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BOSTON MARATHON 2025

Donald Tanguay

Bib: 21721•M

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 23%
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
8:03/mi
25:02
↑ 97↓ 3451.5%
10K· 6.21 mi
8:04/mi
50:06
↑ 79↓ 1380.4%
15K· 9.32 mi
8:06/mi
1:15:17
↑ 67↓ 78
20K· 12.43 mi
8:05/mi
1:40:24
↑ 106↓ 860.1%
Half· 13.11 mi
8:05/mi
1:45:55
↑ 19↓ 370.5%
25K· 15.53 mi
8:13/mi
2:05:51
↑ 66↓ 880.2%
30K· 18.64 mi
8:25/mi
2:32:00
↑ 181↓ 1480.2%
20M
8:31/mi
2:43:35
↑ 64↓ 500.2%
21M
9:04/mi
2:52:39
↑ 106↓ 241.6%
35K· 21.75 mi
8:01/mi
2:58:39
↑ 17↓ 861.7%
23M
8:20/mi
3:09:05
↑ 23↓ 630.6%
24M
8:07/mi
3:17:12
↓ 821.3%
40K· 24.85 mi
8:19/mi
3:24:19
↓ 200.3%
25.2M
9:02/mi
3:27:26
↑ 13↓ 160.2%
Finish· 26.22 mi
7:44/mi
3:35:19
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:55
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:49:24
Pace8:21 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:5025:028:0325:02
8:03
-
10K
6.21 mi11:44:5450:068:0425:04
8:04
+0:01
15K
9.32 mi12:10:051:15:178:0525:11
8:06
+0:02
20K
12.43 mi12:35:121:40:248:0525:07
8:05
-0:01
Half
13.11 mi12:40:431:45:558:055:31
8:05
0:00
25K
15.53 mi13:00:392:05:518:0619:56
8:13
+0:08
30K
18.64 mi13:26:482:32:008:0926:09
8:25
+0:12
20M
20.00 mi13:38:232:43:358:1111:35
8:31
+0:06
21M
21.00 mi13:47:272:52:398:139:04
9:04
+0:33
35K
21.75 mi13:53:272:58:398:136:00
8:01
-1:03
23M
23.00 mi14:03:533:09:058:1310:26
8:20
+0:19
24M
24.00 mi14:12:003:17:128:138:07
8:07
-0:13
40K
24.85 mi14:19:073:24:198:137:07
8:19
+0:12
25.2M
25.20 mi14:22:143:27:268:143:07
9:02
+0:43
Finish
26.22 mi14:30:073:35:198:137:53
7:44
-1:18

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

7:44 /mi

Average Pace

8:13 /mi

Slowest Pace

9:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:33

89% of race

Time at Steady Pace

23:46

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:13 /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 mi11:19:5025:028:0325:02
8:03
#17048
10K
6.21 mi11:44:5450:068:0425:04
8:04
#16986
15K
9.32 mi12:10:051:15:178:0525:11
8:06
#16905
20K
12.43 mi12:35:121:40:248:0525:07
8:05
#16520
Half
13.11 mi12:40:431:45:558:055:31
8:05
#16526
25K
15.53 mi13:00:392:05:518:0619:56
8:13
#16332
30K
18.64 mi13:26:482:32:008:0926:09
8:25
#15891
20M
20.00 mi13:38:232:43:358:1111:35
8:31
#15692
21M
21.00 mi13:47:272:52:398:139:04
9:04
#15540
35K
21.75 mi13:53:272:58:398:136:00
8:01
#15414
23M
23.00 mi14:03:533:09:058:1310:26
8:20
#15187
24M
24.00 mi14:12:003:17:128:138:07
8:07
#14998
40K
24.85 mi14:19:073:24:198:137:07
8:19
#14881
25.2M
25.20 mi14:22:143:27:268:143:07
9:02
#14815
Finish
26.22 mi14:30:073:35:198:137:53
7:44
#14635
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17048112311123116758(Top 59%)11118(Top 69%)11118(Top 883%)
10K6.21 mi3.10 mi16986+6211217+1411217+1416962(Top 60%)11225(Top 70%)11225(Top 892%)
15K9.32 mi3.11 mi16905+8111187+3011187+3016758(Top 59%)11118(Top 69%)11118(Top 883%)
20K12.43 mi3.11 mi16520+38511028+15911028+15915514(Top 55%)10549(Top 66%)10549(Top 838%)
Half13.11 mi0.68 mi16526-611024+411024+416478(Top 58%)10957(Top 68%)10957(Top 870%)
25K15.53 mi2.42 mi16332+19410923+10110923+10115425(Top 54%)10408(Top 65%)10408(Top 827%)
30K18.64 mi3.11 mi15891+44110683+24010683+24014232(Top 50%)9697(Top 60%)9697(Top 770%)
20M20.00 mi1.36 mi15692+19910553+13010553+13013929(Top 49%)9413(Top 58%)9413(Top 748%)
21M21.00 mi1.00 mi15540+15210456+9710456+9713881(Top 49%)9278(Top 58%)9278(Top 737%)
35K21.75 mi0.75 mi15414+12610388+6810388+6812390(Top 44%)8525(Top 53%)8525(Top 677%)
23M23.00 mi1.25 mi15187+22710263+12510263+12512232(Top 43%)8340(Top 52%)8340(Top 662%)
24M24.00 mi1.00 mi14998+18910155+10810155+10812018(Top 42%)8184(Top 51%)8184(Top 650%)
40K24.85 mi0.85 mi14881+11710075+8010075+8012281(Top 43%)8188(Top 51%)8188(Top 650%)
25.2M25.20 mi0.35 mi14815+6610043+3210043+3211985(Top 42%)7996(Top 50%)7996(Top 635%)
Finish26.22 mi1.02 mi14635+1809928+1159928+11510956(Top 39%)7495(Top 47%)7495(Top 595%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

16758

Males

11118

M60-64

11118

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

16962

Males

11225

M60-64

11225

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

16758

Males

11118

M60-64

11118

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

15514

Males

10549

M60-64

10549

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

16478

Males

10957

M60-64

10957

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

15425

Males

10408

M60-64

10408

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

14232

Males

9697

M60-64

9697

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

13929

Males

9413

M60-64

9413

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13881

Males

9278

M60-64

9278

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

12390

Males

8525

M60-64

8525

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

12232

Males

8340

M60-64

8340

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

12018

Males

8184

M60-64

8184

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12281

Males

8188

M60-64

8188

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11985

Males

7996

M60-64

7996

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

10956

Males

7495

M60-64

7495

Passing Analysis

Category:
Athletes Passed
3152
Passed By
739
Net Change
+2413
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17048
5K → 10K327265+62#17048#16986
10K → 15K237156+81#16986#16905
15K → 20K43954+385#16905#16520
20K → Half3036-6#16520#16526
Half → 25K26066+194#16526#16332
25K → 30K47433+441#16332#15891
30K → 20M22930+199#15891#15692
20M → 21M19543+152#15692#15540
21M → 35K1359+126#15540#15414
35K → 23M24013+227#15414#15187
23M → 24M1967+189#15187#14998
24M → 40K13013+117#14998#14881
40K → 25.2M737+66#14881#14815
25.2M → Finish1877+180#14815#14635
TOTALS3152739+2413
📊

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