Karen De Castro

Bib: 48383 F US

Masters

0:00

0:00

/ mi

Masters

Be the first to cheer!

Overall

#0 / 59786

Gender (Female)

#0 / 26115

Masters (Masters Women)

#0 / 11371

Division (F45-49)

#0 / 2995

Race Day Weather

56°/46°F

overcast clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

131 ft elev

5K· 3.11 mi

11:00/mi

34:09

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

11:12/mi

1:08:55

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

11:17/mi

1:43:57

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

11:13/mi

2:18:45

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

11:44/mi

2:26:37

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

11:38/mi

2:54:55

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

11:51/mi

3:31:41

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

12:18/mi

4:09:51

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

12:47/mi

4:49:31

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

12:30/mi

5:06:33

↑ 14 ft↓ 18 ft

19 ft elev

Course Elevation

6–172 ft

≈

×14story building

•▲ 503 ft climb · ▼ 613 ft descent

The Course

Half Splits

1st Half· via Half

2:26:3711:12 /mi⚡ faster

2nd Half

2:39:5612:12 /mi+9.1%

Positive split — 9.1% 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	34:09	11:00	3.11 mi	34:09	11:00	-
10K	1:08:55	11:06	3.10 mi	34:46	11:12	+0:12
15K	1:43:57	11:10	3.11 mi	35:02	11:17	+0:05
20K	2:18:45	11:10	3.11 mi	34:48	11:13	-0:04
Half(13.10 mi)	2:26:37	11:12	0.67 mi	7:52	11:44	+0:31
25K	2:54:55	11:16	2.43 mi	28:18	11:38	-0:06
30K	3:31:41	11:22	3.11 mi	36:46	11:51	+0:13
35K	4:09:51	11:30	3.11 mi	38:10	12:18	+0:27
40K	4:49:31	11:39	3.10 mi	39:40	12:47	+0:29
Finish(26.22 mi)	5:06:33	11:43	1.37 mi	17:02	12:30	-0:17

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

11:00 /mi

Average Pace

11:42 /mi

Slowest Pace

12:47 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:31:41

69% of race

Time at Steady Pace

1:34:52

31% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:41 /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	48307	18239	18239	43776	15610	15610
10K	3.10 mi	47559+748	17747+492	17747+492	46999	17416	17416
15K	3.11 mi	46071+1488	16883+864	16883+864	43776	15610	15610
20K	3.11 mi	45182+889	16430+453	16430+453	43219	15614	15614
Half(13.10 mi)	0.67 mi	45096+86	16397+33	16397+33	44178	16404	16404
25K	2.43 mi	44099+997	15955+442	15955+442	40988	14797	14797
30K	3.11 mi	42821+1278	15412+543	15412+543	38038	13752	13752
35K	3.11 mi	41782+1039	15080+332	15080+332	36620	13689	13689
40K	3.10 mi	41747+35	15231-151	15231-151	40858	16136	16136
Finish(26.22 mi)	1.37 mi	41829-82	15319-88	15319-88	43297	17244	17244

17244

Passing Analysis

Category:

▲Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#48307
5K → 10K	4531201+748	#48307 → #47559
10K → 15K	681556+1488	#47559 → #46071
15K → 20K	1381027+889	#46071 → #45182
20K → Half	78164+86	#45182 → #45096
Half → 25K	1051102+997	#45096 → #44099
25K → 30K	1021380+1278	#44099 → #42821
30K → 35K	1311170+1039	#42821 → #41782
35K → 40K	383418+35	#41782 → #41747
40K → Finish	216134-82	#41747 → #41829
TOTALS	16748152+6478	#48307 → #41829

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 4 months ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

London Marathon Events

Race timed by

Mika Timing