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BOSTON MARATHON 2025

Colin Gordon

Bib: 27268•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
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
9:06/mi
28:16
↑ 97↓ 3451.5%
10K· 6.21 mi
8:38/mi
55:06
↑ 79↓ 1380.4%
15K· 9.32 mi
8:41/mi
1:22:06
↑ 67↓ 78
20K· 12.43 mi
8:40/mi
1:49:03
↑ 106↓ 860.1%
Half· 13.11 mi
8:42/mi
1:54:59
↑ 19↓ 370.5%
25K· 15.53 mi
8:54/mi
2:16:34
↑ 66↓ 880.2%
30K· 18.64 mi
9:15/mi
2:45:17
↑ 181↓ 1480.2%
20M
9:16/mi
2:57:52
↑ 64↓ 500.2%
21M
9:36/mi
3:07:28
↑ 106↓ 241.6%
35K· 21.75 mi
8:40/mi
3:13:57
↑ 17↓ 861.7%
23M
9:59/mi
3:26:27
↑ 23↓ 630.6%
24M
9:35/mi
3:36:02
↓ 821.3%
40K· 24.85 mi
10:05/mi
3:44:39
↓ 200.3%
25.2M
11:30/mi
3:48:37
↑ 13↓ 160.2%
Finish· 26.22 mi
9:04/mi
3:57:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:59
Pace8:46 /mi
2nd Half
Distance13.11 mi
Time2:02:52
Pace9:22 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:4028:169:0628:16
9:06
-
10K
6.21 mi12:12:3055:068:5226:50
8:38
-0:28
15K
9.32 mi12:39:301:22:068:4927:00
8:41
+0:03
20K
12.43 mi13:06:271:49:038:4626:57
8:40
-0:01
Half
13.11 mi13:12:231:54:598:465:56
8:42
+0:02
25K
15.53 mi13:33:582:16:348:4721:35
8:54
+0:12
30K
18.64 mi14:02:412:45:178:5228:43
9:15
+0:21
20M
20.00 mi14:15:162:57:528:5412:35
9:16
+0:01
21M
21.00 mi14:24:523:07:288:569:36
9:36
+0:20
35K
21.75 mi14:31:213:13:578:556:29
8:40
-0:56
23M
23.00 mi14:43:513:26:278:5912:30
9:59
+1:19
24M
24.00 mi14:53:263:36:029:009:35
9:35
-0:24
40K
24.85 mi15:02:033:44:399:028:37
10:05
+0:30
25.2M
25.20 mi15:06:013:48:379:043:58
11:30
+1:25
Finish
26.22 mi15:15:153:57:519:059:14
9:04
-2:26

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

8:38 /mi

Average Pace

9:05 /mi

Slowest Pace

11:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:12

39% of race

Time at Steady Pace

1:40:23

42% of race

Time at Slower Pace

44:16

19% of race

Average Pace: 9:04 /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 mi11:45:4028:169:0628:16
9:06
#22836
10K
6.21 mi12:12:3055:068:5226:50
8:38
#21792
15K
9.32 mi12:39:301:22:068:4927:00
8:41
#21315
20K
12.43 mi13:06:271:49:038:4626:57
8:40
#20798
Half
13.11 mi13:12:231:54:598:465:56
8:42
#20781
25K
15.53 mi13:33:582:16:348:4721:35
8:54
#20580
30K
18.64 mi14:02:412:45:178:5228:43
9:15
#20216
20M
20.00 mi14:15:162:57:528:5412:35
9:16
#20052
21M
21.00 mi14:24:523:07:288:569:36
9:36
#19840
35K
21.75 mi14:31:213:13:578:556:29
8:40
#19722
23M
23.00 mi14:43:513:26:278:5912:30
9:59
#19794
24M
24.00 mi14:53:263:36:029:009:35
9:35
#19805
40K
24.85 mi15:02:033:44:399:028:37
10:05
#19857
25.2M
25.20 mi15:06:013:48:379:043:58
11:30
#19907
Finish
26.22 mi15:15:153:57:519:059:14
9:04
#19903
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22836136821368220434(Top 72%)12705(Top 79%)12705(Top 225%)
10K6.21 mi3.10 mi21792+104413234+44813234+44820534(Top 72%)12713(Top 79%)12713(Top 225%)
15K9.32 mi3.11 mi21315+47713047+18713047+18720434(Top 72%)12705(Top 79%)12705(Top 225%)
20K12.43 mi3.11 mi20798+51712813+23412813+23419277(Top 68%)12155(Top 75%)12155(Top 215%)
Half13.11 mi0.68 mi20781+1712806+712806+720300(Top 71%)12592(Top 78%)12592(Top 223%)
25K15.53 mi2.42 mi20580+20112707+9912707+9919431(Top 68%)12158(Top 75%)12158(Top 215%)
30K18.64 mi3.11 mi20216+36412513+19412513+19418856(Top 66%)11767(Top 73%)11767(Top 209%)
20M20.00 mi1.36 mi20052+16412421+9212421+9218088(Top 64%)11281(Top 70%)11281(Top 200%)
21M21.00 mi1.00 mi19840+21212306+11512306+11516543(Top 58%)10502(Top 65%)10502(Top 186%)
35K21.75 mi0.75 mi19722+11812239+6712239+6716471(Top 58%)10394(Top 65%)10394(Top 184%)
23M23.00 mi1.25 mi19794-7212235+412235+420416(Top 72%)12116(Top 75%)12116(Top 215%)
24M24.00 mi1.00 mi19805-1112213+2212213+2219915(Top 70%)11832(Top 73%)11832(Top 210%)
40K24.85 mi0.85 mi19857-5212215-212215-220694(Top 73%)12134(Top 75%)12134(Top 215%)
25.2M25.20 mi0.35 mi19907-5012236-2112236-2122013(Top 77%)12788(Top 79%)12788(Top 227%)
Finish26.22 mi1.02 mi19903+412216+2012216+2019329(Top 68%)11506(Top 71%)11506(Top 204%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

20434

Males

12705

M18-39

12705

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

20534

Males

12713

M18-39

12713

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

20434

Males

12705

M18-39

12705

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

19277

Males

12155

M18-39

12155

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

20300

Males

12592

M18-39

12592

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

19431

Males

12158

M18-39

12158

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

18856

Males

11767

M18-39

11767

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

18088

Males

11281

M18-39

11281

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

16543

Males

10502

M18-39

10502

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

16471

Males

10394

M18-39

10394

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

20416

Males

12116

M18-39

12116

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

19915

Males

11832

M18-39

11832

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20694

Males

12134

M18-39

12134

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

22013

Males

12788

M18-39

12788

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

19329

Males

11506

M18-39

11506

Passing Analysis

Category:
Athletes Passed
3637
Passed By
704
Net Change
+2933
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22836
5K → 10K106319+1044#22836#21792
10K → 15K53558+477#21792#21315
15K → 20K53316+517#21315#20798
20K → Half3518+17#20798#20781
Half → 25K26160+201#20781#20580
25K → 30K41753+364#20580#20216
30K → 20M18824+164#20216#20052
20M → 21M2219+212#20052#19840
21M → 35K1246+118#19840#19722
35K → 23M70142-72#19722#19794
23M → 24M6778-11#19794#19805
24M → 40K4597-52#19805#19857
40K → 25.2M1565-50#19857#19907
25.2M → Finish6359+4#19907#19903
TOTALS3637704+2933
📊

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