David Caulfield

Bib: 11979M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 42%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 44%
Division (M55-59)
#0 / 1529
Top 32%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:21
Rank: #8377
Start5K
22:21 | 7:12/mi
10K· 6.21 mi
45:32
Rank: #9111 (-734)
5K10K
23:11 | 7:28/mi
15K· 9.32 mi
1:09:15
Rank: #9572 (-461)
10K15K
23:43 | 7:38/mi
20K· 12.43 mi
1:34:24
Rank: #10362 (-790)
15K20K
25:09 | 8:06/mi
Half· 13.11 mi
1:39:33
Rank: #10308 (+54)
20KHalf
5:09 | 7:33/mi
25K· 15.53 mi
1:59:40
Rank: #10556 (-248)
Half25K
20:07 | 8:18/mi
30K· 18.64 mi
2:26:58
Rank: #10835 (-279)
25K30K
27:18 | 8:47/mi
20M
2:39:00
Rank: #10827 (+8)
30K20M
12:02 | 8:51/mi
21M
2:49:36
Rank: #11152 (-325)
20M21M
10:36 | 10:36/mi
35K· 21.75 mi
2:55:48
Rank: #11044 (+108)
21M35K
6:12 | 8:17/mi
23M
3:06:47
Rank: #10941 (+103)
35K23M
10:59 | 8:46/mi
24M
3:15:01
Rank: #10749 (+192)
23M24M
8:14 | 8:14/mi
40K· 24.85 mi
3:22:52
Rank: #10767 (-18)
24M40K
7:51 | 9:11/mi
25.2M
3:25:55
Rank: #10659 (+108)
40K25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:34:56
Rank: #10751 (-92)
25.2MFinish
9:01 | 8:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:33
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:55:23
Pace8:48 /mi
📊Positive Split: 15.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3222:217:1222:21
7:12
-
10K
6.21 mi11:12:4345:327:2023:11
7:28
+0:16
15K
9.32 mi11:36:261:09:157:2623:43
7:38
+0:10
20K
12.43 mi12:01:351:34:247:3625:09
8:06
+0:28
Half
13.11 mi12:06:441:39:337:365:09
7:33
-0:33
25K
15.53 mi12:26:511:59:407:4220:07
8:18
+0:45
30K
18.64 mi12:54:092:26:587:5327:18
8:47
+0:29
20M
20.00 mi13:06:112:39:007:5712:02
8:51
+0:04
21M
21.00 mi13:16:472:49:368:0510:36
10:36
+1:45
35K
21.75 mi13:22:592:55:488:056:12
8:17
-2:19
23M
23.00 mi13:33:583:06:478:0710:59
8:46
+0:29
24M
24.00 mi13:42:123:15:018:088:14
8:14
-0:32
40K
24.85 mi13:50:033:22:528:107:51
9:11
+0:57
25.2M
25.20 mi13:53:063:25:558:103:03
8:51
-0:20
Finish
26.22 mi14:02:073:34:568:129:01
8:51
0:00

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

7:12 /mi

Average Pace

8:12 /mi

Slowest Pace

10:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:24

35% of race

Time at Steady Pace

59:42

28% of race

Time at Slower Pace

1:20:50

38% of race

Average Pace: 8:12 /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 mi10:49:3222:217:1222:21
7:12
#8377
10K
6.21 mi11:12:4345:327:2023:11
7:28
#9111
15K
9.32 mi11:36:261:09:157:2623:43
7:38
#9572
20K
12.43 mi12:01:351:34:247:3625:09
8:06
#10362
Half
13.11 mi12:06:441:39:337:365:09
7:33
#10308
25K
15.53 mi12:26:511:59:407:4220:07
8:18
#10556
30K
18.64 mi12:54:092:26:587:5327:18
8:47
#10835
20M
20.00 mi13:06:112:39:007:5712:02
8:51
#10827
21M
21.00 mi13:16:472:49:368:0510:36
10:36
#11152
35K
21.75 mi13:22:592:55:488:056:12
8:17
#11044
23M
23.00 mi13:33:583:06:478:0710:59
8:46
#10941
24M
24.00 mi13:42:123:15:018:088:14
8:14
#10749
40K
24.85 mi13:50:033:22:528:107:51
9:11
#10767
25.2M
25.20 mi13:53:063:25:558:103:03
8:51
#10659
Finish
26.22 mi14:02:073:34:568:129:01
8:51
#10751
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi83777038703810677(Top 42%)8130(Top 56%)8130(Top 532%)
10K6.21 mi3.10 mi9111-7347431-3937431-3939942(Top 39%)7851(Top 54%)7851(Top 513%)
15K9.32 mi3.11 mi9572-4617658-2277658-22710677(Top 42%)8130(Top 56%)8130(Top 532%)
20K12.43 mi3.11 mi10362-7907993-3357993-33512476(Top 49%)8877(Top 61%)8877(Top 581%)
Half13.11 mi0.68 mi10308+547959+347959+349454(Top 37%)7407(Top 51%)7407(Top 484%)
25K15.53 mi2.42 mi10556-2488037-788037-7811942(Top 47%)8425(Top 58%)8425(Top 551%)
30K18.64 mi3.11 mi10835-2798071-348071-3412118(Top 47%)8302(Top 57%)8302(Top 543%)
20M20.00 mi1.36 mi10827+88010+618010+6111343(Top 44%)7649(Top 52%)7649(Top 500%)
21M21.00 mi1.00 mi11152-3258119-1098119-10915132(Top 59%)9205(Top 63%)9205(Top 602%)
35K21.75 mi0.75 mi11044+1088022+978022+979467(Top 37%)6498(Top 45%)6498(Top 425%)
23M23.00 mi1.25 mi10941+1037914+1087914+1089934(Top 39%)6549(Top 45%)6549(Top 428%)
24M24.00 mi1.00 mi10749+1927770+1447770+1447938(Top 31%)5472(Top 38%)5472(Top 358%)
40K24.85 mi0.85 mi10767-187732+387732+3811669(Top 46%)7260(Top 50%)7260(Top 475%)
25.2M25.20 mi0.35 mi10659+1087654+787654+785952(Top 23%)4211(Top 29%)4211(Top 275%)
Finish26.22 mi1.02 mi10751-927659-57659-513388(Top 52%)8179(Top 56%)8179(Top 535%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

10677

Males

8130

M55-59

8130

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

9942

Males

7851

M55-59

7851

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

10677

Males

8130

M55-59

8130

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

12476

Males

8877

M55-59

8877

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9454

Males

7407

M55-59

7407

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

11942

Males

8425

M55-59

8425

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

12118

Males

8302

M55-59

8302

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

11343

Males

7649

M55-59

7649

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

15132

Males

9205

M55-59

9205

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

9467

Males

6498

M55-59

6498

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

9934

Males

6549

M55-59

6549

23M→24M

23.0 - 24.0 mi

Top 31%
×6stories
+12ft-82ft

Overall

7938

Males

5472

M55-59

5472

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

11669

Males

7260

M55-59

7260

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

5952

Males

4211

M55-59

4211

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13388

Males

8179

M55-59

8179

Passing Analysis

Category:
Athletes Passed
1616
Passed By
3988
Net Change
-2374
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8377
5K10K67801-734#8377#9111
10K15K80541-461#9111#9572
15K20K65853-790#9572#10362
20KHalf6915+54#10362#10308
Half25K141389-248#10308#10556
25K30K207486-279#10556#10835
30K20M146138+8#10835#10827
20M21M58383-325#10827#11152
21M35K13628+108#11152#11044
35K23M18784+103#11044#10941
23M24M20210+192#10941#10749
24M40K85103-18#10749#10767
40K25.2M1113+108#10767#10659
25.2MFinish62154-92#10659#10751
TOTALS16163988-2374
📊

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