Colleen McIlvenna

Brookline, MA

Bib: 3081 F

0:00
0:00
/ mi
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Overall
#0 / 15907
Top 19%
Gender (Female)
#0 / 5973
Top 11%
Division (F20-24)
#0 / 849
Top 17%
Race Day Weather
43°/33°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:48/mi
27:20
279164
10K· 6.21 mi
8:32/mi
53:51
103217
15K· 9.32 mi
8:50/mi
1:21:19
5155
21K· 13.05 mi
8:44/mi
1:53:53
2037
25K· 15.53 mi
8:23/mi
2:14:43
35
30K· 18.64 mi
8:47/mi
2:42:00
5857
35K· 21.75 mi
8:38/mi
3:08:48
9892
40K· 24.85 mi
8:58/mi
3:36:40
3653
Finish· 26.22 mi
8:49/mi
3:48:41
8024
Course Elevation
3237 ft
×20story building
764 ft climb · 717 ft descent

The Course

Half Splits

1st Half· via 21K
1:53:538:44 /mi⚖️ balanced
2nd Half
1:54:488:43 /mi⚖️ balanced
Even split — consistent pacing between halves
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
27:208:483.11 mi27:20
8:48
-
10K
53:518:403.10 mi26:31
8:32
-0:16
15K
1:21:198:433.11 mi27:28
8:50
+0:18
21K
1:53:538:443.73 mi32:34
8:44
-0:06
25K
2:14:438:402.48 mi20:50
8:23
-0:21
30K
2:42:008:413.11 mi27:17
8:47
+0:24
35K
3:08:488:413.11 mi26:48
8:38
-0:09
40K
3:36:408:433.10 mi27:52
8:58
+0:20
Finish(26.22 mi)
3:48:418:441.37 mi12:01
8:49
-0:09
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:23 /mi

Average Pace

8:44 /mi

Slowest Pace

8:58 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:41:20

71% of race

Time at Steady Pace

1:07:21

29% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:43 /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. DistOverallFemalesF20-24Seg. OverallSeg. FemalesSeg. F20-24
5K3.11 mi340872314546081022201
10K3.10 mi3733-325789-66162-174178889181
15K3.11 mi4000-267854-65174-1246081022201
21K3.73 mi3847+153811+43164+103712778162
25K2.48 mi3690+157774+37156+83316709147
30K3.11 mi3469+221733+41146+103019669144
35K3.11 mi3206+263690+43144+22550621136
40K3.10 mi2998+208675+15140+42626696158
Finish(26.22 mi)1.37 mi2909+89667+8143-32464658162

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×18story building
+279ft-164ft

Overall

4608

Females

1022

F20-24

1022

5K→10K

3.1 - 6.2 mi

Top 26%
×11story building
+103ft-217ft

Overall

4178

Females

889

F20-24

889

10K→15K

6.2 - 9.3 mi

Top 29%
×3story building
+51ft-55ft

Overall

4608

Females

1022

F20-24

1022

15K→21K

9.3 - 13.1 mi

Top 23%
×1story
+20ft-37ft

Overall

3712

Females

778

F20-24

778

21K→25K

13.1 - 15.5 mi

Top 21%
×2story building
+35ft-8ft

Overall

3316

Females

709

F20-24

709

25K→30K

15.5 - 18.6 mi

Top 19%
×2story building
+58ft-57ft

Overall

3019

Females

669

F20-24

669

30K→35K

18.6 - 21.8 mi

Top 16%
×2story building
+98ft-92ft

Overall

2550

Females

621

F20-24

621

35K→40K

21.8 - 24.9 mi

Top 17%
×2story building
+36ft-53ft

Overall

2626

Females

696

F20-24

696

40K→Finish

24.9 - 26.2 mi

Top 15%
×5story building
+80ft-24ft

Overall

2464

Females

658

F20-24

658

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#3408
5K10K
35227*-325
#3408 #3733
10K15K
29730*-267
#3733 #4000
15K21K
51204*+153
#4000 #3847
21K25K
25182*+157
#3847 #3690
25K30K
21242*+221
#3690 #3469
30K35K
25288*+263
#3469 #3206
35K40K
32240*+208
#3206 #2998
40KFinish
22111*+89
#2998 #2909
TOTALS
8251324*+499
#3408 #2909

* 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