Wonsuk Heo

Bib: 48743 M KR

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 59786
Top 22%
Gender (Male)
#0 / 33594
Top 29%
Masters (Masters Men)
#0 / 16876
Top 27%
Division (M40-44)
#0 / 4826
Top 34%
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
7:29/mi
23:13
49125
10K· 6.21 mi
8:17/mi
48:55
5081
15K· 9.32 mi
8:17/mi
1:14:37
4451
20K· 12.43 mi
8:14/mi
1:40:11
6740
Half· 13.10 mi
8:30/mi
1:45:53
27
25K· 15.53 mi
8:29/mi
2:06:31
5063
30K· 18.64 mi
8:33/mi
2:33:04
6946
35K· 21.75 mi
8:51/mi
3:00:33
8788
40K· 24.85 mi
9:15/mi
3:29:15
5875
Finish· 26.22 mi
8:59/mi
3:41:29
1418
Course Elevation
503ft
Total climb
166ft
Range
6 to 172 ft
613ft
Total descent
About the height of the Statue of Liberty

See every mile of your race

Add your watch's GPX to unlock per-mile pace, heart rate, and grade — mile by mile on this timeline.

Works with Garmin, Apple Watch, Strava, COROS, Suunto & more.

The Course

Half Splits

1st Half· via Half
1:45:538:06 /mi⚡ faster
2nd Half
1:55:368:49 /mi+9.2%
Positive split — 9.2% slower in the second half
Is this your race?

Unlock your AI Race Performance Report

Your Race Story, performance analysis & focus areas — built from your data, free when you claim.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
23:137:293.11 mi23:13
7:29
-
10K
48:557:533.10 mi25:42
8:17
+0:48
15K
1:14:378:013.11 mi25:42
8:17
0:00
20K
1:40:118:043.11 mi25:34
8:14
-0:03
Half(13.10 mi)
1:45:538:060.67 mi5:42
8:30
+0:16
25K
2:06:318:092.43 mi20:38
8:29
-0:01
30K
2:33:048:133.11 mi26:33
8:33
+0:04
35K
3:00:338:193.11 mi27:29
8:51
+0:18
40K
3:29:158:263.10 mi28:42
9:15
+0:24
Finish(26.22 mi)
3:41:298:281.37 mi12:14
8:59
-0:16
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:29 /mi

Average Pace

8:27 /mi

Slowest Pace

9:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

48:47

22% of race

Time at Steady Pace

1:44:17

47% of race

Time at Slower Pace

1:08:25

31% of race

Average Pace: 8:27 /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. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi878372587258140341082110821
10K3.10 mi11957-31749354-20969354-2096161391219512195
15K3.11 mi12572-6159763-4099763-409140341082110821
20K3.11 mi13367-79510321-55810321-558153331165311653
Half(13.10 mi)0.67 mi13483-11610397-7610397-76155081171511715
25K2.43 mi13830-34710629-23210629-232154821164811648
30K3.11 mi13604+22610421+20810421+208135181021610216
35K3.11 mi13313+29110117+30410117+3041320196679667
40K3.10 mi13346-339996+1219996+121153531059310593
Finish(26.22 mi)1.37 mi13280+669905+919905+91146761012810128

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
131 ft55 ft
49ft125ft
117 ft

Overall

14034

Males

10821

M40-44

10821

5K→10K

3.1 - 6.2 mi

Top 27%
55 ft24 ft
50ft81ft
45 ft

Overall

16139

Males

12195

M40-44

12195

10K→15K

6.2 - 9.3 mi

Top 23%
24 ft18 ft
44ft51ft
17 ft

Overall

14034

Males

10821

M40-44

10821

15K→20K

9.3 - 12.4 mi

Top 26%
18 ft45 ft
67ft40ft
38 ft

Overall

15333

Males

11653

M40-44

11653

20K→Half

12.4 - 13.1 mi

Top 26%
45 ft26 ft
8ft27ft
20 ft

Overall

15508

Males

11715

M40-44

11715

Half→25K

13.1 - 15.5 mi

Top 26%
25 ft12 ft
50ft63ft
20 ft

Overall

15482

Males

11648

M40-44

11648

25K→30K

15.5 - 18.6 mi

Top 23%
12 ft35 ft
69ft46ft
28 ft

Overall

13518

Males

10216

M40-44

10216

30K→35K

18.6 - 21.8 mi

Top 22%
35 ft34 ft
87ft88ft
23 ft

Overall

13201

Males

9667

M40-44

9667

35K→40K

21.8 - 24.9 mi

Top 26%
34 ft17 ft
58ft75ft
31 ft

Overall

15353

Males

10593

M40-44

10593

40K→Finish

24.9 - 26.2 mi

Top 25%
17 ft13 ft
14ft18ft
13 ft

Overall

14676

Males

10128

M40-44

10128

Passing Analysis

Category:
Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#8783
5K10K
318513-3174
#8783 #11957
10K15K
716101-615
#11957 #12572
15K20K
88186-795
#12572 #13367
20KHalf
14529-116
#13367 #13483
Half25K
490143-347
#13483 #13830
25K30K
241467+226
#13830 #13604
30K35K
239530+291
#13604 #13313
35K40K
419386-33
#13313 #13346
40KFinish
118184+66
#13346 #13280
TOTALS
64341939-4497
#8783 #13280

Passing Visualized

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Is this your race? Claim it to upload your GPX and export your data as yours.

Upload your GPX file

Add per-mile pace & heart rate — works with Garmin, Apple Watch, Strava & more.

Download your race track as a GPX or TCX file for Strava, Garmin Connect, or other apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing