Jim Dahl

Alexandria, VA

Bib: 12120 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 20%
Gender (Male)
#0 / 17709
Top 26%
Masters (Masters Men)
#0 / 8330
Top 18%
Division (M50-54)
#0 / 1638
Top 17%
Race Day Weather
42°/32°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:09/mi
28:26
279164
10K· 6.21 mi
8:24/mi
54:33
103217
15K· 9.32 mi
8:28/mi
1:20:50
5155
21K· 13.05 mi
8:40/mi
1:53:09
2037
25K· 15.53 mi
8:34/mi
2:14:26
35
30K· 18.64 mi
8:54/mi
2:42:04
5857
35K· 21.75 mi
9:09/mi
3:10:31
9892
40K· 24.85 mi
10:40/mi
3:43:40
3653
Finish· 26.22 mi
9:43/mi
3:56:55
8024
Course Elevation
764ft
Total climb
717ft
Total descent
234ft
Range
3 to 237 ft
×20story building

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The Course

Half Splits

1st Half· via 21K
1:53:098:40 /mi⚡ faster
2nd Half
2:03:459:24 /mi+9.4%
Positive split — 9.4% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
28:269:093.11 mi28:26
9:09
-
10K
54:338:473.10 mi26:07
8:24
-0:45
15K
1:20:508:403.11 mi26:17
8:28
+0:04
21K
1:53:098:403.73 mi32:19
8:40
+0:12
25K
2:14:268:392.48 mi21:17
8:34
-0:06
30K
2:42:048:423.11 mi27:38
8:54
+0:20
35K
3:10:318:463.11 mi28:27
9:09
+0:15
40K
3:43:409:003.10 mi33:09
10:40
+1:31
Finish(26.22 mi)
3:56:559:031.37 mi13:15
9:43
-0:57
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:24 /mi

Average Pace

9:03 /mi

Slowest Pace

10:40 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

52:24

22% of race

Time at Steady Pace

2:18:07

58% of race

Time at Slower Pace

46:24

20% of race

Average Pace: 9:02 /mi

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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. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi6405490130855354317255
10K3.10 mi5953+4524623+278283+2556024405273
15K3.11 mi5771+1824488+135277+655354317255
21K3.73 mi5685+864426+62272+556354382257
25K2.48 mi5665+204417+9271+160814629273
30K3.11 mi5496+1694247+170256+1554614114236
35K3.11 mi5385+1114101+146255+157034146257
40K3.10 mi6111-7264532-431276-21102386547481
Finish(26.22 mi)1.37 mi6119-84520+1227667854513297

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×18story building
+279ft-164ft

Overall

5535

Males

4317

M50-54

4317

5K→10K

3.1 - 6.2 mi

Top 19%
×11story building
+103ft-217ft

Overall

5602

Males

4405

M50-54

4405

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+51ft-55ft

Overall

5535

Males

4317

M50-54

4317

15K→21K

9.3 - 13.1 mi

Top 19%
×1story
+20ft-37ft

Overall

5635

Males

4382

M50-54

4382

21K→25K

13.1 - 15.5 mi

Top 20%
×2story building
+35ft-8ft

Overall

6081

Males

4629

M50-54

4629

25K→30K

15.5 - 18.6 mi

Top 18%
×2story building
+58ft-57ft

Overall

5461

Males

4114

M50-54

4114

30K→35K

18.6 - 21.8 mi

Top 19%
×2story building
+98ft-92ft

Overall

5703

Males

4146

M50-54

4146

35K→40K

21.8 - 24.9 mi

Top 34%
×2story building
+36ft-53ft

Overall

10238

Males

6547

M50-54

6547

40K→Finish

24.9 - 26.2 mi

Top 23%
×5story building
+80ft-24ft

Overall

6785

Males

4513

M50-54

4513

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#6405
5K10K
87539*+452
#6405 #5953
10K15K
88270*+182
#5953 #5771
15K21K
113199*+86
#5771 #5685
21K25K
142162+20
#5685 #5665
25K30K
114283*+169
#5665 #5496
30K35K
163274*+111
#5496 #5385
35K40K
80781*-726
#5385 #6111
40KFinish
111103*-8
#6111 #6119
TOTALS
16251911*+286
#6405 #6119

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

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

U.S. Marine Corps Community Services (MCCS)

Timing Productions