Lea Collin

Boston, MA

Bib: 8124 F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 30047
Top 9%
Gender (Female)
#0 / 12338
Top 5%
Division (F25-29)
#0 / 2322
Top 7%
Race Day Weather
42°/32°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
27 ft elev
5K· 3.11 mi
8:35/mi
26:41
2791640.7%
140 ft elev
10K· 6.21 mi
7:53/mi
51:12
1032170.7%
25 ft elev
15K· 9.32 mi
7:53/mi
1:15:41
5155
21 ft elev
21K· 13.05 mi
8:07/mi
1:45:57
2037
4 ft elev
25K· 15.53 mi
7:55/mi
2:05:38
350.2%
30 ft elev
30K· 18.64 mi
8:14/mi
2:31:14
5857
30 ft elev
35K· 21.75 mi
8:21/mi
2:57:11
9892
36 ft elev
40K· 24.85 mi
8:31/mi
3:23:38
36530.1%
18 ft elev
Finish· 26.22 mi
8:26/mi
3:35:08
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
1:45:578:07 /mi⚡ faster
2nd Half
1:49:118:17 /mi+3.1%
Positive split — 3.1% 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
26:418:353.11 mi26:41
8:35
-
10K
51:128:143.10 mi24:31
7:53
-0:42
15K
1:15:418:073.11 mi24:29
7:53
0:00
21K
1:45:578:073.73 mi30:16
8:07
+0:14
25K
2:05:388:052.48 mi19:41
7:55
-0:12
30K
2:31:148:073.11 mi25:36
8:14
+0:19
35K
2:57:118:093.11 mi25:57
8:21
+0:07
40K
3:23:388:123.10 mi26:27
8:31
+0:10
Finish(26.22 mi)
3:35:088:131.37 mi11:30
8:26
-0:05
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:53 /mi

Average Pace

8:13 /mi

Slowest Pace

8:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:04:33

58% of race

Time at Steady Pace

1:30:35

42% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:12 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi36217011893231597160
10K3.10 mi3534+87664+37175+143457642172
15K3.11 mi3394+140629+35169+63231597160
21K3.73 mi3351+43623+6165+43351625170
25K2.48 mi3304+47621+2169-43318665185
30K3.11 mi3180+124603+18167+23047621161
35K3.11 mi3002+178586+17161+62758597158
40K3.10 mi2845+157586160+12683644181
Finish(26.22 mi)1.37 mi2760+85587-1161-12502610193

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×18story building
+279ft-164ft

Overall

3231

Females

597

F25-29

597

5K→10K

3.1 - 6.2 mi

Top 12%
×11story building
+103ft-217ft

Overall

3457

Females

642

F25-29

642

10K→15K

6.2 - 9.3 mi

Top 11%
×3story building
+51ft-55ft

Overall

3231

Females

597

F25-29

597

15K→21K

9.3 - 13.1 mi

Top 11%
×1story
+20ft-37ft

Overall

3351

Females

625

F25-29

625

21K→25K

13.1 - 15.5 mi

Top 11%
×2story building
+35ft-8ft

Overall

3318

Females

665

F25-29

665

25K→30K

15.5 - 18.6 mi

Top 10%
×2story building
+58ft-57ft

Overall

3047

Females

621

F25-29

621

30K→35K

18.6 - 21.8 mi

Top 9%
×2story building
+98ft-92ft

Overall

2758

Females

597

F25-29

597

35K→40K

21.8 - 24.9 mi

Top 9%
×2story building
+36ft-53ft

Overall

2683

Females

644

F25-29

644

40K→Finish

24.9 - 26.2 mi

Top 8%
×5story building
+80ft-24ft

Overall

2502

Females

610

F25-29

610

Passing Analysis

Category:
Passed
1332*
Passed By
471
Net Change
+861
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3621
5K10K196*109+87#3621#3534
10K15K185*45+140#3534#3394
15K21K136*93+43#3394#3351
21K25K9851+47#3351#3304
25K30K175*51+124#3304#3180
30K35K228*50+178#3180#3002
35K40K212*55+157#3002#2845
40KFinish102*17+85#2845#2760
TOTALS1332*471+861

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

Passing Charts

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions