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BOSTON MARATHON 2025

Prapas Rattanapas

Bib: 29306•X

0:00
0:00
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Overall
#0 / 28404
Gender (Other)
#0 / 71
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:58
Rank: #26273
Start → 5K
10:17/mi
31:58 split
10K· 6.21 mi
1:04:11
Rank: #26137 (+136)
5K → 10K
10:22/mi
32:13 split
15K· 9.32 mi
1:37:07
Rank: #26118 (+19)
10K → 15K
10:36/mi
32:56 split
20K· 12.43 mi
2:10:29
Rank: #25974 (+144)
15K → 20K
10:44/mi
33:22 split
Half· 13.11 mi
2:17:43
Rank: #25966 (+8)
20K → Half
10:36/mi
7:14 split
25K· 15.53 mi
2:43:51
Rank: #25773 (+193)
Half → 25K
10:47/mi
26:08 split
30K· 18.64 mi
3:20:00
Rank: #25639 (+134)
25K → 30K
11:38/mi
36:09 split
20M
3:37:10
Rank: #25678 (-39)
30K → 20M
12:38/mi
17:10 split
21M
3:49:59
Rank: #25625 (+53)
20M → 21M
12:49/mi
12:49 split
35K· 21.75 mi
3:58:33
Rank: #25623 (+2)
21M → 35K
11:27/mi
8:34 split
23M
4:13:09
Rank: #25594 (+29)
35K → 23M
11:40/mi
14:36 split
24M
4:24:33
Rank: #25560 (+34)
23M → 24M
11:24/mi
11:24 split
40K· 24.85 mi
4:34:22
Rank: #25512 (+48)
24M → 40K
11:29/mi
9:49 split
25.2M
4:38:53
Rank: #25515 (-3)
40K → 25.2M
13:06/mi
4:31 split
Finish· 26.22 mi
4:50:08
Rank: #25526 (-11)
25.2M → Finish
11:02/mi
11:15 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:43
Pace10:30 /mi
2nd Half
Distance13.11 mi
Time2:32:25
Pace11:38 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:4631:5810:1731:58
10:17
-
10K
6.21 mi12:22:591:04:1110:2032:13
10:22
+0:05
15K
9.32 mi12:55:551:37:0710:2532:56
10:36
+0:14
20K
12.43 mi13:29:172:10:2910:3033:22
10:44
+0:08
Half
13.11 mi13:36:312:17:4310:307:14
10:36
-0:08
25K
15.53 mi14:02:392:43:5110:3326:08
10:47
+0:11
30K
18.64 mi14:38:483:20:0010:4436:09
11:38
+0:51
20M
20.00 mi14:55:583:37:1010:5117:10
12:38
+1:00
21M
21.00 mi15:08:473:49:5910:5712:49
12:49
+0:11
35K
21.75 mi15:17:213:58:3310:588:34
11:27
-1:22
23M
23.00 mi15:31:574:13:0911:0014:36
11:40
+0:13
24M
24.00 mi15:43:214:24:3311:0111:24
11:24
-0:16
40K
24.85 mi15:53:104:34:2211:029:49
11:29
+0:05
25.2M
25.20 mi15:57:414:38:5311:044:31
13:06
+1:37
Finish
26.22 mi16:08:564:50:0811:0411:15
11:02
-2:04

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

10:17 /mi

Average Pace

11:04 /mi

Slowest Pace

13:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:51

56% of race

Time at Steady Pace

1:31:47

32% of race

Time at Slower Pace

34:30

12% of race

Average Pace: 11:04 /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 mi11:50:4631:5810:1731:58
10:17
#26273
10K
6.21 mi12:22:591:04:1110:2032:13
10:22
#26137
15K
9.32 mi12:55:551:37:0710:2532:56
10:36
#26118
20K
12.43 mi13:29:172:10:2910:3033:22
10:44
#25974
Half
13.11 mi13:36:312:17:4310:307:14
10:36
#25966
25K
15.53 mi14:02:392:43:5110:3326:08
10:47
#25773
30K
18.64 mi14:38:483:20:0010:4436:09
11:38
#25639
20M
20.00 mi14:55:583:37:1010:5117:10
12:38
#25678
21M
21.00 mi15:08:473:49:5910:5712:49
12:49
#25625
35K
21.75 mi15:17:213:58:3310:588:34
11:27
#25623
23M
23.00 mi15:31:574:13:0911:0014:36
11:40
#25594
24M
24.00 mi15:43:214:24:3311:0111:24
11:24
#25560
40K
24.85 mi15:53:104:34:2211:029:49
11:29
#25512
25.2M
25.20 mi15:57:414:38:5311:044:31
13:06
#25515
Finish
26.22 mi16:08:564:50:0811:0411:15
11:02
#25526
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallXAge DivSeg. OverallSeg. XSeg. Age Div
5K3.11 mi3.11 mi26273686826100(Top 92%)66(Top 93%)66
10K6.21 mi3.10 mi26137+13666+266+226045(Top 92%)66(Top 93%)66
15K9.32 mi3.11 mi26118+19666626100(Top 92%)66(Top 93%)66
20K12.43 mi3.11 mi25974+144666625601(Top 90%)67(Top 94%)67
Half13.11 mi0.68 mi25966+8666625942(Top 91%)67(Top 94%)67
25K15.53 mi2.42 mi25773+193666624863(Top 88%)64(Top 90%)64
30K18.64 mi3.11 mi25639+134666625046(Top 88%)64(Top 90%)64
20M20.00 mi1.36 mi25678-39666626057(Top 92%)66(Top 93%)66
21M21.00 mi1.00 mi25625+53666624801(Top 87%)64(Top 90%)64
35K21.75 mi0.75 mi25623+2666625014(Top 88%)63(Top 89%)63
23M23.00 mi1.25 mi25594+29666624521(Top 86%)61(Top 86%)61
24M24.00 mi1.00 mi25560+34666624717(Top 87%)62(Top 87%)62
40K24.85 mi0.85 mi25512+48666624089(Top 85%)59(Top 83%)59
25.2M25.20 mi0.35 mi25515-365+165+125161(Top 89%)64(Top 90%)64
Finish26.22 mi1.02 mi25526-11656525434(Top 90%)67(Top 94%)67

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

26100

X

66

Age Div

66

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

26045

X

66

Age Div

66

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

26100

X

66

Age Div

66

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

25601

X

67

Age Div

67

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

25942

X

67

Age Div

67

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

24863

X

64

Age Div

64

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

25046

X

64

Age Div

64

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

26057

X

66

Age Div

66

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

24801

X

64

Age Div

64

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

25014

X

63

Age Div

63

35K→23M

21.8 - 23.0 mi

Top 86%
×5stories
+23ft-63ft

Overall

24521

X

61

Age Div

61

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

24717

X

62

Age Div

62

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24089

X

59

Age Div

59

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25161

X

64

Age Div

64

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2stories
+22ft-21ft

Overall

25434

X

67

Age Div

67

Passing Analysis

Category:
Athletes Passed
1347
Passed By
600
Net Change
+747
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26273
5K → 10K23397+136#26273#26137
10K → 15K136117+19#26137#26118
15K → 20K18945+144#26118#25974
20K → Half3224+8#25974#25966
Half → 25K21017+193#25966#25773
25K → 30K18955+134#25773#25639
30K → 20M4079-39#25639#25678
20M → 21M7320+53#25678#25625
21M → 35K3533+2#25625#25623
35K → 23M6031+29#25623#25594
23M → 24M4915+34#25594#25560
24M → 40K579+48#25560#25512
40K → 25.2M2023-3#25512#25515
25.2M → Finish2435-11#25515#25526
TOTALS1347600+747
📊

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