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BOSTON MARATHON 2025

Thomas Smith

Bib: 18506 M US

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
Top 28%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:58/mi
24:46
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:06/mi
49:55
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:08/mi
1:15:12
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:30/mi
1:41:35
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:29/mi
1:47:22
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:32/mi
2:08:03
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:56/mi
2:35:49
↑ 181↓ 1480.2%
138 ft elev
20M
8:52/mi
2:47:52
↑ 64↓ 500.2%
148 ft elev
21M
10:01/mi
2:57:53
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:32/mi
3:05:01
↑ 17↓ 861.7%
156 ft elev
23M
10:05/mi
3:17:39
↑ 23↓ 630.6%
116 ft elev
24M
10:15/mi
3:27:54
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:11/mi
3:37:28
↓ 200.3%
20 ft elev
25.2M
11:33/mi
3:41:27
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:31/mi
3:52:10
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:22
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time2:04:48
Pace9:31 /mi
📊Positive Split: 16.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5824:467:5824:46
7:58
-
10K
6.21 mi11:41:0749:558:0225:09
8:06
+0:08
15K
9.32 mi12:06:241:15:128:0425:17
8:08
+0:02
20K
12.43 mi12:32:471:41:358:1026:23
8:30
+0:22
Half
13.11 mi12:38:341:47:228:115:47
8:29
-0:01
25K
15.53 mi12:59:152:08:038:1520:41
8:32
+0:03
30K
18.64 mi13:27:012:35:498:2227:46
8:56
+0:24
20M
20.00 mi13:39:042:47:528:2412:03
8:52
-0:04
21M
21.00 mi13:49:052:57:538:2810:01
10:01
+1:09
35K
21.75 mi13:56:133:05:018:307:08
9:32
-0:29
23M
23.00 mi14:08:513:17:398:3612:38
10:05
+0:33
24M
24.00 mi14:19:063:27:548:4010:15
10:15
+0:10
40K
24.85 mi14:28:403:37:288:459:34
11:11
+0:56
25.2M
25.20 mi14:32:393:41:278:473:59
11:33
+0:22
Finish
26.22 mi14:43:223:52:108:5210:43
10:31
-1:02

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

7:58 /mi

Average Pace

8:52 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:12

32% of race

Time at Steady Pace

1:32:40

40% of race

Time at Slower Pace

1:04:18

28% of race

Average Pace: 8:51 /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 mi11:15:5824:467:5824:46
7:58
#16356
10K
6.21 mi11:41:0749:558:0225:09
8:06
#16778
15K
9.32 mi12:06:241:15:128:0425:17
8:08
#16836
20K
12.43 mi12:32:471:41:358:1026:23
8:30
#17170
Half
13.11 mi12:38:341:47:228:115:47
8:29
#17263
25K
15.53 mi12:59:152:08:038:1520:41
8:32
#17232
30K
18.64 mi13:27:012:35:498:2227:46
8:56
#17192
20M
20.00 mi13:39:042:47:528:2412:03
8:52
#17087
21M
21.00 mi13:49:052:57:538:2810:01
10:01
#17161
35K
21.75 mi13:56:133:05:018:307:08
9:32
#17317
23M
23.00 mi14:08:513:17:398:3612:38
10:05
#17626
24M
24.00 mi14:19:063:27:548:4010:15
10:15
#17917
40K
24.85 mi14:28:403:37:288:459:34
11:11
#18315
25.2M
25.20 mi14:32:393:41:278:473:59
11:33
#18408
Finish
26.22 mi14:43:223:52:108:5210:43
10:31
#18773
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi16356109451094516997(Top 60%)11218(Top 70%)11218(Top 1756%)
10K6.21 mi3.10 mi16778-42211128-18311128-18317147(Top 60%)11314(Top 70%)11314(Top 1771%)
15K9.32 mi3.11 mi16836-5811157-2911157-2916997(Top 60%)11218(Top 70%)11218(Top 1756%)
20K12.43 mi3.11 mi17170-33411277-12011277-12018170(Top 64%)11689(Top 73%)11689(Top 1829%)
Half13.11 mi0.68 mi17263-9311308-3111308-3119000(Top 67%)12040(Top 75%)12040(Top 1884%)
25K15.53 mi2.42 mi17232+3111282+2611282+2617371(Top 61%)11262(Top 70%)11262(Top 1762%)
30K18.64 mi3.11 mi17192+4011212+7011212+7017350(Top 61%)11086(Top 69%)11086(Top 1735%)
20M20.00 mi1.36 mi17087+10511135+7711135+7716041(Top 56%)10391(Top 65%)10391(Top 1626%)
21M21.00 mi1.00 mi17161-7411143-811143-818346(Top 65%)11321(Top 70%)11321(Top 1772%)
35K21.75 mi0.75 mi17317-15611176-3311176-3320429(Top 72%)12170(Top 76%)12170(Top 1905%)
23M23.00 mi1.25 mi17626-30911283-10711283-10720770(Top 73%)12279(Top 76%)12279(Top 1922%)
24M24.00 mi1.00 mi17917-29111390-10711390-10722072(Top 78%)12841(Top 80%)12841(Top 2010%)
40K24.85 mi0.85 mi18315-39811544-15411544-15423525(Top 83%)13509(Top 84%)13509(Top 2114%)
25.2M25.20 mi0.35 mi18408-9311578-3411578-3422148(Top 78%)12853(Top 80%)12853(Top 2011%)
Finish26.22 mi1.02 mi18773-36511715-13711715-13724302(Top 86%)13921(Top 86%)13921(Top 2179%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

16997

Males

11218

M65-69

11218

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

17147

Males

11314

M65-69

11314

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

16997

Males

11218

M65-69

11218

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

18170

Males

11689

M65-69

11689

20K→Half

12.4 - 13.1 mi

Top 67%
×2story building
+19ft-37ft

Overall

19000

Males

12040

M65-69

12040

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

17371

Males

11262

M65-69

11262

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

17350

Males

11086

M65-69

11086

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

16041

Males

10391

M65-69

10391

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

18346

Males

11321

M65-69

11321

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

20429

Males

12170

M65-69

12170

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

20770

Males

12279

M65-69

12279

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

22072

Males

12841

M65-69

12841

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23525

Males

13509

M65-69

13509

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22148

Males

12853

M65-69

12853

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

24302

Males

13921

M65-69

13921

Passing Analysis

Category:
Athletes Passed
1261
Passed By
3678
Net Change
-2417
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16356
5K → 10K148570-422#16356#16778
10K → 15K198256-58#16778#16836
15K → 20K101435-334#16836#17170
20K → Half12105-93#17170#17263
Half → 25K178147+31#17263#17232
25K → 30K242202+40#17232#17192
30K → 20M14439+105#17192#17087
20M → 21M97171-74#17087#17161
21M → 35K37193-156#17161#17317
35K → 23M48357-309#17317#17626
23M → 24M30321-291#17626#17917
24M → 40K13411-398#17917#18315
40K → 25.2M7100-93#18315#18408
25.2M → Finish6371-365#18408#18773
TOTALS12613678-2417
📊

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