Dielian Chai

Bib: 7113 F CN

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Top 46%

Gender (Female)

#0 / 26115

Top 33%

Masters (Masters Women)

#0 / 11371

Top 31%

Division (F45-49)

#0 / 2995

Top 34%

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

8:37/mi

26:44

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:59/mi

54:37

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:29/mi

1:24:02

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

9:39/mi

1:53:59

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:54/mi

2:00:37

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

10:26/mi

2:26:00

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

10:38/mi

2:59:00

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

11:13/mi

3:33:48

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

10:48/mi

4:07:19

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

11:01/mi

4:22:20

↑ 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

2:00:379:13 /mi⚡ faster

2nd Half

2:21:4310:49 /mi+17.5%

Positive split — 17.5% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	26:44	8:37	3.11 mi	26:44	8:37	-
10K	54:37	8:48	3.10 mi	27:53	8:59	+0:22
15K	1:24:02	9:01	3.11 mi	29:25	9:29	+0:30
20K	1:53:59	9:11	3.11 mi	29:57	9:39	+0:10
Half(13.10 mi)	2:00:37	9:13	0.67 mi	6:38	9:54	+0:15
25K	2:26:00	9:24	2.43 mi	25:23	10:26	+0:32
30K	2:59:00	9:37	3.11 mi	33:00	10:38	+0:12
35K	3:33:48	9:50	3.11 mi	34:48	11:13	+0:35
40K	4:07:19	9:58	3.10 mi	33:31	10:48	-0:25
Finish(26.22 mi)	4:22:20	10:01	1.37 mi	15:01	11:01	+0:13

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:37 /mi

Average Pace

10:01 /mi

Slowest Pace

11:13 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:00:37

46% of race

Time at Steady Pace

1:31:54

35% of race

Time at Slower Pace

49:49

19% of race

Average Pace: 10:00 /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	21180	5597	5597	27485	7842	7842
10K	3.10 mi	22621-1441	6113-516	6113-516	24209	6692	6692
15K	3.11 mi	24117-1496	6619-506	6619-506	27485	7842	7842
20K	3.11 mi	26154-2037	7362-743	7362-743	30299	9072	9072
Half(13.10 mi)	0.67 mi	26390-236	7462-100	7462-100	29570	8880	8880
25K	2.43 mi	27743-1353	8039-577	8039-577	32717	10588	10588
30K	3.11 mi	27999-256	8327-288	8327-288	30044	9803	9803
35K	3.11 mi	28029-30	8575-248	8575-248	29693	10337	10337
40K	3.10 mi	27606+423	8620-45	8620-45	26425	9354	9354
Finish(26.22 mi)	1.37 mi	27669-63	8715-95	8715-95	31676	11773	11773

11773

Passing Analysis

Category:

▼Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#21180
5K → 10K	1594153-1441	#21180 → #22621
10K → 15K	1623127-1496	#22621 → #24117
15K → 20K	2137100-2037	#24117 → #26154
20K → Half	29054-236	#26154 → #26390
Half → 25K	1508155-1353	#26390 → #27743
25K → 30K	774518-256	#27743 → #27999
30K → 35K	611581-30	#27999 → #28029
35K → 40K	302725+423	#28029 → #27606
40K → Finish	241178-63	#27606 → #27669
TOTALS	90802591-6489	#21180 → #27669

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

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Results processed 4 months ago

Public Race Data

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Race managed by

London Marathon Events

Race timed by

Mika Timing