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BOSTON MARATHON 2025

Michael Dandurand

Bib: 7063•M

BC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 21%
Gender (Male)
#0 / 16105
Top 33%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:11
Rank: #6451
Start → 5K
21:11 | 6:49/mi
10K· 6.21 mi
42:35
Rank: #6772 (-321)
5K → 10K
21:24 | 6:53/mi
15K· 9.32 mi
1:04:07
Rank: #6895 (-123)
10K → 15K
21:32 | 6:56/mi
20K· 12.43 mi
1:25:39
Rank: #6761 (+134)
15K → 20K
21:32 | 6:56/mi
Half· 13.11 mi
1:30:19
Rank: #6742 (+19)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:47:11
Rank: #6562 (+180)
Half → 25K
16:52 | 6:57/mi
30K· 18.64 mi
2:09:24
Rank: #6276 (+286)
25K → 30K
22:13 | 7:09/mi
20M
2:19:17
Rank: #6166 (+110)
30K → 20M
9:53 | 7:16/mi
21M
2:27:00
Rank: #6096 (+70)
20M → 21M
7:43 | 7:43/mi
35K· 21.75 mi
2:32:15
Rank: #6039 (+57)
21M → 35K
5:15 | 7:01/mi
23M
2:41:29
Rank: #5937 (+102)
35K → 23M
9:14 | 7:22/mi
24M
2:48:51
Rank: #5922 (+15)
23M → 24M
7:22 | 7:22/mi
40K· 24.85 mi
2:55:56
Rank: #6040 (-118)
24M → 40K
7:05 | 8:17/mi
25.2M
2:58:48
Rank: #6045 (-5)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:06:01
Rank: #5987 (+58)
25.2M → Finish
7:13 | 7:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:19
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:35:42
Pace7:18 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:3121:116:4921:11
6:49
-
10K
6.21 mi10:49:5542:356:5121:24
6:53
+0:04
15K
9.32 mi11:11:271:04:076:5321:32
6:56
+0:03
20K
12.43 mi11:32:591:25:396:5421:32
6:56
0:00
Half
13.11 mi11:37:391:30:196:534:40
6:50
-0:06
25K
15.53 mi11:54:311:47:116:5416:52
6:57
+0:07
30K
18.64 mi12:16:442:09:246:5622:13
7:09
+0:12
20M
20.00 mi12:26:372:19:176:589:53
7:16
+0:07
21M
21.00 mi12:34:202:27:007:007:43
7:43
+0:27
35K
21.75 mi12:39:352:32:157:005:15
7:01
-0:42
23M
23.00 mi12:48:492:41:297:019:14
7:22
+0:21
24M
24.00 mi12:56:112:48:517:027:22
7:22
0:00
40K
24.85 mi13:03:162:55:567:057:05
8:17
+0:55
25.2M
25.20 mi13:06:082:58:487:062:52
8:19
+0:02
Finish
26.22 mi13:13:213:06:017:067:13
7:05
-1:14

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

6:49 /mi

Average Pace

7:06 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:51

14% of race

Time at Steady Pace

2:05:54

68% of race

Time at Slower Pace

34:16

18% of race

Average Pace: 7:06 /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 mi10:28:3121:116:4921:11
6:49
#6451
10K
6.21 mi10:49:5542:356:5121:24
6:53
#6772
15K
9.32 mi11:11:271:04:076:5321:32
6:56
#6895
20K
12.43 mi11:32:591:25:396:5421:32
6:56
#6761
Half
13.11 mi11:37:391:30:196:534:40
6:50
#6742
25K
15.53 mi11:54:311:47:116:5416:52
6:57
#6562
30K
18.64 mi12:16:442:09:246:5622:13
7:09
#6276
20M
20.00 mi12:26:372:19:176:589:53
7:16
#6166
21M
21.00 mi12:34:202:27:007:007:43
7:43
#6096
35K
21.75 mi12:39:352:32:157:005:15
7:01
#6039
23M
23.00 mi12:48:492:41:297:019:14
7:22
#5937
24M
24.00 mi12:56:112:48:517:027:22
7:22
#5922
40K
24.85 mi13:03:162:55:567:057:05
8:17
#6040
25.2M
25.20 mi13:06:082:58:487:062:52
8:19
#6045
Finish
26.22 mi13:13:213:06:017:067:13
7:05
#5987
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6451587758777151(Top 25%)6357(Top 39%)6357(Top 113%)
10K6.21 mi3.10 mi6772-3216115-2386115-2387135(Top 25%)6378(Top 40%)6378(Top 113%)
15K9.32 mi3.11 mi6895-1236198-836198-837151(Top 25%)6357(Top 39%)6357(Top 113%)
20K12.43 mi3.11 mi6761+1346097+1016097+1016411(Top 23%)5751(Top 36%)5751(Top 102%)
Half13.11 mi0.68 mi6742+196082+156082+156418(Top 23%)5758(Top 36%)5758(Top 102%)
25K15.53 mi2.42 mi6562+1805915+1675915+1676020(Top 21%)5411(Top 34%)5411(Top 96%)
30K18.64 mi3.11 mi6276+2865653+2625653+2625604(Top 20%)5016(Top 31%)5016(Top 89%)
20M20.00 mi1.36 mi6166+1105546+1075546+1075604(Top 20%)4904(Top 30%)4904(Top 87%)
21M21.00 mi1.00 mi6096+705478+685478+685707(Top 20%)4867(Top 30%)4867(Top 86%)
35K21.75 mi0.75 mi6039+575421+575421+575431(Top 19%)4671(Top 29%)4671(Top 83%)
23M23.00 mi1.25 mi5937+1025332+895332+895873(Top 21%)4887(Top 30%)4887(Top 87%)
24M24.00 mi1.00 mi5922+155302+305302+306790(Top 24%)5389(Top 33%)5389(Top 96%)
40K24.85 mi0.85 mi6040-1185377-755377-7512020(Top 42%)8053(Top 50%)8053(Top 143%)
25.2M25.20 mi0.35 mi6045-55371+65371+67620(Top 27%)5679(Top 35%)5679(Top 101%)
Finish26.22 mi1.02 mi5987+585308+635308+636228(Top 22%)4871(Top 30%)4871(Top 86%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7151

Males

6357

M18-39

6357

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

7135

Males

6378

M18-39

6378

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7151

Males

6357

M18-39

6357

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6411

Males

5751

M18-39

5751

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6418

Males

5758

M18-39

5758

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

6020

Males

5411

M18-39

5411

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5604

Males

5016

M18-39

5016

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5604

Males

4904

M18-39

4904

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5707

Males

4867

M18-39

4867

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5431

Males

4671

M18-39

4671

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5873

Males

4887

M18-39

4887

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6790

Males

5389

M18-39

5389

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

12020

Males

8053

M18-39

8053

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7620

Males

5679

M18-39

5679

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6228

Males

4871

M18-39

4871

Passing Analysis

Category:
Athletes Passed
1621
Passed By
1157
Net Change
+464
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6451
5K → 10K94415-321#6451#6772
10K → 15K107230-123#6772#6895
15K → 20K19561+134#6895#6761
20K → Half4021+19#6761#6742
Half → 25K21333+180#6742#6562
25K → 30K32943+286#6562#6276
30K → 20M14030+110#6276#6166
20M → 21M10333+70#6166#6096
21M → 35K7013+57#6096#6039
35K → 23M12624+102#6039#5937
23M → 24M6752+15#5937#5922
24M → 40K20138-118#5922#6040
40K → 25.2M2530-5#6040#6045
25.2M → Finish9234+58#6045#5987
TOTALS16211157+464
📊

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