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LONDON MARATHON MASS 2026

Claire Southern

Bib: 37133 •X •Age: N/A

TCS London Marathon 2026 logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 59786
Gender (Other)
#0 / 77
Age Group (X40-44)
#0 / 10
Race Day Weather
56°/46°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
32:08
3.11 mi
Rank: #42293
Start → 5K
32:08 | 10:21/mi
10K
1:06:48
6.21 mi
Rank: #44690 (-2397)
5K → 10K
34:40 | 11:10/mi
15K
1:41:52
9.32 mi
Rank: #44298 (+392)
10K → 15K
35:04 | 11:18/mi
20K
2:17:42
12.43 mi
Rank: #44546 (-248)
15K → 20K
35:50 | 11:33/mi
Half
2:25:17
13.10 mi
Rank: #44310 (+236)
20K → Half
7:35 | 11:19/mi
25K
2:58:27
15.53 mi
Rank: #45748 (-1438)
Half → 25K
33:10 | 13:37/mi
30K
3:37:52
18.64 mi
Rank: #45167 (+581)
25K → 30K
39:25 | 12:42/mi
35K
4:16:23
21.75 mi
Rank: #43864 (+1303)
30K → 35K
38:31 | 12:24/mi
40K
4:53:51
24.85 mi
Rank: #42921 (+943)
35K → 40K
37:28 | 12:04/mi
Finish
5:10:21
26.22 mi
Rank: #42762 (+159)
40K → Finish
16:30 | 12:06/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:25:17
Pace11:06 /mi
2nd Half
Distance13.12 mi
Time2:45:04
Pace12:35 /mi
📊Positive Split: 13.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3132:0810:2132:08
10:21
-
10K
6.21 mi11:24:111:06:4810:4634:40
11:10
+0:49
15K
9.32 mi11:59:151:41:5210:5635:04
11:18
+0:08
20K
12.43 mi12:35:052:17:4211:0535:50
11:33
+0:15
Half
13.10 mi12:42:402:25:1711:067:35
11:19
-0:14
25K
15.53 mi13:15:502:58:2711:3033:10
13:37
+2:18
30K
18.64 mi13:55:153:37:5211:4239:25
12:42
-0:55
35K
21.75 mi14:33:464:16:2311:4838:31
12:24
-0:18
40K
24.85 mi15:11:144:53:5111:5037:28
12:04
-0:20
Finish
26.22 mi15:27:445:10:2111:5116:30
12:06
+0:02

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

10:21 /mi

Average Pace

11:51 /mi

Slowest Pace

13:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:25:17

47% of race

Time at Steady Pace

1:32:29

30% of race

Time at Slower Pace

1:12:35

23% of race

Average Pace: 11:50 /mi

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

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

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

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:49:3132:0810:2132:08
10:21
#42293
10K
6.21 mi11:24:111:06:4810:4634:40
11:10
#44690
15K
9.32 mi11:59:151:41:5210:5635:04
11:18
#44298
20K
12.43 mi12:35:052:17:4211:0535:50
11:33
#44546
Half
13.10 mi12:42:402:25:1711:067:35
11:19
#44310
25K
15.53 mi13:15:502:58:2711:3033:10
13:37
#45748
30K
18.64 mi13:55:153:37:5211:4239:25
12:42
#45167
35K
21.75 mi14:33:464:16:2311:4838:31
12:24
#43864
40K
24.85 mi15:11:144:53:5111:5037:28
12:04
#42921
Finish
26.22 mi15:27:445:10:2111:5116:30
12:06
#42762
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallXX40-44Seg. OverallSeg. XSeg. X40-44
5K3.11 mi3.11 mi42293555543839(Top 73%)55(Top 71%)55(Top 550%)
10K6.21 mi3.10 mi44690-239756-156-146730(Top 78%)61(Top 79%)61(Top 610%)
15K9.32 mi3.11 mi44298+39258-258-243839(Top 73%)55(Top 71%)55(Top 550%)
20K12.43 mi3.11 mi44546-24857+157+145342(Top 76%)56(Top 73%)56(Top 560%)
Half13.10 mi0.67 mi44310+23656+156+141236(Top 69%)51(Top 66%)51(Top 510%)
25K15.53 mi2.43 mi45748-143857-157-149857(Top 83%)61(Top 79%)61(Top 610%)
30K18.64 mi3.11 mi45167+58156+156+142800(Top 72%)54(Top 70%)54(Top 540%)
35K21.75 mi3.11 mi43864+130354+254+237281(Top 62%)48(Top 62%)48(Top 480%)
40K24.85 mi3.10 mi42921+943545435909(Top 60%)46(Top 60%)46(Top 460%)
Finish26.22 mi1.37 mi42762+159545440479(Top 68%)49(Top 64%)49(Top 490%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×10
+49ft-125ft

Overall

43839

X

55

X40-44

55

5K→10K

3.1 - 6.2 mi

Top 78%
×4
+50ft-81ft

Overall

46730

X

61

X40-44

61

10K→15K

6.2 - 9.3 mi

Top 73%
×1
+44ft-51ft

Overall

43839

X

55

X40-44

55

15K→20K

9.3 - 12.4 mi

Top 76%
×3
+67ft-40ft

Overall

45342

X

56

X40-44

56

20K→Half

12.4 - 13.1 mi

Top 69%
×2
+8ft-27ft

Overall

41236

X

51

X40-44

51

Half→25K

13.1 - 15.5 mi

Top 83%
×2
+50ft-63ft

Overall

49857

X

61

X40-44

61

25K→30K

15.5 - 18.6 mi

Top 72%
×2
+69ft-46ft

Overall

42800

X

54

X40-44

54

30K→35K

18.6 - 21.8 mi

Top 62%
×2
+87ft-88ft

Overall

37281

X

48

X40-44

48

35K→40K

21.8 - 24.9 mi

Top 60%
×3
+58ft-75ft

Overall

35909

X

46

X40-44

46

40K→Finish

24.9 - 26.2 mi

Top 68%
×1
+14ft-18ft

Overall

40479

X

49

X40-44

49

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4819*
Passed By
1225
Net Change
-469
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#42293
5K → 10K200200-2397#42293#44690
10K → 15K592*200+392#44690#44298
15K → 20K200200-248#44298#44546
20K → Half261*25+236#44546#44310
Half → 25K180200-1438#44310#45748
25K → 30K781*200+581#45748#45167
30K → 35K1362*59+1303#45167#43864
35K → 40K1003*60+943#43864#42921
40K → Finish240*81+159#42921#42762
TOTALS4819*1225-469

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

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

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