David Caulfield

Bib: 13343M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 40%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 42%
Division (M55-59)
#0 / 1648
Top 26%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:28
Rank: #12674
Start5K
23:28 | 7:33/mi
10K· 6.21 mi
47:03
Rank: #12759 (-85)
5K10K
23:35 | 7:35/mi
15K· 9.32 mi
1:10:38
Rank: #12669 (+90)
10K15K
23:35 | 7:35/mi
20K· 12.43 mi
1:34:24
Rank: #12456 (+213)
15K20K
23:46 | 7:39/mi
Half· 13.11 mi
1:39:24
Rank: #12340 (+116)
20KHalf
5:00 | 7:20/mi
25K· 15.53 mi
1:58:14
Rank: #12284 (+56)
Half25K
18:50 | 7:46/mi
30K· 18.64 mi
2:22:56
Rank: #11977 (+307)
25K30K
24:42 | 7:57/mi
20M
2:33:55
Rank: #11867 (+110)
30K20M
10:59 | 8:05/mi
21M
2:42:38
Rank: #11849 (+18)
20M21M
8:43 | 8:43/mi
35K· 21.75 mi
2:48:23
Rank: #11758 (+91)
21M35K
5:45 | 7:41/mi
23M
2:58:16
Rank: #11559 (+199)
35K23M
9:53 | 7:54/mi
24M
3:06:01
Rank: #11421 (+138)
23M24M
7:45 | 7:45/mi
40K· 24.85 mi
3:12:50
Rank: #11326 (+95)
24M40K
6:49 | 7:58/mi
25.2M
3:16:04
Rank: #11358 (-32)
40K25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:24:05
Rank: #11360 (-2)
25.2MFinish
8:01 | 7:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:24
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:44:41
Pace7:59 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4723:287:3323:28
7:33
-
10K
6.21 mi11:16:2247:037:3423:35
7:35
+0:02
15K
9.32 mi11:39:571:10:387:3523:35
7:35
0:00
20K
12.43 mi12:03:431:34:247:3623:46
7:39
+0:04
Half
13.11 mi12:08:431:39:247:355:00
7:20
-0:19
25K
15.53 mi12:27:331:58:147:3718:50
7:46
+0:26
30K
18.64 mi12:52:152:22:567:4024:42
7:57
+0:11
20M
20.00 mi13:03:142:33:557:4210:59
8:05
+0:08
21M
21.00 mi13:11:572:42:387:458:43
8:43
+0:38
35K
21.75 mi13:17:422:48:237:455:45
7:41
-1:02
23M
23.00 mi13:27:352:58:167:459:53
7:54
+0:13
24M
24.00 mi13:35:203:06:017:457:45
7:45
-0:09
40K
24.85 mi13:42:093:12:507:466:49
7:58
+0:13
25.2M
25.20 mi13:45:233:16:047:473:14
9:23
+1:25
Finish
26.22 mi13:53:243:24:057:478:01
7:52
-1:31

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

7:20 /mi

Average Pace

7:47 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

5:00

2% of race

Time at Steady Pace

2:56:09

86% of race

Time at Slower Pace

22:56

11% of race

Average Pace: 7:47 /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 mi10:52:4723:287:3323:28
7:33
#12674
10K
6.21 mi11:16:2247:037:3423:35
7:35
#12759
15K
9.32 mi11:39:571:10:387:3523:35
7:35
#12669
20K
12.43 mi12:03:431:34:247:3623:46
7:39
#12456
Half
13.11 mi12:08:431:39:247:355:00
7:20
#12340
25K
15.53 mi12:27:331:58:147:3718:50
7:46
#12284
30K
18.64 mi12:52:152:22:567:4024:42
7:57
#11977
20M
20.00 mi13:03:142:33:557:4210:59
8:05
#11867
21M
21.00 mi13:11:572:42:387:458:43
8:43
#11849
35K
21.75 mi13:17:422:48:237:455:45
7:41
#11758
23M
23.00 mi13:27:352:58:167:459:53
7:54
#11559
24M
24.00 mi13:35:203:06:017:457:45
7:45
#11421
40K
24.85 mi13:42:093:12:507:466:49
7:58
#11326
25.2M
25.20 mi13:45:233:16:047:473:14
9:23
#11358
Finish
26.22 mi13:53:243:24:057:478:01
7:52
#11360
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi126749493949312503(Top 44%)9295(Top 58%)9295(Top 564%)
10K6.21 mi3.10 mi12759-859516-239516-2312913(Top 45%)9551(Top 59%)9551(Top 580%)
15K9.32 mi3.11 mi12669+909443+739443+7312503(Top 44%)9295(Top 58%)9295(Top 564%)
20K12.43 mi3.11 mi12456+2139298+1459298+14511938(Top 42%)8945(Top 56%)8945(Top 543%)
Half13.11 mi0.68 mi12340+1169245+539245+5310240(Top 36%)8156(Top 51%)8156(Top 495%)
25K15.53 mi2.42 mi12284+569185+609185+6012064(Top 42%)8877(Top 55%)8877(Top 539%)
30K18.64 mi3.11 mi11977+3078964+2218964+22111022(Top 39%)8197(Top 51%)8197(Top 497%)
20M20.00 mi1.36 mi11867+1108877+878877+8710969(Top 39%)8017(Top 50%)8017(Top 486%)
21M21.00 mi1.00 mi11849+188825+528825+5211763(Top 41%)8255(Top 51%)8255(Top 501%)
35K21.75 mi0.75 mi11758+918769+568769+569954(Top 35%)7354(Top 46%)7354(Top 446%)
23M23.00 mi1.25 mi11559+1998621+1488621+1489244(Top 33%)6853(Top 43%)6853(Top 416%)
24M24.00 mi1.00 mi11421+1388521+1008521+1009452(Top 33%)6886(Top 43%)6886(Top 418%)
40K24.85 mi0.85 mi11326+958434+878434+879987(Top 35%)7043(Top 44%)7043(Top 427%)
25.2M25.20 mi0.35 mi11358-328428+68428+613805(Top 49%)8839(Top 55%)8839(Top 536%)
Finish26.22 mi1.02 mi11360-28402+268402+2611908(Top 42%)7989(Top 50%)7989(Top 485%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

12503

Males

9295

M55-59

9295

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

12913

Males

9551

M55-59

9551

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

12503

Males

9295

M55-59

9295

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11938

Males

8945

M55-59

8945

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

10240

Males

8156

M55-59

8156

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

12064

Males

8877

M55-59

8877

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

11022

Males

8197

M55-59

8197

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10969

Males

8017

M55-59

8017

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

11763

Males

8255

M55-59

8255

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9954

Males

7354

M55-59

7354

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

9244

Males

6853

M55-59

6853

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

9452

Males

6886

M55-59

6886

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9987

Males

7043

M55-59

7043

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13805

Males

8839

M55-59

8839

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11908

Males

7989

M55-59

7989

Passing Analysis

Category:
Athletes Passed
2469
Passed By
1155
Net Change
+1314
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12674
5K10K245330-85#12674#12759
10K15K231141+90#12759#12669
15K20K29784+213#12669#12456
20KHalf1182+116#12456#12340
Half25K179123+56#12340#12284
25K30K39790+307#12284#11977
30K20M17363+110#11977#11867
20M21M11294+18#11867#11849
21M35K10211+91#11849#11758
35K23M22425+199#11758#11559
23M24M15921+138#11559#11421
24M40K12631+95#11421#11326
40K25.2M3062-32#11326#11358
25.2MFinish7678-2#11358#11360
TOTALS24691155+1314
📊

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