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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Chris McCown

Bib: 419 •M •Age: 41

Forest, VA

Shamrock Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 1949
Top 38%
Gender (Male)
#0 / 1153
Top 44%
Masters (Masters Men)
#0 / 398
Top 42%
Age Group (M40-44)
Official
#0 / 120
Calculated (M40-44)
#0 / 120
Race Day Weather
71°/61°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
25:30
3.11 mi
Rank: #419
Start → 5K
25:30 | 8:13/mi
10K
50:21
6.21 mi
Rank: #393 (+26)
5K → 10K
24:51 | 8:00/mi
15K
1:15:31
9.32 mi
Rank: #383 (+10)
10K → 15K
25:10 | 8:07/mi
20K
1:40:45
12.43 mi
Rank: #375 (+8)
15K → 20K
25:14 | 8:08/mi
Half
1:46:44
13.10 mi
Rank: #379 (-4)
20K → Half
5:59 | 8:55/mi
25K
2:09:27
15.53 mi
Rank: #408 (-29)
Half → 25K
22:43 | 9:20/mi
30K
2:36:41
18.64 mi
Rank: #475 (-67)
25K → 30K
27:14 | 8:46/mi
35K
3:15:05
21.75 mi
Rank: #593 (-118)
30K → 35K
38:24 | 12:22/mi
25.2M
3:57:16
25.20 mi
Rank: #695 (-102)
35K → 25.2M
42:11 | 12:14/mi
Finish
4:09:41
26.22 mi
Rank: #736 (-41)
25.2M → Finish
12:25 | 12:12/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time1:46:44
Pace8:09 /mi
2nd Half
Distance13.12 mi
Time2:22:57
Pace10:54 /mi
📊Positive Split: 33.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:58:0325:308:1325:30
8:13
-
10K
6.21 mi08:22:5450:218:0724:51
8:00
-0:13
15K
9.32 mi08:48:041:15:318:0725:10
8:07
+0:07
20K
12.43 mi09:13:181:40:458:0725:14
8:08
+0:01
Half
13.10 mi09:19:171:46:448:095:59
8:55
+0:47
25K
15.53 mi09:42:002:09:278:2022:43
9:20
+0:25
30K
18.64 mi10:09:142:36:418:2527:14
8:46
-0:34
35K
21.75 mi10:47:383:15:058:5938:24
12:22
+3:36
25.2M
25.20 mi11:29:493:57:169:2542:11
12:14
-0:08
Finish
26.22 mi11:42:144:09:419:3212:25
12:12
-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

8:00 /mi

Average Pace

9:32 /mi

Slowest Pace

12:22 /mi

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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

24:51

10% of race

Time at Steady Pace

2:11:50

53% of race

Time at Slower Pace

1:33:00

37% of race

Average Pace: 9:31 /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 mi07:58:0325:308:1325:30
8:13
#419
10K
6.21 mi08:22:5450:218:0724:51
8:00
#393
15K
9.32 mi08:48:041:15:318:0725:10
8:07
#383
20K
12.43 mi09:13:181:40:458:0725:14
8:08
#375
Half
13.10 mi09:19:171:46:448:095:59
8:55
#379
25K
15.53 mi09:42:002:09:278:2022:43
9:20
#408
30K
18.64 mi10:09:142:36:418:2527:14
8:46
#475
35K
21.75 mi10:47:383:15:058:5938:24
12:22
#593
25.2M
25.20 mi11:29:493:57:169:2542:11
12:14
#695
Finish
26.22 mi11:42:144:09:419:3212:25
12:12
#736
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi41931744385(Top 20%)301(Top 26%)42(Top 35%)
10K6.21 mi3.10 mi393+26305+1241+3330(Top 17%)257(Top 22%)35(Top 29%)
15K9.32 mi3.11 mi383+10297+841385(Top 20%)301(Top 26%)42(Top 35%)
20K12.43 mi3.11 mi375+8291+640+1391(Top 20%)302(Top 26%)42(Top 35%)
Half13.10 mi0.67 mi379-4294-340448(Top 23%)341(Top 30%)46(Top 38%)
25K15.53 mi2.43 mi408-29316-2242-2711(Top 36%)513(Top 44%)65(Top 54%)
30K18.64 mi3.11 mi475-67357-4147-5858(Top 44%)589(Top 51%)66(Top 55%)
35K21.75 mi3.11 mi593-118426-6956-91004(Top 52%)642(Top 56%)68(Top 57%)
25.2M25.20 mi3.45 mi695-102485-5959-31228(Top 63%)740(Top 64%)80(Top 67%)
Finish26.22 mi1.02 mi736-41512-2761-21554(Top 80%)929(Top 81%)95(Top 79%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×1
+26ft-31ft

Overall

385

Males

301

M40-44

42

5K→10K

3.1 - 6.2 mi

Top 17%
×2
+38ft-17ft

Overall

330

Males

257

M40-44

35

10K→15K

6.2 - 9.3 mi

Top 20%
×2
+26ft-44ft

Overall

385

Males

301

M40-44

42

15K→20K

9.3 - 12.4 mi

Top 20%
×1
+35ft-22ft

Overall

391

Males

302

M40-44

42

20K→Half

12.4 - 13.1 mi

Top 23%
×1
+7ft-13ft

Overall

448

Males

341

M40-44

46

Half→25K

13.1 - 15.5 mi

Top 36%
×2
+48ft-19ft

Overall

711

Males

513

M40-44

65

25K→30K

15.5 - 18.6 mi

Top 44%
×2
+38ft-52ft

Overall

858

Males

589

M40-44

66

30K→35K

18.6 - 21.8 mi

Top 52%
×2
+39ft-39ft

Overall

1004

Males

642

M40-44

68

35K→25.2M

21.8 - 25.2 mi

Top 63%
×3
+57ft-58ft

Overall

1228

Males

740

M40-44

80

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×1
+17ft-12ft

Overall

1554

Males

929

M40-44

95

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
68
Passed By
385
Net Change
-317
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#419
5K → 10K293+26#419#393
10K → 15K122+10#393#383
15K → 20K113+8#383#375
20K → Half37-4#375#379
Half → 25K534-29#379#408
25K → 30K168-67#408#475
30K → 35K4122-118#475#593
35K → 25.2M3105-102#593#695
25.2M → Finish041-41#695#736
TOTALS68385-317
📊

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

Finisher Certificate

Download and share your official race completion certificate

🏆 Finisher Certificate
Download or share your official race finisher certificate
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Your certificate is generated on-demand and can be shared on social media or saved for your records

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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