Sarah Leff

Bib: 75892 F US

0:00
0:00
/ mi
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Overall
#0 / 59786
Top 8%
Gender (Female)
#0 / 26115
Top 2%
Division (F18-39)
#0 / 14744
Top 3%
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
6:57/mi
21:34
49125
10K· 6.21 mi
7:01/mi
43:21
5081
15K· 9.32 mi
7:17/mi
1:05:57
4451
20K· 12.43 mi
7:12/mi
1:28:17
6740
Half· 13.10 mi
7:29/mi
1:33:18
27
25K· 15.53 mi
7:21/mi
1:51:11
5063
30K· 18.64 mi
7:25/mi
2:14:11
6946
35K· 21.75 mi
7:29/mi
2:37:25
8788
40K· 24.85 mi
7:19/mi
3:00:08
5875
Finish· 26.22 mi
7:04/mi
3:09:45
1418
Course Elevation
6172 ft
×14story building
503 ft climb · 613 ft descent

The Course

Half Splits

1st Half· via Half
1:33:187:08 /mi⚡ faster
2nd Half
1:36:277:22 /mi+3.4%
Positive split — 3.4% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
21:346:573.11 mi21:34
6:57
-
10K
43:216:593.10 mi21:47
7:01
+0:04
15K
1:05:577:053.11 mi22:36
7:17
+0:16
20K
1:28:177:073.11 mi22:20
7:12
-0:05
Half(13.10 mi)
1:33:187:080.67 mi5:01
7:29
+0:17
25K
1:51:117:102.43 mi17:53
7:21
-0:08
30K
2:14:117:123.11 mi23:00
7:25
+0:04
35K
2:37:257:153.11 mi23:14
7:29
+0:04
40K
3:00:087:153.10 mi22:43
7:19
-0:10
Finish(26.22 mi)
3:09:457:151.37 mi9:37
7:04
-0:15
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:57 /mi

Average Pace

7:15 /mi

Slowest Pace

7:29 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:37:54

52% of race

Time at Steady Pace

1:31:51

48% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:14 /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 mi55486046045950673673
10K3.10 mi5562-14596+8596+85600585585
15K3.11 mi5699-137625-29625-295950673673
20K3.11 mi5805-106638-13638-136292773773
Half(13.10 mi)0.67 mi5825-20647-9647-96854936936
25K2.43 mi5866-41676-29676-296385866866
30K3.11 mi5673+193650+26650+265453673673
35K3.11 mi5431+242630+20630+204906660660
40K3.10 mi5057+374592+38592+383810468468
Finish(26.22 mi)1.37 mi4867+190567+25567+253019359359

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×10story building
+49ft-125ft

Overall

5950

Females

673

F18-39

673

5K→10K

3.1 - 6.2 mi

Top 9%
×4story building
+50ft-81ft

Overall

5600

Females

585

F18-39

585

10K→15K

6.2 - 9.3 mi

Top 10%
×1story
+44ft-51ft

Overall

5950

Females

673

F18-39

673

15K→20K

9.3 - 12.4 mi

Top 11%
×3story building
+67ft-40ft

Overall

6292

Females

773

F18-39

773

20K→Half

12.4 - 13.1 mi

Top 11%
×2story building
+8ft-27ft

Overall

6854

Females

936

F18-39

936

Half→25K

13.1 - 15.5 mi

Top 11%
×2story building
+50ft-63ft

Overall

6385

Females

866

F18-39

866

25K→30K

15.5 - 18.6 mi

Top 9%
×2story building
+69ft-46ft

Overall

5453

Females

673

F18-39

673

30K→35K

18.6 - 21.8 mi

Top 8%
×2story building
+87ft-88ft

Overall

4906

Females

660

F18-39

660

35K→40K

21.8 - 24.9 mi

Top 6%
×3story building
+58ft-75ft

Overall

3810

Females

468

F18-39

468

40K→Finish

24.9 - 26.2 mi

Top 5%
×1story
+14ft-18ft

Overall

3019

Females

359

F18-39

359

Passing Analysis

Category:
Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#5548
5K10K
158144-14
#5548 #5562
10K15K
19659-137
#5562 #5699
15K20K
17165-106
#5699 #5805
20KHalf
3717-20
#5805 #5825
Half25K
12382-41
#5825 #5866
25K30K
59252+193
#5866 #5673
30K35K
50292+242
#5673 #5431
35K40K
25399+374
#5431 #5057
40KFinish
4194+190
#5057 #4867
TOTALS
8231504+681
#5548 #4867

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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