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BOSTON MARATHON 2025

William Dunne

Bib: 26654•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
10:28/mi
32:30
↑ 97↓ 3451.5%
10K· 6.21 mi
10:32/mi
1:05:14
↑ 79↓ 1380.4%
15K· 9.32 mi
11:14/mi
1:40:08
↑ 67↓ 78
20K· 12.43 mi
13:27/mi
2:21:55
↑ 106↓ 860.1%
Half· 13.11 mi
11:17/mi
2:29:37
↑ 19↓ 370.5%
25K· 15.53 mi
14:47/mi
3:05:28
↑ 66↓ 880.2%
30K· 18.64 mi
17:57/mi
4:01:15
↑ 181↓ 1480.2%
20M
13:57/mi
4:20:12
↑ 64↓ 500.2%
21M
15:47/mi
4:35:59
↑ 106↓ 241.6%
35K· 21.75 mi
13:01/mi
4:45:43
↑ 17↓ 861.7%
23M
13:47/mi
5:02:58
↑ 23↓ 630.6%
24M
12:35/mi
5:15:33
↓ 821.3%
40K· 24.85 mi
14:37/mi
5:28:03
↓ 200.3%
25.2M
15:57/mi
5:33:33
↑ 13↓ 160.2%
Finish· 26.22 mi
11:32/mi
5:45:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:29:37
Pace11:25 /mi
2nd Half
Distance13.11 mi
Time3:15:41
Pace14:56 /mi
📊Positive Split: 30.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:4232:3010:2832:30
10:28
-
10K
6.21 mi12:21:261:05:1410:3032:44
10:32
+0:04
15K
9.32 mi12:56:201:40:0810:4534:54
11:14
+0:42
20K
12.43 mi13:38:072:21:5511:2541:47
13:27
+2:13
Half
13.11 mi13:45:492:29:3711:257:42
11:17
-2:10
25K
15.53 mi14:21:403:05:2811:5635:51
14:47
+3:30
30K
18.64 mi15:17:274:01:1512:5755:47
17:57
+3:10
20M
20.00 mi15:36:244:20:1213:0118:57
13:57
-4:00
21M
21.00 mi15:52:114:35:5913:0915:47
15:47
+1:50
35K
21.75 mi16:01:554:45:4313:089:44
13:01
-2:46
23M
23.00 mi16:19:105:02:5813:1017:15
13:47
+0:46
24M
24.00 mi16:31:455:15:3313:0912:35
12:35
-1:12
40K
24.85 mi16:44:155:28:0313:1212:30
14:37
+2:02
25.2M
25.20 mi16:49:455:33:3313:145:30
15:57
+1:20
Finish
26.22 mi17:01:305:45:1813:1111:45
11:32
-4:25

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

10:28 /mi

Average Pace

13:11 /mi

Slowest Pace

17:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:35

35% of race

Time at Steady Pace

1:40:18

29% of race

Time at Slower Pace

2:05:25

36% of race

Average Pace: 13:10 /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 mi11:48:4232:3010:2832:30
10:28
#26674
10K
6.21 mi12:21:261:05:1410:3032:44
10:32
#26486
15K
9.32 mi12:56:201:40:0810:4534:54
11:14
#26695
20K
12.43 mi13:38:072:21:5511:2541:47
13:27
#27299
Half
13.11 mi13:45:492:29:3711:257:42
11:17
#27268
25K
15.53 mi14:21:403:05:2811:5635:51
14:47
#27542
30K
18.64 mi15:17:274:01:1512:5755:47
17:57
#28025
20M
20.00 mi15:36:244:20:1213:0118:57
13:57
#28002
21M
21.00 mi15:52:114:35:5913:0915:47
15:47
#28010
35K
21.75 mi16:01:554:45:4313:089:44
13:01
#27980
23M
23.00 mi16:19:105:02:5813:1017:15
13:47
#27958
24M
24.00 mi16:31:455:15:3313:0912:35
12:35
#27911
40K
24.85 mi16:44:155:28:0313:1212:30
14:37
#27927
25.2M
25.20 mi16:49:455:33:3313:145:30
15:57
#27930
Finish
26.22 mi17:01:305:45:1813:1111:45
11:32
#27883
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi26674154671546726979(Top 95%)15546(Top 97%)15546(Top 276%)
10K6.21 mi3.10 mi26486+18815373+9415373+9426334(Top 93%)15294(Top 95%)15294(Top 271%)
15K9.32 mi3.11 mi26695-20915458-8515458-8526979(Top 95%)15546(Top 97%)15546(Top 276%)
20K12.43 mi3.11 mi27299-60415689-23115689-23128048(Top 99%)15951(Top 99%)15951(Top 283%)
Half13.11 mi0.68 mi27268+3115676+1315676+1326863(Top 95%)15463(Top 96%)15463(Top 274%)
25K15.53 mi2.42 mi27542-27415770-9415770-9428183(Top 99%)15993(Top 99%)15993(Top 283%)
30K18.64 mi3.11 mi28025-48315952-18215952-18228374(Top 100%)16087(Top 100%)16087(Top 285%)
20M20.00 mi1.36 mi28002+2315937+1515937+1527247(Top 96%)15498(Top 96%)15498(Top 275%)
21M21.00 mi1.00 mi28010-815941-415941-427703(Top 98%)15725(Top 98%)15725(Top 279%)
35K21.75 mi0.75 mi27980+3015923+1815923+1826978(Top 95%)15329(Top 95%)15329(Top 272%)
23M23.00 mi1.25 mi27958+2215908+1515908+1527140(Top 96%)15399(Top 96%)15399(Top 273%)
24M24.00 mi1.00 mi27911+4715877+3115877+3126419(Top 93%)15024(Top 93%)15024(Top 266%)
40K24.85 mi0.85 mi27927-1615884-715884-727582(Top 97%)15603(Top 97%)15603(Top 277%)
25.2M25.20 mi0.35 mi27930-315885-115885-127693(Top 97%)15647(Top 97%)15647(Top 277%)
Finish26.22 mi1.02 mi27883+4715859+2615859+2626184(Top 92%)14881(Top 92%)14881(Top 264%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

26979

Males

15546

M18-39

15546

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

26334

Males

15294

M18-39

15294

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

26979

Males

15546

M18-39

15546

15K→20K

9.3 - 12.4 mi

Top 99%
×5story building
+106ft-86ft

Overall

28048

Males

15951

M18-39

15951

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

26863

Males

15463

M18-39

15463

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

28183

Males

15993

M18-39

15993

25K→30K

15.5 - 18.6 mi

Top 100%
×9story building
+181ft-148ft

Overall

28374

Males

16087

M18-39

16087

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

27247

Males

15498

M18-39

15498

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

27703

Males

15725

M18-39

15725

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

26978

Males

15329

M18-39

15329

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

27140

Males

15399

M18-39

15399

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

26419

Males

15024

M18-39

15024

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

27582

Males

15603

M18-39

15603

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

27693

Males

15647

M18-39

15647

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2story building
+22ft-21ft

Overall

26184

Males

14881

M18-39

14881

Passing Analysis

Category:
Athletes Passed
615
Passed By
1824
Net Change
-1209
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26674
5K → 10K28395+188#26674#26486
10K → 15K57266-209#26486#26695
15K → 20K11615-604#26695#27299
20K → Half343+31#27299#27268
Half → 25K12286-274#27268#27542
25K → 30K6489-483#27542#28025
30K → 20M3411+23#28025#28002
20M → 21M1018-8#28002#28010
21M → 35K300+30#28010#27980
35K → 23M264+22#27980#27958
23M → 24M492+47#27958#27911
24M → 40K925-16#27911#27927
40K → 25.2M58-3#27927#27930
25.2M → Finish492+47#27930#27883
TOTALS6151824-1209
📊

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