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LONDON MARATHON MASS 2026

Sarah Jamieson

Bib: 9752•F

0:00
0:00
/ mi
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Overall
#0 / 59786
Gender (Female)
#0 / 26115
Top 48%
Division (F18-39)
#0 / 14744
Race Day Weather
56°/46°F
overcast clouds

⏱️ Race Timeline

Course Elevation
6–172 ft
≈
×14story building
•▲ 503 ft climb · ▼ 613 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:19/mi
28:56
↑ 49↓ 1250.5%
10K· 6.21 mi
9:35/mi
58:42
↑ 50↓ 810.2%
15K· 9.32 mi
10:35/mi
1:31:32
↑ 44↓ 51
20K· 12.43 mi
10:44/mi
2:04:50
↑ 67↓ 400.2%
Half· 13.10 mi
11:16/mi
2:12:23
↓ 270.6%
25K· 15.53 mi
11:27/mi
2:40:15
↑ 50↓ 630.1%
30K· 18.64 mi
12:07/mi
3:17:53
↑ 69↓ 460.1%
35K· 21.75 mi
12:17/mi
3:56:00
↑ 87↓ 88
40K· 24.85 mi
12:17/mi
4:34:09
↑ 58↓ 750.1%
Finish· 26.22 mi
10:44/mi
4:48:47
↑ 14↓ 18

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.10 mi
Time2:12:23
Pace10:07 /mi
2nd Half
Distance13.12 mi
Time2:36:24
Pace11:56 /mi
📊Positive Split: 18.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:42:2528:569:1928:56
9:19
-
10K
6.21 mi11:12:1158:429:2729:46
9:35
+0:16
15K
9.32 mi11:45:011:31:329:5032:50
10:35
+1:00
20K
12.43 mi12:18:192:04:5010:0333:18
10:44
+0:09
Half
13.10 mi12:25:522:12:2310:077:33
11:16
+0:32
25K
15.53 mi12:53:442:40:1510:1927:52
11:27
+0:11
30K
18.64 mi13:31:223:17:5310:3737:38
12:07
+0:40
35K
21.75 mi14:09:293:56:0010:5238:07
12:17
+0:10
40K
24.85 mi14:47:384:34:0911:0238:09
12:17
0:00
Finish
26.22 mi15:02:164:48:4711:0214:38
10:44
-1:33

Checkpoints & Pacing

📈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

9:19 /mi

Average Pace

11:01 /mi

Slowest Pace

12:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:28

48% of race

Time at Steady Pace

35:25

12% of race

Time at Slower Pace

1:53:54

39% of race

Average Pace: 11:01 /mi

Loading chart...
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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:42:2528:569:1928:56
9:19
#31195
10K
6.21 mi11:12:1158:429:2729:46
9:35
#31733
15K
9.32 mi11:45:011:31:329:5032:50
10:35
#33960
20K
12.43 mi12:18:192:04:5010:0333:18
10:44
#35392
Half
13.10 mi12:25:522:12:2310:077:33
11:16
#35678
25K
15.53 mi12:53:442:40:1510:1927:52
11:27
#36491
30K
18.64 mi13:31:223:17:5310:3737:38
12:07
#37165
35K
21.75 mi14:09:293:56:0010:5238:07
12:17
#37021
40K
24.85 mi14:47:384:34:0911:0238:09
12:17
#37034
Finish
26.22 mi15:02:164:48:4711:0214:38
10:44
#36578
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi311959307930738010(Top 64%)12509(Top 48%)12509(Top 85%)
10K6.21 mi3.10 mi31733-5389512-2059512-20532406(Top 54%)9828(Top 38%)9828(Top 67%)
15K9.32 mi3.11 mi33960-222710470-95810470-95838010(Top 64%)12509(Top 48%)12509(Top 85%)
20K12.43 mi3.11 mi35392-143211222-75211222-75239616(Top 66%)13608(Top 52%)13608(Top 92%)
Half13.10 mi0.67 mi35678-28611397-17511397-17540898(Top 68%)14537(Top 56%)14537(Top 99%)
25K15.53 mi2.43 mi36491-81311928-53111928-53139870(Top 67%)14188(Top 54%)14188(Top 96%)
30K18.64 mi3.11 mi37165-67412447-51912447-51939679(Top 66%)14576(Top 56%)14576(Top 99%)
35K21.75 mi3.11 mi37021+14412587-14012587-14036505(Top 61%)13623(Top 52%)13623(Top 92%)
40K24.85 mi3.10 mi37034-1312808-22112808-22137453(Top 63%)14516(Top 56%)14516(Top 98%)
Finish26.22 mi1.37 mi36578+45612661+14712661+14729239(Top 49%)10647(Top 41%)10647(Top 72%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×10story building
+49ft-125ft

Overall

38010

Females

12509

F18-39

12509

5K→10K

3.1 - 6.2 mi

Top 54%
×4story building
+50ft-81ft

Overall

32406

Females

9828

F18-39

9828

10K→15K

6.2 - 9.3 mi

Top 64%
×1story
+44ft-51ft

Overall

38010

Females

12509

F18-39

12509

15K→20K

9.3 - 12.4 mi

Top 66%
×3story building
+67ft-40ft

Overall

39616

Females

13608

F18-39

13608

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+8ft-27ft

Overall

40898

Females

14537

F18-39

14537

Half→25K

13.1 - 15.5 mi

Top 67%
×2story building
+50ft-63ft

Overall

39870

Females

14188

F18-39

14188

25K→30K

15.5 - 18.6 mi

Top 66%
×2story building
+69ft-46ft

Overall

39679

Females

14576

F18-39

14576

30K→35K

18.6 - 21.8 mi

Top 61%
×2story building
+87ft-88ft

Overall

36505

Females

13623

F18-39

13623

35K→40K

21.8 - 24.9 mi

Top 63%
×3story building
+58ft-75ft

Overall

37453

Females

14516

F18-39

14516

40K→Finish

24.9 - 26.2 mi

Top 49%
×1story
+14ft-18ft

Overall

29239

Females

10647

F18-39

10647

Passing Analysis

Category:
Athletes Passed
2986
Passed By
8369
Net Change
-5383
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#31195
5K → 10K4761014-538#31195#31733
10K → 15K932320-2227#31733#33960
15K → 20K1481580-1432#33960#35392
20K → Half60346-286#35392#35678
Half → 25K2641077-813#35678#36491
25K → 30K3761050-674#36491#37165
30K → 35K599455+144#37165#37021
35K → 40K484497-13#37021#37034
40K → Finish48630+456#37034#36578
TOTALS29868369-5383
📊

Passing Visuals

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