David Herzig

Bib: 12231M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 34%
Gender (Male)
#0 / 15176
Top 48%
Masters (Masters Men)
#0 / 9891
Top 37%
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:29
Rank: #10123
Start5K
7:34/mi
23:29 split
10K· 6.21 mi
46:05
Rank: #9302 (+821)
5K10K
7:16/mi
22:36 split
15K· 9.32 mi
1:08:52
Rank: #9100 (+202)
10K15K
7:20/mi
22:47 split
20K· 12.43 mi
1:31:41
Rank: #8833 (+267)
15K20K
7:21/mi
22:49 split
Half· 13.11 mi
1:36:35
Rank: #8765 (+68)
20KHalf
7:11/mi
4:54 split
25K· 15.53 mi
1:54:33
Rank: #8631 (+134)
Half25K
7:25/mi
17:58 split
30K· 18.64 mi
2:18:03
Rank: #8397 (+234)
25K30K
7:34/mi
23:30 split
20M
2:28:27
Rank: #8334 (+63)
30K20M
7:39/mi
10:24 split
21M
2:36:34
Rank: #8307 (+27)
20M21M
8:07/mi
8:07 split
35K· 21.75 mi
2:42:14
Rank: #8323 (-16)
21M35K
7:34/mi
5:40 split
23M
2:52:29
Rank: #8468 (-145)
35K23M
8:11/mi
10:15 split
24M
3:00:55
Rank: #8703 (-235)
23M24M
8:26/mi
8:26 split
40K· 24.85 mi
3:08:03
Rank: #8828 (-125)
24M40K
8:21/mi
7:08 split
25.2M
3:11:17
Rank: #8905 (-77)
40K25.2M
9:23/mi
3:14 split
Finish· 26.22 mi
3:19:17
Rank: #8969 (-64)
25.2MFinish
7:51/mi
8:00 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:35
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:42:42
Pace7:50 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5923:297:3423:29
7:34
-
10K
6.21 mi11:13:3546:057:2522:36
7:16
-0:18
15K
9.32 mi11:36:221:08:527:2322:47
7:20
+0:04
20K
12.43 mi11:59:111:31:417:2322:49
7:21
+0:01
Half
13.11 mi12:04:051:36:357:224:54
7:11
-0:10
25K
15.53 mi12:22:031:54:337:2217:58
7:25
+0:14
30K
18.64 mi12:45:332:18:037:2423:30
7:34
+0:09
20M
20.00 mi12:55:572:28:277:2510:24
7:39
+0:05
21M
21.00 mi13:04:042:36:347:278:07
8:07
+0:28
35K
21.75 mi13:09:442:42:147:285:40
7:34
-0:33
23M
23.00 mi13:19:592:52:297:3010:15
8:11
+0:37
24M
24.00 mi13:28:253:00:557:328:26
8:26
+0:15
40K
24.85 mi13:35:333:08:037:347:08
8:21
-0:05
25.2M
25.20 mi13:38:473:11:177:353:14
9:23
+1:02
Finish
26.22 mi13:46:473:19:177:368:00
7:51
-1:32

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

7:11 /mi

Average Pace

7:36 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

27:30

14% of race

Time at Steady Pace

2:14:37

68% of race

Time at Slower Pace

37:10

19% of race

Average Pace: 7:36 /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 mi10:50:5923:297:3423:29
7:34
#10123
10K
6.21 mi11:13:3546:057:2522:36
7:16
#9302
15K
9.32 mi11:36:221:08:527:2322:47
7:20
#9100
20K
12.43 mi11:59:111:31:417:2322:49
7:21
#8833
Half
13.11 mi12:04:051:36:357:224:54
7:11
#8765
25K
15.53 mi12:22:031:54:337:2217:58
7:25
#8631
30K
18.64 mi12:45:332:18:037:2423:30
7:34
#8397
20M
20.00 mi12:55:572:28:277:2510:24
7:39
#8334
21M
21.00 mi13:04:042:36:347:278:07
8:07
#8307
35K
21.75 mi13:09:442:42:147:285:40
7:34
#8323
23M
23.00 mi13:19:592:52:297:3010:15
8:11
#8468
24M
24.00 mi13:28:253:00:557:328:26
8:26
#8703
40K
24.85 mi13:35:333:08:037:347:08
8:21
#8828
25.2M
25.20 mi13:38:473:11:177:353:14
9:23
#8905
Finish
26.22 mi13:46:473:19:177:368:00
7:51
#8969
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10123818781878821(Top 33%)7435(Top 49%)7435(Top 330%)
10K6.21 mi3.10 mi9302+8217756+4317756+4318666(Top 33%)7366(Top 49%)7366(Top 327%)
15K9.32 mi3.11 mi9100+2027620+1367620+1368821(Top 33%)7435(Top 49%)7435(Top 330%)
20K12.43 mi3.11 mi8833+2677454+1667454+1668108(Top 30%)6960(Top 46%)6960(Top 309%)
Half13.11 mi0.68 mi8765+687410+447410+447738(Top 29%)6745(Top 44%)6745(Top 300%)
25K15.53 mi2.42 mi8631+1347315+957315+958108(Top 30%)6879(Top 45%)6879(Top 305%)
30K18.64 mi3.11 mi8397+2347122+1937122+1937674(Top 29%)6498(Top 43%)6498(Top 289%)
20M20.00 mi1.36 mi8334+637059+637059+637837(Top 29%)6497(Top 43%)6497(Top 288%)
21M21.00 mi1.00 mi8307+277030+297030+298105(Top 30%)6541(Top 43%)6541(Top 290%)
35K21.75 mi0.75 mi8323-167029+17029+19058(Top 34%)7101(Top 47%)7101(Top 315%)
23M23.00 mi1.25 mi8468-1457101-727101-7211066(Top 42%)7997(Top 53%)7997(Top 355%)
24M24.00 mi1.00 mi8703-2357221-1207221-12014037(Top 53%)9318(Top 61%)9318(Top 414%)
40K24.85 mi0.85 mi8828-1257265-447265-4412291(Top 46%)8447(Top 56%)8447(Top 375%)
25.2M25.20 mi0.35 mi8905-777309-447309-4414477(Top 54%)9433(Top 62%)9433(Top 419%)
Finish26.22 mi1.02 mi8969-647328-197328-1911020(Top 41%)7796(Top 51%)7796(Top 346%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

8821

Males

7435

M45-49

7435

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

8666

Males

7366

M45-49

7366

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

8821

Males

7435

M45-49

7435

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

8108

Males

6960

M45-49

6960

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

7738

Males

6745

M45-49

6745

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

8108

Males

6879

M45-49

6879

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

7674

Males

6498

M45-49

6498

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

7837

Males

6497

M45-49

6497

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8105

Males

6541

M45-49

6541

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9058

Males

7101

M45-49

7101

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11066

Males

7997

M45-49

7997

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

14037

Males

9318

M45-49

9318

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12291

Males

8447

M45-49

8447

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14477

Males

9433

M45-49

9433

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

11020

Males

7796

M45-49

7796

Passing Analysis

Category:
Athletes Passed
2338*
Passed By
1184
Net Change
+1154
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10123
5K10K873*52+821#10123#9302
10K15K27068+202#9302#9100
15K20K28922+267#9100#8833
20KHalf702+68#8833#8765
Half25K16834+134#8765#8631
25K30K29763+234#8631#8397
30K20M10239+63#8397#8334
20M21M8356+27#8334#8307
21M35K3955-16#8307#8323
35K23M45190-145#8323#8468
23M24M26261-235#8468#8703
24M40K27152-125#8703#8828
40K25.2M1087-77#8828#8905
25.2MFinish39103-64#8905#8969
TOTALS2338*1184+1154

* 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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Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing