Donald Pruefer Jr

Arlington, VA

Bib: 4430 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 15907
Gender (Male)
#0 / 9934
Masters (Masters Men)
#0 / 4070
Division (M60-64)
#0 / 363
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
13:17/mi
41:17
2791640.7%
140 ft elev
10K· 6.21 mi
13:06/mi
1:22:00
1032170.7%
25 ft elev
15K· 9.32 mi
13:45/mi
2:04:42
5155
21 ft elev
21K· 13.05 mi
15:00/mi
3:00:39
2037
4 ft elev
25K· 15.53 mi
18:07/mi
3:45:41
350.2%
30 ft elev
30K· 18.64 mi
18:39/mi
4:43:37
5857
30 ft elev
35K· 21.75 mi
15:55/mi
5:33:04
9892
36 ft elev
40K· 24.85 mi
20:16/mi
6:36:03
36530.1%
18 ft elev
Finish· 26.22 mi
20:30/mi
7:04:01
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
3:00:3913:51 /mi⚡ faster
2nd Half
4:03:2118:29 /mi+34.7%
Positive split — 34.7% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:47:0741:1713:1741:17
13:17
-
10K
6.21 mi09:27:501:22:0013:1240:43
13:06
-0:11
15K
9.32 mi10:10:322:04:4213:2342:42
13:45
+0:39
21K
13.05 mi11:06:293:00:3913:5155:57
15:00
+1:15
25K
15.53 mi11:51:313:45:4114:3245:02
18:07
+3:07
30K
18.64 mi12:49:274:43:3715:1357:56
18:39
+0:32
35K
21.75 mi13:38:545:33:0415:1949:27
15:55
-2:44
40K
24.85 mi14:41:536:36:0315:561:02:59
20:16
+4:21
Finish
26.22 mi15:09:517:04:0116:1127:58
20:30
+0:14

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

13:06 /mi

Average Pace

16:11 /mi

Slowest Pace

20:30 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:04:42

29% of race

Time at Steady Pace

1:45:24

25% of race

Time at Slower Pace

3:13:55

46% of race

Average Pace: 16:10 /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 mi08:47:0741:1713:1741:17
13:17
#15661
10K
6.21 mi09:27:501:22:0013:1240:43
13:06
#15738
15K
9.32 mi10:10:322:04:4213:2342:42
13:45
#15733
21K
13.05 mi11:06:293:00:3913:5155:57
15:00
#15779
25K
15.53 mi11:51:313:45:4114:3245:02
18:07
#15925
30K
18.64 mi12:49:274:43:3715:1357:56
18:39
#15916
35K
21.75 mi13:38:545:33:0415:1949:27
15:55
#15877
40K
24.85 mi14:41:536:36:0315:561:02:59
20:16
#15892
Finish
26.22 mi15:09:517:04:0116:1127:58
20:30
#15897
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi156619892342156949862336
10K6.21 mi3.10 mi15738-779916-24344-2157779925339
15K9.32 mi3.11 mi15733+59913+3342+2156949862336
21K13.05 mi3.73 mi15779-469908+5345-3157739886348
25K15.53 mi2.48 mi15925-1469965-57355-10160089995358
30K18.64 mi3.11 mi15916+99944+21357-2159049926357
35K21.75 mi3.11 mi15877+399916+28355+2151259429325
40K24.85 mi3.10 mi15892-159922-6357-2158509892356
Finish26.22 mi1.37 mi15897-59926-4357158369886357

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×18story building
+279ft-164ft

Overall

15694

Males

9862

M60-64

9862

5K→10K

3.1 - 6.2 mi

Top 99%
×11story building
+103ft-217ft

Overall

15777

Males

9925

M60-64

9925

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+51ft-55ft

Overall

15694

Males

9862

M60-64

9862

15K→21K

9.3 - 13.1 mi

Top 99%
×1story
+20ft-37ft

Overall

15773

Males

9886

M60-64

9886

21K→25K

13.1 - 15.5 mi

Top 101%
×2story building
+35ft-8ft

Overall

16008

Males

9995

M60-64

9995

25K→30K

15.5 - 18.6 mi

Top 100%
×2story building
+58ft-57ft

Overall

15904

Males

9926

M60-64

9926

30K→35K

18.6 - 21.8 mi

Top 95%
×2story building
+98ft-92ft

Overall

15125

Males

9429

M60-64

9429

35K→40K

21.8 - 24.9 mi

Top 100%
×2story building
+36ft-53ft

Overall

15850

Males

9892

M60-64

9892

40K→Finish

24.9 - 26.2 mi

Top 100%
×5story building
+80ft-24ft

Overall

15836

Males

9886

M60-64

9886

Passing Analysis

Category:
Athletes Passed
314*
Passed By
550
Net Change
-236
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15661
5K10K47*124-77#15661#15738
10K15K52*47+5#15738#15733
15K21K71*117-46#15733#15779
21K25K17*163-146#15779#15925
25K30K70*61+9#15925#15916
30K35K44*5+39#15916#15877
35K40K10*25-15#15877#15892
40KFinish3*8-5#15892#15897
TOTALS314*550-236

* 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