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BOSTON MARATHON 2025

Matt Book

Bib: 1589•M

OR

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 27%
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
6:16/mi
19:29
↑ 97↓ 3451.5%
10K· 6.21 mi
6:13/mi
38:47
↑ 79↓ 1380.4%
15K· 9.32 mi
6:13/mi
58:05
↑ 67↓ 78
20K· 12.43 mi
6:29/mi
1:18:13
↑ 106↓ 860.1%
Half· 13.11 mi
6:34/mi
1:22:42
↑ 19↓ 370.5%
25K· 15.53 mi
6:47/mi
1:39:08
↑ 66↓ 880.2%
30K· 18.64 mi
7:25/mi
2:02:11
↑ 181↓ 1480.2%
20M
7:35/mi
2:12:29
↑ 64↓ 500.2%
21M
8:07/mi
2:20:36
↑ 106↓ 241.6%
35K· 21.75 mi
7:51/mi
2:26:28
↑ 17↓ 861.7%
23M
8:02/mi
2:36:31
↑ 23↓ 630.6%
24M
7:27/mi
2:43:58
↓ 821.3%
40K· 24.85 mi
7:30/mi
2:50:23
↓ 200.3%
25.2M
7:58/mi
2:53:08
↑ 13↓ 160.2%
Finish· 26.22 mi
7:08/mi
3:00:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:42
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:37:42
Pace7:27 /mi
📊Positive Split: 18.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1719:296:1619:29
6:16
-
10K
6.21 mi10:39:3538:476:1419:18
6:13
-0:03
15K
9.32 mi10:58:5358:056:1419:18
6:13
0:00
20K
12.43 mi11:19:011:18:136:1820:08
6:29
+0:16
Half
13.11 mi11:23:301:22:426:184:29
6:34
+0:05
25K
15.53 mi11:39:561:39:086:2316:26
6:47
+0:13
30K
18.64 mi12:02:592:02:116:3323:03
7:25
+0:38
20M
20.00 mi12:13:172:12:296:3710:18
7:35
+0:10
21M
21.00 mi12:21:242:20:366:428:07
8:07
+0:32
35K
21.75 mi12:27:162:26:286:445:52
7:51
-0:16
23M
23.00 mi12:37:192:36:316:4810:03
8:02
+0:11
24M
24.00 mi12:44:462:43:586:507:27
7:27
-0:35
40K
24.85 mi12:51:112:50:236:516:25
7:30
+0:03
25.2M
25.20 mi12:53:562:53:086:522:45
7:58
+0:28
Finish
26.22 mi13:01:123:00:246:537:16
7:08
-0:50

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

6:13 /mi

Average Pace

6:53 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:08

55% of race

Time at Steady Pace

54:29

30% of race

Time at Slower Pace

26:47

15% of race

Average Pace: 6:53 /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 mi10:20:1719:296:1619:29
6:16
#2259
10K
6.21 mi10:39:3538:476:1419:18
6:13
#2086
15K
9.32 mi10:58:5358:056:1419:18
6:13
#2004
20K
12.43 mi11:19:011:18:136:1820:08
6:29
#2229
Half
13.11 mi11:23:301:22:426:184:29
6:34
#2308
25K
15.53 mi11:39:561:39:086:2316:26
6:47
#2636
30K
18.64 mi12:02:592:02:116:3323:03
7:25
#3356
20M
20.00 mi12:13:172:12:296:3710:18
7:35
#3616
21M
21.00 mi12:21:242:20:366:428:07
8:07
#3819
35K
21.75 mi12:27:162:26:286:445:52
7:51
#4077
23M
23.00 mi12:37:192:36:316:4810:03
8:02
#4418
24M
24.00 mi12:44:462:43:586:507:27
7:27
#4558
40K
24.85 mi12:51:112:50:236:516:25
7:30
#4660
25.2M
25.20 mi12:53:562:53:086:522:45
7:58
#4678
Finish
26.22 mi13:01:123:00:246:537:16
7:08
#4772
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2259215821581914(Top 7%)1823(Top 11%)1823(Top 32%)
10K6.21 mi3.10 mi2086+1731989+1691989+1691977(Top 7%)1881(Top 12%)1881(Top 33%)
15K9.32 mi3.11 mi2004+821908+811908+811914(Top 7%)1823(Top 11%)1823(Top 32%)
20K12.43 mi3.11 mi2229-2252130-2222130-2223009(Top 11%)2863(Top 18%)2863(Top 51%)
Half13.11 mi0.68 mi2308-792203-732203-734149(Top 15%)3888(Top 24%)3888(Top 69%)
25K15.53 mi2.42 mi2636-3282517-3142517-3144694(Top 17%)4323(Top 27%)4323(Top 77%)
30K18.64 mi3.11 mi3356-7203177-6603177-6607156(Top 25%)6059(Top 38%)6059(Top 107%)
20M20.00 mi1.36 mi3616-2603412-2353412-2357498(Top 26%)6127(Top 38%)6127(Top 109%)
21M21.00 mi1.00 mi3819-2033588-1763588-1768010(Top 28%)6245(Top 39%)6245(Top 111%)
35K21.75 mi0.75 mi4077-2583806-2183806-21811065(Top 39%)7876(Top 49%)7876(Top 140%)
23M23.00 mi1.25 mi4418-3414090-2844090-28410177(Top 36%)7310(Top 45%)7310(Top 130%)
24M24.00 mi1.00 mi4558-1404198-1084198-1087316(Top 26%)5703(Top 35%)5703(Top 101%)
40K24.85 mi0.85 mi4660-1024279-814279-816800(Top 24%)5305(Top 33%)5305(Top 94%)
25.2M25.20 mi0.35 mi4678-184290-114290-115734(Top 20%)4559(Top 28%)4559(Top 81%)
Finish26.22 mi1.02 mi4772-944364-744364-746529(Top 23%)5041(Top 31%)5041(Top 89%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21story building
+97ft-345ft

Overall

1914

Males

1823

M18-39

1823

5K→10K

3.1 - 6.2 mi

Top 7%
×5story building
+79ft-138ft

Overall

1977

Males

1881

M18-39

1881

10K→15K

6.2 - 9.3 mi

Top 7%
×3story building
+67ft-78ft

Overall

1914

Males

1823

M18-39

1823

15K→20K

9.3 - 12.4 mi

Top 11%
×5story building
+106ft-86ft

Overall

3009

Males

2863

M18-39

2863

20K→Half

12.4 - 13.1 mi

Top 15%
×2story building
+19ft-37ft

Overall

4149

Males

3888

M18-39

3888

Half→25K

13.1 - 15.5 mi

Top 17%
×4story building
+66ft-88ft

Overall

4694

Males

4323

M18-39

4323

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

7156

Males

6059

M18-39

6059

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

7498

Males

6127

M18-39

6127

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

8010

Males

6245

M18-39

6245

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

11065

Males

7876

M18-39

7876

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

10177

Males

7310

M18-39

7310

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

7316

Males

5703

M18-39

5703

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6800

Males

5305

M18-39

5305

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5734

Males

4559

M18-39

4559

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6529

Males

5041

M18-39

5041

Passing Analysis

Category:
Athletes Passed
533
Passed By
3046
Net Change
-2513
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2259
5K → 10K21744+173#2259#2086
10K → 15K11230+82#2086#2004
15K → 20K22247-225#2004#2229
20K → Half180-79#2229#2308
Half → 25K15343-328#2308#2636
25K → 30K13733-720#2636#3356
30K → 20M20280-260#3356#3616
20M → 21M14217-203#3616#3819
21M → 35K10268-258#3819#4077
35K → 23M19360-341#4077#4418
23M → 24M24164-140#4418#4558
24M → 40K30132-102#4558#4660
40K → 25.2M2240-18#4660#4678
25.2M → Finish14108-94#4678#4772
TOTALS5333046-2513
📊

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