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BOSTON MARATHON 2025

Jean-Marc Ducharme

Bib: 11333•M

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 49%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
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
7:58/mi
24:44
↑ 97↓ 3451.5%
10K· 6.21 mi
8:02/mi
49:40
↑ 79↓ 1380.4%
15K· 9.32 mi
7:59/mi
1:14:29
↑ 67↓ 78
20K· 12.43 mi
7:56/mi
1:39:09
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:44:28
↑ 19↓ 370.5%
25K· 15.53 mi
7:55/mi
2:03:39
↑ 66↓ 880.2%
30K· 18.64 mi
8:07/mi
2:28:51
↑ 181↓ 1480.2%
20M
8:10/mi
2:39:57
↑ 64↓ 500.2%
21M
8:30/mi
2:48:27
↑ 106↓ 241.6%
35K· 21.75 mi
8:07/mi
2:54:31
↑ 17↓ 861.7%
23M
8:13/mi
3:04:48
↑ 23↓ 630.6%
24M
8:14/mi
3:13:02
↓ 821.3%
40K· 24.85 mi
8:59/mi
3:20:43
↓ 200.3%
25.2M
9:14/mi
3:23:54
↑ 13↓ 160.2%
Finish· 26.22 mi
8:12/mi
3:32:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:28
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:47:47
Pace8:13 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5424:447:5824:44
7:58
-
10K
6.21 mi11:16:5049:408:0024:56
8:02
+0:04
15K
9.32 mi11:41:391:14:297:5924:49
7:59
-0:03
20K
12.43 mi12:06:191:39:097:5924:40
7:56
-0:03
Half
13.11 mi12:11:381:44:287:585:19
7:48
-0:08
25K
15.53 mi12:30:492:03:397:5819:11
7:55
+0:07
30K
18.64 mi12:56:012:28:517:5925:12
8:07
+0:12
20M
20.00 mi13:07:072:39:578:0011:06
8:10
+0:03
21M
21.00 mi13:15:372:48:278:018:30
8:30
+0:20
35K
21.75 mi13:21:412:54:318:016:04
8:07
-0:23
23M
23.00 mi13:31:583:04:488:0210:17
8:13
+0:06
24M
24.00 mi13:40:123:13:028:038:14
8:14
+0:01
40K
24.85 mi13:47:533:20:438:057:41
8:59
+0:45
25.2M
25.20 mi13:51:043:23:548:053:11
9:14
+0:15
Finish
26.22 mi13:59:253:32:158:068:21
8:12
-1:02

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

7:48 /mi

Average Pace

8:06 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:21:23

95% of race

Time at Steady Pace

7:41

4% of race

Time at Slower Pace

3:11

1% of race

Average Pace: 8:06 /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 mi10:51:5424:447:5824:44
7:58
#16277
10K
6.21 mi11:16:5049:408:0024:56
8:02
#16447
15K
9.32 mi11:41:391:14:297:5924:49
7:59
#16253
20K
12.43 mi12:06:191:39:097:5924:40
7:56
#15754
Half
13.11 mi12:11:381:44:287:585:19
7:48
#15691
25K
15.53 mi12:30:492:03:397:5819:11
7:55
#15241
30K
18.64 mi12:56:012:28:517:5925:12
8:07
#14579
20M
20.00 mi13:07:072:39:578:0011:06
8:10
#14293
21M
21.00 mi13:15:372:48:278:018:30
8:30
#14010
35K
21.75 mi13:21:412:54:318:016:04
8:07
#13959
23M
23.00 mi13:31:583:04:488:0210:17
8:13
#13798
24M
24.00 mi13:40:123:13:028:038:14
8:14
#13740
40K
24.85 mi13:47:533:20:438:057:41
8:59
#13841
25.2M
25.20 mi13:51:043:23:548:053:11
9:14
#13818
Finish
26.22 mi13:59:253:32:158:068:21
8:12
#13817
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi16277109111091115934(Top 56%)10774(Top 67%)10774(Top 452%)
10K6.21 mi3.10 mi16447-17010990-7910990-7916661(Top 59%)11089(Top 69%)11089(Top 465%)
15K9.32 mi3.11 mi16253+19410922+6810922+6815934(Top 56%)10774(Top 67%)10774(Top 452%)
20K12.43 mi3.11 mi15754+49910693+22910693+22914432(Top 51%)10057(Top 62%)10057(Top 422%)
Half13.11 mi0.68 mi15691+6310658+3510658+3514157(Top 50%)9969(Top 62%)9969(Top 418%)
25K15.53 mi2.42 mi15241+45010452+20610452+20613176(Top 46%)9377(Top 58%)9377(Top 393%)
30K18.64 mi3.11 mi14579+66210105+34710105+34712173(Top 43%)8766(Top 54%)8766(Top 367%)
20M20.00 mi1.36 mi14293+2869951+1549951+15411597(Top 41%)8346(Top 52%)8346(Top 350%)
21M21.00 mi1.00 mi14010+2839797+1549797+15410468(Top 37%)7606(Top 47%)7606(Top 319%)
35K21.75 mi0.75 mi13959+519754+439754+4312969(Top 46%)8793(Top 55%)8793(Top 369%)
23M23.00 mi1.25 mi13798+1619645+1099645+10911436(Top 40%)7966(Top 49%)7966(Top 334%)
24M24.00 mi1.00 mi13740+589590+559590+5512788(Top 45%)8551(Top 53%)8551(Top 358%)
40K24.85 mi0.85 mi13841-1019595-59595-516193(Top 57%)9997(Top 62%)9997(Top 419%)
25.2M25.20 mi0.35 mi13818+239571+249571+2413050(Top 46%)8495(Top 53%)8495(Top 356%)
Finish26.22 mi1.02 mi13817+19556+159556+1514211(Top 50%)9121(Top 57%)9121(Top 382%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

15934

Males

10774

M45-49

10774

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

16661

Males

11089

M45-49

11089

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

15934

Males

10774

M45-49

10774

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

14432

Males

10057

M45-49

10057

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

14157

Males

9969

M45-49

9969

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

13176

Males

9377

M45-49

9377

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

12173

Males

8766

M45-49

8766

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

11597

Males

8346

M45-49

8346

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

10468

Males

7606

M45-49

7606

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

12969

Males

8793

M45-49

8793

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

11436

Males

7966

M45-49

7966

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12788

Males

8551

M45-49

8551

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16193

Males

9997

M45-49

9997

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

13050

Males

8495

M45-49

8495

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

14211

Males

9121

M45-49

9121

Passing Analysis

Category:
Athletes Passed
3419
Passed By
959
Net Change
+2460
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16277
5K → 10K230400-170#16277#16447
10K → 15K311117+194#16447#16253
15K → 20K51415+499#16253#15754
20K → Half696+63#15754#15691
Half → 25K46212+450#15691#15241
25K → 30K67715+662#15241#14579
30K → 20M29812+286#14579#14293
20M → 21M29310+283#14293#14010
21M → 35K8837+51#14010#13959
35K → 23M19534+161#13959#13798
23M → 24M11052+58#13798#13740
24M → 40K58159-101#13740#13841
40K → 25.2M4522+23#13841#13818
25.2M → Finish6968+1#13818#13817
TOTALS3419959+2460
📊

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