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SHAMROCK MARATHON 2026

Chris Nordlund

Bib: 3816•M•Age: 31

Gaithersburg, MD

0:00
0:00
/ mi
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Overall
#0 / 2429
Gender (Male)
#0 / 1480
Division (M30-34)
#0 / 242
Race Day Weather
55°/45°F
few clouds

⏱️ Race Timeline

Course Elevation
-8–55 ft
≈
×5story building
•▲ 331 ft climb · ▼ 310 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
14:09/mi
43:57
↑ 26↓ 31
10K· 6.21 mi
13:57/mi
1:27:18
↑ 38↓ 170.1%
15K· 9.32 mi
14:08/mi
2:11:13
↑ 26↓ 440.1%
20K· 12.43 mi
13:49/mi
2:54:10
↑ 35↓ 22
Half· 13.10 mi
13:05/mi
3:02:57
↓ 130.2%
30K· 18.64 mi
13:35/mi
4:18:13
↑ 86↓ 72
35K· 21.75 mi
15:05/mi
5:05:06
↑ 39↓ 39
25.2M
15:05/mi
5:57:10
↑ 57↓ 58
Finish· 26.22 mi
15:05/mi
6:12:33
↑ 17↓ 12

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.10 mi
Time3:02:57
Pace13:58 /mi
2nd Half
Distance13.12 mi
Time3:09:36
Pace14:27 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:28:4243:5714:0943:57
14:09
-
10K
6.21 mi09:12:031:27:1814:0343:21
13:57
-0:12
15K
9.32 mi09:55:582:11:1314:0543:55
14:08
+0:11
20K
12.43 mi10:38:552:54:1014:0142:57
13:49
-0:19
Half
13.10 mi10:47:423:02:5713:588:47
13:05
-0:44
30K
18.64 mi12:02:584:18:1313:511:15:16
13:35
+0:30
35K
21.75 mi12:49:515:05:0614:0246:53
15:05
+1:30
25.2M
25.20 mi13:41:555:57:1014:1052:05
15:05
0:00
Finish
26.22 mi13:57:186:12:3314:1315:23
15:05
0:00

Checkpoints & Pacing

📈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

13:05 /mi

Average Pace

14:13 /mi

Slowest Pace

15:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:18:13

69% of race

Time at Steady Pace

1:54:20

31% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 14:13 /mi

Loading chart...
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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi08:28:4243:5714:0943:57
14:09
#2478
10K
6.21 mi09:12:031:27:1814:0343:21
13:57
#2464
15K
9.32 mi09:55:582:11:1314:0543:55
14:08
#2457
20K
12.43 mi10:38:552:54:1014:0142:57
13:49
#2425
Half
13.10 mi10:47:423:02:5713:588:47
13:05
#2393
30K
18.64 mi12:02:584:18:1313:511:15:16
13:35
#2331
35K
21.75 mi12:49:515:05:0614:0246:53
15:05
#2290
25.2M
25.20 mi13:41:555:57:1014:1052:05
15:05
#2246
Finish
26.22 mi13:57:186:12:3314:1315:23
15:05
#2237
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
5K3.11 mi3.11 mi247815322402426(Top 100%)1518(Top 103%)238(Top 99%)
10K6.21 mi3.10 mi2464+1415322402444(Top 101%)1523(Top 103%)239(Top 99%)
15K9.32 mi3.11 mi2457+71529+32402426(Top 100%)1518(Top 103%)238(Top 99%)
20K12.43 mi3.11 mi2425+321515+14239+12346(Top 97%)1480(Top 100%)237(Top 98%)
Half13.10 mi0.67 mi2393+321495+202392236(Top 92%)1415(Top 96%)228(Top 95%)
30K18.64 mi5.54 mi2331+621462+33238+12127(Top 88%)1345(Top 91%)223(Top 93%)
35K21.75 mi3.11 mi2290+411439+23235+31833(Top 75%)1152(Top 78%)192(Top 80%)
25.2M25.20 mi3.45 mi2246+441410+29233+22018(Top 83%)1242(Top 84%)205(Top 85%)
Finish26.22 mi1.02 mi2237+91403+7231+22052(Top 84%)1274(Top 86%)210(Top 87%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×1story
+26ft-31ft

Overall

2426

Males

1518

M30-34

249

5K→10K

3.1 - 6.2 mi

Top 101%
×2story building
+38ft-17ft

Overall

2444

Males

1523

M30-34

252

10K→15K

6.2 - 9.3 mi

Top 100%
×2story building
+26ft-44ft

Overall

2426

Males

1518

M30-34

249

15K→20K

9.3 - 12.4 mi

Top 97%
×1story
+35ft-22ft

Overall

2346

Males

1480

M30-34

247

20K→Half

12.4 - 13.1 mi

Top 92%
×1human
+7ft-13ft

Overall

2236

Males

1415

M30-34

236

Half→30K

13.1 - 18.6 mi

Top 88%
×2story building
+86ft-72ft

Overall

2127

Males

1345

M30-34

226

30K→35K

18.6 - 21.8 mi

Top 75%
×2stacked humans
+39ft-39ft

Overall

1833

Males

1152

M30-34

194

35K→25.2M

21.8 - 25.2 mi

Top 83%
×3story building
+57ft-58ft

Overall

2018

Males

1242

M30-34

206

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×1human
+17ft-12ft

Overall

2052

Males

1274

M30-34

211

Passing Analysis

Category:
Athletes Passed
270*
Passed By
29
Net Change
+241
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2478
5K → 10K25*11+14#2478#2464
10K → 15K92+7#2464#2457
15K → 20K34*2+32#2457#2425
20K → Half33*1+32#2425#2393
Half → 30K71*9+62#2393#2331
30K → 35K43*2+41#2331#2290
35K → 25.2M46*2+44#2290#2246
25.2M → Finish9*0+9#2246#2237
TOTALS270*29+241

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

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J & A Racing

Big River Race Management

Big River Race Management