All Results|Race Analytics|Course

Official Timing Data

Chicago Event Management

Chicago Event Management
CHI 2018

Ka Yan Wong

Bib: 63910 •F •Age: 30

Hong Kong

Bank of America Chicago Marathon logo
0:00
0:00
/ mi
BQNYC
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Overall
#0 / 44549
Top 0.3%
Gender (Female)
#0 / 20639
Top 12%
Age Group (F30-34)
#0 / 3421
Top 0.1%
Race Day Weather
58°/48°F
light rain

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
26:43
3.11 mi
Rank: #13070
Start → 5K
26:43 | 8:35/mi
10K
52:45
6.21 mi
Rank: #11843 (+1227)
5K → 10K
26:02 | 8:22/mi
15K
1:18:55
9.32 mi
Rank: #11815 (+28)
10K → 15K
26:10 | 8:25/mi
20K
1:45:23
12.43 mi
Rank: #11695 (+120)
15K → 20K
26:28 | 8:31/mi
Half
1:51:28
13.11 mi
Rank: #11764 (-69)
20K → Half
6:05 | 8:55/mi
25K
2:12:23
15.53 mi
Rank: #11442 (+322)
Half → 25K
20:55 | 8:37/mi
30K
2:38:39
18.64 mi
Rank: #10807 (+635)
25K → 30K
26:16 | 8:27/mi
35K
3:05:51
21.75 mi
Rank: #10335 (+472)
30K → 35K
27:12 | 8:45/mi
40K
3:33:36
24.85 mi
Rank: #9827 (+508)
35K → 40K
27:45 | 8:55/mi
Finish
26.22 mi
Rank: #128 (+9699)
40K → Finish
| -377:-18/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via Half
Distance13.11 mi
Time1:51:28
Pace8:30 /mi
2nd Half✓ Faster
Distance13.11 mi
Time
Pace-32:-22 /mi
📊Negative Split: 468.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi09:11:5226:438:3526:43
8:35
-
10K
6.21 mi09:37:5452:458:2926:02
8:22
-0:13
15K
9.32 mi10:04:041:18:558:2826:10
8:25
+0:03
20K
12.43 mi10:30:321:45:238:2826:28
8:31
+0:06
Half
13.11 mi10:36:371:51:288:306:05
8:55
+0:24
25K
15.53 mi10:57:322:12:238:3120:55
8:37
-0:18
30K
18.64 mi11:23:482:38:398:3026:16
8:27
-0:10
35K
21.75 mi11:51:003:05:518:3227:12
8:45
+0:18
40K
24.85 mi12:18:453:33:368:3527:45
8:55
+0:10
Finish
26.22 mi03:45:30-
-377:-18
-386:13

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. Green = fastest, yellow = moderate, red = slowest segments.

Fastest Pace

-378:-18 /mi

Average Pace

8:36 /mi

Slowest Pace

8:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Color indicates pace quality: green = fast pace, yellow = moderate, red = slow pace.

Time at Fast Pace

0% of race

Time at Moderate Pace

0:00

0% of race

Time at Slow Pace

0:00

0% of race

Average Pace: -12:-26 /mi

Loading chart...
Fast pace (< avg)
Moderate pace (≈ avg)
Slow pace (> avg)

🎨Heatmap

Pace Heatmap

Visual intensity map of your pacing throughout the race. Green = fastest, yellow = moderate, red = slowest.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Fast
Moderate
Slow

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 mi09:11:5226:438:3526:43
8:35
#13070
10K
6.21 mi09:37:5452:458:2926:02
8:22
#11843
15K
9.32 mi10:04:041:18:558:2826:10
8:25
#11815
20K
12.43 mi10:30:321:45:238:2826:28
8:31
#11695
Half
13.11 mi10:36:371:51:288:306:05
8:55
#11764
25K
15.53 mi10:57:322:12:238:3120:55
8:37
#11442
30K
18.64 mi11:23:482:38:398:3026:16
8:27
#10807
35K
21.75 mi11:51:003:05:518:3227:12
8:45
#10335
40K
24.85 mi12:18:453:33:368:3527:45
8:55
#9827
Finish
26.22 mi03:45:30-
-377:-18
#128
Fast pace
Moderate pace
Slow pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
5K3.11 mi3.11 mi13070342164911975(Top 27%)2967(Top 14%)579(Top 17%)
10K6.21 mi3.10 mi11843+12272960+461567+8210794(Top 24%)2560(Top 12%)506(Top 15%)
15K9.32 mi3.11 mi11815+282932+28565+211975(Top 27%)2967(Top 14%)579(Top 17%)
20K12.43 mi3.11 mi11695+1202863+69553+1211574(Top 26%)2806(Top 14%)540(Top 16%)
Half13.11 mi0.68 mi11764-692894-31559-613694(Top 31%)3700(Top 18%)696(Top 20%)
25K15.53 mi2.42 mi11442+3222804+90544+1510354(Top 23%)2463(Top 12%)476(Top 14%)
30K18.64 mi3.11 mi10807+6352611+193511+339123(Top 20%)2150(Top 10%)408(Top 12%)
35K21.75 mi3.11 mi10335+4722518+93489+228931(Top 20%)2280(Top 11%)440(Top 13%)
40K24.85 mi3.10 mi9827+5082420+98474+158117(Top 18%)2223(Top 11%)432(Top 13%)
Finish26.22 mi1.37 mi128+969911+24092+472---

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×1
+52ft-48ft

Overall

11975

Females

2967

F30-34

579

5K→10K

3.1 - 6.2 mi

Top 24%
×1
+25ft-36ft

Overall

10794

Females

2560

F30-34

506

10K→15K

6.2 - 9.3 mi

Top 27%
~flat
+13ft-13ft

Overall

11975

Females

2967

F30-34

579

15K→20K

9.3 - 12.4 mi

Top 26%
×2
+20ft-17ft

Overall

11574

Females

2806

F30-34

540

20K→Half

12.4 - 13.1 mi

Top 31%
×2
+11ft-5ft

Overall

13694

Females

3700

F30-34

696

Half→25K

13.1 - 15.5 mi

Top 23%
×1
+24ft-30ft

Overall

10354

Females

2463

F30-34

476

25K→30K

15.5 - 18.6 mi

Top 20%
×1
+13ft-13ft

Overall

9123

Females

2150

F30-34

408

30K→35K

18.6 - 21.8 mi

Top 20%
×1
+26ft-28ft

Overall

8931

Females

2280

F30-34

440

35K→40K

21.8 - 24.9 mi

Top 18%
×2
+17ft-11ft

Overall

8117

Females

2223

F30-34

432

40K→Finish

24.9 - 26.2 mi

×1
+8ft-5ft

Overall

-

Females

-

F30-34

-

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
13841*
Passed By
899
Net Change
+12942
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13070
5K → 10K1305*78+1227#13070#11843
10K → 15K228*200+28#11843#11815
15K → 20K282*162+120#11815#11695
20K → Half43112-69#11695#11764
Half → 25K386*64+322#11764#11442
25K → 30K688*53+635#11442#10807
30K → 35K587*115+472#10807#10335
35K → 40K620*112+508#10335#9827
40K → Finish9702*3+9699#9827#128
TOTALS13841*899+12942

* 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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

BQ

Boston Qualifying analysis available

NYC

NYC Marathon Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

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

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