12
9:43
+0:25
Half
13.11 mi13:23:042:03:419:266:18
9:14
-0:29
25K
15.53 mi13:46:442:27:219:2923:40
9:46
+0:32
30K
18.64 mi14:18:242:59:019:3631:40
10:12
+0:26
20M
20.00 mi14:32:423:13:199:4014:18
10:31
+0:19
21M
21.00 mi14:44:163:24:539:4511:34
11:34
+1:03
35K
21.75 mi14:51:413:32:189:467:25
9:55
-1:39
23M
23.00 mi15:05:523:46:299:5114:11
11:20
+1:25
24M
24.00 mi15:17:233:58:009:5511:31
11:31
+0:11
40K
24.85 mi15:26:314:07:089:579:08
10:41
-0:50
25.2M
25.20 mi15:31:054:11:429:594:34
13:15
+2:34
Finish
26.22 mi15:40:454:21:229:599:40
9:29
-3:46

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

9:14 /mi

Average Pace

9:59 /mi

Slowest Pace

13:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:04:14

25% of race

Time at Steady Pace

2:11:52

50% of race

Time at Slower Pace

1:05:16

25% of race

Average Pace: 9:58 /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 mi11:48:3829:159:2529:15
9:25
#23950
10K
6.21 mi12:17:4158:189:2329:03
9:21
#23828
15K
9.32 mi12:46:341:27:119:2128:53
9:18
#23613
20K
12.43 mi13:16:461:57:239:2730:12
9:43
#23610
Half
13.11 mi13:23:042:03:419:266:18
9:14
#23570
25K
15.53 mi13:46:442:27:219:2923:40
9:46
#23375
30K
18.64 mi14:18:242:59:019:3631:40
10:12
#23098
20M
20.00 mi14:32:423:13:199:4014:18
10:31
#23051
21M
21.00 mi14:44:163:24:539:4511:34
11:34
#23028
35K
21.75 mi14:51:413:32:189:467:25
9:55
#22979
23M
23.00 mi15:05:523:46:299:5114:11
11:20
#23045
24M
24.00 mi15:17:233:58:009:5511:31
11:31
#23154
40K
24.85 mi15:26:314:07:089:579:08
10:41
#23106
25.2M
25.20 mi15:31:054:11:429:594:34
13:15
#23151
Finish
26.22 mi15:40:454:21:229:599:40
9:29
#23106
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi23950142131421323202(Top 82%)13931(Top 87%)13931(Top 584%)
10K6.21 mi3.10 mi23828+12214177+3614177+3623681(Top 83%)14109(Top 88%)14109(Top 591%)
15K9.32 mi3.11 mi23613+21514084+9314084+9323202(Top 82%)13931(Top 87%)13931(Top 584%)
20K12.43 mi3.11 mi23610+314079+514079+523542(Top 83%)14033(Top 87%)14033(Top 588%)
Half13.11 mi0.68 mi23570+4014063+1614063+1622717(Top 80%)13664(Top 85%)13664(Top 573%)
25K15.53 mi2.42 mi23375+19513968+9513968+9522671(Top 80%)13592(Top 84%)13592(Top 570%)
30K18.64 mi3.11 mi23098+27713793+17513793+17522170(Top 78%)13252(Top 82%)13252(Top 555%)
20M20.00 mi1.36 mi23051+4713749+4413749+4422496(Top 79%)13286(Top 82%)13286(Top 557%)
21M21.00 mi1.00 mi23028+2313727+2213727+2222743(Top 80%)13321(Top 83%)13321(Top 558%)
35K21.75 mi0.75 mi22979+4913689+3813689+3821652(Top 76%)12747(Top 79%)12747(Top 534%)
23M23.00 mi1.25 mi23045-6613698-913698-923937(Top 84%)13805(Top 86%)13805(Top 579%)
24M24.00 mi1.00 mi23154-10913718-2013718-2024923(Top 88%)14265(Top 89%)14265(Top 598%)
40K24.85 mi0.85 mi23106+4813681+3713681+3722384(Top 79%)12927(Top 80%)12927(Top 542%)
25.2M25.20 mi0.35 mi23151-4513697-1613697-1625346(Top 89%)14412(Top 89%)14412(Top 604%)
Finish26.22 mi1.02 mi23106+4513667+3013667+3021123(Top 74%)12356(Top 77%)12356(Top 518%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

23202

Males

13931

M45-49

13931

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

23681

Males

14109

M45-49

14109

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

23202

Males

13931

M45-49

13931

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

23542

Males

14033

M45-49

14033

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

22717

Males

13664

M45-49

13664

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

22671

Males

13592

M45-49

13592

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

22170

Males

13252

M45-49

13252

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

22496

Males

13286

M45-49

13286

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

22743

Males

13321

M45-49

13321

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

21652

Males

12747

M45-49

12747

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

23937

Males

13805

M45-49

13805

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

24923

Males

14265

M45-49

14265

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

22384

Males

12927

M45-49

12927

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25346

Males

14412

M45-49

14412

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2stories
+22ft-21ft

Overall

21123

Males

12356

M45-49

12356

Passing Analysis

Category:
Athletes Passed
1778
Passed By
934
Net Change
+844
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23950
5K → 10K303181+122#23950#23828
10K → 15K27459+215#23828#23613
15K → 20K147144+3#23613#23610
20K → Half455+40#23610#23570
Half → 25K23237+195#23570#23375
25K → 30K32548+277#23375#23098
30K → 20M9447+47#23098#23051
20M → 21M7855+23#23051#23028
21M → 35K6011+49#23028#22979
35K → 23M51117-66#22979#23045
23M → 24M34143-109#23045#23154
24M → 40K6820+48#23154#23106
40K → 25.2M449-45#23106#23151
25.2M → Finish6318+45#23151#23106
TOTALS1778934+844
📊

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