David Crawford

MA

Bib: 21894 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:57/mi
27:48
97345
10K· 6.21 mi
8:49/mi
55:12
79138
15K· 9.32 mi
8:55/mi
1:22:55
6778
20K· 12.43 mi
9:01/mi
1:50:57
10686
Half· 13.11 mi
9:02/mi
1:57:07
1937
25K· 15.53 mi
9:13/mi
2:19:28
6688
30K· 18.64 mi
10:37/mi
2:52:26
181148
20M
10:34/mi
3:06:47
6450
21M
14:36/mi
3:21:23
10624
35K· 21.75 mi
11:34/mi
3:30:02
1786
23M
11:33/mi
3:44:30
2363
24M
10:04/mi
3:54:34
82
40K· 24.85 mi
10:11/mi
4:03:16
20
25.2M
13:15/mi
4:07:50
1316
Finish· 26.22 mi
9:43/mi
4:17:44
2221
Course Elevation
7469 ft
×2stacked redwood trees
890 ft climb · 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:57:078:56 /mi⚡ faster
2nd Half
2:20:3710:44 /mi+20.1%
Positive split — 20.1% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
27:488:573.11 mi27:48
8:57
-
10K
55:128:533.10 mi27:24
8:49
-0:08
15K
1:22:558:543.11 mi27:43
8:55
+0:06
20K
1:50:578:563.11 mi28:02
9:01
+0:06
Half(13.11 mi)
1:57:078:560.68 mi6:10
9:02
+0:01
25K
2:19:288:592.42 mi22:21
9:13
+0:11
30K
2:52:269:153.11 mi32:58
10:37
+1:24
20M
3:06:479:201.36 mi14:21
10:34
-0:03
21M
3:21:239:351.00 mi14:36
14:36
+4:02
35K
3:30:029:390.75 mi8:39
11:34
-3:02
23M
3:44:309:461.25 mi14:28
11:33
-0:01
24M
3:54:349:461.00 mi10:04
10:04
-1:29
40K
4:03:169:470.85 mi8:42
10:11
+0:07
25.2M
4:07:509:500.35 mi4:34
13:15
+3:04
Finish(26.22 mi)
4:17:449:501.02 mi9:54
9:43
-3:32
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:49 /mi

Average Pace

9:50 /mi

Slowest Pace

14:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:19:28

54% of race

Time at Steady Pace

1:15:59

29% of race

Time at Slower Pace

42:17

16% of race

Average Pace: 9:50 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi202061224412244201461237512375
10K3.10 mi20110+9612263-1912263-19200391230112301
15K3.11 mi20104+612286-2312286-23201461237512375
20K3.11 mi20002+10212259+2712259+27198081222712227
Half(13.11 mi)0.68 mi20048-4612280-2112280-21205851255712557
25K2.42 mi20013+3512278+212278+2199151225312253
30K3.11 mi20633-62012539-26112539-261224321326513265
20M1.36 mi20739-10612574-3512574-35218671294212942
21M1.00 mi21310-57112807-23312807-233254801460514605
35K0.75 mi21478-16812881-7412881-74241751393413934
23M1.25 mi21632-15412935-5412935-54233431354713547
24M1.00 mi21600+3212908+2712908+27209661242312423
40K0.85 mi21560+4012880+2812880+28204231211112111
25.2M0.35 mi21641-8112911-3112911-31242261389713897
Finish(26.22 mi)1.02 mi21610+3112888+2312888+23208441234312343

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

20146

Males

12375

M65-69

12375

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

20039

Males

12301

M65-69

12301

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

20146

Males

12375

M65-69

12375

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

19808

Males

12227

M65-69

12227

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

20585

Males

12557

M65-69

12557

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

19915

Males

12253

M65-69

12253

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

22432

Males

13265

M65-69

13265

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

21867

Males

12942

M65-69

12942

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

25480

Males

14605

M65-69

14605

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

24175

Males

13934

M65-69

13934

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

23343

Males

13547

M65-69

13547

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

20966

Males

12423

M65-69

12423

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20423

Males

12111

M65-69

12111

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

24226

Males

13897

M65-69

13897

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

20844

Males

12343

M65-69

12343

Passing Analysis

Category:
Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#20206
5K10K
271367+96
#20206 #20110
10K15K
169175+6
#20110 #20104
15K20K
118220+102
#20104 #20002
20KHalf
6620-46
#20002 #20048
Half25K
107142+35
#20048 #20013
25K30K
65333-620
#20013 #20633
30K20M
15145-106
#20633 #20739
20M21M
5743-571
#20739 #21310
21M35K
1757-168
#21310 #21478
35K23M
17824-154
#21478 #21632
23M24M
2658+32
#21632 #21600
24M40K
1959+40
#21600 #21560
40K25.2M
898-81
#21560 #21641
25.2MFinish
2051+31
#21641 #21610
TOTALS
26161212-1404
#20206 #21610

Passing Visualized

Category:
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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