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BOSTON MARATHON 2025

Korry Hamlin

Bib: 3050•M

IN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 20%
Division (M18-39)
#0 / 5642
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:43/mi
20:52
↑ 97↓ 3451.5%
10K· 6.21 mi
6:40/mi
41:35
↑ 79↓ 1380.4%
15K· 9.32 mi
6:38/mi
1:02:12
↑ 67↓ 78
20K· 12.43 mi
6:40/mi
1:22:54
↑ 106↓ 860.1%
Half· 13.11 mi
6:34/mi
1:27:23
↑ 19↓ 370.5%
25K· 15.53 mi
6:40/mi
1:43:34
↑ 66↓ 880.2%
30K· 18.64 mi
6:52/mi
2:04:53
↑ 181↓ 1480.2%
20M
6:55/mi
2:14:17
↑ 64↓ 500.2%
21M
7:21/mi
2:21:38
↑ 106↓ 241.6%
35K· 21.75 mi
6:57/mi
2:26:50
↑ 17↓ 861.7%
23M
6:41/mi
2:35:12
↑ 23↓ 630.6%
24M
6:11/mi
2:41:23
↓ 821.3%
40K· 24.85 mi
6:22/mi
2:46:50
↓ 200.3%
25.2M
6:52/mi
2:49:12
↑ 13↓ 160.2%
Finish· 26.22 mi
6:17/mi
2:55:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:27:23
Pace6:40 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:13
Pace6:44 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:0520:526:4320:52
6:43
-
10K
6.21 mi10:46:4841:356:4220:43
6:40
-0:03
15K
9.32 mi11:07:251:02:126:4020:37
6:38
-0:02
20K
12.43 mi11:28:071:22:546:4020:42
6:40
+0:02
Half
13.11 mi11:32:361:27:236:404:29
6:34
-0:06
25K
15.53 mi11:48:471:43:346:4016:11
6:40
+0:06
30K
18.64 mi12:10:062:04:536:4221:19
6:52
+0:12
20M
20.00 mi12:19:302:14:176:439:24
6:55
+0:03
21M
21.00 mi12:26:512:21:386:457:21
7:21
+0:26
35K
21.75 mi12:32:032:26:506:455:12
6:57
-0:24
23M
23.00 mi12:40:252:35:126:458:22
6:41
-0:16
24M
24.00 mi12:46:362:41:236:436:11
6:11
-0:30
40K
24.85 mi12:52:032:46:506:435:27
6:22
+0:11
25.2M
25.20 mi12:54:252:49:126:432:22
6:52
+0:30
Finish
26.22 mi13:00:492:55:366:426:24
6:17
-0:35

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

6:11 /mi

Average Pace

6:42 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:58

74% of race

Time at Steady Pace

38:17

22% of race

Time at Slower Pace

7:21

4% of race

Average Pace: 6:42 /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 mi10:26:0520:526:4320:52
6:43
#5586
10K
6.21 mi10:46:4841:356:4220:43
6:40
#5288
15K
9.32 mi11:07:251:02:126:4020:37
6:38
#4987
20K
12.43 mi11:28:071:22:546:4020:42
6:40
#4742
Half
13.11 mi11:32:361:27:236:404:29
6:34
#4694
25K
15.53 mi11:48:471:43:346:4016:11
6:40
#4522
30K
18.64 mi12:10:062:04:536:4221:19
6:52
#4312
20M
20.00 mi12:19:302:14:176:439:24
6:55
#4211
21M
21.00 mi12:26:512:21:386:457:21
7:21
#4170
35K
21.75 mi12:32:032:26:506:455:12
6:57
#4178
23M
23.00 mi12:40:252:35:126:458:22
6:41
#4008
24M
24.00 mi12:46:362:41:236:436:11
6:11
#3776
40K
24.85 mi12:52:032:46:506:435:27
6:22
#3606
25.2M
25.20 mi12:54:252:49:126:432:22
6:52
#3505
Finish
26.22 mi13:00:492:55:366:426:24
6:17
#3378
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5586517151714546(Top 16%)4257(Top 26%)4257(Top 75%)
10K6.21 mi3.10 mi5288+2984907+2644907+2645053(Top 18%)4710(Top 29%)4710(Top 83%)
15K9.32 mi3.11 mi4987+3014651+2564651+2564546(Top 16%)4257(Top 26%)4257(Top 75%)
20K12.43 mi3.11 mi4742+2454426+2254426+2254113(Top 14%)3858(Top 24%)3858(Top 68%)
Half13.11 mi0.68 mi4694+484383+434383+434185(Top 15%)3924(Top 24%)3924(Top 70%)
25K15.53 mi2.42 mi4522+1724229+1544229+1543946(Top 14%)3685(Top 23%)3685(Top 65%)
30K18.64 mi3.11 mi4312+2104034+1954034+1953828(Top 13%)3536(Top 22%)3536(Top 63%)
20M20.00 mi1.36 mi4211+1013939+953939+953623(Top 13%)3339(Top 21%)3339(Top 59%)
21M21.00 mi1.00 mi4170+413895+443895+443871(Top 14%)3521(Top 22%)3521(Top 62%)
35K21.75 mi0.75 mi4178-83892+33892+35050(Top 18%)4417(Top 27%)4417(Top 78%)
23M23.00 mi1.25 mi4008+1703732+1603732+1602193(Top 8%)2050(Top 13%)2050(Top 36%)
24M24.00 mi1.00 mi3776+2323526+2063526+206995(Top 4%)937(Top 6%)937(Top 17%)
40K24.85 mi0.85 mi3606+1703367+1593367+1591201(Top 4%)1123(Top 7%)1123(Top 20%)
25.2M25.20 mi0.35 mi3505+1013280+873280+871173(Top 4%)1083(Top 7%)1083(Top 19%)
Finish26.22 mi1.02 mi3378+1273162+1183162+1181830(Top 6%)1693(Top 11%)1693(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21story building
+97ft-345ft

Overall

4546

Males

4257

M18-39

4257

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

5053

Males

4710

M18-39

4710

10K→15K

6.2 - 9.3 mi

Top 16%
×3story building
+67ft-78ft

Overall

4546

Males

4257

M18-39

4257

15K→20K

9.3 - 12.4 mi

Top 14%
×5story building
+106ft-86ft

Overall

4113

Males

3858

M18-39

3858

20K→Half

12.4 - 13.1 mi

Top 15%
×2story building
+19ft-37ft

Overall

4185

Males

3924

M18-39

3924

Half→25K

13.1 - 15.5 mi

Top 14%
×4story building
+66ft-88ft

Overall

3946

Males

3685

M18-39

3685

25K→30K

15.5 - 18.6 mi

Top 13%
×9story building
+181ft-148ft

Overall

3828

Males

3536

M18-39

3536

30K→20M

18.6 - 20.0 mi

Top 13%
×5story building
+64ft-50ft

Overall

3623

Males

3339

M18-39

3339

20M→21M

20.0 - 21.0 mi

Top 14%
×8story building
+106ft-24ft

Overall

3871

Males

3521

M18-39

3521

21M→35K

21.0 - 21.8 mi

Top 18%
×7story building
+17ft-86ft

Overall

5050

Males

4417

M18-39

4417

35K→23M

21.8 - 23.0 mi

Top 8%
×5story building
+23ft-63ft

Overall

2193

Males

2050

M18-39

2050

23M→24M

23.0 - 24.0 mi

Top 4%
×6story building
+12ft-82ft

Overall

995

Males

937

M18-39

937

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1201

Males

1123

M18-39

1123

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1173

Males

1083

M18-39

1083

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2story building
+22ft-21ft

Overall

1830

Males

1693

M18-39

1693

Passing Analysis

Category:
Athletes Passed
2516
Passed By
308
Net Change
+2208
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5586
5K → 10K36870+298#5586#5288
10K → 15K33534+301#5288#4987
15K → 20K27025+245#4987#4742
20K → Half535+48#4742#4694
Half → 25K19725+172#4694#4522
25K → 30K25040+210#4522#4312
30K → 20M12423+101#4312#4211
20M → 21M7837+41#4211#4170
21M → 35K2937-8#4170#4178
35K → 23M1766+170#4178#4008
23M → 24M2320+232#4008#3776
24M → 40K1711+170#3776#3606
40K → 25.2M1010+101#3606#3505
25.2M → Finish1325+127#3505#3378
TOTALS2516308+2208
📊

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

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing