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SHAMROCK MARATHON 2025

Xavier Chacon

Bib: 1821•M•Age: 63

Falls Church, VA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 1949
Gender (Male)
#0 / 1153
Masters (Masters Men)
#0 / 398
Age Group (M60-64)
#0 / 28
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
32:09
3.11 mi
Rank: #1317
Start → 5K
32:09 | 10:21/mi
10K
1:05:46
6.21 mi
Rank: #1389 (-72)
5K → 10K
33:37 | 10:50/mi
15K
1:38:29
9.32 mi
Rank: #1367 (+22)
10K → 15K
32:43 | 10:32/mi
20K
2:11:25
12.43 mi
Rank: #1355 (+12)
15K → 20K
32:56 | 10:37/mi
Half
2:20:09
13.10 mi
Rank: #1369 (-14)
20K → Half
8:44 | 13:01/mi
25K
2:51:14
15.53 mi
Rank: #1419 (-50)
Half → 25K
31:05 | 12:46/mi
30K
3:26:12
18.64 mi
Rank: #1448 (-29)
25K → 30K
34:58 | 11:16/mi
35K
4:09:05
21.75 mi
Rank: #1436 (+12)
30K → 35K
42:53 | 13:49/mi
25.2M
4:52:37
25.20 mi
Rank: #1432 (+4)
35K → 25.2M
43:32 | 12:37/mi
Finish
5:04:31
26.22 mi
Rank: #1431 (+1)
25.2M → Finish
11:54 | 11:41/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:20:09
Pace10:42 /mi
2nd Half
Distance13.12 mi
Time2:44:23
Pace12:32 /mi
📊Positive Split: 17.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:12:3932:0910:2132:09
10:21
-
10K
6.21 mi08:46:161:05:4610:3633:37
10:50
+0:29
15K
9.32 mi09:18:591:38:2910:3432:43
10:32
-0:18
20K
12.43 mi09:51:552:11:2510:3532:56
10:37
+0:05
Half
13.10 mi10:00:392:20:0910:428:44
13:01
+2:24
25K
15.53 mi10:31:442:51:1411:0231:05
12:46
-0:15
30K
18.64 mi11:06:423:26:1211:0434:58
11:16
-1:30
35K
21.75 mi11:49:354:09:0511:2842:53
13:49
+2:33
25.2M
25.20 mi12:33:074:52:3711:3743:32
12:37
-1:12
Finish
26.22 mi12:45:015:04:3111:3811:54
11:41
-0:56

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

10:21 /mi

Average Pace

11:37 /mi

Slowest Pace

13:49 /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

2:11:25

43% of race

Time at Steady Pace

46:52

15% of race

Time at Slower Pace

2:06:14

41% of race

Average Pace: 11:37 /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 mi08:12:3932:0910:2132:09
10:21
#1317
10K
6.21 mi08:46:161:05:4610:3633:37
10:50
#1389
15K
9.32 mi09:18:591:38:2910:3432:43
10:32
#1367
20K
12.43 mi09:51:552:11:2510:3532:56
10:37
#1355
Half
13.10 mi10:00:392:20:0910:428:44
13:01
#1369
25K
15.53 mi10:31:442:51:1411:0231:05
12:46
#1419
30K
18.64 mi11:06:423:26:1211:0434:58
11:16
#1448
35K
21.75 mi11:49:354:09:0511:2842:53
13:49
#1436
25.2M
25.20 mi12:33:074:52:3711:3743:32
12:37
#1432
Finish
26.22 mi12:45:015:04:3111:3811:54
11:41
#1431
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi1317875151348(Top 69%)888(Top 77%)16(Top 57%)
10K6.21 mi3.10 mi1389-72905-3017-21436(Top 74%)927(Top 80%)17(Top 61%)
15K9.32 mi3.11 mi1367+22897+816+11348(Top 69%)888(Top 77%)16(Top 57%)
20K12.43 mi3.11 mi1355+12887+10161331(Top 68%)866(Top 75%)15(Top 54%)
Half13.10 mi0.67 mi1369-14895-8161683(Top 86%)1040(Top 90%)21(Top 75%)
25K15.53 mi2.43 mi1419-50913-18161610(Top 83%)995(Top 86%)21(Top 75%)
30K18.64 mi3.11 mi1448-29921-8161538(Top 79%)948(Top 82%)20(Top 71%)
35K21.75 mi3.11 mi1436+12909+12161296(Top 66%)800(Top 69%)17(Top 61%)
25.2M25.20 mi3.45 mi1432+4902+7161325(Top 68%)801(Top 69%)18(Top 64%)
Finish26.22 mi1.02 mi1431+1900+2161461(Top 75%)879(Top 76%)16(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×1
+26ft-31ft

Overall

1348

Males

888

M60-64

16

5K→10K

3.1 - 6.2 mi

Top 74%
×2
+38ft-17ft

Overall

1436

Males

927

M60-64

17

10K→15K

6.2 - 9.3 mi

Top 69%
×2
+26ft-44ft

Overall

1348

Males

888

M60-64

16

15K→20K

9.3 - 12.4 mi

Top 68%
×1
+35ft-22ft

Overall

1331

Males

866

M60-64

15

20K→Half

12.4 - 13.1 mi

Top 86%
×1
+7ft-13ft

Overall

1683

Males

1040

M60-64

21

Half→25K

13.1 - 15.5 mi

Top 83%
×2
+48ft-19ft

Overall

1610

Males

995

M60-64

21

25K→30K

15.5 - 18.6 mi

Top 79%
×2
+38ft-52ft

Overall

1538

Males

948

M60-64

20

30K→35K

18.6 - 21.8 mi

Top 66%
×2
+39ft-39ft

Overall

1296

Males

800

M60-64

17

35K→25.2M

21.8 - 25.2 mi

Top 68%
×3
+57ft-58ft

Overall

1325

Males

801

M60-64

18

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×1
+17ft-12ft

Overall

1461

Males

879

M60-64

16

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
162
Passed By
276
Net Change
-114
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1317
5K → 10K1890-72#1317#1389
10K → 15K3513+22#1389#1367
15K → 20K2210+12#1367#1355
20K → Half822-14#1355#1369
Half → 25K1262-50#1369#1419
25K → 30K1140-29#1419#1448
30K → 35K3624+12#1448#1436
35K → 25.2M1410+4#1436#1432
25.2M → Finish65+1#1432#1431
TOTALS162276-114
📊

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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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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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management