Megan Speirs

Bib: 8404 F GB

0:00
0:00
/ mi
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Overall
#0 / 59786
Gender (Female)
#0 / 26115
Top 42%
Division (F18-39)
#0 / 14744
Top 44%
Race Day Weather
56°/46°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:39/mi
26:50
49125
10K· 6.21 mi
8:40/mi
53:45
5081
15K· 9.32 mi
9:02/mi
1:21:48
4451
20K· 12.43 mi
9:21/mi
1:50:49
6740
Half· 13.10 mi
10:04/mi
1:57:34
27
25K· 15.53 mi
9:53/mi
2:21:38
5063
30K· 18.64 mi
11:19/mi
2:56:45
6946
35K· 21.75 mi
12:26/mi
3:35:20
8788
40K· 24.85 mi
14:18/mi
4:19:43
5875
Finish· 26.22 mi
13:08/mi
4:37:37
1418
Course Elevation
6172 ft
×14story building
503 ft climb · 613 ft descent

The Course

Half Splits

1st Half· via Half
1:57:348:59 /mi⚡ faster
2nd Half
2:40:0312:12 /mi+36.1%
Positive split — 36.1% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
26:508:393.11 mi26:50
8:39
-
10K
53:458:403.10 mi26:55
8:40
+0:01
15K
1:21:488:473.11 mi28:03
9:02
+0:22
20K
1:50:498:563.11 mi29:01
9:21
+0:19
Half(13.10 mi)
1:57:348:590.67 mi6:45
10:04
+0:43
25K
2:21:389:082.43 mi24:04
9:53
-0:11
30K
2:56:459:293.11 mi35:07
11:19
+1:26
35K
3:35:209:553.11 mi38:35
12:26
+1:07
40K
4:19:4310:273.10 mi44:23
14:18
+1:52
Finish(26.22 mi)
4:37:3710:361.37 mi17:54
13:08
-1:10
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:39 /mi

Average Pace

10:36 /mi

Slowest Pace

14:18 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:21:48

29% of race

Time at Steady Pace

59:50

22% of race

Time at Slower Pace

2:15:59

49% of race

Average Pace: 10:35 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi21607574657462172557655765
10K3.10 mi20798+8095484+2625484+2622022652925292
15K3.11 mi21093-2955562-785562-782172557655765
20K3.11 mi22622-15296107-5456107-5452763979557955
Half(13.10 mi)0.67 mi23155-5336288-1816288-1813109495969596
25K2.43 mi24311-11566748-4606748-4602848286318631
30K3.11 mi26842-25317827-10797827-1079347051203212032
35K3.11 mi28667-18258816-9898816-989374101404214042
40K3.10 mi32084-341710549-173310549-1733496202055120551
Finish(26.22 mi)1.37 mi32920-83611006-45711006-457471751925619256

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×10story building
+49ft-125ft

Overall

21725

Females

5765

F18-39

5765

5K→10K

3.1 - 6.2 mi

Top 34%
×4story building
+50ft-81ft

Overall

20226

Females

5292

F18-39

5292

10K→15K

6.2 - 9.3 mi

Top 36%
×1story
+44ft-51ft

Overall

21725

Females

5765

F18-39

5765

15K→20K

9.3 - 12.4 mi

Top 46%
×3story building
+67ft-40ft

Overall

27639

Females

7955

F18-39

7955

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+8ft-27ft

Overall

31094

Females

9596

F18-39

9596

Half→25K

13.1 - 15.5 mi

Top 48%
×2story building
+50ft-63ft

Overall

28482

Females

8631

F18-39

8631

25K→30K

15.5 - 18.6 mi

Top 58%
×2story building
+69ft-46ft

Overall

34705

Females

12032

F18-39

12032

30K→35K

18.6 - 21.8 mi

Top 63%
×2story building
+87ft-88ft

Overall

37410

Females

14042

F18-39

14042

35K→40K

21.8 - 24.9 mi

Top 83%
×3story building
+58ft-75ft

Overall

49620

Females

20551

F18-39

20551

40K→Finish

24.9 - 26.2 mi

Top 79%
×1story
+14ft-18ft

Overall

47175

Females

19256

F18-39

19256

Passing Analysis

Category:
Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#21607
5K10K
2001009*+809
#21607 #20798
10K15K
200200-295
#20798 #21093
15K20K
20085-1529
#21093 #22622
20KHalf
20022-533
#22622 #23155
Half25K
200163-1156
#23155 #24311
25K30K
2654123-2531
#24311 #26842
30K35K
200168-1825
#26842 #28667
35K40K
20050-3417
#28667 #32084
40KFinish
20059-836
#32084 #32920
TOTALS
42541879*-11313
#21607 #32920

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

Passing Visualized

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Public Race Data

London Marathon Events

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Mika Timing

Mika Timing