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BOSTON MARATHON 2025

Colten Mccormick

Bib: 5005•M

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 19%
Division (M18-39)
#0 / 5642
Top 41%
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
6:51/mi
21:18
↑ 97↓ 3451.5%
10K· 6.21 mi
6:44/mi
42:13
↑ 79↓ 1380.4%
15K· 9.32 mi
6:48/mi
1:03:20
↑ 67↓ 78
20K· 12.43 mi
6:47/mi
1:24:26
↑ 106↓ 860.1%
Half· 13.11 mi
6:37/mi
1:28:57
↑ 19↓ 370.5%
25K· 15.53 mi
6:46/mi
1:45:21
↑ 66↓ 880.2%
30K· 18.64 mi
6:51/mi
2:06:38
↑ 181↓ 1480.2%
20M
6:44/mi
2:15:47
↑ 64↓ 500.2%
21M
6:54/mi
2:22:41
↑ 106↓ 241.6%
35K· 21.75 mi
6:20/mi
2:27:25
↑ 17↓ 861.7%
23M
6:21/mi
2:35:22
↑ 23↓ 630.6%
24M
6:08/mi
2:41:30
↓ 821.3%
40K· 24.85 mi
6:05/mi
2:46:42
↓ 200.3%
25.2M
6:29/mi
2:48:56
↑ 13↓ 160.2%
Finish· 26.22 mi
5:42/mi
2:54:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:28:57
Pace6:47 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:25:48
Pace6:33 /mi
📊Negative Split: 3.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:0321:186:5121:18
6:51
-
10K
6.21 mi10:46:5842:136:4820:55
6:44
-0:07
15K
9.32 mi11:08:051:03:206:4821:07
6:48
+0:04
20K
12.43 mi11:29:111:24:266:4821:06
6:47
-0:01
Half
13.11 mi11:33:421:28:576:474:31
6:37
-0:10
25K
15.53 mi11:50:061:45:216:4716:24
6:46
+0:09
30K
18.64 mi12:11:232:06:386:4821:17
6:51
+0:05
20M
20.00 mi12:20:322:15:476:479:09
6:44
-0:07
21M
21.00 mi12:27:262:22:416:486:54
6:54
+0:10
35K
21.75 mi12:32:102:27:256:474:44
6:20
-0:34
23M
23.00 mi12:40:072:35:226:457:57
6:21
+0:01
24M
24.00 mi12:46:152:41:306:446:08
6:08
-0:13
40K
24.85 mi12:51:272:46:426:425:12
6:05
-0:03
25.2M
25.20 mi12:53:412:48:566:422:14
6:29
+0:24
Finish
26.22 mi12:59:302:54:456:405:49
5:42
-0:47

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

5:42 /mi

Average Pace

6:40 /mi

Slowest Pace

6:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:04

18% of race

Time at Steady Pace

2:22:41

82% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:40 /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 mi10:26:0321:186:5121:18
6:51
#6724
10K
6.21 mi10:46:5842:136:4820:55
6:44
#6229
15K
9.32 mi11:08:051:03:206:4821:07
6:48
#6139
20K
12.43 mi11:29:111:24:266:4821:06
6:47
#5885
Half
13.11 mi11:33:421:28:576:474:31
6:37
#5812
25K
15.53 mi11:50:061:45:216:4716:24
6:46
#5549
30K
18.64 mi12:11:232:06:386:4821:17
6:51
#5095
20M
20.00 mi12:20:322:15:476:479:09
6:44
#4848
21M
21.00 mi12:27:262:22:416:486:54
6:54
#4565
35K
21.75 mi12:32:102:27:256:474:44
6:20
#4387
23M
23.00 mi12:40:072:35:226:457:57
6:21
#4054
24M
24.00 mi12:46:152:41:306:446:08
6:08
#3808
40K
24.85 mi12:51:272:46:426:425:12
6:05
#3559
25.2M
25.20 mi12:53:412:48:566:422:14
6:29
#3442
Finish
26.22 mi12:59:302:54:456:405:49
5:42
#3188
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6724609260926033(Top 21%)5483(Top 34%)5483(Top 97%)
10K6.21 mi3.10 mi6229+4955705+3875705+3875625(Top 20%)5165(Top 32%)5165(Top 92%)
15K9.32 mi3.11 mi6139+905616+895616+896033(Top 21%)5483(Top 34%)5483(Top 97%)
20K12.43 mi3.11 mi5885+2545393+2235393+2235189(Top 18%)4778(Top 30%)4778(Top 85%)
Half13.11 mi0.68 mi5812+735327+665327+664492(Top 16%)4185(Top 26%)4185(Top 74%)
25K15.53 mi2.42 mi5549+2635099+2285099+2284572(Top 16%)4217(Top 26%)4217(Top 75%)
30K18.64 mi3.11 mi5095+4544690+4094690+4093731(Top 13%)3450(Top 21%)3450(Top 61%)
20M20.00 mi1.36 mi4848+2474487+2034487+2032617(Top 9%)2459(Top 15%)2459(Top 44%)
21M21.00 mi1.00 mi4565+2834235+2524235+2521886(Top 7%)1777(Top 11%)1777(Top 31%)
35K21.75 mi0.75 mi4387+1784070+1654070+1651731(Top 6%)1625(Top 10%)1625(Top 29%)
23M23.00 mi1.25 mi4054+3333770+3003770+3001015(Top 4%)958(Top 6%)958(Top 17%)
24M24.00 mi1.00 mi3808+2463555+2153555+215867(Top 3%)816(Top 5%)816(Top 14%)
40K24.85 mi0.85 mi3559+2493327+2283327+228528(Top 2%)494(Top 3%)494(Top 9%)
25.2M25.20 mi0.35 mi3442+1173223+1043223+104447(Top 2%)414(Top 3%)414(Top 7%)
Finish26.22 mi1.02 mi3188+2542997+2262997+226379(Top 1%)356(Top 2%)356(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21story building
+97ft-345ft

Overall

6033

Males

5483

M18-39

5483

5K→10K

3.1 - 6.2 mi

Top 20%
×5story building
+79ft-138ft

Overall

5625

Males

5165

M18-39

5165

10K→15K

6.2 - 9.3 mi

Top 21%
×3story building
+67ft-78ft

Overall

6033

Males

5483

M18-39

5483

15K→20K

9.3 - 12.4 mi

Top 18%
×5story building
+106ft-86ft

Overall

5189

Males

4778

M18-39

4778

20K→Half

12.4 - 13.1 mi

Top 16%
×2story building
+19ft-37ft

Overall

4492

Males

4185

M18-39

4185

Half→25K

13.1 - 15.5 mi

Top 16%
×4story building
+66ft-88ft

Overall

4572

Males

4217

M18-39

4217

25K→30K

15.5 - 18.6 mi

Top 13%
×9story building
+181ft-148ft

Overall

3731

Males

3450

M18-39

3450

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2617

Males

2459

M18-39

2459

20M→21M

20.0 - 21.0 mi

Top 7%
×8story building
+106ft-24ft

Overall

1886

Males

1777

M18-39

1777

21M→35K

21.0 - 21.8 mi

Top 6%
×7story building
+17ft-86ft

Overall

1731

Males

1625

M18-39

1625

35K→23M

21.8 - 23.0 mi

Top 4%
×5story building
+23ft-63ft

Overall

1015

Males

958

M18-39

958

23M→24M

23.0 - 24.0 mi

Top 3%
×6story building
+12ft-82ft

Overall

867

Males

816

M18-39

816

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

528

Males

494

M18-39

494

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

447

Males

414

M18-39

414

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2story building
+22ft-21ft

Overall

379

Males

356

M18-39

356

Passing Analysis

Category:
Athletes Passed
3720
Passed By
184
Net Change
+3536
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6724
5K → 10K53035+495#6724#6229
10K → 15K18595+90#6229#6139
15K → 20K28733+254#6139#5885
20K → Half741+73#5885#5812
Half → 25K27512+263#5812#5549
25K → 30K4617+454#5549#5095
30K → 20M2481+247#5095#4848
20M → 21M2830+283#4848#4565
21M → 35K1780+178#4565#4387
35K → 23M3330+333#4387#4054
23M → 24M2460+246#4054#3808
24M → 40K2490+249#3808#3559
40K → 25.2M1170+117#3559#3442
25.2M → Finish2540+254#3442#3188
TOTALS3720184+3536
📊

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