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BOSTON MARATHON 2025

Thomas Cook

Bib: 28670•M

OH

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
7:34/mi
23:32
↑ 97↓ 3451.5%
10K· 6.21 mi
8:04/mi
48:35
↑ 79↓ 1380.4%
15K· 9.32 mi
8:32/mi
1:15:06
↑ 67↓ 78
20K· 12.43 mi
9:02/mi
1:43:09
↑ 106↓ 860.1%
Half· 13.11 mi
8:55/mi
1:49:14
↑ 19↓ 370.5%
25K· 15.53 mi
9:35/mi
2:12:29
↑ 66↓ 880.2%
30K· 18.64 mi
10:04/mi
2:43:47
↑ 181↓ 1480.2%
20M
10:45/mi
2:58:24
↑ 64↓ 500.2%
21M
11:11/mi
3:09:35
↑ 106↓ 241.6%
35K· 21.75 mi
10:01/mi
3:17:05
↑ 17↓ 861.7%
23M
10:07/mi
3:29:45
↑ 23↓ 630.6%
24M
10:34/mi
3:40:19
↓ 821.3%
40K· 24.85 mi
11:00/mi
3:49:43
↓ 200.3%
25.2M
10:12/mi
3:53:14
↑ 13↓ 160.2%
Finish· 26.22 mi
10:09/mi
4:03:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:14
Pace8:20 /mi
2nd Half
Distance13.11 mi
Time2:14:21
Pace10:15 /mi
📊Positive Split: 23.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:5423:327:3423:32
7:34
-
10K
6.21 mi12:05:5748:357:4925:03
8:04
+0:30
15K
9.32 mi12:32:281:15:068:0326:31
8:32
+0:28
20K
12.43 mi13:00:311:43:098:1828:03
9:02
+0:30
Half
13.11 mi13:06:361:49:148:206:05
8:55
-0:07
25K
15.53 mi13:29:512:12:298:3223:15
9:35
+0:40
30K
18.64 mi14:01:092:43:478:4731:18
10:04
+0:29
20M
20.00 mi14:15:462:58:248:5514:37
10:45
+0:41
21M
21.00 mi14:26:573:09:359:0211:11
11:11
+0:26
35K
21.75 mi14:34:273:17:059:047:30
10:01
-1:10
23M
23.00 mi14:47:073:29:459:0712:40
10:07
+0:06
24M
24.00 mi14:57:413:40:199:1110:34
10:34
+0:27
40K
24.85 mi15:07:053:49:439:159:24
11:00
+0:26
25.2M
25.20 mi15:10:363:53:149:153:31
10:12
-0:48
Finish
26.22 mi15:20:574:03:359:1810:21
10:09
-0:03

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

7:34 /mi

Average Pace

9:18 /mi

Slowest Pace

11:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:14

45% of race

Time at Steady Pace

1:39:09

41% of race

Time at Slower Pace

35:12

14% of race

Average Pace: 9:17 /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 mi11:40:5423:327:3423:32
7:34
#12895
10K
6.21 mi12:05:5748:357:4925:03
8:04
#14932
15K
9.32 mi12:32:281:15:068:0326:31
8:32
#16761
20K
12.43 mi13:00:311:43:098:1828:03
9:02
#18003
Half
13.11 mi13:06:361:49:148:206:05
8:55
#18184
25K
15.53 mi13:29:512:12:298:3223:15
9:35
#19082
30K
18.64 mi14:01:092:43:478:4731:18
10:04
#19794
20M
20.00 mi14:15:462:58:248:5514:37
10:45
#20170
21M
21.00 mi14:26:573:09:359:0211:11
11:11
#20326
35K
21.75 mi14:34:273:17:059:047:30
10:01
#20410
23M
23.00 mi14:47:073:29:459:0712:40
10:07
#20458
24M
24.00 mi14:57:413:40:199:1110:34
10:34
#20638
40K
24.85 mi15:07:053:49:439:159:24
11:00
#20788
25.2M
25.20 mi15:10:363:53:149:153:31
10:12
#20744
Finish
26.22 mi15:20:574:03:359:1810:21
10:09
#20838
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi128959602960219532(Top 69%)12290(Top 76%)12290(Top 218%)
10K6.21 mi3.10 mi14932-203710379-77710379-77716931(Top 60%)11221(Top 70%)11221(Top 199%)
15K9.32 mi3.11 mi16761-182911126-74711126-74719532(Top 69%)12290(Top 76%)12290(Top 218%)
20K12.43 mi3.11 mi18003-124211617-49111617-49121117(Top 74%)12939(Top 80%)12939(Top 229%)
Half13.11 mi0.68 mi18184-18111685-6811685-6821440(Top 75%)13096(Top 81%)13096(Top 232%)
25K15.53 mi2.42 mi19082-89812065-38012065-38022145(Top 78%)13352(Top 83%)13352(Top 237%)
30K18.64 mi3.11 mi19794-71212335-27012335-27021802(Top 77%)13074(Top 81%)13074(Top 232%)
20M20.00 mi1.36 mi20170-37612463-12812463-12823073(Top 81%)13557(Top 84%)13557(Top 240%)
21M21.00 mi1.00 mi20326-15612510-4712510-4721846(Top 77%)12899(Top 80%)12899(Top 229%)
35K21.75 mi0.75 mi20410-8412537-2712537-2721943(Top 77%)12869(Top 80%)12869(Top 228%)
23M23.00 mi1.25 mi20458-4812538-112538-120861(Top 73%)12324(Top 77%)12324(Top 218%)
24M24.00 mi1.00 mi20638-18012604-6612604-6622985(Top 81%)13296(Top 83%)13296(Top 236%)
40K24.85 mi0.85 mi20788-15012653-4912653-4923121(Top 81%)13293(Top 83%)13293(Top 236%)
25.2M25.20 mi0.35 mi20744+4412622+3112622+3117866(Top 63%)10768(Top 67%)10768(Top 191%)
Finish26.22 mi1.02 mi20838-9412647-2512647-2523390(Top 82%)13461(Top 84%)13461(Top 239%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

19532

Males

12290

M18-39

12290

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

16931

Males

11221

M18-39

11221

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

19532

Males

12290

M18-39

12290

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

21117

Males

12939

M18-39

12939

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

21440

Males

13096

M18-39

13096

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

22145

Males

13352

M18-39

13352

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

21802

Males

13074

M18-39

13074

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

23073

Males

13557

M18-39

13557

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

21846

Males

12899

M18-39

12899

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

21943

Males

12869

M18-39

12869

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

20861

Males

12324

M18-39

12324

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

22985

Males

13296

M18-39

13296

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

23121

Males

13293

M18-39

13293

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17866

Males

10768

M18-39

10768

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

23390

Males

13461

M18-39

13461

Passing Analysis

Category:
Athletes Passed
464
Passed By
8407
Net Change
-7943
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12895
5K → 10K192056-2037#12895#14932
10K → 15K121841-1829#14932#16761
15K → 20K281270-1242#16761#18003
20K → Half13194-181#18003#18184
Half → 25K27925-898#18184#19082
25K → 30K72784-712#19082#19794
30K → 20M33409-376#19794#20170
20M → 21M46202-156#20170#20326
21M → 35K35119-84#20326#20410
35K → 23M72120-48#20410#20458
23M → 24M24204-180#20458#20638
24M → 40K19169-150#20638#20788
40K → 25.2M495+44#20788#20744
25.2M → Finish15109-94#20744#20838
TOTALS4648407-7943
📊

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