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BOSTON MARATHON 2025

Matthew Shahidi

Bib: 31512•M

NJ

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
8:49/mi
27:25
↑ 97↓ 3451.5%
10K· 6.21 mi
9:06/mi
55:40
↑ 79↓ 1380.4%
15K· 9.32 mi
8:39/mi
1:22:34
↑ 67↓ 78
20K· 12.43 mi
9:16/mi
1:51:21
↑ 106↓ 860.1%
Half· 13.11 mi
9:02/mi
1:57:31
↑ 19↓ 370.5%
25K· 15.53 mi
10:00/mi
2:21:45
↑ 66↓ 880.2%
30K· 18.64 mi
10:59/mi
2:55:52
↑ 181↓ 1480.2%
20M
11:26/mi
3:11:24
↑ 64↓ 500.2%
21M
12:10/mi
3:23:34
↑ 106↓ 241.6%
35K· 21.75 mi
10:15/mi
3:31:14
↑ 17↓ 861.7%
23M
12:03/mi
3:46:19
↑ 23↓ 630.6%
24M
11:41/mi
3:58:00
↓ 821.3%
40K· 24.85 mi
12:11/mi
4:08:25
↓ 200.3%
25.2M
12:19/mi
4:12:40
↑ 13↓ 160.2%
Finish· 26.22 mi
9:52/mi
4:22:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:31
Pace8:58 /mi
2nd Half
Distance13.11 mi
Time2:25:12
Pace11:05 /mi
📊Positive Split: 23.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:3727:258:4927:25
8:49
-
10K
6.21 mi12:18:5255:408:5828:15
9:06
+0:17
15K
9.32 mi12:45:461:22:348:5226:54
8:39
-0:27
20K
12.43 mi13:14:331:51:218:5828:47
9:16
+0:37
Half
13.11 mi13:20:431:57:318:586:10
9:02
-0:14
25K
15.53 mi13:44:572:21:459:0724:14
10:00
+0:58
30K
18.64 mi14:19:042:55:529:2634:07
10:59
+0:59
20M
20.00 mi14:34:363:11:249:3415:32
11:26
+0:27
21M
21.00 mi14:46:463:23:349:4212:10
12:10
+0:44
35K
21.75 mi14:54:263:31:149:437:40
10:15
-1:55
23M
23.00 mi15:09:313:46:199:5015:05
12:03
+1:48
24M
24.00 mi15:21:123:58:009:5511:41
11:41
-0:22
40K
24.85 mi15:31:374:08:2510:0010:25
12:11
+0:30
25.2M
25.20 mi15:35:524:12:4010:024:15
12:19
+0:08
Finish
26.22 mi15:45:554:22:4310:0210:03
9:52
-2:27

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

8:39 /mi

Average Pace

10:02 /mi

Slowest Pace

12:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:31

45% of race

Time at Steady Pace

41:57

16% of race

Time at Slower Pace

1:43:15

39% of race

Average Pace: 10:01 /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 mi11:50:3727:258:4927:25
8:49
#21639
10K
6.21 mi12:18:5255:408:5828:15
9:06
#22252
15K
9.32 mi12:45:461:22:348:5226:54
8:39
#21574
20K
12.43 mi13:14:331:51:218:5828:47
9:16
#21750
Half
13.11 mi13:20:431:57:318:586:10
9:02
#21764
25K
15.53 mi13:44:572:21:459:0724:14
10:00
#22128
30K
18.64 mi14:19:042:55:529:2634:07
10:59
#22619
20M
20.00 mi14:34:363:11:249:3415:32
11:26
#22779
21M
21.00 mi14:46:463:23:349:4212:10
12:10
#22850
35K
21.75 mi14:54:263:31:149:437:40
10:15
#22831
23M
23.00 mi15:09:313:46:199:5015:05
12:03
#23024
24M
24.00 mi15:21:123:58:009:5511:41
11:41
#23155
40K
24.85 mi15:31:374:08:2510:0010:25
12:11
#23249
25.2M
25.20 mi15:35:524:12:4010:024:15
12:19
#23256
Finish
26.22 mi15:45:554:22:4310:0210:03
9:52
#23238
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21639131531315320247(Top 71%)12623(Top 78%)12623(Top 224%)
10K6.21 mi3.10 mi22252-61313436-28313436-28322787(Top 80%)13712(Top 85%)13712(Top 243%)
15K9.32 mi3.11 mi21574+67813168+26813168+26820247(Top 71%)12623(Top 78%)12623(Top 224%)
20K12.43 mi3.11 mi21750-17613228-6013228-6022155(Top 78%)13428(Top 83%)13428(Top 238%)
Half13.11 mi0.68 mi21764-1413231-313231-321969(Top 77%)13328(Top 83%)13328(Top 236%)
25K15.53 mi2.42 mi22128-36413400-16913400-16923246(Top 82%)13856(Top 86%)13856(Top 246%)
30K18.64 mi3.11 mi22619-49113578-17813578-17823973(Top 84%)14059(Top 87%)14059(Top 249%)
20M20.00 mi1.36 mi22779-16013628-5013628-5024418(Top 86%)14175(Top 88%)14175(Top 251%)
21M21.00 mi1.00 mi22850-7113639-1113639-1123869(Top 84%)13853(Top 86%)13853(Top 246%)
35K21.75 mi0.75 mi22831+1913622+1713622+1722544(Top 79%)13183(Top 82%)13183(Top 234%)
23M23.00 mi1.25 mi23024-19313688-6613688-6625187(Top 89%)14425(Top 90%)14425(Top 256%)
24M24.00 mi1.00 mi23155-13113719-3113719-3125209(Top 89%)14408(Top 89%)14408(Top 255%)
40K24.85 mi0.85 mi23249-9413754-3513754-3525207(Top 89%)14373(Top 89%)14373(Top 255%)
25.2M25.20 mi0.35 mi23256-713753+113753+123848(Top 84%)13693(Top 85%)13693(Top 243%)
Finish26.22 mi1.02 mi23238+1813733+2013733+2022498(Top 79%)13030(Top 81%)13030(Top 231%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

20247

Males

12623

M18-39

12623

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

22787

Males

13712

M18-39

13712

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

20247

Males

12623

M18-39

12623

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

22155

Males

13428

M18-39

13428

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

21969

Males

13328

M18-39

13328

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

23246

Males

13856

M18-39

13856

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23973

Males

14059

M18-39

14059

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

24418

Males

14175

M18-39

14175

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

23869

Males

13853

M18-39

13853

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

22544

Males

13183

M18-39

13183

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

25187

Males

14425

M18-39

14425

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

25209

Males

14408

M18-39

14408

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25207

Males

14373

M18-39

14373

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23848

Males

13693

M18-39

13693

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

22498

Males

13030

M18-39

13030

Passing Analysis

Category:
Athletes Passed
1342
Passed By
2941
Net Change
-1599
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21639
5K → 10K81694-613#21639#22252
10K → 15K69315+678#22252#21574
15K → 20K133309-176#21574#21750
20K → Half3145-14#21750#21764
Half → 25K53417-364#21764#22128
25K → 30K71562-491#22128#22619
30K → 20M43203-160#22619#22779
20M → 21M41112-71#22779#22850
21M → 35K5334+19#22850#22831
35K → 23M23216-193#22831#23024
23M → 24M29160-131#23024#23155
24M → 40K26120-94#23155#23249
40K → 25.2M1522-7#23249#23256
25.2M → Finish5032+18#23256#23238
TOTALS13422941-1599
📊

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