Sylwia Grzelecka

Bib: 82468 F PL

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Top 45%

Masters (Masters Women)

#0 / 11371

Top 43%

Division (F45-49)

#0 / 2995

Top 48%

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

10:05/mi

31:17

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:13/mi

1:03:01

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

10:32/mi

1:35:44

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:11/mi

2:07:20

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

11:23/mi

2:14:58

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

10:43/mi

2:41:04

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

11:16/mi

3:16:02

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

11:27/mi

3:51:36

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:36/mi

4:27:37

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

11:33/mi

4:43:22

↑ 14 ft↓ 18 ft

19 ft elev

Course Elevation

503ft

Total climb

166ft

Range

6 to 172 ft

613ft

Total descent

About the height of the Statue of Liberty

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The Course

Half Splits

1st Half· via Half

2:14:5810:19 /mi⚡ faster

2nd Half

2:28:2411:19 /mi+10.0%

Positive split — 10.0% slower in the second half

AI Race Performance Report

Sylwia's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	31:17	10:05	3.11 mi	31:17	10:05	-
10K	1:03:01	10:09	3.10 mi	31:44	10:13	+0:08
15K	1:35:44	10:17	3.11 mi	32:43	10:32	+0:19
20K	2:07:20	10:15	3.11 mi	31:36	10:11	-0:21
Half(13.10 mi)	2:14:58	10:19	0.67 mi	7:38	11:23	+1:12
25K	2:41:04	10:23	2.43 mi	26:06	10:43	-0:40
30K	3:16:02	10:31	3.11 mi	34:58	11:16	+0:33
35K	3:51:36	10:39	3.11 mi	35:34	11:27	+0:11
40K	4:27:37	10:47	3.10 mi	36:01	11:36	+0:09
Finish(26.22 mi)	4:43:22	10:49	1.37 mi	15:45	11:33	-0:03

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:05 /mi

Average Pace

10:49 /mi

Slowest Pace

11:36 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:33:26

54% of race

Time at Steady Pace

2:09:56

46% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:48 /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	39387	13094	13094	37639	12338	12338
10K	3.10 mi	38824+563	12807+287	12807+287	38529	12714	12714
15K	3.11 mi	38312+512	12575+232	12575+232	37639	12338	12338
20K	3.11 mi	37285+1027	12168+407	12168+407	35068	11321	11321
Half(13.10 mi)	0.67 mi	37566-281	12330-162	12330-162	41728	15027	15027
25K	2.43 mi	36976+590	12184+146	12184+146	34938	11695	11695
30K	3.11 mi	36349+627	12040+144	12040+144	34379	11883	11883
35K	3.11 mi	35351+998	11804+236	11804+236	31290	11093	11093
40K	3.10 mi	34852+499	11783+21	11783+21	32441	12110	12110
Finish(26.22 mi)	1.37 mi	34845+7	11857-74	11857-74	36186	13878	13878

13878

Passing Analysis

Category:

▲Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#39387
5K → 10K	4691032+563	#39387 → #38824
10K → 15K	290802+512	#38824 → #38312
15K → 20K	931120+1027	#38312 → #37285
20K → Half	35372-281	#37285 → #37566
Half → 25K	178768+590	#37566 → #36976
25K → 30K	267894+627	#36976 → #36349
30K → 35K	1611159+998	#36349 → #35351
35K → 40K	248747+499	#35351 → #34852
40K → Finish	190197+7	#34852 → #34845
TOTALS	22496791+4542	#39387 → #34845

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

All Results

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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

London Marathon Events

Race timed by

Mika Timing