Leah Rosenkrantz

Bib: 54327 F US

0:00
0:00
/ mi
Masters
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Overall
#0 / 59786
Gender (Female)
#0 / 26115
Top 42%
Masters (Masters Women)
#0 / 11371
Top 41%
Division (F45-49)
#0 / 2995
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
8:34/mi
26:34
49125
10K· 6.21 mi
8:52/mi
54:05
5081
15K· 9.32 mi
9:07/mi
1:22:22
4451
20K· 12.43 mi
9:20/mi
1:51:20
6740
Half· 13.10 mi
9:49/mi
1:57:55
27
25K· 15.53 mi
9:53/mi
2:21:59
5063
30K· 18.64 mi
12:00/mi
2:59:14
6946
35K· 21.75 mi
13:08/mi
3:40:02
8788
40K· 24.85 mi
13:37/mi
4:22:19
5875
Finish· 26.22 mi
11:41/mi
4:38:14
1418
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
1:57:559:01 /mi⚡ faster
2nd Half
2:40:1912:14 /mi+36.0%
Positive split — 36.0% slower in the second half
AI Race Performance Report

Leah'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

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
26:348:343.11 mi26:34
8:34
-
10K
54:058:433.10 mi27:31
8:52
+0:18
15K
1:22:228:513.11 mi28:17
9:07
+0:15
20K
1:51:208:583.11 mi28:58
9:20
+0:13
Half(13.10 mi)
1:57:559:010.67 mi6:35
9:49
+0:29
25K
2:21:599:092.43 mi24:04
9:53
+0:04
30K
2:59:149:373.11 mi37:15
12:00
+2:07
35K
3:40:0210:083.11 mi40:48
13:08
+1:08
40K
4:22:1910:343.10 mi42:17
13:37
+0:29
Finish(26.22 mi)
4:38:1410:381.37 mi15:55
11:41
-1:56
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Leah's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:34 /mi

Average Pace

10:37 /mi

Slowest Pace

13:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

54:05

19% of race

Time at Steady Pace

1:27:54

32% of race

Time at Slower Pace

2:16:15

49% of race

Average Pace: 10:37 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi20477537253722260660776077
10K3.10 mi21513-10365718-3465718-3462262561506150
15K3.11 mi21799-2865804-865804-862260660776077
20K3.11 mi23152-13536277-4736277-4732746478887888
Half(13.10 mi)0.67 mi23528-3766405-1286405-1282900086548654
25K2.43 mi24621-10936859-4546859-4542848386328632
30K3.11 mi28108-34878370-15118370-1511389981422414224
35K3.11 mi30519-24119616-12469616-1246415311613116131
40K3.10 mi32983-246410942-132610942-1326460011868118681
Finish(26.22 mi)1.37 mi33132-14911092-15011092-150372131435214352

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
131 ft55 ft
49ft125ft
117 ft

Overall

22606

Females

6077

F45-49

6077

5K→10K

3.1 - 6.2 mi

Top 38%
55 ft24 ft
50ft81ft
45 ft

Overall

22625

Females

6150

F45-49

6150

10K→15K

6.2 - 9.3 mi

Top 38%
24 ft18 ft
44ft51ft
17 ft

Overall

22606

Females

6077

F45-49

6077

15K→20K

9.3 - 12.4 mi

Top 46%
18 ft45 ft
67ft40ft
38 ft

Overall

27464

Females

7888

F45-49

7888

20K→Half

12.4 - 13.1 mi

Top 49%
45 ft26 ft
8ft27ft
20 ft

Overall

29000

Females

8654

F45-49

8654

Half→25K

13.1 - 15.5 mi

Top 48%
25 ft12 ft
50ft63ft
20 ft

Overall

28483

Females

8632

F45-49

8632

25K→30K

15.5 - 18.6 mi

Top 65%
12 ft35 ft
69ft46ft
28 ft

Overall

38998

Females

14224

F45-49

14224

30K→35K

18.6 - 21.8 mi

Top 69%
35 ft34 ft
87ft88ft
23 ft

Overall

41531

Females

16131

F45-49

16131

35K→40K

21.8 - 24.9 mi

Top 77%
34 ft17 ft
58ft75ft
31 ft

Overall

46001

Females

18681

F45-49

18681

40K→Finish

24.9 - 26.2 mi

Top 62%
17 ft13 ft
14ft18ft
13 ft

Overall

37213

Females

14352

F45-49

14352

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing