Emily Hartzog

Boulder, CO

Bib: 17109 F

Masters

0:00

0:00

/ mi

Masters

Be the first to cheer!

Overall

#0 / 15907

Gender (Female)

#0 / 5973

Masters (Masters Women)

#0 / 2230

Top 43%

Division (F45-49)

#0 / 538

Top 47%

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

10:39/mi

33:06

↑ 279 ft↓ 164 ft0.7% grade

140 ft elev

10K· 6.21 mi

10:14/mi

1:04:55

↑ 103 ft↓ 217 ft0.7% grade

25 ft elev

15K· 9.32 mi

11:26/mi

1:40:25

↑ 51 ft↓ 55 ft

21 ft elev

21K· 13.05 mi

10:57/mi

2:21:16

↑ 20 ft↓ 37 ft

4 ft elev

25K· 15.53 mi

11:46/mi

2:50:31

↑ 35 ft0.2% grade

30 ft elev

30K· 18.64 mi

10:59/mi

3:24:37

↑ 58 ft↓ 57 ft

30 ft elev

35K· 21.75 mi

11:43/mi

4:01:00

↑ 98 ft↓ 92 ft

36 ft elev

40K· 24.85 mi

11:11/mi

4:35:44

↑ 36 ft↓ 53 ft0.1% grade

18 ft elev

Finish· 26.22 mi

11:36/mi

4:51:33

↑ 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

2:21:1610:50 /mi⚡ faster

2nd Half

2:30:1711:25 /mi+6.4%

Positive split — 6.4% 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	33:06	10:39	3.11 mi	33:06	10:39	-
10K	1:04:55	10:27	3.10 mi	31:49	10:14	-0:25
15K	1:40:25	10:46	3.11 mi	35:30	11:26	+1:12
21K	2:21:16	10:50	3.73 mi	40:51	10:57	-0:29
25K	2:50:31	10:59	2.48 mi	29:15	11:46	+0:49
30K	3:24:37	10:59	3.11 mi	34:06	10:59	-0:47
35K	4:01:00	11:05	3.11 mi	36:23	11:43	+0:44
40K	4:35:44	11:06	3.10 mi	34:44	11:11	-0:32
Finish(26.22 mi)	4:51:33	11:08	1.37 mi	15:49	11:36	+0:25

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:14 /mi

Average Pace

11:08 /mi

Slowest Pace

11:46 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:54:36

60% of race

Time at Steady Pace

1:56:57

40% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:07 /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	Females	F45-49	Seg. Overall	Seg. Females	Seg. F45-49
5K	3.11 mi	10217	3101	228	13073	4417	361
10K	3.10 mi	10456-239	3186-85	243-15	10675	3285	261
15K	3.11 mi	11491-1035	3656-470	292-49	13073	4417	361
21K	3.73 mi	11230+261	3554+102	279+13	11008	3485	268
25K	2.48 mi	11576-346	3753-199	295-16	12535	4382	355
30K	3.11 mi	10902+674	3503+250	267+28	8797	2816	194
35K	3.11 mi	10614+288	3458+45	262+5	9582	3352	263
40K	3.10 mi	10110+504	3293+165	250+12	7362	2556	178
Finish(26.22 mi)	1.37 mi	10056+54	3294-1	250	8971	3239	248

3239

Passing Analysis

Category:

▲Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 5K	-	#10217
5K → 10K	398159*-239	#10217 → #10456
10K → 15K	108550*-1035	#10456 → #11491
15K → 21K	101362*+261	#11491 → #11230
21K → 25K	453107*-346	#11230 → #11576
25K → 30K	14688*+674	#11576 → #10902
30K → 35K	95383*+288	#10902 → #10614
35K → 40K	19523*+504	#10614 → #10110
40K → Finish	46100*+54	#10110 → #10056
TOTALS	22112372*+161	#10217 → #10056

* 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 23 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