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BOSTON MARATHON 2025

Bob Smaltz

Bib: 21400•M

OH

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 48%
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
8:01/mi
24:54
↑ 97↓ 3451.5%
10K· 6.21 mi
8:06/mi
50:03
↑ 79↓ 1380.4%
15K· 9.32 mi
8:23/mi
1:16:05
↑ 67↓ 78
20K· 12.43 mi
8:42/mi
1:43:08
↑ 106↓ 860.1%
Half· 13.11 mi
8:29/mi
1:48:55
↑ 19↓ 370.5%
25K· 15.53 mi
8:47/mi
2:10:12
↑ 66↓ 880.2%
30K· 18.64 mi
9:07/mi
2:38:31
↑ 181↓ 1480.2%
20M
9:10/mi
2:50:58
↑ 64↓ 500.2%
21M
10:06/mi
3:01:04
↑ 106↓ 241.6%
35K· 21.75 mi
9:27/mi
3:08:08
↑ 17↓ 861.7%
23M
9:04/mi
3:19:29
↑ 23↓ 630.6%
24M
8:57/mi
3:28:26
↓ 821.3%
40K· 24.85 mi
9:33/mi
3:36:36
↓ 200.3%
25.2M
10:26/mi
3:40:12
↑ 13↓ 160.2%
Finish· 26.22 mi
9:08/mi
3:49:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:55
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time2:00:35
Pace9:12 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:3124:548:0124:54
8:01
-
10K
6.21 mi11:44:4050:038:0325:09
8:06
+0:05
15K
9.32 mi12:10:421:16:058:1026:02
8:23
+0:17
20K
12.43 mi12:37:451:43:088:1827:03
8:42
+0:19
Half
13.11 mi12:43:321:48:558:185:47
8:29
-0:13
25K
15.53 mi13:04:492:10:128:2321:17
8:47
+0:18
30K
18.64 mi13:33:082:38:318:3028:19
9:07
+0:20
20M
20.00 mi13:45:352:50:588:3312:27
9:10
+0:03
21M
21.00 mi13:55:413:01:048:3710:06
10:06
+0:56
35K
21.75 mi14:02:453:08:088:397:04
9:27
-0:39
23M
23.00 mi14:14:063:19:298:4011:21
9:04
-0:23
24M
24.00 mi14:23:033:28:268:418:57
8:57
-0:07
40K
24.85 mi14:31:133:36:368:438:10
9:33
+0:36
25.2M
25.20 mi14:34:493:40:128:443:36
10:26
+0:53
Finish
26.22 mi14:44:073:49:308:469:18
9:08
-1:18

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

8:01 /mi

Average Pace

8:46 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:55

47% of race

Time at Steady Pace

1:31:39

40% of race

Time at Slower Pace

28:56

13% of race

Average Pace: 8:45 /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 mi11:19:3124:548:0124:54
8:01
#16699
10K
6.21 mi11:44:4050:038:0325:09
8:06
#16939
15K
9.32 mi12:10:421:16:058:1026:02
8:23
#17505
20K
12.43 mi12:37:451:43:088:1827:03
8:42
#17988
Half
13.11 mi12:43:321:48:558:185:47
8:29
#18027
25K
15.53 mi13:04:492:10:128:2321:17
8:47
#18141
30K
18.64 mi13:33:082:38:318:3028:19
9:07
#18149
20M
20.00 mi13:45:352:50:588:3312:27
9:10
#18083
21M
21.00 mi13:55:413:01:048:3710:06
10:06
#18148
35K
21.75 mi14:02:453:08:088:397:04
9:27
#18220
23M
23.00 mi14:14:063:19:298:4011:21
9:04
#18120
24M
24.00 mi14:23:033:28:268:418:57
8:57
#18058
40K
24.85 mi14:31:133:36:368:438:10
9:33
#18105
25.2M
25.20 mi14:34:493:40:128:443:36
10:26
#18121
Finish
26.22 mi14:44:073:49:308:469:18
9:08
#18208
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16699110781107818566(Top 65%)11872(Top 74%)11872(Top 943%)
10K6.21 mi3.10 mi16939-24011204-12611204-12617146(Top 60%)11313(Top 70%)11313(Top 899%)
15K9.32 mi3.11 mi17505-56611438-23411438-23418566(Top 65%)11872(Top 74%)11872(Top 943%)
20K12.43 mi3.11 mi17988-48311609-17111609-17119439(Top 68%)12218(Top 76%)12218(Top 970%)
Half13.11 mi0.68 mi18027-3911622-1311622-1318993(Top 67%)12033(Top 75%)12033(Top 956%)
25K15.53 mi2.42 mi18141-11411650-2811650-2818807(Top 66%)11880(Top 74%)11880(Top 944%)
30K18.64 mi3.11 mi18149-811618+3211618+3218243(Top 64%)11482(Top 71%)11482(Top 912%)
20M20.00 mi1.36 mi18083+6611563+5511563+5517592(Top 62%)11079(Top 69%)11079(Top 880%)
21M21.00 mi1.00 mi18148-6511573-1011573-1018654(Top 66%)11446(Top 71%)11446(Top 909%)
35K21.75 mi0.75 mi18220-7211582-911582-920115(Top 71%)12018(Top 75%)12018(Top 955%)
23M23.00 mi1.25 mi18120+10011506+7611506+7616620(Top 59%)10344(Top 64%)10344(Top 822%)
24M24.00 mi1.00 mi18058+6211462+4411462+4417102(Top 60%)10510(Top 65%)10510(Top 835%)
40K24.85 mi0.85 mi18105-4711451+1111451+1118893(Top 67%)11268(Top 70%)11268(Top 895%)
25.2M25.20 mi0.35 mi18121-16114511145118750(Top 66%)11194(Top 70%)11194(Top 889%)
Finish26.22 mi1.02 mi18208-8711475-2411475-2419604(Top 69%)11629(Top 72%)11629(Top 924%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

18566

Males

11872

M60-64

11872

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

17146

Males

11313

M60-64

11313

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

18566

Males

11872

M60-64

11872

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

19439

Males

12218

M60-64

12218

20K→Half

12.4 - 13.1 mi

Top 67%
×2story building
+19ft-37ft

Overall

18993

Males

12033

M60-64

12033

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

18807

Males

11880

M60-64

11880

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

18243

Males

11482

M60-64

11482

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

17592

Males

11079

M60-64

11079

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

18654

Males

11446

M60-64

11446

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

20115

Males

12018

M60-64

12018

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

16620

Males

10344

M60-64

10344

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

17102

Males

10510

M60-64

10510

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

18893

Males

11268

M60-64

11268

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18750

Males

11194

M60-64

11194

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

19604

Males

11629

M60-64

11629

Passing Analysis

Category:
Athletes Passed
1383
Passed By
2892
Net Change
-1509
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16699
5K → 10K196436-240#16699#16939
10K → 15K68634-566#16939#17505
15K → 20K75558-483#17505#17988
20K → Half3170-39#17988#18027
Half → 25K136250-114#18027#18141
25K → 30K244252-8#18141#18149
30K → 20M14983+66#18149#18083
20M → 21M73138-65#18083#18148
21M → 35K42114-72#18148#18220
35K → 23M15151+100#18220#18120
23M → 24M10341+62#18120#18058
24M → 40K53100-47#18058#18105
40K → 25.2M2541-16#18105#18121
25.2M → Finish37124-87#18121#18208
TOTALS13832892-1509
📊

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