Mark Blecha

Bib: 496β€’Mβ€’Age: 45

Hometown, IL

Chicago 13.1 logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 7907
Gender (Male)
#0 / 3976
Masters (Masters Men)
#0 / 1380
Age Group (M45-49)
Official
#0 / 333
Calculated (M45-49)
#0 / 333
Race Day Weather
79Β°/69Β°F
scattered 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
28:39
3.11 mi
Rank: #2967
Start β†’ 5K
28:39 | 9:14/mi
8K
46:32
4.97 mi
Rank: #3243 (-276)
5K β†’ 8K
17:53 | 9:36/mi
10K
1:00:18
6.21 mi
Rank: #3727 (-484)
8K β†’ 10K
13:46 | 11:05/mi
15K
1:41:16
9.32 mi
Rank: #5166 (-1439)
10K β†’ 15K
40:58 | 13:12/mi
FINISH
2:30:09
13.11 mi
Rank: #5682 (-516)
15K β†’ FINISH
48:53 | 12:55/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:34:3328:399:1428:39
9:14
-
8K
4.97 mi07:52:2646:329:2217:53
9:36
+0:22
10K
6.21 mi08:06:121:00:189:4313:46
11:05
+1:29
15K
9.32 mi08:47:101:41:1610:5240:58
13:12
+2:07
FINISH
13.11 mi09:36:032:30:0911:2848:53
12:55
-0:17

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

9:14 /mi

Average Pace

11:27 /mi

Slowest Pace

13:12 /mi

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Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

46:32

31% of race

Time at Steady Pace

13:46

9% of race

Time at Slower Pace

1:29:51

60% of race

Average Pace: 11:27 /mi

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Faster pace (< avg)
Steady pace (β‰ˆ 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.

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0mi3.3mi6.6mi9.8mi13.1mi
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 mi07:34:3328:399:1428:39
9:14
#2967
8K
4.97 mi07:52:2646:329:2217:53
9:36
#3243
10K
6.21 mi08:06:121:00:189:4313:46
11:05
#3727
15K
9.32 mi08:47:101:41:1610:5240:58
13:12
#5166
FINISH
13.11 mi09:36:032:30:0911:2848:53
12:55
#5682
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi296720801566804(Top 86%)3660(Top 92%)300(Top 90%)
8K4.97 mi1.86 mi3243-2762237-157171-153688(Top 47%)2475(Top 62%)196(Top 59%)
10K6.21 mi1.24 mi3727-4842503-266191-205444(Top 69%)3219(Top 81%)251(Top 75%)
15K9.32 mi3.11 mi5166-14393117-614248-576804(Top 86%)3660(Top 92%)300(Top 90%)
FINISH13.11 mi3.79 mi5682-5163276-159260-126453(Top 82%)3498(Top 88%)278(Top 83%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
Γ—2
+11ft-21ft

Overall

6804

Males

3660

M45-49

300

5K→8K

3.1 - 5.0 mi

Top 47%
Γ—2
+13ft-3ft

Overall

3688

Males

2475

M45-49

196

8K→10K

5.0 - 6.2 mi

Top 69%
Γ—1
+8ft-7ft

Overall

5444

Males

3219

M45-49

251

10K→15K

6.2 - 9.3 mi

Top 86%
Γ—1
+19ft-22ft

Overall

6804

Males

3660

M45-49

300

15K→FINISH

9.3 - 13.1 mi

Top 82%
Γ—1
+24ft-20ft

Overall

6453

Males

3498

M45-49

278

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
57
Passed By
2772
Net Change
-2715
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#2967
5K β†’ 8K32308-276#2967#3243
8K β†’ 10K5489-484#3243#3727
10K β†’ 15K11440-1439#3727#5166
15K β†’ FINISH19535-516#5166#5682
TOTALS572772-2715
πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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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.

Contact Race Support
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Public Race Data

Chicago Event Management

Chicago Event Management