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BOSTON MARATHON 2025

Stacy Smith

Bib: 21859•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:48
Rank: #16430
Start → 5K
7:59/mi
24:48 split
10K· 6.21 mi
49:16
Rank: #15931 (+499)
5K → 10K
7:53/mi
24:28 split
15K· 9.32 mi
1:13:36
Rank: #15457 (+474)
10K → 15K
7:50/mi
24:20 split
20K· 12.43 mi
1:38:26
Rank: #15270 (+187)
15K → 20K
8:00/mi
24:50 split
Half· 13.11 mi
1:43:50
Rank: #15282 (-12)
20K → Half
7:55/mi
5:24 split
25K· 15.53 mi
2:03:42
Rank: #15272 (+10)
Half → 25K
8:12/mi
19:52 split
30K· 18.64 mi
2:30:00
Rank: #15116 (+156)
25K → 30K
8:28/mi
26:18 split
20M
2:41:52
Rank: #15083 (+33)
30K → 20M
8:44/mi
11:52 split
21M
2:51:01
Rank: #14978 (+105)
20M → 21M
9:09/mi
9:09 split
35K· 21.75 mi
2:57:27
Rank: #15016 (-38)
21M → 35K
8:36/mi
6:26 split
23M
3:08:52
Rank: #15117 (-101)
35K → 23M
9:07/mi
11:25 split
24M
3:17:55
Rank: #15236 (-119)
23M → 24M
9:03/mi
9:03 split
40K· 24.85 mi
3:26:13
Rank: #15420 (-184)
24M → 40K
9:42/mi
8:18 split
25.2M
3:30:19
Rank: #15598 (-178)
40K → 25.2M
11:53/mi
4:06 split
Finish· 26.22 mi
3:40:32
Rank: #15999 (-401)
25.2M → Finish
10:02/mi
10:13 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:50
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:56:42
Pace8:54 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:2524:487:5924:48
7:59
-
10K
6.21 mi11:43:5349:167:5624:28
7:53
-0:06
15K
9.32 mi12:08:131:13:367:5424:20
7:50
-0:03
20K
12.43 mi12:33:031:38:267:5524:50
8:00
+0:10
Half
13.11 mi12:38:271:43:507:555:24
7:55
-0:05
25K
15.53 mi12:58:192:03:427:5819:52
8:12
+0:17
30K
18.64 mi13:24:372:30:008:0326:18
8:28
+0:16
20M
20.00 mi13:36:292:41:528:0611:52
8:44
+0:16
21M
21.00 mi13:45:382:51:018:099:09
9:09
+0:25
35K
21.75 mi13:52:042:57:278:106:26
8:36
-0:33
23M
23.00 mi14:03:293:08:528:1311:25
9:07
+0:31
24M
24.00 mi14:12:323:17:558:159:03
9:03
-0:04
40K
24.85 mi14:20:503:26:138:188:18
9:42
+0:39
25.2M
25.20 mi14:24:563:30:198:214:06
11:53
+2:11
Finish
26.22 mi14:35:093:40:328:2510:13
10:02
-1:51

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

7:50 /mi

Average Pace

8:25 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:50

47% of race

Time at Steady Pace

1:24:56

39% of race

Time at Slower Pace

31:46

14% of race

Average Pace: 8:25 /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 mi11:19:2524:487:5924:48
7:59
#16430
10K
6.21 mi11:43:5349:167:5624:28
7:53
#15931
15K
9.32 mi12:08:131:13:367:5424:20
7:50
#15457
20K
12.43 mi12:33:031:38:267:5524:50
8:00
#15270
Half
13.11 mi12:38:271:43:507:555:24
7:55
#15282
25K
15.53 mi12:58:192:03:427:5819:52
8:12
#15272
30K
18.64 mi13:24:372:30:008:0326:18
8:28
#15116
20M
20.00 mi13:36:292:41:528:0611:52
8:44
#15083
21M
21.00 mi13:45:382:51:018:099:09
9:09
#14978
35K
21.75 mi13:52:042:57:278:106:26
8:36
#15016
23M
23.00 mi14:03:293:08:528:1311:25
9:07
#15117
24M
24.00 mi14:12:323:17:558:159:03
9:03
#15236
40K
24.85 mi14:20:503:26:138:188:18
9:42
#15420
25.2M
25.20 mi14:24:563:30:198:214:06
11:53
#15598
Finish
26.22 mi14:35:093:40:328:2510:13
10:02
#15999
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16430109771097714644(Top 52%)10219(Top 63%)10219(Top 812%)
10K6.21 mi3.10 mi15931+49910792+18510792+18515473(Top 54%)10606(Top 66%)10606(Top 842%)
15K9.32 mi3.11 mi15457+47410593+19910593+19914644(Top 52%)10219(Top 63%)10219(Top 812%)
20K12.43 mi3.11 mi15270+18710490+10310490+10314876(Top 52%)10256(Top 64%)10256(Top 815%)
Half13.11 mi0.68 mi15282-1210496-610496-615186(Top 53%)10432(Top 65%)10432(Top 829%)
25K15.53 mi2.42 mi15272+1010467+2910467+2915268(Top 54%)10346(Top 64%)10346(Top 822%)
30K18.64 mi3.11 mi15116+15610340+12710340+12714548(Top 51%)9859(Top 61%)9859(Top 783%)
20M20.00 mi1.36 mi15083+3310289+5110289+5115246(Top 54%)10032(Top 62%)10032(Top 797%)
21M21.00 mi1.00 mi14978+10510228+6110228+6114342(Top 50%)9497(Top 59%)9497(Top 754%)
35K21.75 mi0.75 mi15016-3810226+210226+216033(Top 56%)10185(Top 63%)10185(Top 809%)
23M23.00 mi1.25 mi15117-10110240-1410240-1416898(Top 59%)10460(Top 65%)10460(Top 831%)
24M24.00 mi1.00 mi15236-11910250-1010250-1017599(Top 62%)10739(Top 67%)10739(Top 853%)
40K24.85 mi0.85 mi15420-18410296-4610296-4619484(Top 69%)11547(Top 72%)11547(Top 917%)
25.2M25.20 mi0.35 mi15598-17810365-6910365-6922957(Top 81%)13251(Top 82%)13251(Top 1053%)
Finish26.22 mi1.02 mi15999-40110527-16210527-16222989(Top 81%)13268(Top 82%)13268(Top 1054%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

14644

Males

10219

M60-64

10219

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

15473

Males

10606

M60-64

10606

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

14644

Males

10219

M60-64

10219

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

14876

Males

10256

M60-64

10256

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

15186

Males

10432

M60-64

10432

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

15268

Males

10346

M60-64

10346

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

14548

Males

9859

M60-64

9859

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

15246

Males

10032

M60-64

10032

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

14342

Males

9497

M60-64

9497

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

16033

Males

10185

M60-64

10185

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

16898

Males

10460

M60-64

10460

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

17599

Males

10739

M60-64

10739

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19484

Males

11547

M60-64

11547

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

22957

Males

13251

M60-64

13251

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

22989

Males

13268

M60-64

13268

Passing Analysis

Category:
Athletes Passed
2466
Passed By
2035
Net Change
+431
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16430
5K → 10K619120+499#16430#15931
10K → 15K50935+474#15931#15457
15K → 20K288101+187#15457#15270
20K → Half3850-12#15270#15282
Half → 25K182172+10#15282#15272
25K → 30K307151+156#15272#15116
30K → 20M138105+33#15116#15083
20M → 21M16156+105#15083#14978
21M → 35K4684-38#14978#15016
35K → 23M77178-101#15016#15117
23M → 24M52171-119#15117#15236
24M → 40K33217-184#15236#15420
40K → 25.2M5183-178#15420#15598
25.2M → Finish11412-401#15598#15999
TOTALS24662035+431
📊

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