Joe Blackford

Ashburn, VA

Bib: 4440 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 15907
Top 5%
Gender (Male)
#0 / 9934
Top 6%
Masters (Masters Men)
#0 / 4070
Top 3%
Division (M40-44)
#0 / 1238
Top 5%
Race Day Weather
43°/33°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
27 ft elev
5K· 3.11 mi
7:15/mi
22:31
2791640.7%
140 ft elev
10K· 6.21 mi
6:53/mi
43:54
1032170.7%
25 ft elev
15K· 9.32 mi
7:12/mi
1:06:15
5155
21 ft elev
21K· 13.05 mi
7:18/mi
1:33:28
2037
4 ft elev
25K· 15.53 mi
7:13/mi
1:51:23
350.2%
30 ft elev
30K· 18.64 mi
7:36/mi
2:14:59
5857
30 ft elev
35K· 21.75 mi
7:43/mi
2:38:59
9892
36 ft elev
40K· 24.85 mi
8:11/mi
3:04:24
36530.1%
18 ft elev
Finish· 26.22 mi
8:36/mi
3:16:08
80240.8%
74 ft elev
Course Elevation
3237 ft
×20story building
764 ft climb · 717 ft descent

The Course

Half Splits

1st Half· via 21K
1:33:287:10 /mi⚡ faster
2nd Half
1:42:407:48 /mi+9.8%
Positive split — 9.8% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:19:5622:317:1522:31
7:15
-
10K
6.21 mi08:41:1943:547:0421:23
6:53
-0:22
15K
9.32 mi09:03:401:06:157:0622:21
7:12
+0:19
21K
13.05 mi09:30:531:33:287:1027:13
7:18
+0:06
25K
15.53 mi09:48:481:51:237:1017:55
7:13
-0:05
30K
18.64 mi10:12:242:14:597:1423:36
7:36
+0:23
35K
21.75 mi10:36:242:38:597:1924:00
7:43
+0:07
40K
24.85 mi11:01:493:04:247:2525:25
8:11
+0:28
Finish
26.22 mi11:13:333:16:087:2911:44
8:36
+0:25

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

6:53 /mi

Average Pace

7:29 /mi

Slowest Pace

8:36 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

21:23

11% of race

Time at Steady Pace

1:30:00

46% of race

Time at Slower Pace

1:24:45

43% of race

Average Pace: 7:29 /mi

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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.

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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 mi08:19:5622:317:1522:31
7:15
#567
10K
6.21 mi08:41:1943:547:0421:23
6:53
#556
15K
9.32 mi09:03:401:06:157:0622:21
7:12
#595
21K
13.05 mi09:30:531:33:287:1027:13
7:18
#617
25K
15.53 mi09:48:481:51:237:1017:55
7:13
#631
30K
18.64 mi10:12:242:14:597:1423:36
7:36
#632
35K
21.75 mi10:36:242:38:597:1924:00
7:43
#651
40K
24.85 mi11:01:493:04:247:2525:25
8:11
#704
Finish
26.22 mi11:13:333:16:087:2911:44
8:36
#731
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5675025269561267
10K6.21 mi3.10 mi556+11496+649+357251454
15K9.32 mi3.11 mi595-39525-2954-569561267
21K13.05 mi3.73 mi617-22541-1657-371262563
25K15.53 mi2.48 mi631-14554-1359-284573178
30K18.64 mi3.11 mi632-1552+258+186173480
35K21.75 mi3.11 mi651-19562-1060-298582296
40K24.85 mi3.10 mi704-53606-4465-513091024120
Finish26.22 mi1.37 mi731-27626-206520931567182

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×18story building
+279ft-164ft

Overall

695

Males

612

M40-44

612

5K→10K

3.1 - 6.2 mi

Top 4%
×11story building
+103ft-217ft

Overall

572

Males

514

M40-44

514

10K→15K

6.2 - 9.3 mi

Top 4%
×3story building
+51ft-55ft

Overall

695

Males

612

M40-44

612

15K→21K

9.3 - 13.1 mi

Top 4%
×1story
+20ft-37ft

Overall

712

Males

625

M40-44

625

21K→25K

13.1 - 15.5 mi

Top 5%
×2story building
+35ft-8ft

Overall

845

Males

731

M40-44

731

25K→30K

15.5 - 18.6 mi

Top 5%
×2story building
+58ft-57ft

Overall

861

Males

734

M40-44

734

30K→35K

18.6 - 21.8 mi

Top 6%
×2story building
+98ft-92ft

Overall

985

Males

822

M40-44

822

35K→40K

21.8 - 24.9 mi

Top 8%
×2story building
+36ft-53ft

Overall

1309

Males

1024

M40-44

1024

40K→Finish

24.9 - 26.2 mi

Top 13%
×5story building
+80ft-24ft

Overall

2093

Males

1567

M40-44

1567

Passing Analysis

Category:
Athletes Passed
124*
Passed By
288
Net Change
-164
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#567
5K10K2918+11#567#556
10K15K4*43-39#556#595
15K21K6*28-22#595#617
21K25K1024-14#617#631
25K30K16*17-1#631#632
30K35K29*48-19#632#651
35K40K25*78-53#651#704
40KFinish532-27#704#731
TOTALS124*288-164

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Charts

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

U.S. Marine Corps Community Services (MCCS)

Timing Productions