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BOSTON MARATHON 2025

Dean Smith

Bib: 5167•M

MN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 32%
Gender (Male)
#0 / 16105
Top 45%
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
7:20/mi
22:46
↑ 97↓ 3451.5%
10K· 6.21 mi
7:14/mi
45:14
↑ 79↓ 1380.4%
15K· 9.32 mi
7:12/mi
1:07:36
↑ 67↓ 78
20K· 12.43 mi
7:15/mi
1:30:07
↑ 106↓ 860.1%
Half· 13.11 mi
7:09/mi
1:35:00
↑ 19↓ 370.5%
25K· 15.53 mi
7:18/mi
1:52:43
↑ 66↓ 880.2%
30K· 18.64 mi
7:42/mi
2:16:37
↑ 181↓ 1480.2%
20M
7:49/mi
2:27:15
↑ 64↓ 500.2%
21M
8:31/mi
2:35:46
↑ 106↓ 241.6%
35K· 21.75 mi
7:38/mi
2:41:29
↑ 17↓ 861.7%
23M
7:53/mi
2:51:21
↑ 23↓ 630.6%
24M
7:40/mi
2:59:01
↓ 821.3%
40K· 24.85 mi
8:07/mi
3:05:57
↓ 200.3%
25.2M
9:11/mi
3:09:07
↑ 13↓ 160.2%
Finish· 26.22 mi
7:30/mi
3:16:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:00
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:41:46
Pace7:46 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4922:467:2022:46
7:20
-
10K
6.21 mi11:16:1745:147:1722:28
7:14
-0:06
15K
9.32 mi11:38:391:07:367:1522:22
7:12
-0:02
20K
12.43 mi12:01:101:30:077:1522:31
7:15
+0:03
Half
13.11 mi12:06:031:35:007:154:53
7:09
-0:06
25K
15.53 mi12:23:461:52:437:1517:43
7:18
+0:09
30K
18.64 mi12:47:402:16:377:2023:54
7:42
+0:24
20M
20.00 mi12:58:182:27:157:2210:38
7:49
+0:07
21M
21.00 mi13:06:492:35:467:258:31
8:31
+0:42
35K
21.75 mi13:12:322:41:297:265:43
7:38
-0:53
23M
23.00 mi13:22:242:51:217:279:52
7:53
+0:15
24M
24.00 mi13:30:042:59:017:287:40
7:40
-0:13
40K
24.85 mi13:37:003:05:577:296:56
8:07
+0:27
25.2M
25.20 mi13:40:103:09:077:303:10
9:11
+1:04
Finish
26.22 mi13:47:493:16:467:317:39
7:30
-1:41

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

7:09 /mi

Average Pace

7:31 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:43

57% of race

Time at Steady Pace

1:05:26

33% of race

Time at Slower Pace

18:37

9% of race

Average Pace: 7:30 /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 mi10:53:4922:467:2022:46
7:20
#10624
10K
6.21 mi11:16:1745:147:1722:28
7:14
#10169
15K
9.32 mi11:38:391:07:367:1522:22
7:12
#9765
20K
12.43 mi12:01:101:30:077:1522:31
7:15
#9424
Half
13.11 mi12:06:031:35:007:154:53
7:09
#9379
25K
15.53 mi12:23:461:52:437:1517:43
7:18
#9186
30K
18.64 mi12:47:402:16:377:2023:54
7:42
#9088
20M
20.00 mi12:58:182:27:157:2210:38
7:49
#9083
21M
21.00 mi13:06:492:35:467:258:31
8:31
#9137
35K
21.75 mi13:12:322:41:297:265:43
7:38
#9128
23M
23.00 mi13:22:242:51:217:279:52
7:53
#9073
24M
24.00 mi13:30:042:59:017:287:40
7:40
#9018
40K
24.85 mi13:37:003:05:577:296:56
8:07
#9079
25.2M
25.20 mi13:40:103:09:077:303:10
9:11
#9137
Finish
26.22 mi13:47:493:16:467:317:39
7:30
#9116
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi10624849684969101(Top 32%)7606(Top 47%)7606(Top 135%)
10K6.21 mi3.10 mi10169+4558254+2428254+2429739(Top 34%)8008(Top 50%)8008(Top 142%)
15K9.32 mi3.11 mi9765+4048012+2428012+2429101(Top 32%)7606(Top 47%)7606(Top 135%)
20K12.43 mi3.11 mi9424+3417792+2207792+2208592(Top 30%)7221(Top 45%)7221(Top 128%)
Half13.11 mi0.68 mi9379+457761+317761+318708(Top 31%)7320(Top 45%)7320(Top 130%)
25K15.53 mi2.42 mi9186+1937625+1367625+1368413(Top 30%)7007(Top 44%)7007(Top 124%)
30K18.64 mi3.11 mi9088+987517+1087517+1089130(Top 32%)7207(Top 45%)7207(Top 128%)
20M20.00 mi1.36 mi9083+57483+347483+349178(Top 32%)7089(Top 44%)7089(Top 126%)
21M21.00 mi1.00 mi9137-547480+37480+310540(Top 37%)7629(Top 47%)7629(Top 135%)
35K21.75 mi0.75 mi9128+97447+337447+339595(Top 34%)7149(Top 44%)7149(Top 127%)
23M23.00 mi1.25 mi9073+557376+717376+719126(Top 32%)6784(Top 42%)6784(Top 120%)
24M24.00 mi1.00 mi9018+557316+607316+608880(Top 31%)6587(Top 41%)6587(Top 117%)
40K24.85 mi0.85 mi9079-617318-27318-210891(Top 38%)7501(Top 47%)7501(Top 133%)
25.2M25.20 mi0.35 mi9137-587327-97327-912730(Top 45%)8315(Top 52%)8315(Top 147%)
Finish26.22 mi1.02 mi9116+217276+517276+519220(Top 32%)6565(Top 41%)6565(Top 116%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

9101

Males

7606

M18-39

7606

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9739

Males

8008

M18-39

8008

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

9101

Males

7606

M18-39

7606

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

8592

Males

7221

M18-39

7221

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8708

Males

7320

M18-39

7320

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

8413

Males

7007

M18-39

7007

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

9130

Males

7207

M18-39

7207

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

9178

Males

7089

M18-39

7089

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

10540

Males

7629

M18-39

7629

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9595

Males

7149

M18-39

7149

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

9126

Males

6784

M18-39

6784

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8880

Males

6587

M18-39

6587

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10891

Males

7501

M18-39

7501

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12730

Males

8315

M18-39

8315

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

9220

Males

6565

M18-39

6565

Passing Analysis

Category:
Athletes Passed
2575*
Passed By
1067
Net Change
+1508
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10624
5K → 10K54792+455#10624#10169
10K → 15K439*35+404#10169#9765
15K → 20K37332+341#9765#9424
20K → Half505+45#9424#9379
Half → 25K24552+193#9379#9186
25K → 30K262164+98#9186#9088
30K → 20M114109+5#9088#9083
20M → 21M78132-54#9083#9137
21M → 35K5849+9#9137#9128
35K → 23M13176+55#9128#9073
23M → 24M10247+55#9073#9018
24M → 40K64125-61#9018#9079
40K → 25.2M2280-58#9079#9137
25.2M → Finish9069+21#9137#9116
TOTALS2575*1067+1508

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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