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BOSTON MARATHON 2025

Nantachai Phuvasate

Bib: 13190•M

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
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
7:41/mi
23:52
↑ 97↓ 3451.5%
10K· 6.21 mi
7:46/mi
47:59
↑ 79↓ 1380.4%
15K· 9.32 mi
7:52/mi
1:12:24
↑ 67↓ 78
20K· 12.43 mi
8:17/mi
1:38:09
↑ 106↓ 860.1%
Half· 13.11 mi
8:12/mi
1:43:45
↑ 19↓ 370.5%
25K· 15.53 mi
8:43/mi
2:04:53
↑ 66↓ 880.2%
30K· 18.64 mi
9:18/mi
2:33:46
↑ 181↓ 1480.2%
20M
10:01/mi
2:47:23
↑ 64↓ 500.2%
21M
10:32/mi
2:57:55
↑ 106↓ 241.6%
35K· 21.75 mi
9:48/mi
3:05:15
↑ 17↓ 861.7%
23M
10:43/mi
3:18:40
↑ 23↓ 630.6%
24M
11:11/mi
3:29:51
↓ 821.3%
40K· 24.85 mi
11:21/mi
3:39:33
↓ 200.3%
25.2M
11:42/mi
3:43:35
↑ 13↓ 160.2%
Finish· 26.22 mi
9:50/mi
3:53:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:45
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time2:09:51
Pace9:54 /mi
📊Positive Split: 25.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:3423:527:4123:52
7:41
-
10K
6.21 mi11:17:4147:597:4324:07
7:46
+0:05
15K
9.32 mi11:42:061:12:247:4624:25
7:52
+0:06
20K
12.43 mi12:07:511:38:097:5425:45
8:17
+0:25
Half
13.11 mi12:13:271:43:457:555:36
8:12
-0:05
25K
15.53 mi12:34:352:04:538:0221:08
8:43
+0:31
30K
18.64 mi13:03:282:33:468:1528:53
9:18
+0:35
20M
20.00 mi13:17:052:47:238:2213:37
10:01
+0:43
21M
21.00 mi13:27:372:57:558:2810:32
10:32
+0:31
35K
21.75 mi13:34:573:05:158:317:20
9:48
-0:44
23M
23.00 mi13:48:223:18:408:3813:25
10:43
+0:55
24M
24.00 mi13:59:333:29:518:4511:11
11:11
+0:28
40K
24.85 mi14:09:153:39:338:509:42
11:21
+0:10
25.2M
25.20 mi14:13:173:43:358:524:02
11:42
+0:21
Finish
26.22 mi14:23:183:53:368:5510:01
9:50
-1:52

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

7:41 /mi

Average Pace

8:55 /mi

Slowest Pace

11:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:53

53% of race

Time at Steady Pace

59:51

26% of race

Time at Slower Pace

48:52

21% of race

Average Pace: 8:55 /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 mi10:53:3423:527:4123:52
7:41
#13804
10K
6.21 mi11:17:4147:597:4324:07
7:46
#14081
15K
9.32 mi11:42:061:12:247:4624:25
7:52
#14354
20K
12.43 mi12:07:511:38:097:5425:45
8:17
#15084
Half
13.11 mi12:13:271:43:457:555:36
8:12
#15206
25K
15.53 mi12:34:352:04:538:0221:08
8:43
#15880
30K
18.64 mi13:03:282:33:468:1528:53
9:18
#16522
20M
20.00 mi13:17:052:47:238:2213:37
10:01
#16948
21M
21.00 mi13:27:372:57:558:2810:32
10:32
#17177
35K
21.75 mi13:34:573:05:158:317:20
9:48
#17386
23M
23.00 mi13:48:223:18:408:3813:25
10:43
#17902
24M
24.00 mi13:59:333:29:518:4511:11
11:11
#18403
40K
24.85 mi14:09:153:39:338:509:42
11:21
#18809
25.2M
25.20 mi14:13:173:43:358:524:02
11:42
#18904
Finish
26.22 mi14:23:183:53:368:5510:01
9:50
#19057
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi138049990999014887(Top 52%)10328(Top 64%)10328(Top 517%)
10K6.21 mi3.10 mi14081-27710056-6610056-6614459(Top 51%)10198(Top 63%)10198(Top 511%)
15K9.32 mi3.11 mi14354-27310140-8410140-8414887(Top 52%)10328(Top 64%)10328(Top 517%)
20K12.43 mi3.11 mi15084-73010412-27210412-27216862(Top 59%)11119(Top 69%)11119(Top 557%)
Half13.11 mi0.68 mi15206-12210460-4810460-4817311(Top 61%)11338(Top 70%)11338(Top 568%)
25K15.53 mi2.42 mi15880-67410736-27610736-27618489(Top 65%)11739(Top 73%)11739(Top 588%)
30K18.64 mi3.11 mi16522-64210937-20110937-20119089(Top 67%)11871(Top 74%)11871(Top 595%)
20M20.00 mi1.36 mi16948-42611093-15611093-15620995(Top 74%)12582(Top 78%)12582(Top 630%)
21M21.00 mi1.00 mi17177-22911150-5711150-5720096(Top 71%)12078(Top 75%)12078(Top 605%)
35K21.75 mi0.75 mi17386-20911207-5711207-5721318(Top 75%)12580(Top 78%)12580(Top 630%)
23M23.00 mi1.25 mi17902-51611413-20611413-20622547(Top 79%)13125(Top 81%)13125(Top 658%)
24M24.00 mi1.00 mi18403-50111614-20111614-20124349(Top 86%)13989(Top 87%)13989(Top 701%)
40K24.85 mi0.85 mi18809-40611763-14911763-14923832(Top 84%)13682(Top 85%)13682(Top 685%)
25.2M25.20 mi0.35 mi18904-9511801-3811801-3822512(Top 79%)13027(Top 81%)13027(Top 653%)
Finish26.22 mi1.02 mi19057-15311842-4111842-4122369(Top 79%)12952(Top 80%)12952(Top 649%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

14887

Males

10328

M50-54

10328

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

14459

Males

10198

M50-54

10198

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

14887

Males

10328

M50-54

10328

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

16862

Males

11119

M50-54

11119

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

17311

Males

11338

M50-54

11338

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

18489

Males

11739

M50-54

11739

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

19089

Males

11871

M50-54

11871

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

20995

Males

12582

M50-54

12582

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

20096

Males

12078

M50-54

12078

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

21318

Males

12580

M50-54

12580

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

22547

Males

13125

M50-54

13125

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

24349

Males

13989

M50-54

13989

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23832

Males

13682

M50-54

13682

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22512

Males

13027

M50-54

13027

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

22369

Males

12952

M50-54

12952

Passing Analysis

Category:
Athletes Passed
713
Passed By
5966
Net Change
-5253
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13804
5K → 10K170447-277#13804#14081
10K → 15K121394-273#14081#14354
15K → 20K77807-730#14354#15084
20K → Half11133-122#15084#15206
Half → 25K45719-674#15206#15880
25K → 30K82724-642#15880#16522
30K → 20M26452-426#16522#16948
20M → 21M66295-229#16948#17177
21M → 35K26235-209#17177#17386
35K → 23M30546-516#17386#17902
23M → 24M18519-501#17902#18403
24M → 40K10416-406#18403#18809
40K → 25.2M10105-95#18809#18904
25.2M → Finish21174-153#18904#19057
TOTALS7135966-5253
📊

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