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BOSTON MARATHON 2025

Marco Walker

Bib: 31684•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
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
8:08/mi
25:15
↑ 97↓ 3451.5%
10K· 6.21 mi
8:35/mi
51:56
↑ 79↓ 1380.4%
15K· 9.32 mi
9:02/mi
1:20:01
↑ 67↓ 78
20K· 12.43 mi
9:38/mi
1:49:58
↑ 106↓ 860.1%
Half· 13.11 mi
9:32/mi
1:56:28
↑ 19↓ 370.5%
25K· 15.53 mi
10:20/mi
2:21:31
↑ 66↓ 880.2%
30K· 18.64 mi
12:16/mi
2:59:38
↑ 181↓ 1480.2%
20M
12:23/mi
3:16:28
↑ 64↓ 500.2%
21M
13:25/mi
3:29:53
↑ 106↓ 241.6%
35K· 21.75 mi
11:22/mi
3:38:23
↑ 17↓ 861.7%
23M
12:29/mi
3:54:01
↑ 23↓ 630.6%
24M
11:18/mi
4:05:19
↓ 821.3%
40K· 24.85 mi
12:25/mi
4:15:56
↓ 200.3%
25.2M
13:46/mi
4:20:41
↑ 13↓ 160.2%
Finish· 26.22 mi
10:42/mi
4:31:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:28
Pace8:53 /mi
2nd Half
Distance13.11 mi
Time2:35:07
Pace11:50 /mi
📊Positive Split: 33.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:4225:158:0825:15
8:08
-
10K
6.21 mi12:13:2351:568:2126:41
8:35
+0:27
15K
9.32 mi12:41:281:20:018:3528:05
9:02
+0:27
20K
12.43 mi13:11:251:49:588:5129:57
9:38
+0:36
Half
13.11 mi13:17:551:56:288:536:30
9:32
-0:06
25K
15.53 mi13:42:582:21:319:0725:03
10:20
+0:48
30K
18.64 mi14:21:052:59:389:3838:07
12:16
+1:56
20M
20.00 mi14:37:553:16:289:4916:50
12:23
+0:07
21M
21.00 mi14:51:203:29:5310:0013:25
13:25
+1:02
35K
21.75 mi14:59:503:38:2310:028:30
11:22
-2:03
23M
23.00 mi15:15:283:54:0110:1015:38
12:29
+1:07
24M
24.00 mi15:26:464:05:1910:1311:18
11:18
-1:11
40K
24.85 mi15:37:234:15:5610:1810:37
12:25
+1:07
25.2M
25.20 mi15:42:084:20:4110:214:45
13:46
+1:21
Finish
26.22 mi15:53:024:31:3510:2210:54
10:42
-3:04

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

8:08 /mi

Average Pace

10:22 /mi

Slowest Pace

13:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:31

52% of race

Time at Steady Pace

30:42

11% of race

Time at Slower Pace

1:39:22

37% of race

Average Pace: 10:21 /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 mi11:46:4225:158:0825:15
8:08
#17547
10K
6.21 mi12:13:2351:568:2126:41
8:35
#18980
15K
9.32 mi12:41:281:20:018:3528:05
9:02
#20155
20K
12.43 mi13:11:251:49:588:5129:57
9:38
#21166
Half
13.11 mi13:17:551:56:288:536:30
9:32
#21353
25K
15.53 mi13:42:582:21:319:0725:03
10:20
#22038
30K
18.64 mi14:21:052:59:389:3838:07
12:16
#23204
20M
20.00 mi14:37:553:16:289:4916:50
12:23
#23502
21M
21.00 mi14:51:203:29:5310:0013:25
13:25
#23712
35K
21.75 mi14:59:503:38:2310:028:30
11:22
#23770
23M
23.00 mi15:15:283:54:0110:1015:38
12:29
#23931
24M
24.00 mi15:26:464:05:1910:1311:18
11:18
#23973
40K
24.85 mi15:37:234:15:5610:1810:37
12:25
#24073
25.2M
25.20 mi15:42:084:20:4110:214:45
13:46
#24124
Finish
26.22 mi15:53:024:31:3510:2210:54
10:42
#24154
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17547114401144022212(Top 78%)13482(Top 84%)13482(Top 239%)
10K6.21 mi3.10 mi18980-143312036-59612036-59620295(Top 71%)12610(Top 78%)12610(Top 224%)
15K9.32 mi3.11 mi20155-117512538-50212538-50222212(Top 78%)13482(Top 84%)13482(Top 239%)
20K12.43 mi3.11 mi21166-101112989-45112989-45123323(Top 82%)13944(Top 87%)13944(Top 247%)
Half13.11 mi0.68 mi21353-18713060-7113060-7123631(Top 83%)14068(Top 87%)14068(Top 249%)
25K15.53 mi2.42 mi22038-68513355-29513355-29524020(Top 85%)14207(Top 88%)14207(Top 252%)
30K18.64 mi3.11 mi23204-116613846-49113846-49125908(Top 91%)14951(Top 93%)14951(Top 265%)
20M20.00 mi1.36 mi23502-29813968-12213968-12225778(Top 91%)14820(Top 92%)14820(Top 263%)
21M21.00 mi1.00 mi23712-21014035-6714035-6725572(Top 90%)14662(Top 91%)14662(Top 260%)
35K21.75 mi0.75 mi23770-5814058-2314058-2324872(Top 88%)14292(Top 89%)14292(Top 253%)
23M23.00 mi1.25 mi23931-16114104-4614104-4625788(Top 91%)14729(Top 91%)14729(Top 261%)
24M24.00 mi1.00 mi23973-4214120-1614120-1624565(Top 86%)14090(Top 87%)14090(Top 250%)
40K24.85 mi0.85 mi24073-10014143-2314143-2325553(Top 90%)14554(Top 90%)14554(Top 258%)
25.2M25.20 mi0.35 mi24124-5114163-2014163-2026021(Top 92%)14755(Top 92%)14755(Top 262%)
Finish26.22 mi1.02 mi24154-3014174-1114174-1124723(Top 87%)14138(Top 88%)14138(Top 251%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

22212

Males

13482

M18-39

13482

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

20295

Males

12610

M18-39

12610

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

22212

Males

13482

M18-39

13482

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

23323

Males

13944

M18-39

13944

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

23631

Males

14068

M18-39

14068

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

24020

Males

14207

M18-39

14207

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

25908

Males

14951

M18-39

14951

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

25778

Males

14820

M18-39

14820

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

25572

Males

14662

M18-39

14662

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

24872

Males

14292

M18-39

14292

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

25788

Males

14729

M18-39

14729

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

24565

Males

14090

M18-39

14090

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

25553

Males

14554

M18-39

14554

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26021

Males

14755

M18-39

14755

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24723

Males

14138

M18-39

14138

Passing Analysis

Category:
Athletes Passed
311
Passed By
6918
Net Change
-6607
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17547
5K → 10K301463-1433#17547#18980
10K → 15K241199-1175#18980#20155
15K → 20K391050-1011#20155#21166
20K → Half2189-187#21166#21353
Half → 25K25710-685#21353#22038
25K → 30K191185-1166#22038#23204
30K → 20M27325-298#23204#23502
20M → 21M21231-210#23502#23712
21M → 35K2078-58#23712#23770
35K → 23M31192-161#23770#23931
23M → 24M3375-42#23931#23973
24M → 40K12112-100#23973#24073
40K → 25.2M556-51#24073#24124
25.2M → Finish2353-30#24124#24154
TOTALS3116918-6607
📊

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