Teresa Duncan

Bib: 13056 F US

0:00
0:00
/ mi
Masters
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Overall
#0 / 59786
Top 17%
Gender (Female)
#0 / 26115
Top 9%
Masters (Masters Women)
#0 / 11371
Top 6%
Division (F40-44)
#0 / 3355
Top 11%
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
7:55/mi
24:34
49125
10K· 6.21 mi
7:59/mi
49:22
5081
15K· 9.32 mi
8:11/mi
1:14:46
4451
20K· 12.43 mi
7:53/mi
1:39:14
6740
Half· 13.10 mi
8:11/mi
1:44:43
27
25K· 15.53 mi
8:07/mi
2:04:27
5063
30K· 18.64 mi
8:16/mi
2:30:08
6946
35K· 21.75 mi
8:20/mi
2:55:59
8788
40K· 24.85 mi
8:05/mi
3:21:03
5875
Finish· 26.22 mi
7:42/mi
3:31:32
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
1:44:438:00 /mi⚡ faster
2nd Half
1:46:498:09 /mi+2.0%
Positive split — 2.0% slower in the second half
AI Race Performance Report

Teresa'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
24:347:553.11 mi24:34
7:55
-
10K
49:227:573.10 mi24:48
7:59
+0:04
15K
1:14:468:023.11 mi25:24
8:11
+0:12
20K
1:39:148:003.11 mi24:28
7:53
-0:18
Half(13.10 mi)
1:44:438:000.67 mi5:29
8:11
+0:18
25K
2:04:278:012.43 mi19:44
8:07
-0:04
30K
2:30:088:043.11 mi25:41
8:16
+0:09
35K
2:55:598:063.11 mi25:51
8:20
+0:04
40K
3:21:038:063.10 mi25:04
8:05
-0:15
Finish(26.22 mi)
3:31:328:051.37 mi10:29
7:42
-0:23
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Teresa's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

7:42 /mi

Average Pace

8:04 /mi

Slowest Pace

8:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:49:23

52% of race

Time at Steady Pace

1:42:09

48% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:04 /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. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi12989289628961295628662866
10K3.10 mi12810+1792877+192877+191276228732873
15K3.11 mi12772+382853+242853+241295628662866
20K3.11 mi12442+3302749+1042749+1041164124612461
Half(13.10 mi)0.67 mi12434+82740+92740+91258927622762
25K2.43 mi12317+1172722+182722+181232327542754
30K3.11 mi12021+2962671+512671+511132825392539
35K3.11 mi11411+6102541+1302541+130965422002200
40K3.10 mi10592+8192369+1722369+172741916521652
Finish(26.22 mi)1.37 mi10209+3832269+1002269+100580011701170

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
131 ft55 ft
49ft125ft
117 ft

Overall

12956

Females

2866

F40-44

2866

5K→10K

3.1 - 6.2 mi

Top 21%
55 ft24 ft
50ft81ft
45 ft

Overall

12762

Females

2873

F40-44

2873

10K→15K

6.2 - 9.3 mi

Top 22%
24 ft18 ft
44ft51ft
17 ft

Overall

12956

Females

2866

F40-44

2866

15K→20K

9.3 - 12.4 mi

Top 19%
18 ft45 ft
67ft40ft
38 ft

Overall

11641

Females

2461

F40-44

2461

20K→Half

12.4 - 13.1 mi

Top 21%
45 ft26 ft
8ft27ft
20 ft

Overall

12589

Females

2762

F40-44

2762

Half→25K

13.1 - 15.5 mi

Top 21%
25 ft12 ft
50ft63ft
20 ft

Overall

12323

Females

2754

F40-44

2754

25K→30K

15.5 - 18.6 mi

Top 19%
12 ft35 ft
69ft46ft
28 ft

Overall

11328

Females

2539

F40-44

2539

30K→35K

18.6 - 21.8 mi

Top 16%
35 ft34 ft
87ft88ft
23 ft

Overall

9654

Females

2200

F40-44

2200

35K→40K

21.8 - 24.9 mi

Top 12%
34 ft17 ft
58ft75ft
31 ft

Overall

7419

Females

1652

F40-44

1652

40K→Finish

24.9 - 26.2 mi

Top 10%
17 ft13 ft
14ft18ft
13 ft

Overall

5800

Females

1170

F40-44

1170

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing