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BOSTON MARATHON 2025

Malcolm Smith

Bib: 4801•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 20%
Division (M18-39)
#0 / 5642
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:04
Rank: #3537
Start → 5K
20:04 | 6:28/mi
10K· 6.21 mi
39:54
Rank: #3212 (+325)
5K → 10K
19:50 | 6:23/mi
15K· 9.32 mi
59:45
Rank: #3079 (+133)
10K → 15K
19:51 | 6:23/mi
20K· 12.43 mi
1:19:56
Rank: #3058 (+21)
15K → 20K
20:11 | 6:30/mi
Half· 13.11 mi
1:24:21
Rank: #3082 (-24)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:40:24
Rank: #3150 (-68)
Half → 25K
16:03 | 6:37/mi
30K· 18.64 mi
2:01:38
Rank: #3185 (-35)
25K → 30K
21:14 | 6:50/mi
20M
2:11:07
Rank: #3187 (-2)
30K → 20M
9:29 | 6:59/mi
21M
2:18:35
Rank: #3225 (-38)
20M → 21M
7:28 | 7:28/mi
35K· 21.75 mi
2:23:43
Rank: #3247 (-22)
21M → 35K
5:08 | 6:52/mi
23M
2:32:39
Rank: #3271 (-24)
35K → 23M
8:56 | 7:08/mi
24M
2:39:38
Rank: #3286 (-15)
23M → 24M
6:59 | 6:59/mi
40K· 24.85 mi
2:45:50
Rank: #3336 (-50)
24M → 40K
6:12 | 7:15/mi
25.2M
2:48:36
Rank: #3371 (-35)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
2:55:42
Rank: #3408 (-37)
25.2M → Finish
7:06 | 6:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:21
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time1:31:21
Pace6:58 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3520:046:2820:04
6:28
-
10K
6.21 mi10:44:2539:546:2519:50
6:23
-0:05
15K
9.32 mi11:04:1659:456:2519:51
6:23
0:00
20K
12.43 mi11:24:271:19:566:2620:11
6:30
+0:07
Half
13.11 mi11:28:521:24:216:264:25
6:28
-0:02
25K
15.53 mi11:44:551:40:246:2816:03
6:37
+0:09
30K
18.64 mi12:06:092:01:386:3121:14
6:50
+0:13
20M
20.00 mi12:15:382:11:076:339:29
6:59
+0:09
21M
21.00 mi12:23:062:18:356:367:28
7:28
+0:29
35K
21.75 mi12:28:142:23:436:365:08
6:52
-0:36
23M
23.00 mi12:37:102:32:396:388:56
7:08
+0:16
24M
24.00 mi12:44:092:39:386:396:59
6:59
-0:09
40K
24.85 mi12:50:212:45:506:406:12
7:15
+0:16
25.2M
25.20 mi12:53:072:48:366:412:46
8:01
+0:46
Finish
26.22 mi13:00:132:55:426:427:06
6:58
-1:03

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

6:23 /mi

Average Pace

6:42 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:24

57% of race

Time at Steady Pace

49:56

28% of race

Time at Slower Pace

25:22

14% of race

Average Pace: 6:42 /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 mi10:24:3520:046:2820:04
6:28
#3537
10K
6.21 mi10:44:2539:546:2519:50
6:23
#3212
15K
9.32 mi11:04:1659:456:2519:51
6:23
#3079
20K
12.43 mi11:24:271:19:566:2620:11
6:30
#3058
Half
13.11 mi11:28:521:24:216:264:25
6:28
#3082
25K
15.53 mi11:44:551:40:246:2816:03
6:37
#3150
30K
18.64 mi12:06:092:01:386:3121:14
6:50
#3185
20M
20.00 mi12:15:382:11:076:339:29
6:59
#3187
21M
21.00 mi12:23:062:18:356:367:28
7:28
#3225
35K
21.75 mi12:28:142:23:436:365:08
6:52
#3247
23M
23.00 mi12:37:102:32:396:388:56
7:08
#3271
24M
24.00 mi12:44:092:39:386:396:59
6:59
#3286
40K
24.85 mi12:50:212:45:506:406:12
7:15
#3336
25.2M
25.20 mi12:53:072:48:366:412:46
8:01
#3371
Finish
26.22 mi13:00:132:55:426:427:06
6:58
#3408
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3537335933592881(Top 10%)2746(Top 17%)2746(Top 49%)
10K6.21 mi3.10 mi3212+3253054+3053054+3052944(Top 10%)2803(Top 17%)2803(Top 50%)
15K9.32 mi3.11 mi3079+1332932+1222932+1222881(Top 10%)2746(Top 17%)2746(Top 49%)
20K12.43 mi3.11 mi3058+212916+162916+163117(Top 11%)2960(Top 18%)2960(Top 52%)
Half13.11 mi0.68 mi3082-242939-232939-233542(Top 12%)3358(Top 21%)3358(Top 60%)
25K15.53 mi2.42 mi3150-683003-643003-643596(Top 13%)3388(Top 21%)3388(Top 60%)
30K18.64 mi3.11 mi3185-353026-233026-233661(Top 13%)3391(Top 21%)3391(Top 60%)
20M20.00 mi1.36 mi3187-23020+63020+63996(Top 14%)3664(Top 23%)3664(Top 65%)
21M21.00 mi1.00 mi3225-383051-313051-314449(Top 16%)3967(Top 25%)3967(Top 70%)
35K21.75 mi0.75 mi3247-223066-153066-154502(Top 16%)4004(Top 25%)4004(Top 71%)
23M23.00 mi1.25 mi3271-243086-203086-204516(Top 16%)3967(Top 25%)3967(Top 70%)
24M24.00 mi1.00 mi3286-153094-83094-84550(Top 16%)3943(Top 24%)3943(Top 70%)
40K24.85 mi0.85 mi3336-503137-433137-435362(Top 19%)4463(Top 28%)4463(Top 79%)
25.2M25.20 mi0.35 mi3371-353162-253162-256025(Top 21%)4751(Top 30%)4751(Top 84%)
Finish26.22 mi1.02 mi3408-373191-293191-295499(Top 19%)4423(Top 27%)4423(Top 78%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2881

Males

2746

M18-39

2746

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2944

Males

2803

M18-39

2803

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2881

Males

2746

M18-39

2746

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3117

Males

2960

M18-39

2960

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3542

Males

3358

M18-39

3358

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3596

Males

3388

M18-39

3388

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3661

Males

3391

M18-39

3391

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3996

Males

3664

M18-39

3664

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4449

Males

3967

M18-39

3967

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4502

Males

4004

M18-39

4004

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4516

Males

3967

M18-39

3967

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4550

Males

3943

M18-39

3943

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5362

Males

4463

M18-39

4463

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

6025

Males

4751

M18-39

4751

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5499

Males

4423

M18-39

4423

Passing Analysis

Category:
Athletes Passed
1061
Passed By
932
Net Change
+129
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3537
5K → 10K35934+325#3537#3212
10K → 15K15926+133#3212#3079
15K → 20K9776+21#3079#3058
20K → Half933-24#3058#3082
Half → 25K45113-68#3082#3150
25K → 30K97132-35#3150#3185
30K → 20M5658-2#3185#3187
20M → 21M4078-38#3187#3225
21M → 35K2648-22#3225#3247
35K → 23M6387-24#3247#3271
23M → 24M3954-15#3271#3286
24M → 40K2474-50#3286#3336
40K → 25.2M1651-35#3336#3371
25.2M → Finish3168-37#3371#3408
TOTALS1061932+129
📊

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