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BOSTON MARATHON 2025

David Tucker

Bib: 3410•M

SC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 15%
Division (M18-39)
#0 / 5642
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:00
Rank: #3375
Start → 5K
20:00 | 6:26/mi
10K· 6.21 mi
39:45
Rank: #3047 (+328)
5K → 10K
19:45 | 6:21/mi
15K· 9.32 mi
59:20
Rank: #2775 (+272)
10K → 15K
19:35 | 6:18/mi
20K· 12.43 mi
1:19:37
Rank: #2901 (-126)
15K → 20K
20:17 | 6:32/mi
Half· 13.11 mi
1:24:02
Rank: #2932 (-31)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:39:38
Rank: #2829 (+103)
Half → 25K
15:36 | 6:26/mi
30K· 18.64 mi
2:00:07
Rank: #2694 (+135)
25K → 30K
20:29 | 6:36/mi
20M
2:09:04
Rank: #2593 (+101)
30K → 20M
8:57 | 6:35/mi
21M
2:16:00
Rank: #2524 (+69)
20M → 21M
6:56 | 6:56/mi
35K· 21.75 mi
2:20:54
Rank: #2521 (+3)
21M → 35K
4:54 | 6:33/mi
23M
2:29:17
Rank: #2477 (+44)
35K → 23M
8:23 | 6:42/mi
24M
2:36:28
Rank: #2573 (-96)
23M → 24M
7:11 | 7:11/mi
40K· 24.85 mi
2:42:42
Rank: #2639 (-66)
24M → 40K
6:14 | 7:17/mi
25.2M
2:45:19
Rank: #2647 (-8)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
2:51:51
Rank: #2602 (+45)
25.2M → Finish
6:32 | 6:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:02
Pace6:25 /mi
2nd Half
Distance13.11 mi
Time1:27:49
Pace6:42 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4620:006:2620:00
6:26
-
10K
6.21 mi10:42:3139:456:2419:45
6:21
-0:05
15K
9.32 mi11:02:0659:206:2219:35
6:18
-0:03
20K
12.43 mi11:22:231:19:376:2420:17
6:32
+0:14
Half
13.11 mi11:26:481:24:026:254:25
6:28
-0:04
25K
15.53 mi11:42:241:39:386:2515:36
6:26
-0:02
30K
18.64 mi12:02:532:00:076:2720:29
6:36
+0:10
20M
20.00 mi12:11:502:09:046:278:57
6:35
-0:01
21M
21.00 mi12:18:462:16:006:296:56
6:56
+0:21
35K
21.75 mi12:23:402:20:546:294:54
6:33
-0:23
23M
23.00 mi12:32:032:29:176:298:23
6:42
+0:09
24M
24.00 mi12:39:142:36:286:317:11
7:11
+0:29
40K
24.85 mi12:45:282:42:426:336:14
7:17
+0:06
25.2M
25.20 mi12:48:052:45:196:342:37
7:35
+0:18
Finish
26.22 mi12:54:372:51:516:346:32
6:25
-1:10

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

6:18 /mi

Average Pace

6:34 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

39:20

23% of race

Time at Steady Pace

1:49:33

64% of race

Time at Slower Pace

22:58

13% of race

Average Pace: 6:33 /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 mi10:22:4620:006:2620:00
6:26
#3375
10K
6.21 mi10:42:3139:456:2419:45
6:21
#3047
15K
9.32 mi11:02:0659:206:2219:35
6:18
#2775
20K
12.43 mi11:22:231:19:376:2420:17
6:32
#2901
Half
13.11 mi11:26:481:24:026:254:25
6:28
#2932
25K
15.53 mi11:42:241:39:386:2515:36
6:26
#2829
30K
18.64 mi12:02:532:00:076:2720:29
6:36
#2694
20M
20.00 mi12:11:502:09:046:278:57
6:35
#2593
21M
21.00 mi12:18:462:16:006:296:56
6:56
#2524
35K
21.75 mi12:23:402:20:546:294:54
6:33
#2521
23M
23.00 mi12:32:032:29:176:298:23
6:42
#2477
24M
24.00 mi12:39:142:36:286:317:11
7:11
#2573
40K
24.85 mi12:45:282:42:426:336:14
7:17
#2639
25.2M
25.20 mi12:48:052:45:196:342:37
7:35
#2647
Finish
26.22 mi12:54:372:51:516:346:32
6:25
#2602
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3375320632062355(Top 8%)2247(Top 14%)2247(Top 40%)
10K6.21 mi3.10 mi3047+3282899+3072899+3072780(Top 10%)2648(Top 16%)2648(Top 47%)
15K9.32 mi3.11 mi2775+2722645+2542645+2542355(Top 8%)2247(Top 14%)2247(Top 40%)
20K12.43 mi3.11 mi2901-1262766-1212766-1213293(Top 12%)3120(Top 19%)3120(Top 55%)
Half13.11 mi0.68 mi2932-312795-292795-293523(Top 12%)3339(Top 21%)3339(Top 59%)
25K15.53 mi2.42 mi2829+1032700+952700+952529(Top 9%)2405(Top 15%)2405(Top 43%)
30K18.64 mi3.11 mi2694+1352572+1282572+1282390(Top 8%)2265(Top 14%)2265(Top 40%)
20M20.00 mi1.36 mi2593+1012476+962476+961980(Top 7%)1873(Top 12%)1873(Top 33%)
21M21.00 mi1.00 mi2524+692407+692407+692016(Top 7%)1899(Top 12%)1899(Top 34%)
35K21.75 mi0.75 mi2521+32401+62401+62741(Top 10%)2539(Top 16%)2539(Top 45%)
23M23.00 mi1.25 mi2477+442358+432358+432249(Top 8%)2100(Top 13%)2100(Top 37%)
24M24.00 mi1.00 mi2573-962440-822440-825712(Top 20%)4737(Top 29%)4737(Top 84%)
40K24.85 mi0.85 mi2639-662501-612501-615588(Top 20%)4607(Top 29%)4607(Top 82%)
25.2M25.20 mi0.35 mi2647-82508-72508-73823(Top 13%)3305(Top 21%)3305(Top 59%)
Finish26.22 mi1.02 mi2602+452462+462462+462377(Top 8%)2169(Top 13%)2169(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2355

Males

2247

M18-39

2247

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2780

Males

2648

M18-39

2648

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2355

Males

2247

M18-39

2247

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3293

Males

3120

M18-39

3120

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3523

Males

3339

M18-39

3339

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2529

Males

2405

M18-39

2405

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2390

Males

2265

M18-39

2265

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1980

Males

1873

M18-39

1873

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

2016

Males

1899

M18-39

1899

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2741

Males

2539

M18-39

2539

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2249

Males

2100

M18-39

2100

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5712

Males

4737

M18-39

4737

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5588

Males

4607

M18-39

4607

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3823

Males

3305

M18-39

3305

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2377

Males

2169

M18-39

2169

Passing Analysis

Category:
Athletes Passed
1388
Passed By
615
Net Change
+773
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3375
5K → 10K35224+328#3375#3047
10K → 15K28210+272#3047#2775
15K → 20K46172-126#2775#2901
20K → Half1142-31#2901#2932
Half → 25K11815+103#2932#2829
25K → 30K16934+135#2829#2694
30K → 20M1065+101#2694#2593
20M → 21M8516+69#2593#2524
21M → 35K3431+3#2524#2521
35K → 23M7127+44#2521#2477
23M → 24M25121-96#2477#2573
24M → 40K1985-66#2573#2639
40K → 25.2M917-8#2639#2647
25.2M → Finish6116+45#2647#2602
TOTALS1388615+773
📊

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