TCS London Marathon 2026 logo
LONDON MARATHON MASS 2026

Shannon Grealis

Bib: 7570 F GB

0:00
0:00
/ mi
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Overall
#0 / 59786
Gender (Female)
#0 / 26115
Division (F18-39)
#0 / 14744
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
8:26/mi
26:10
↑ 49↓ 125
10K· 6.21 mi
9:33/mi
55:49
↑ 50↓ 81
15K· 9.32 mi
10:27/mi
1:28:15
↑ 44↓ 51
20K· 12.43 mi
11:33/mi
2:04:08
↑ 67↓ 40
Half· 13.10 mi
21:24/mi
2:18:29
↓ 27
25K· 15.53 mi
12:59/mi
2:50:05
↑ 50↓ 63
30K· 18.64 mi
17:46/mi
3:45:15
↑ 69↓ 46
35K· 21.75 mi
19:41/mi
4:46:22
↑ 87↓ 88
40K· 24.85 mi
22:11/mi
5:55:15
↑ 58↓ 75
Finish· 26.22 mi
15:13/mi
6:15:59
↑ 14↓ 18
Course Elevation
6–172 ft
≈
×14story building
•▲ 503 ft climb · ▼ 613 ft descent

The Course

Half Splits

1st Half· via Half
2:18:2910:35 /mi⚡ faster
2nd Half
3:57:3018:07 /mi+71.5%
Positive split — 71.5% 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
26:108:263.11 mi26:10
8:26
-
10K
55:498:593.10 mi29:39
9:33
+1:07
15K
1:28:159:293.11 mi32:26
10:27
+0:54
20K
2:04:0810:003.11 mi35:53
11:33
+1:06
Half(13.10 mi)
2:18:2910:350.67 mi14:21
21:24
+9:51
25K
2:50:0510:572.43 mi31:36
12:59
-8:25
30K
3:45:1512:063.11 mi55:10
17:46
+4:47
35K
4:46:2213:113.11 mi1:01:07
19:41
+1:55
40K
5:55:1514:183.10 mi1:08:53
22:11
+2:30
Finish(26.22 mi)
6:15:5914:221.37 mi20:44
15:13
-6:58
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:26 /mi

Average Pace

14:21 /mi

Slowest Pace

22:11 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:04:08

33% of race

Time at Steady Pace

52:20

14% of race

Time at Slower Pace

3:19:31

53% of race

Average Pace: 14:20 /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 mi1889647974797368041191111911
10K3.10 mi25259-63637058-22617058-22613197096409640
15K3.11 mi30316-50578947-18898947-1889368041191111911
20K3.11 mi34913-459710996-204910996-2049454311687116871
Half(13.10 mi)0.67 mi39943-503013542-254613542-2546595752599025990
25K2.43 mi41726-178314612-107014612-1070474211842618426
30K3.11 mi47471-574518066-345418066-3454578772487124871
35K3.11 mi51258-378720494-242820494-2428589602563125631
40K3.10 mi54682-342422676-218222676-2182595412597025970
Finish(26.22 mi)1.37 mi54773-9122763-8722763-87548662336823368

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×10story building
+49ft-125ft

Overall

36804

Females

11911

F18-39

11911

5K→10K

3.1 - 6.2 mi

Top 53%
×4story building
+50ft-81ft

Overall

31970

Females

9640

F18-39

9640

10K→15K

6.2 - 9.3 mi

Top 62%
×1story
+44ft-51ft

Overall

36804

Females

11911

F18-39

11911

15K→20K

9.3 - 12.4 mi

Top 76%
×3story building
+67ft-40ft

Overall

45431

Females

16871

F18-39

16871

20K→Half

12.4 - 13.1 mi

Top 100%
×2story building
+8ft-27ft

Overall

59575

Females

25990

F18-39

25990

Half→25K

13.1 - 15.5 mi

Top 79%
×2story building
+50ft-63ft

Overall

47421

Females

18426

F18-39

18426

25K→30K

15.5 - 18.6 mi

Top 97%
×2story building
+69ft-46ft

Overall

57877

Females

24871

F18-39

24871

30K→35K

18.6 - 21.8 mi

Top 99%
×2story building
+87ft-88ft

Overall

58960

Females

25631

F18-39

25631

35K→40K

21.8 - 24.9 mi

Top 100%
×3story building
+58ft-75ft

Overall

59541

Females

25970

F18-39

25970

40K→Finish

24.9 - 26.2 mi

Top 92%
×1story
+14ft-18ft

Overall

54866

Females

23368

F18-39

23368

Passing Analysis

Category:
▼Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#18896
5K → 10K
20024-6363
#18896 → #25259
10K → 15K
20026-5057
#25259 → #30316
15K → 20K
20014-4597
#30316 → #34913
20K → Half
2001-5030
#34913 → #39943
Half → 25K
200141-1783
#39943 → #41726
25K → 30K
576520-5745
#41726 → #47471
30K → 35K
20019-3787
#47471 → #51258
35K → 40K
20011-3424
#51258 → #54682
40K → Finish
14857-91
#54682 → #54773
TOTALS
7313313-35877
#18896 → #54773

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

London Marathon Events

Mika Timing

Mika Timing