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BOSTON MARATHON 2025

Du Park

Bib: 27771•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
8:24/mi
26:07
↑ 97↓ 3451.5%
10K· 6.21 mi
7:54/mi
50:39
↑ 79↓ 1380.4%
15K· 9.32 mi
8:00/mi
1:15:30
↑ 67↓ 78
20K· 12.43 mi
8:01/mi
1:40:23
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:45:53
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
2:05:30
↑ 66↓ 880.2%
30K· 18.64 mi
8:03/mi
2:30:30
↑ 181↓ 1480.2%
20M
8:08/mi
2:41:33
↑ 64↓ 500.2%
21M
8:57/mi
2:50:30
↑ 106↓ 241.6%
35K· 21.75 mi
8:41/mi
2:57:00
↑ 17↓ 861.7%
23M
9:02/mi
3:08:18
↑ 23↓ 630.6%
24M
8:46/mi
3:17:04
↓ 821.3%
40K· 24.85 mi
8:40/mi
3:24:29
↓ 200.3%
25.2M
9:52/mi
3:27:53
↑ 13↓ 160.2%
Finish· 26.22 mi
8:26/mi
3:36:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:53
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:50:36
Pace8:26 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:5026:078:2426:07
8:24
-
10K
6.21 mi12:11:2250:398:0924:32
7:54
-0:30
15K
9.32 mi12:36:131:15:308:0624:51
8:00
+0:06
20K
12.43 mi13:01:061:40:238:0524:53
8:01
+0:01
Half
13.11 mi13:06:361:45:538:055:30
8:04
+0:03
25K
15.53 mi13:26:132:05:308:0519:37
8:05
+0:01
30K
18.64 mi13:51:132:30:308:0425:00
8:03
-0:02
20M
20.00 mi14:02:162:41:338:0511:03
8:08
+0:05
21M
21.00 mi14:11:132:50:308:078:57
8:57
+0:49
35K
21.75 mi14:17:432:57:008:086:30
8:41
-0:16
23M
23.00 mi14:29:013:08:188:1111:18
9:02
+0:21
24M
24.00 mi14:37:473:17:048:138:46
8:46
-0:16
40K
24.85 mi14:45:123:24:298:147:25
8:40
-0:06
25.2M
25.20 mi14:48:363:27:538:153:24
9:52
+1:12
Finish
26.22 mi14:57:123:36:298:168:36
8:26
-1:26

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

7:54 /mi

Average Pace

8:16 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:26

63% of race

Time at Steady Pace

34:43

16% of race

Time at Slower Pace

46:20

21% of race

Average Pace: 8:15 /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 mi11:46:5026:078:2426:07
8:24
#19333
10K
6.21 mi12:11:2250:398:0924:32
7:54
#17638
15K
9.32 mi12:36:131:15:308:0624:51
8:00
#17075
20K
12.43 mi13:01:061:40:238:0524:53
8:01
#16510
Half
13.11 mi13:06:361:45:538:055:30
8:04
#16507
25K
15.53 mi13:26:132:05:308:0519:37
8:05
#16161
30K
18.64 mi13:51:132:30:308:0425:00
8:03
#15311
20M
20.00 mi14:02:162:41:338:0511:03
8:08
#14960
21M
21.00 mi14:11:132:50:308:078:57
8:57
#14802
35K
21.75 mi14:17:432:57:008:086:30
8:41
#14854
23M
23.00 mi14:29:013:08:188:1111:18
9:02
#14921
24M
24.00 mi14:37:473:17:048:138:46
8:46
#14955
40K
24.85 mi14:45:123:24:298:147:25
8:40
#14929
25.2M
25.20 mi14:48:363:27:538:153:24
9:52
#14950
Finish
26.22 mi14:57:123:36:298:168:36
8:26
#14961
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi19333121731217316031(Top 56%)10820(Top 67%)10820(Top 192%)
10K6.21 mi3.10 mi17638+169511468+70511468+70515627(Top 55%)10680(Top 66%)10680(Top 189%)
15K9.32 mi3.11 mi17075+56311265+20311265+20316031(Top 56%)10820(Top 67%)10820(Top 192%)
20K12.43 mi3.11 mi16510+56511023+24211023+24215000(Top 53%)10313(Top 64%)10313(Top 183%)
Half13.11 mi0.68 mi16507+311016+711016+716306(Top 57%)10882(Top 68%)10882(Top 193%)
25K15.53 mi2.42 mi16161+34610860+15610860+15614568(Top 51%)10008(Top 62%)10008(Top 177%)
30K18.64 mi3.11 mi15311+85010437+42310437+42311723(Top 41%)8544(Top 53%)8544(Top 151%)
20M20.00 mi1.36 mi14960+35110243+19410243+19411336(Top 40%)8215(Top 51%)8215(Top 146%)
21M21.00 mi1.00 mi14802+15810148+9510148+9513200(Top 46%)8956(Top 56%)8956(Top 159%)
35K21.75 mi0.75 mi14854-5210161-1310161-1316577(Top 58%)10425(Top 65%)10425(Top 185%)
23M23.00 mi1.25 mi14921-6710159+210159+216393(Top 58%)10235(Top 64%)10235(Top 181%)
24M24.00 mi1.00 mi14955-3410133+2610133+2616097(Top 57%)10070(Top 63%)10070(Top 178%)
40K24.85 mi0.85 mi14929+2610098+3510098+3514452(Top 51%)9201(Top 57%)9201(Top 163%)
25.2M25.20 mi0.35 mi14950-2110084+1410084+1416327(Top 57%)10037(Top 62%)10037(Top 178%)
Finish26.22 mi1.02 mi14961-1110068+1610068+1615814(Top 56%)9850(Top 61%)9850(Top 175%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

16031

Males

10820

M18-39

10820

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

15627

Males

10680

M18-39

10680

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

16031

Males

10820

M18-39

10820

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

15000

Males

10313

M18-39

10313

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

16306

Males

10882

M18-39

10882

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

14568

Males

10008

M18-39

10008

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

11723

Males

8544

M18-39

8544

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

11336

Males

8215

M18-39

8215

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

13200

Males

8956

M18-39

8956

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

16577

Males

10425

M18-39

10425

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

16393

Males

10235

M18-39

10235

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

16097

Males

10070

M18-39

10070

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14452

Males

9201

M18-39

9201

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16327

Males

10037

M18-39

10037

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

15814

Males

9850

M18-39

9850

Passing Analysis

Category:
Athletes Passed
5082
Passed By
710
Net Change
+4372
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19333
5K → 10K17005+1695#19333#17638
10K → 15K59532+563#17638#17075
15K → 20K58722+565#17075#16510
20K → Half4037+3#16510#16507
Half → 25K36721+346#16507#16161
25K → 30K8533+850#16161#15311
30K → 20M3576+351#15311#14960
20M → 21M19234+158#14960#14802
21M → 35K4799-52#14802#14854
35K → 23M99166-67#14854#14921
23M → 24M69103-34#14921#14955
24M → 40K7347+26#14955#14929
40K → 25.2M3657-21#14929#14950
25.2M → Finish6778-11#14950#14961
TOTALS5082710+4372
📊

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