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BOSTON MARATHON 2025

Jean-François Desaulniers

Bib: 21319•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
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
25:01
↑ 97↓ 3451.5%
10K· 6.21 mi
8:14/mi
50:37
↑ 79↓ 1380.4%
15K· 9.32 mi
8:26/mi
1:16:50
↑ 67↓ 78
20K· 12.43 mi
9:15/mi
1:45:33
↑ 106↓ 860.1%
Half· 13.11 mi
8:32/mi
1:51:22
↑ 19↓ 370.5%
25K· 15.53 mi
10:12/mi
2:16:05
↑ 66↓ 880.2%
30K· 18.64 mi
11:04/mi
2:50:27
↑ 181↓ 1480.2%
20M
11:05/mi
3:05:31
↑ 64↓ 500.2%
21M
13:26/mi
3:18:57
↑ 106↓ 241.6%
35K· 21.75 mi
10:08/mi
3:26:32
↑ 17↓ 861.7%
23M
11:48/mi
3:41:19
↑ 23↓ 630.6%
24M
11:27/mi
3:52:46
↓ 821.3%
40K· 24.85 mi
11:27/mi
4:02:33
↓ 200.3%
25.2M
14:07/mi
4:07:25
↑ 13↓ 160.2%
Finish· 26.22 mi
10:43/mi
4:18:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:22
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time2:26:58
Pace11:13 /mi
📊Positive Split: 32.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:2225:018:0325:01
8:03
-
10K
6.21 mi11:43:5850:378:0925:36
8:14
+0:11
15K
9.32 mi12:10:111:16:508:1526:13
8:26
+0:12
20K
12.43 mi12:38:541:45:338:3028:43
9:15
+0:49
Half
13.11 mi12:44:431:51:228:305:49
8:32
-0:43
25K
15.53 mi13:09:262:16:058:4624:43
10:12
+1:40
30K
18.64 mi13:43:482:50:279:0934:22
11:04
+0:52
20M
20.00 mi13:58:523:05:319:1715:04
11:05
+0:01
21M
21.00 mi14:12:183:18:579:2813:26
13:26
+2:21
35K
21.75 mi14:19:533:26:329:307:35
10:08
-3:18
23M
23.00 mi14:34:403:41:199:3714:47
11:48
+1:40
24M
24.00 mi14:46:073:52:469:4211:27
11:27
-0:21
40K
24.85 mi14:55:544:02:339:469:47
11:27
0:00
25.2M
25.20 mi15:00:464:07:259:494:52
14:07
+2:40
Finish
26.22 mi15:11:414:18:209:5210:55
10:43
-3:24

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

8:03 /mi

Average Pace

9:52 /mi

Slowest Pace

14:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:22

43% of race

Time at Steady Pace

1:53:53

44% of race

Time at Slower Pace

33:05

13% of race

Average Pace: 9:51 /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 mi11:18:2225:018:0325:01
8:03
#16991
10K
6.21 mi11:43:5850:378:0925:36
8:14
#17604
15K
9.32 mi12:10:111:16:508:1526:13
8:26
#18051
20K
12.43 mi12:38:541:45:338:3028:43
9:15
#19218
Half
13.11 mi12:44:431:51:228:305:49
8:32
#19226
25K
15.53 mi13:09:262:16:058:4624:43
10:12
#20407
30K
18.64 mi13:43:482:50:279:0934:22
11:04
#21508
20M
20.00 mi13:58:523:05:319:1715:04
11:05
#21779
21M
21.00 mi14:12:183:18:579:2813:26
13:26
#22158
35K
21.75 mi14:19:533:26:329:307:35
10:08
#22166
23M
23.00 mi14:34:403:41:199:3714:47
11:48
#22364
24M
24.00 mi14:46:073:52:469:4211:27
11:27
#22482
40K
24.85 mi14:55:544:02:339:469:47
11:27
#22558
25.2M
25.20 mi15:00:464:07:259:494:52
14:07
#22649
Finish
26.22 mi15:11:414:18:209:5210:55
10:43
#22747
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16991112001120018934(Top 67%)12015(Top 75%)12015(Top 954%)
10K6.21 mi3.10 mi17604-61311451-25111451-25118149(Top 64%)11703(Top 73%)11703(Top 930%)
15K9.32 mi3.11 mi18051-44711634-18311634-18318934(Top 67%)12015(Top 75%)12015(Top 954%)
20K12.43 mi3.11 mi19218-116712128-49412128-49422046(Top 78%)13377(Top 83%)13377(Top 1063%)
Half13.11 mi0.68 mi19226-812129-112129-119300(Top 68%)12154(Top 75%)12154(Top 965%)
25K15.53 mi2.42 mi20407-118112631-50212631-50223706(Top 83%)14052(Top 87%)14052(Top 1116%)
30K18.64 mi3.11 mi21508-110113087-45613087-45624102(Top 85%)14119(Top 88%)14119(Top 1121%)
20M20.00 mi1.36 mi21779-27113204-11713204-11723765(Top 84%)13872(Top 86%)13872(Top 1102%)
21M21.00 mi1.00 mi22158-37913340-13613340-13625587(Top 90%)14665(Top 91%)14665(Top 1165%)
35K21.75 mi0.75 mi22166-813337+313337+322245(Top 78%)13024(Top 81%)13024(Top 1034%)
23M23.00 mi1.25 mi22364-19813381-4413381-4424772(Top 87%)14222(Top 88%)14222(Top 1130%)
24M24.00 mi1.00 mi22482-11813422-4113422-4124807(Top 87%)14199(Top 88%)14199(Top 1128%)
40K24.85 mi0.85 mi22558-7613432-1013432-1024019(Top 85%)13779(Top 86%)13779(Top 1094%)
25.2M25.20 mi0.35 mi22649-9113463-3113463-3126388(Top 93%)14939(Top 93%)14939(Top 1187%)
Finish26.22 mi1.02 mi22747-9813495-3213495-3224747(Top 87%)14144(Top 88%)14144(Top 1123%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

18934

Males

12015

M60-64

12015

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

18149

Males

11703

M60-64

11703

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

18934

Males

12015

M60-64

12015

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

22046

Males

13377

M60-64

13377

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

19300

Males

12154

M60-64

12154

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

23706

Males

14052

M60-64

14052

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

24102

Males

14119

M60-64

14119

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

23765

Males

13872

M60-64

13872

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

25587

Males

14665

M60-64

14665

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

22245

Males

13024

M60-64

13024

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

24772

Males

14222

M60-64

14222

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

24807

Males

14199

M60-64

14199

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24019

Males

13779

M60-64

13779

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

26388

Males

14939

M60-64

14939

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24747

Males

14144

M60-64

14144

Passing Analysis

Category:
Athletes Passed
511
Passed By
6267
Net Change
-5756
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16991
5K → 10K114727-613#16991#17604
10K → 15K77524-447#17604#18051
15K → 20K311198-1167#18051#19218
20K → Half3341-8#19218#19226
Half → 25K151196-1181#19226#20407
25K → 30K421143-1101#20407#21508
30K → 20M29300-271#21508#21779
20M → 21M21400-379#21779#22158
21M → 35K3543-8#22158#22166
35K → 23M38236-198#22166#22364
23M → 24M25143-118#22364#22482
24M → 40K30106-76#22482#22558
40K → 25.2M293-91#22558#22649
25.2M → Finish19117-98#22649#22747
TOTALS5116267-5756
📊

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