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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Michael Harms

Bib: 640 •M •Age: 41

Manassas, VA

Shamrock Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 1949
Top 5%
Gender (Male)
#0 / 1153
Top 7%
Masters (Masters Men)
#0 / 398
Top 4%
Age Group (M40-44)
Official
#0 / 120
Calculated (M40-44)
#0 / 120
Top 4%
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
21:44
3.11 mi
Rank: #114
Start → 5K
21:44 | 7:00/mi
10K
47:18
6.21 mi
Rank: #241 (-127)
5K → 10K
25:34 | 8:14/mi
15K
1:09:32
9.32 mi
Rank: #179 (+62)
10K → 15K
22:14 | 7:10/mi
20K
1:31:10
12.43 mi
Rank: #155 (+24)
15K → 20K
21:38 | 6:58/mi
Half
1:36:22
13.10 mi
Rank: #153 (+2)
20K → Half
5:12 | 7:45/mi
25K
1:54:14
15.53 mi
Rank: #151 (+2)
Half → 25K
17:52 | 7:21/mi
30K
2:13:46
18.64 mi
Rank: #140 (+11)
25K → 30K
19:32 | 6:18/mi
35K
2:37:55
21.75 mi
Rank: #115 (+25)
30K → 35K
24:09 | 7:47/mi
25.2M
3:02:22
25.20 mi
Rank: #97 (+18)
35K → 25.2M
24:27 | 7:06/mi
Finish
3:09:24
26.22 mi
Rank: #95 (+2)
25.2M → Finish
7:02 | 6:55/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via Half
Distance13.10 mi
Time1:36:22
Pace7:22 /mi
2nd Half✓ Faster
Distance13.12 mi
Time1:33:03
Pace7:06 /mi
📊Negative Split: 3.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:49:1221:447:0021:44
7:00
-
10K
6.21 mi08:14:4647:187:3725:34
8:14
+1:14
15K
9.32 mi08:37:001:09:327:2822:14
7:10
-1:04
20K
12.43 mi08:58:381:31:107:2121:38
6:58
-0:12
Half
13.10 mi09:03:501:36:227:225:12
7:45
+0:47
25K
15.53 mi09:21:421:54:147:2217:52
7:21
-0:24
30K
18.64 mi09:41:142:13:467:1119:32
6:18
-1:03
35K
21.75 mi10:05:232:37:557:1624:09
7:47
+1:29
25.2M
25.20 mi10:29:503:02:227:1524:27
7:06
-0:41
Finish
26.22 mi10:36:523:09:247:147:02
6:55
-0:11

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

6:18 /mi

Average Pace

7:14 /mi

Slowest Pace

8:14 /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

19:32

10% of race

Time at Moderate Pace

1:54:57

61% of race

Time at Slow Pace

54:55

29% of race

Average Pace: 7:13 /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 mi07:49:1221:447:0021:44
7:00
#114
10K
6.21 mi08:14:4647:187:3725:34
8:14
#241
15K
9.32 mi08:37:001:09:327:2822:14
7:10
#179
20K
12.43 mi08:58:381:31:107:2121:38
6:58
#155
Half
13.10 mi09:03:501:36:227:225:12
7:45
#153
25K
15.53 mi09:21:421:54:147:2217:52
7:21
#151
30K
18.64 mi09:41:142:13:467:1119:32
6:18
#140
35K
21.75 mi10:05:232:37:557:1624:09
7:47
#115
25.2M
25.20 mi10:29:503:02:227:1524:27
7:06
#97
Finish
26.22 mi10:36:523:09:247:147:02
6:55
#95
Fast pace
Moderate pace
Slow 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 mi1149912115(Top 6%)102(Top 9%)12(Top 10%)
10K6.21 mi3.10 mi241-127190-9128-16419(Top 21%)321(Top 28%)42(Top 35%)
15K9.32 mi3.11 mi179+62146+4424+4115(Top 6%)102(Top 9%)12(Top 10%)
20K12.43 mi3.11 mi155+24132+1419+597(Top 5%)87(Top 8%)8(Top 7%)
Half13.10 mi0.67 mi153+2130+219134(Top 7%)118(Top 10%)18(Top 15%)
25K15.53 mi2.43 mi151+2129+119117(Top 6%)104(Top 9%)9(Top 8%)
30K18.64 mi3.11 mi140+11122+717+279(Top 4%)74(Top 6%)6(Top 5%)
35K21.75 mi3.11 mi115+25102+2010+748(Top 2%)43(Top 4%)4(Top 3%)
25.2M25.20 mi3.45 mi97+1887+156+447(Top 2%)43(Top 4%)3(Top 3%)
Finish26.22 mi1.02 mi95+285+25+175(Top 4%)64(Top 6%)6(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×1
+26ft-31ft

Overall

115

Males

102

M40-44

12

5K→10K

3.1 - 6.2 mi

Top 21%
×2
+38ft-17ft

Overall

419

Males

321

M40-44

42

10K→15K

6.2 - 9.3 mi

Top 6%
×2
+26ft-44ft

Overall

115

Males

102

M40-44

12

15K→20K

9.3 - 12.4 mi

Top 5%
×1
+35ft-22ft

Overall

97

Males

87

M40-44

8

20K→Half

12.4 - 13.1 mi

Top 7%
×1
+7ft-13ft

Overall

134

Males

118

M40-44

18

Half→25K

13.1 - 15.5 mi

Top 6%
×2
+48ft-19ft

Overall

117

Males

104

M40-44

9

25K→30K

15.5 - 18.6 mi

Top 4%
×2
+38ft-52ft

Overall

79

Males

74

M40-44

6

30K→35K

18.6 - 21.8 mi

Top 2%
×2
+39ft-39ft

Overall

48

Males

43

M40-44

4

35K→25.2M

21.8 - 25.2 mi

Top 2%
×3
+57ft-58ft

Overall

47

Males

43

M40-44

3

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×1
+17ft-12ft

Overall

75

Males

64

M40-44

6

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
150
Passed By
131
Net Change
+19
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#114
5K → 10K0127-127#114#241
10K → 15K620+62#241#179
15K → 20K240+24#179#155
20K → Half20+2#155#153
Half → 25K53+2#153#151
25K → 30K110+11#151#140
30K → 35K250+25#140#115
35K → 25.2M180+18#115#97
25.2M → Finish31+2#97#95
TOTALS150131+19
📊

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

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.

Contact Race Support
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