John Duffy

Frederick, MD

Bib: 23881 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Gender (Male)
#0 / 17709
Masters (Masters Men)
#0 / 8330
Division (M55-59)
#0 / 1294
Top 50%
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
11:37/mi
36:07
279164
10K· 6.21 mi
10:57/mi
1:10:08
103217
15K· 9.32 mi
10:51/mi
1:43:52
5155
21K· 13.05 mi
12:16/mi
2:29:35
2037
25K· 15.53 mi
10:59/mi
2:56:52
35
30K· 18.64 mi
12:06/mi
3:34:29
5857
35K· 21.75 mi
12:06/mi
4:12:05
9892
40K· 24.85 mi
10:57/mi
4:46:05
3653
Finish· 26.22 mi
11:13/mi
5:01:23
8024
Course Elevation
3237 ft
×20story building
764 ft climb · 717 ft descent

The Course

Half Splits

1st Half· via 21K
2:29:3511:28 /mi⚡ faster
2nd Half
2:31:4811:32 /mi+1.5%
Positive split — 1.5% 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
36:0711:373.11 mi36:07
11:37
-
10K
1:10:0811:173.10 mi34:01
10:57
-0:40
15K
1:43:5211:093.11 mi33:44
10:51
-0:06
21K
2:29:3511:283.73 mi45:43
12:16
+1:25
25K
2:56:5211:232.48 mi27:17
10:59
-1:17
30K
3:34:2911:303.11 mi37:37
12:06
+1:07
35K
4:12:0511:353.11 mi37:36
12:06
0:00
40K
4:46:0511:313.10 mi34:00
10:57
-1:09
Finish(26.22 mi)
5:01:2311:301.37 mi15:18
11:13
+0:16
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:51 /mi

Average Pace

11:30 /mi

Slowest Pace

12:16 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:00:27

60% of race

Time at Steady Pace

2:00:56

40% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:30 /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. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi21890139608301992312944728
10K3.10 mi21841+4913935+25825+52186513951827
15K3.11 mi21091+75013570+365791+341992312944728
21K3.73 mi21928-83713975-405833-422322614537902
25K2.48 mi20974+95413405+570787+461804211605631
30K3.11 mi20476+49813049+356755+321886711871693
35K3.11 mi19873+60312613+436725+301700910467598
40K3.10 mi18508+136511768+845657+68113227125352
Finish(26.22 mi)1.37 mi18185+32311542+226637+20127577870396

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×18story building
+279ft-164ft

Overall

19923

Males

12944

M55-59

12944

5K→10K

3.1 - 6.2 mi

Top 73%
×11story building
+103ft-217ft

Overall

21865

Males

13951

M55-59

13951

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+51ft-55ft

Overall

19923

Males

12944

M55-59

12944

15K→21K

9.3 - 13.1 mi

Top 77%
×1story
+20ft-37ft

Overall

23226

Males

14537

M55-59

14537

21K→25K

13.1 - 15.5 mi

Top 60%
×2story building
+35ft-8ft

Overall

18042

Males

11605

M55-59

11605

25K→30K

15.5 - 18.6 mi

Top 63%
×2story building
+58ft-57ft

Overall

18867

Males

11871

M55-59

11871

30K→35K

18.6 - 21.8 mi

Top 57%
×2story building
+98ft-92ft

Overall

17009

Males

10467

M55-59

10467

35K→40K

21.8 - 24.9 mi

Top 38%
×2story building
+36ft-53ft

Overall

11322

Males

7125

M55-59

7125

40K→Finish

24.9 - 26.2 mi

Top 42%
×5story building
+80ft-24ft

Overall

12757

Males

7870

M55-59

7870

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#21890
5K10K
446495*+49
#21890 #21841
10K15K
88838*+750
#21841 #21091
15K21K
1148311*-837
#21091 #21928
21K25K
25979*+954
#21928 #20974
25K30K
139637*+498
#20974 #20476
30K35K
88691*+603
#20476 #19873
35K40K
81373*+1365
#19873 #18508
40KFinish
17340*+323
#18508 #18185
TOTALS
19595664*+3705
#21890 #18185

* 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