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BOSTON MARATHON 2023

Nantachai Phuvasate

Bib: 12884•M

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 40%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 45%
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
7:53/mi
24:29
↑ 97↓ 3451.5%
10K· 6.21 mi
7:37/mi
48:09
↑ 79↓ 1380.4%
15K· 9.32 mi
7:37/mi
1:11:49
↑ 67↓ 78
20K· 12.43 mi
7:45/mi
1:35:53
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:41:08
↑ 19↓ 370.5%
25K· 15.53 mi
7:46/mi
1:59:57
↑ 66↓ 880.2%
30K· 18.64 mi
7:51/mi
2:24:19
↑ 181↓ 1480.2%
20M
7:55/mi
2:35:04
↑ 64↓ 500.2%
21M
8:25/mi
2:43:29
↑ 106↓ 241.6%
35K· 21.75 mi
7:46/mi
2:49:18
↑ 17↓ 861.7%
23M
8:06/mi
2:59:27
↑ 23↓ 630.6%
24M
7:47/mi
3:07:14
↓ 821.3%
40K· 24.85 mi
8:03/mi
3:14:07
↓ 200.3%
25.2M
8:42/mi
3:17:07
↑ 13↓ 160.2%
Finish· 26.22 mi
8:04/mi
3:25:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:08
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:44:12
Pace7:57 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0424:297:5324:29
7:53
-
10K
6.21 mi11:15:4448:097:4523:40
7:37
-0:16
15K
9.32 mi11:39:241:11:497:4223:40
7:37
0:00
20K
12.43 mi12:03:281:35:537:4324:04
7:45
+0:08
Half
13.11 mi12:08:431:41:087:435:15
7:42
-0:03
25K
15.53 mi12:27:321:59:577:4318:49
7:46
+0:04
30K
18.64 mi12:51:542:24:197:4524:22
7:51
+0:05
20M
20.00 mi13:02:392:35:047:4510:45
7:55
+0:04
21M
21.00 mi13:11:042:43:297:478:25
8:25
+0:30
35K
21.75 mi13:16:532:49:187:475:49
7:46
-0:39
23M
23.00 mi13:27:022:59:277:4810:09
8:06
+0:20
24M
24.00 mi13:34:493:07:147:487:47
7:47
-0:19
40K
24.85 mi13:41:423:14:077:496:53
8:03
+0:16
25.2M
25.20 mi13:44:423:17:077:493:00
8:42
+0:39
Finish
26.22 mi13:52:553:25:207:508:13
8:04
-0:38

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

7:37 /mi

Average Pace

7:50 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:55

94% of race

Time at Steady Pace

11:25

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:50 /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 mi10:52:0424:297:5324:29
7:53
#13065
10K
6.21 mi11:15:4448:097:4523:40
7:37
#12252
15K
9.32 mi11:39:241:11:497:4223:40
7:37
#11825
20K
12.43 mi12:03:281:35:537:4324:04
7:45
#11649
Half
13.11 mi12:08:431:41:087:435:15
7:42
#11650
25K
15.53 mi12:27:321:59:577:4318:49
7:46
#11464
30K
18.64 mi12:51:542:24:197:4524:22
7:51
#11096
20M
20.00 mi13:02:392:35:047:4510:45
7:55
#10958
21M
21.00 mi13:11:042:43:297:478:25
8:25
#10881
35K
21.75 mi13:16:532:49:187:475:49
7:46
#10849
23M
23.00 mi13:27:022:59:277:4810:09
8:06
#10815
24M
24.00 mi13:34:493:07:147:487:47
7:47
#10751
40K
24.85 mi13:41:423:14:077:496:53
8:03
#10709
25.2M
25.20 mi13:44:423:17:077:493:00
8:42
#10703
Finish
26.22 mi13:52:553:25:207:508:13
8:04
#10771
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi130659563956311153(Top 42%)8706(Top 57%)8706(Top 387%)
10K6.21 mi3.10 mi12252+8139230+3339230+33311473(Top 43%)8867(Top 58%)8867(Top 394%)
15K9.32 mi3.11 mi11825+4279010+2209010+22011153(Top 42%)8706(Top 57%)8706(Top 387%)
20K12.43 mi3.11 mi11649+1768924+868924+8611263(Top 42%)8696(Top 57%)8696(Top 386%)
Half13.11 mi0.68 mi11650-18919+58919+511772(Top 44%)8957(Top 59%)8957(Top 398%)
25K15.53 mi2.42 mi11464+1868824+958824+9510782(Top 41%)8389(Top 55%)8389(Top 373%)
30K18.64 mi3.11 mi11096+3688624+2008624+2009682(Top 36%)7662(Top 50%)7662(Top 340%)
20M20.00 mi1.36 mi10958+1388532+928532+929628(Top 36%)7544(Top 50%)7544(Top 335%)
21M21.00 mi1.00 mi10881+778463+698463+699952(Top 37%)7581(Top 50%)7581(Top 337%)
35K21.75 mi0.75 mi10849+328435+288435+2810448(Top 39%)7853(Top 52%)7853(Top 349%)
23M23.00 mi1.25 mi10815+348389+468389+4610499(Top 39%)7721(Top 51%)7721(Top 343%)
24M24.00 mi1.00 mi10751+648334+558334+559644(Top 36%)7223(Top 48%)7223(Top 321%)
40K24.85 mi0.85 mi10709+428288+468288+4610352(Top 39%)7519(Top 50%)7519(Top 334%)
25.2M25.20 mi0.35 mi10703+68271+178271+1710704(Top 40%)7661(Top 50%)7661(Top 340%)
Finish26.22 mi1.02 mi10771-688272-18272-112524(Top 47%)8531(Top 56%)8531(Top 379%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11153

Males

8706

M45-49

8706

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

11473

Males

8867

M45-49

8867

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11153

Males

8706

M45-49

8706

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11263

Males

8696

M45-49

8696

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11772

Males

8957

M45-49

8957

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

10782

Males

8389

M45-49

8389

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9682

Males

7662

M45-49

7662

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9628

Males

7544

M45-49

7544

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9952

Males

7581

M45-49

7581

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

10448

Males

7853

M45-49

7853

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

10499

Males

7721

M45-49

7721

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9644

Males

7223

M45-49

7223

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10352

Males

7519

M45-49

7519

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10704

Males

7661

M45-49

7661

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

12524

Males

8531

M45-49

8531

Passing Analysis

Category:
Athletes Passed
3012*
Passed By
718
Net Change
+2294
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13065
5K → 10K90087+813#13065#12252
10K → 15K47952+427#12252#11825
15K → 20K26488+176#11825#11649
20K → Half2324-1#11649#11650
Half → 25K22842+186#11650#11464
25K → 30K40335+368#11464#11096
30K → 20M165*27+138#11096#10958
20M → 21M11538+77#10958#10881
21M → 35K6331+32#10881#10849
35K → 23M9763+34#10849#10815
23M → 24M10137+64#10815#10751
24M → 40K9048+42#10751#10709
40K → 25.2M3327+6#10709#10703
25.2M → Finish51119-68#10703#10771
TOTALS3012*718+2294

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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