Sierk Heintzmann

Bib: 4478M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 27%
Gender (Male)
#0 / 16105
Top 40%
Masters (Masters Men)
#0 / 10463
Top 27%
Division (M45-49)
#0 / 2386
Top 38%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:06
Rank: #8748
Start5K
22:06 | 7:07/mi
10K· 6.21 mi
43:36
Rank: #7974 (+774)
5K10K
21:30 | 6:55/mi
15K· 9.32 mi
1:04:48
Rank: #7452 (+522)
10K15K
21:12 | 6:49/mi
20K· 12.43 mi
1:26:12
Rank: #7106 (+346)
15K20K
21:24 | 6:53/mi
Half· 13.11 mi
1:30:56
Rank: #7098 (+8)
20KHalf
4:44 | 6:56/mi
25K· 15.53 mi
1:47:54
Rank: #6899 (+199)
Half25K
16:58 | 7:00/mi
30K· 18.64 mi
2:10:34
Rank: #6702 (+197)
25K30K
22:40 | 7:18/mi
20M
2:20:44
Rank: #6623 (+79)
30K20M
10:10 | 7:29/mi
21M
2:29:22
Rank: #6772 (-149)
20M21M
8:38 | 8:38/mi
35K· 21.75 mi
2:34:55
Rank: #6773 (-1)
21M35K
5:33 | 7:25/mi
23M
2:45:04
Rank: #6965 (-192)
35K23M
10:09 | 8:06/mi
24M
2:53:10
Rank: #7107 (-142)
23M24M
8:06 | 8:06/mi
40K· 24.85 mi
3:00:22
Rank: #7273 (-166)
24M40K
7:12 | 8:25/mi
25.2M
3:03:34
Rank: #7341 (-68)
40K25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:12:17
Rank: #7680 (-339)
25.2MFinish
8:43 | 8:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:56
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:41:21
Pace7:44 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3922:067:0722:06
7:07
-
10K
6.21 mi10:46:0943:367:0121:30
6:55
-0:12
15K
9.32 mi11:07:211:04:486:5721:12
6:49
-0:06
20K
12.43 mi11:28:451:26:126:5621:24
6:53
+0:04
Half
13.11 mi11:33:291:30:566:564:44
6:56
+0:03
25K
15.53 mi11:50:271:47:546:5716:58
7:00
+0:04
30K
18.64 mi12:13:072:10:347:0022:40
7:18
+0:18
20M
20.00 mi12:23:172:20:447:0210:10
7:29
+0:11
21M
21.00 mi12:31:552:29:227:078:38
8:38
+1:09
35K
21.75 mi12:37:282:34:557:075:33
7:25
-1:13
23M
23.00 mi12:47:372:45:047:1110:09
8:06
+0:41
24M
24.00 mi12:55:432:53:107:138:06
8:06
0:00
40K
24.85 mi13:02:553:00:227:157:12
8:25
+0:19
25.2M
25.20 mi13:06:073:03:347:173:12
9:17
+0:52
Finish
26.22 mi13:14:503:12:177:208:43
8:33
-0:44

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

6:49 /mi

Average Pace

7:20 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:48

45% of race

Time at Steady Pace

1:00:29

31% of race

Time at Slower Pace

46:00

24% of race

Average Pace: 7:20 /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 mi10:24:3922:067:0722:06
7:07
#8748
10K
6.21 mi10:46:0943:367:0121:30
6:55
#7974
15K
9.32 mi11:07:211:04:486:5721:12
6:49
#7452
20K
12.43 mi11:28:451:26:126:5621:24
6:53
#7106
Half
13.11 mi11:33:291:30:566:564:44
6:56
#7098
25K
15.53 mi11:50:271:47:546:5716:58
7:00
#6899
30K
18.64 mi12:13:072:10:347:0022:40
7:18
#6702
20M
20.00 mi12:23:172:20:447:0210:10
7:29
#6623
21M
21.00 mi12:31:552:29:227:078:38
8:38
#6772
35K
21.75 mi12:37:282:34:557:075:33
7:25
#6773
23M
23.00 mi12:47:372:45:047:1110:09
8:06
#6965
24M
24.00 mi12:55:432:53:107:138:06
8:06
#7107
40K
24.85 mi13:02:553:00:227:157:12
8:25
#7273
25.2M
25.20 mi13:06:073:03:347:173:12
9:17
#7341
Finish
26.22 mi13:14:503:12:177:208:43
8:33
#7680
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8748746474646330(Top 22%)5731(Top 36%)5731(Top 240%)
10K6.21 mi3.10 mi7974+7746968+4966968+4967388(Top 26%)6565(Top 41%)6565(Top 275%)
15K9.32 mi3.11 mi7452+5226614+3546614+3546330(Top 22%)5731(Top 36%)5731(Top 240%)
20K12.43 mi3.11 mi7106+3466350+2646350+2646100(Top 21%)5513(Top 34%)5513(Top 231%)
Half13.11 mi0.68 mi7098+86342+86342+87146(Top 25%)6323(Top 39%)6323(Top 265%)
25K15.53 mi2.42 mi6899+1996176+1666176+1666326(Top 22%)5640(Top 35%)5640(Top 236%)
30K18.64 mi3.11 mi6702+1975983+1935983+1936433(Top 23%)5612(Top 35%)5612(Top 235%)
20M20.00 mi1.36 mi6623+795903+805903+806873(Top 24%)5758(Top 36%)5758(Top 241%)
21M21.00 mi1.00 mi6772-1495991-885991-8811254(Top 40%)7998(Top 50%)7998(Top 335%)
35K21.75 mi0.75 mi6773-15977+145977+148025(Top 28%)6310(Top 39%)6310(Top 264%)
23M23.00 mi1.25 mi6965-1926077-1006077-10010762(Top 38%)7614(Top 47%)7614(Top 319%)
24M24.00 mi1.00 mi7107-1426135-586135-5811855(Top 42%)8081(Top 50%)8081(Top 339%)
40K24.85 mi0.85 mi7273-1666217-826217-8212878(Top 45%)8457(Top 53%)8457(Top 354%)
25.2M25.20 mi0.35 mi7341-686247-306247-3013256(Top 47%)8562(Top 53%)8562(Top 359%)
Finish26.22 mi1.02 mi7680-3396428-1816428-18116524(Top 58%)10153(Top 63%)10153(Top 426%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6330

Males

5731

M45-49

5731

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

7388

Males

6565

M45-49

6565

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6330

Males

5731

M45-49

5731

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

6100

Males

5513

M45-49

5513

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

7146

Males

6323

M45-49

6323

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

6326

Males

5640

M45-49

5640

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6433

Males

5612

M45-49

5612

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6873

Males

5758

M45-49

5758

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

11254

Males

7998

M45-49

7998

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

8025

Males

6310

M45-49

6310

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

10762

Males

7614

M45-49

7614

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

11855

Males

8081

M45-49

8081

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12878

Males

8457

M45-49

8457

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13256

Males

8562

M45-49

8562

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

16524

Males

10153

M45-49

10153

Passing Analysis

Category:
Athletes Passed
2534
Passed By
1466
Net Change
+1068
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8748
5K10K79319+774#8748#7974
10K15K5319+522#7974#7452
15K20K35711+346#7452#7106
20KHalf2113+8#7106#7098
Half25K22223+199#7098#6899
25K30K27578+197#6899#6702
30K20M12849+79#6702#6623
20M21M31180-149#6623#6772
21M35K4445-1#6772#6773
35K23M53245-192#6773#6965
23M24M32174-142#6965#7107
24M40K25191-166#7107#7273
40K25.2M1280-68#7273#7341
25.2MFinish10349-339#7341#7680
TOTALS25341466+1068
📊

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