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BOSTON MARATHON 2025

Matt James

Bib: 32541•M

NY

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

Start
0:00:00
Race begins
5K· 3.11 mi
24:38
Rank: #15978
Start → 5K
7:56/mi
24:38 split
10K· 6.21 mi
50:08
Rank: #17016 (-1038)
5K → 10K
8:12/mi
25:30 split
15K· 9.32 mi
1:15:22
Rank: #16965 (+51)
10K → 15K
8:07/mi
25:14 split
20K· 12.43 mi
1:41:01
Rank: #16879 (+86)
15K → 20K
8:15/mi
25:39 split
Half· 13.11 mi
1:46:25
Rank: #16791 (+88)
20K → Half
7:55/mi
5:24 split
25K· 15.53 mi
2:05:33
Rank: #16185 (+606)
Half → 25K
7:53/mi
19:08 split
30K· 18.64 mi
2:30:57
Rank: #15491 (+694)
25K → 30K
8:11/mi
25:24 split
20M
2:42:10
Rank: #15206 (+285)
30K → 20M
8:15/mi
11:13 split
21M
2:50:35
Rank: #14831 (+375)
20M → 21M
8:25/mi
8:25 split
35K· 21.75 mi
2:57:13
Rank: #14933 (-102)
21M → 35K
8:52/mi
6:38 split
23M
3:08:05
Rank: #14850 (+83)
35K → 23M
8:41/mi
10:52 split
24M
3:16:19
Rank: #14744 (+106)
23M → 24M
8:14/mi
8:14 split
40K· 24.85 mi
3:23:50
Rank: #14750 (-6)
24M → 40K
8:47/mi
7:31 split
25.2M
3:27:03
Rank: #14713 (+37)
40K → 25.2M
9:20/mi
3:13 split
Finish· 26.22 mi
3:36:54
Rank: #15072 (-359)
25.2M → Finish
9:40/mi
9:51 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:25
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:50:29
Pace8:26 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5224:387:5624:38
7:56
-
10K
6.21 mi11:15:2250:088:0425:30
8:12
+0:16
15K
9.32 mi11:40:361:15:228:0525:14
8:07
-0:05
20K
12.43 mi12:06:151:41:018:0825:39
8:15
+0:08
Half
13.11 mi12:11:391:46:258:075:24
7:55
-0:20
25K
15.53 mi12:30:472:05:338:0519:08
7:53
-0:02
30K
18.64 mi12:56:112:30:578:0625:24
8:11
+0:18
20M
20.00 mi13:07:242:42:108:0611:13
8:15
+0:04
21M
21.00 mi13:15:492:50:358:078:25
8:25
+0:10
35K
21.75 mi13:22:272:57:138:096:38
8:52
+0:27
23M
23.00 mi13:33:193:08:058:1110:52
8:41
-0:11
24M
24.00 mi13:41:333:16:198:118:14
8:14
-0:27
40K
24.85 mi13:49:043:23:508:127:31
8:47
+0:33
25.2M
25.20 mi13:52:173:27:038:133:13
9:20
+0:33
Finish
26.22 mi14:02:083:36:548:179:51
9:40
+0:20

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

7:53 /mi

Average Pace

8:17 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

49:10

23% of race

Time at Steady Pace

2:09:39

60% of race

Time at Slower Pace

38:05

18% of race

Average Pace: 8:16 /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 mi10:49:5224:387:5624:38
7:56
#15978
10K
6.21 mi11:15:2250:088:0425:30
8:12
#17016
15K
9.32 mi11:40:361:15:228:0525:14
8:07
#16965
20K
12.43 mi12:06:151:41:018:0825:39
8:15
#16879
Half
13.11 mi12:11:391:46:258:075:24
7:55
#16791
25K
15.53 mi12:30:472:05:338:0519:08
7:53
#16185
30K
18.64 mi12:56:112:30:578:0625:24
8:11
#15491
20M
20.00 mi13:07:242:42:108:0611:13
8:15
#15206
21M
21.00 mi13:15:492:50:358:078:25
8:25
#14831
35K
21.75 mi13:22:272:57:138:096:38
8:52
#14933
23M
23.00 mi13:33:193:08:058:1110:52
8:41
#14850
24M
24.00 mi13:41:333:16:198:118:14
8:14
#14744
40K
24.85 mi13:49:043:23:508:127:31
8:47
#14750
25.2M
25.20 mi13:52:173:27:038:133:13
9:20
#14713
Finish
26.22 mi14:02:083:36:548:179:51
9:40
#15072
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi15978107931079316878(Top 59%)11167(Top 69%)11167(Top 198%)
10K6.21 mi3.10 mi17016-103811226-43311226-43317930(Top 63%)11623(Top 72%)11623(Top 206%)
15K9.32 mi3.11 mi16965+5111223+311223+316878(Top 59%)11167(Top 69%)11167(Top 198%)
20K12.43 mi3.11 mi16879+8611162+6111162+6116649(Top 59%)11024(Top 68%)11024(Top 195%)
Half13.11 mi0.68 mi16791+8811136+2611136+2615163(Top 53%)10409(Top 65%)10409(Top 184%)
25K15.53 mi2.42 mi16185+60610869+26710869+26713034(Top 46%)9308(Top 58%)9308(Top 165%)
30K18.64 mi3.11 mi15491+69410502+36710502+36712638(Top 44%)8973(Top 56%)8973(Top 159%)
20M20.00 mi1.36 mi15206+28510348+15410348+15412174(Top 43%)8616(Top 53%)8616(Top 153%)
21M21.00 mi1.00 mi14831+37510162+18610162+1869959(Top 35%)7349(Top 46%)7349(Top 130%)
35K21.75 mi0.75 mi14933-10210193-3110193-3117563(Top 62%)10841(Top 67%)10841(Top 192%)
23M23.00 mi1.25 mi14850+8310127+6610127+6614405(Top 51%)9355(Top 58%)9355(Top 166%)
24M24.00 mi1.00 mi14744+10610046+8110046+8112793(Top 45%)8556(Top 53%)8556(Top 152%)
40K24.85 mi0.85 mi14750-610016+3010016+3015122(Top 53%)9498(Top 59%)9498(Top 168%)
25.2M25.20 mi0.35 mi14713+379994+229994+2213571(Top 48%)8741(Top 54%)8741(Top 155%)
Finish26.22 mi1.02 mi15072-35910115-12110115-12121763(Top 77%)12656(Top 79%)12656(Top 224%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

16878

Males

11167

M18-39

11167

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

17930

Males

11623

M18-39

11623

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

16878

Males

11167

M18-39

11167

15K→20K

9.3 - 12.4 mi

Top 59%
×5stories
+106ft-86ft

Overall

16649

Males

11024

M18-39

11024

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

15163

Males

10409

M18-39

10409

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

13034

Males

9308

M18-39

9308

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

12638

Males

8973

M18-39

8973

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

12174

Males

8616

M18-39

8616

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

9959

Males

7349

M18-39

7349

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

17563

Males

10841

M18-39

10841

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

14405

Males

9355

M18-39

9355

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12793

Males

8556

M18-39

8556

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

15122

Males

9498

M18-39

9498

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13571

Males

8741

M18-39

8741

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

21763

Males

12656

M18-39

12656

Passing Analysis

Category:
Athletes Passed
3059
Passed By
2153
Net Change
+906
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15978
5K → 10K671105-1038#15978#17016
10K → 15K224173+51#17016#16965
15K → 20K233147+86#16965#16879
20K → Half935+88#16879#16791
Half → 25K6082+606#16791#16185
25K → 30K6984+694#16185#15491
30K → 20M29813+285#15491#15206
20M → 21M3783+375#15206#14831
21M → 35K38140-102#14831#14933
35K → 23M15673+83#14933#14850
23M → 24M12822+106#14850#14744
24M → 40K6268-6#14744#14750
40K → 25.2M5922+37#14750#14713
25.2M → Finish17376-359#14713#15072
TOTALS30592153+906
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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