Joanna Chang

Bib: 7038 F US

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 37%

Gender (Female)

#0 / 26115

Top 25%

Division (F18-39)

#0 / 14744

Top 27%

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

8:01/mi

24:52

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

7:50/mi

49:10

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:22/mi

1:15:08

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:20/mi

1:40:59

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:57/mi

1:46:59

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

9:00/mi

2:08:54

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:09/mi

2:37:18

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

11:00/mi

3:11:28

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

13:23/mi

3:53:01

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:25/mi

4:05:51

↑ 14 ft↓ 18 ft

19 ft elev

Course Elevation

503ft

Total climb

613ft

Total descent

166ft

Range

6 to 172 ft

≈

×14story building

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The Course

Half Splits

1st Half· via Half

1:46:598:11 /mi⚡ faster

2nd Half

2:18:5210:36 /mi+29.8%

Positive split — 29.8% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	24:52	8:01	3.11 mi	24:52	8:01	-
10K	49:10	7:55	3.10 mi	24:18	7:50	-0:11
15K	1:15:08	8:04	3.11 mi	25:58	8:22	+0:32
20K	1:40:59	8:08	3.11 mi	25:51	8:20	-0:02
Half(13.10 mi)	1:46:59	8:11	0.67 mi	6:00	8:57	+0:37
25K	2:08:54	8:18	2.43 mi	21:55	9:00	+0:03
30K	2:37:18	8:27	3.11 mi	28:24	9:09	+0:09
35K	3:11:28	8:49	3.11 mi	34:10	11:00	+1:51
40K	3:53:01	9:23	3.10 mi	41:33	13:23	+2:23
Finish(26.22 mi)	4:05:51	9:24	1.37 mi	12:50	9:25	-3:58

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:50 /mi

Average Pace

9:23 /mi

Slowest Pace

13:23 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

49:10

20% of race

Time at Steady Pace

2:00:58

49% of race

Time at Slower Pace

1:15:43

31% of race

Average Pace: 9:23 /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	F18-39	Seg. Overall	Seg. Females	Seg. F18-39
5K	3.11 mi	14208	3296	3296	14923	3490	3490
10K	3.10 mi	12416+1792	2757+539	2757+539	10977	2263	2263
15K	3.11 mi	13314-898	3017-260	3017-260	14923	3490	3490
20K	3.11 mi	14116-802	3267-250	3267-250	16197	3961	3961
Half(13.10 mi)	0.67 mi	14457-341	3381-114	3381-114	20090	5327	5327
25K	2.43 mi	15401-944	3714-333	3714-333	20624	5625	5625
30K	3.11 mi	15775-374	3909-195	3909-195	18572	5098	5098
35K	3.11 mi	18012-2237	4763-854	4763-854	28338	9689	9689
40K	3.10 mi	22569-4557	6624-1861	6624-1861	44680	18026	18026
Finish(26.22 mi)	1.37 mi	22244+325	6568+56	6568+56	18313	5926	5926

5926

Passing Analysis

Category:

▼Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 5K	-	#14208
5K → 10K	161808*+1792	#14208 → #12416
10K → 15K	20081-898	#12416 → #13314
15K → 20K	20075-802	#13314 → #14116
20K → Half	20015-341	#14116 → #14457
Half → 25K	20072-944	#14457 → #15401
25K → 30K	623249-374	#15401 → #15775
30K → 35K	20080-2237	#15775 → #18012
35K → 40K	20029-4557	#18012 → #22569
40K → Finish	32357*+325	#22569 → #22244
TOTALS	18712766*-8036	#14208 → #22244

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

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