Takumi Nasu

Bib: 9848M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 37%
Gender (Male)
#0 / 16105
Top 49%
Masters (Masters Men)
#0 / 10463
Top 39%
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
20:52
Rank: #5606
Start5K
20:52 | 6:43/mi
10K· 6.21 mi
41:51
Rank: #5718 (-112)
5K10K
20:59 | 6:45/mi
15K· 9.32 mi
1:03:20
Rank: #6153 (-435)
10K15K
21:29 | 6:55/mi
20K· 12.43 mi
1:25:10
Rank: #6435 (-282)
15K20K
21:50 | 7:02/mi
Half· 13.11 mi
1:29:58
Rank: #6525 (-90)
20KHalf
4:48 | 7:02/mi
25K· 15.53 mi
1:47:34
Rank: #6761 (-236)
Half25K
17:36 | 7:16/mi
30K· 18.64 mi
2:12:02
Rank: #7233 (-472)
25K30K
24:28 | 7:53/mi
20M
2:23:50
Rank: #7688 (-455)
30K20M
11:48 | 8:41/mi
21M
2:33:07
Rank: #8057 (-369)
20M21M
9:17 | 9:17/mi
35K· 21.75 mi
2:39:25
Rank: #8306 (-249)
21M35K
6:18 | 8:25/mi
23M
2:50:22
Rank: #8711 (-405)
35K23M
10:57 | 8:45/mi
24M
2:59:14
Rank: #9106 (-395)
23M24M
8:52 | 8:52/mi
40K· 24.85 mi
3:07:13
Rank: #9517 (-411)
24M40K
7:59 | 9:20/mi
25.2M
3:11:03
Rank: #9782 (-265)
40K25.2M
3:50 | 11:07/mi
Finish· 26.22 mi
3:20:47
Rank: #10373 (-591)
25.2MFinish
9:44 | 9:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:58
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:50:49
Pace8:27 /mi
📊Positive Split: 23.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:3620:526:4320:52
6:43
-
10K
6.21 mi11:07:3541:516:4420:59
6:45
+0:02
15K
9.32 mi11:29:041:03:206:4821:29
6:55
+0:10
20K
12.43 mi11:50:541:25:106:5121:50
7:02
+0:07
Half
13.11 mi11:55:421:29:586:524:48
7:02
0:00
25K
15.53 mi12:13:181:47:346:5517:36
7:16
+0:14
30K
18.64 mi12:37:462:12:027:0524:28
7:53
+0:37
20M
20.00 mi12:49:342:23:507:1111:48
8:41
+0:48
21M
21.00 mi12:58:512:33:077:179:17
9:17
+0:36
35K
21.75 mi13:05:092:39:257:206:18
8:25
-0:52
23M
23.00 mi13:16:062:50:227:2410:57
8:45
+0:20
24M
24.00 mi13:24:582:59:147:288:52
8:52
+0:07
40K
24.85 mi13:32:573:07:137:327:59
9:20
+0:28
25.2M
25.20 mi13:36:473:11:037:353:50
11:07
+1:47
Finish
26.22 mi13:46:313:20:477:409:44
9:33
-1:34

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

6:43 /mi

Average Pace

7:40 /mi

Slowest Pace

11:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:34

54% of race

Time at Steady Pace

1:02:23

31% of race

Time at Slower Pace

30:50

15% of race

Average Pace: 7:39 /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 mi10:46:3620:526:4320:52
6:43
#5606
10K
6.21 mi11:07:3541:516:4420:59
6:45
#5718
15K
9.32 mi11:29:041:03:206:4821:29
6:55
#6153
20K
12.43 mi11:50:541:25:106:5121:50
7:02
#6435
Half
13.11 mi11:55:421:29:586:524:48
7:02
#6525
25K
15.53 mi12:13:181:47:346:5517:36
7:16
#6761
30K
18.64 mi12:37:462:12:027:0524:28
7:53
#7233
20M
20.00 mi12:49:342:23:507:1111:48
8:41
#7688
21M
21.00 mi12:58:512:33:077:179:17
9:17
#8057
35K
21.75 mi13:05:092:39:257:206:18
8:25
#8306
23M
23.00 mi13:16:062:50:227:2410:57
8:45
#8711
24M
24.00 mi13:24:582:59:147:288:52
8:52
#9106
40K
24.85 mi13:32:573:07:137:327:59
9:20
#9517
25.2M
25.20 mi13:36:473:11:037:353:50
11:07
#9782
Finish
26.22 mi13:46:313:20:477:409:44
9:33
#10373
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5606519151917063(Top 25%)6298(Top 39%)6298(Top 264%)
10K6.21 mi3.10 mi5718-1125279-885279-885902(Top 21%)5403(Top 34%)5403(Top 226%)
15K9.32 mi3.11 mi6153-4355630-3515630-3517063(Top 25%)6298(Top 39%)6298(Top 264%)
20K12.43 mi3.11 mi6435-2825827-1975827-1977049(Top 25%)6241(Top 39%)6241(Top 262%)
Half13.11 mi0.68 mi6525-905894-675894-677842(Top 28%)6804(Top 42%)6804(Top 285%)
25K15.53 mi2.42 mi6761-2366072-1786072-1788062(Top 28%)6805(Top 42%)6805(Top 285%)
30K18.64 mi3.11 mi7233-4726372-3006372-30010449(Top 37%)7907(Top 49%)7907(Top 331%)
20M20.00 mi1.36 mi7688-4556650-2786650-27814913(Top 53%)9872(Top 61%)9872(Top 414%)
21M21.00 mi1.00 mi8057-3696838-1886838-18815026(Top 53%)9786(Top 61%)9786(Top 410%)
35K21.75 mi0.75 mi8306-2496976-1386976-13814931(Top 53%)9680(Top 60%)9680(Top 406%)
23M23.00 mi1.25 mi8711-4057174-1987174-19814773(Top 52%)9517(Top 59%)9517(Top 399%)
24M24.00 mi1.00 mi9106-3957366-1927366-19216638(Top 59%)10303(Top 64%)10303(Top 432%)
40K24.85 mi0.85 mi9517-4117554-1887554-18817979(Top 63%)10806(Top 67%)10806(Top 453%)
25.2M25.20 mi0.35 mi9782-2657664-1107664-11020930(Top 74%)12238(Top 76%)12238(Top 513%)
Finish26.22 mi1.02 mi10373-5917942-2787942-27821339(Top 75%)12445(Top 77%)12445(Top 522%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7063

Males

6298

M45-49

6298

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5902

Males

5403

M45-49

5403

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7063

Males

6298

M45-49

6298

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

7049

Males

6241

M45-49

6241

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

7842

Males

6804

M45-49

6804

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

8062

Males

6805

M45-49

6805

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

10449

Males

7907

M45-49

7907

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

14913

Males

9872

M45-49

9872

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

15026

Males

9786

M45-49

9786

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

14931

Males

9680

M45-49

9680

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

14773

Males

9517

M45-49

9517

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

16638

Males

10303

M45-49

10303

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17979

Males

10806

M45-49

10806

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

20930

Males

12238

M45-49

12238

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

21339

Males

12445

M45-49

12445

Passing Analysis

Category:
Athletes Passed
552
Passed By
5317
Net Change
-4767
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5606
5K10K130242-112#5606#5718
10K15K49484-435#5718#6153
15K20K74356-282#6153#6435
20KHalf595-90#6435#6525
Half25K66302-236#6525#6761
25K30K73545-472#6761#7233
30K20M22477-455#7233#7688
20M21M28397-369#7688#8057
21M35K17266-249#8057#8306
35K23M46451-405#8306#8711
23M24M13408-395#8711#9106
24M40K17428-411#9106#9517
40K25.2M4269-265#9517#9782
25.2MFinish8597-591#9782#10373
TOTALS5525317-4767
📊

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