James Corbin

Upton, MA

Bib: 894 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 15907
Top 2%
Gender (Male)
#0 / 9934
Top 3%
Masters (Masters Men)
#0 / 4070
Top 1.0%
Division (M40-44)
#0 / 1238
Top 2%
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
6:54/mi
21:27
2791640.7%
140 ft elev
10K· 6.21 mi
6:28/mi
41:31
1032170.7%
25 ft elev
15K· 9.32 mi
6:36/mi
1:02:00
5155
21 ft elev
21K· 13.05 mi
6:38/mi
1:26:45
2037
4 ft elev
25K· 15.53 mi
6:31/mi
1:42:56
350.2%
30 ft elev
30K· 18.64 mi
6:53/mi
2:04:18
5857
30 ft elev
35K· 21.75 mi
6:57/mi
2:25:54
9892
36 ft elev
40K· 24.85 mi
7:38/mi
2:49:37
36530.1%
18 ft elev
Finish· 26.22 mi
8:25/mi
3:01:06
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
1:26:456:39 /mi⚡ faster
2nd Half
1:34:217:10 /mi+8.8%
Positive split — 8.8% 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
21:276:543.11 mi21:27
6:54
-
10K
41:316:413.10 mi20:04
6:28
-0:26
15K
1:02:006:393.11 mi20:29
6:36
+0:08
21K
1:26:456:393.73 mi24:45
6:38
+0:02
25K
1:42:566:382.48 mi16:11
6:31
-0:07
30K
2:04:186:403.11 mi21:22
6:53
+0:22
35K
2:25:546:433.11 mi21:36
6:57
+0:04
40K
2:49:376:493.10 mi23:43
7:38
+0:41
Finish(26.22 mi)
3:01:066:551.37 mi11:29
8:25
+0:47
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:28 /mi

Average Pace

6:55 /mi

Slowest Pace

8:25 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

36:15

20% of race

Time at Steady Pace

1:49:39

61% of race

Time at Slower Pace

35:12

19% of race

Average Pace: 6:54 /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. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3062812023822011
10K3.10 mi263+43245+3615+523622111
15K3.11 mi247+16229+1612+323822011
21K3.73 mi239+8223+69+32322178
25K2.48 mi238+1222+110-125924017
30K3.11 mi242-4226-413-329227219
35K3.11 mi241+1225+114-134231026
40K3.10 mi281-40259-3420-666455457
Finish(26.22 mi)1.37 mi324-43297-3823-317571336157

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×18story building
+279ft-164ft

Overall

238

Males

220

M40-44

220

5K→10K

3.1 - 6.2 mi

Top 1%
×11story building
+103ft-217ft

Overall

236

Males

221

M40-44

221

10K→15K

6.2 - 9.3 mi

Top 1%
×3story building
+51ft-55ft

Overall

238

Males

220

M40-44

220

15K→21K

9.3 - 13.1 mi

Top 1%
×1story
+20ft-37ft

Overall

232

Males

217

M40-44

217

21K→25K

13.1 - 15.5 mi

Top 2%
×2story building
+35ft-8ft

Overall

259

Males

240

M40-44

240

25K→30K

15.5 - 18.6 mi

Top 2%
×2story building
+58ft-57ft

Overall

292

Males

272

M40-44

272

30K→35K

18.6 - 21.8 mi

Top 2%
×2story building
+98ft-92ft

Overall

342

Males

310

M40-44

310

35K→40K

21.8 - 24.9 mi

Top 4%
×2story building
+36ft-53ft

Overall

664

Males

554

M40-44

554

40K→Finish

24.9 - 26.2 mi

Top 11%
×5story building
+80ft-24ft

Overall

1757

Males

1336

M40-44

1336

Passing Analysis

Category:
Passed
120*
Passed By
138
Net Change
-18
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#306
5K10K463+43#306#263
10K15K215+16#263#247
15K21K11*3+8#247#239
21K25K87+1#239#238
25K30K1014-4#238#242
30K35K15*14+1#242#241
35K40K8*48-40#241#281
40KFinish144-43#281#324
TOTALS120*138-18

* 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