David Lefkowitz

Medford, MA

Bib: 19517 M

0:00

0:00

/ mi

Be the first to cheer!

Overall

#0 / 30047

Gender (Male)

#0 / 17709

Division (M30-34)

#0 / 2603

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

9:48/mi

30:26

↑ 279 ft↓ 164 ft0.7% grade

140 ft elev

10K· 6.21 mi

9:21/mi

59:28

↑ 103 ft↓ 217 ft0.7% grade

25 ft elev

15K· 9.32 mi

9:29/mi

1:28:55

↑ 51 ft↓ 55 ft

21 ft elev

21K· 13.05 mi

10:08/mi

2:06:42

↑ 20 ft↓ 37 ft

4 ft elev

25K· 15.53 mi

10:54/mi

2:33:47

↑ 35 ft0.2% grade

30 ft elev

30K· 18.64 mi

11:45/mi

3:10:16

↑ 58 ft↓ 57 ft

30 ft elev

35K· 21.75 mi

12:03/mi

3:47:42

↑ 98 ft↓ 92 ft

36 ft elev

40K· 24.85 mi

12:49/mi

4:27:31

↑ 36 ft↓ 53 ft0.1% grade

18 ft elev

Finish· 26.22 mi

12:23/mi

4:44:24

↑ 80 ft↓ 24 ft0.8% grade

74 ft elev

Course Elevation

3–237 ft

≈

×20story building

•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K

2:06:429:43 /mi⚡ faster

2nd Half

2:37:4211:58 /mi+24.5%

Positive split — 24.5% slower in the second half

Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	30:26	9:48	3.11 mi	30:26	9:48	-
10K	59:28	9:34	3.10 mi	29:02	9:21	-0:27
15K	1:28:55	9:32	3.11 mi	29:27	9:29	+0:08
21K	2:06:42	9:43	3.73 mi	37:47	10:08	+0:39
25K	2:33:47	9:54	2.48 mi	27:05	10:54	+0:46
30K	3:10:16	10:12	3.11 mi	36:29	11:45	+0:51
35K	3:47:42	10:28	3.11 mi	37:26	12:03	+0:18
40K	4:27:31	10:46	3.10 mi	39:49	12:49	+0:46
Finish(26.22 mi)	4:44:24	10:51	1.37 mi	16:53	12:23	-0:26

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:21 /mi

Average Pace

10:51 /mi

Slowest Pace

12:49 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:06:42

45% of race

Time at Steady Pace

27:05

10% of race

Time at Slower Pace

2:10:37

46% of race

Average Pace: 10:51 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Males	M30-34	Seg. Overall	Seg. Males	Seg. M30-34
5K	3.11 mi	10408	7531	1280	11860	8433	1414
10K	3.10 mi	10971-563	7893-362	1354-74	11629	8321	1415
15K	3.11 mi	11215-244	8056-163	1368-14	11860	8433	1414
21K	3.73 mi	12000-785	8523-467	1429-61	13901	9580	1596
25K	2.48 mi	12905-905	8992-469	1502-73	17698	11427	1837
30K	3.11 mi	13839-934	9446-454	1566-64	17631	11198	1770
35K	3.11 mi	14302-463	9599-153	1578-12	16829	10381	1643
40K	3.10 mi	14910-608	9803-204	1592-14	17797	10718	1683
Finish(26.22 mi)	1.37 mi	15039-129	9843-40	1597-5	17109	10333	1650

10333

Passing Analysis

Category:

▼Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 5K	-	#10408
5K → 10K	691128*-563	#10408 → #10971
10K → 15K	410166*-244	#10971 → #11215
15K → 21K	906121*-785	#11215 → #12000
21K → 25K	98378*-905	#12000 → #12905
25K → 30K	1061127*-934	#12905 → #13839
30K → 35K	710247*-463	#13839 → #14302
35K → 40K	766158*-608	#14302 → #14910
40K → Finish	21384*-129	#14910 → #15039
TOTALS	57401109*-4631	#10408 → #15039

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

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

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

Quick Links

Find another athlete or browse the full results

Search for another athlete

All Results

Browse complete race results with filtering

→

Results processed 20 days ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

U.S. Marine Corps Community Services (MCCS)

Race timed by

Timing Productions