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BOSTON MARATHON 2025

Luc Demortier

Bib: 13505•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
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
7:12/mi
22:23
↑ 97↓ 3451.5%
10K· 6.21 mi
7:23/mi
45:18
↑ 79↓ 1380.4%
15K· 9.32 mi
7:24/mi
1:08:18
↑ 67↓ 78
20K· 12.43 mi
7:40/mi
1:32:07
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:37:19
↑ 19↓ 370.5%
25K· 15.53 mi
7:55/mi
1:56:30
↑ 66↓ 880.2%
30K· 18.64 mi
10:57/mi
2:30:32
↑ 181↓ 1480.2%
20M
10:45/mi
2:45:08
↑ 64↓ 500.2%
21M
14:05/mi
2:59:13
↑ 106↓ 241.6%
35K· 21.75 mi
10:04/mi
3:06:45
↑ 17↓ 861.7%
23M
9:55/mi
3:19:10
↑ 23↓ 630.6%
24M
9:23/mi
3:28:33
↓ 821.3%
40K· 24.85 mi
9:53/mi
3:37:00
↓ 200.3%
25.2M
10:44/mi
3:40:42
↑ 13↓ 160.2%
Finish· 26.22 mi
7:35/mi
3:48:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:19
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time2:11:07
Pace10:00 /mi
📊Positive Split: 34.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0122:237:1222:23
7:12
-
10K
6.21 mi11:13:5645:187:1722:55
7:23
+0:11
15K
9.32 mi11:36:561:08:187:2023:00
7:24
+0:01
20K
12.43 mi12:00:451:32:077:2523:49
7:40
+0:16
Half
13.11 mi12:05:571:37:197:255:12
7:37
-0:03
25K
15.53 mi12:25:081:56:307:3019:11
7:55
+0:18
30K
18.64 mi12:59:102:30:328:0534:02
10:57
+3:02
20M
20.00 mi13:13:462:45:088:1514:36
10:45
-0:12
21M
21.00 mi13:27:512:59:138:3214:05
14:05
+3:20
35K
21.75 mi13:35:233:06:458:357:32
10:04
-4:01
23M
23.00 mi13:47:483:19:108:4012:25
9:55
-0:09
24M
24.00 mi13:57:113:28:338:419:23
9:23
-0:32
40K
24.85 mi14:05:383:37:008:448:27
9:53
+0:30
25.2M
25.20 mi14:09:203:40:428:453:42
10:44
+0:51
Finish
26.22 mi14:17:043:48:268:437:44
7:35
-3:09

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

7:12 /mi

Average Pace

8:43 /mi

Slowest Pace

14:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:14

54% of race

Time at Steady Pace

37:47

17% of race

Time at Slower Pace

1:06:25

29% of race

Average Pace: 8:43 /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 mi10:51:0122:237:1222:23
7:12
#9501
10K
6.21 mi11:13:5645:187:1722:55
7:23
#10260
15K
9.32 mi11:36:561:08:187:2023:00
7:24
#10461
20K
12.43 mi12:00:451:32:077:2523:49
7:40
#10864
Half
13.11 mi12:05:571:37:197:255:12
7:37
#10964
25K
15.53 mi12:25:081:56:307:3019:11
7:55
#11328
30K
18.64 mi12:59:102:30:328:0534:02
10:57
#15326
20M
20.00 mi13:13:462:45:088:1514:36
10:45
#16236
21M
21.00 mi13:27:512:59:138:3214:05
14:05
#17575
35K
21.75 mi13:35:233:06:458:357:32
10:04
#17833
23M
23.00 mi13:47:483:19:108:4012:25
9:55
#18029
24M
24.00 mi13:57:113:28:338:419:23
9:23
#18089
40K
24.85 mi14:05:383:37:008:448:27
9:53
#18187
25.2M
25.20 mi14:09:203:40:428:453:42
10:44
#18247
Finish
26.22 mi14:17:043:48:268:437:44
7:35
#17945
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi95017894789410909(Top 38%)8557(Top 53%)8557(Top 519%)
10K6.21 mi3.10 mi10260-7598302-4088302-40810979(Top 39%)8657(Top 54%)8657(Top 525%)
15K9.32 mi3.11 mi10461-2018379-778379-7710909(Top 38%)8557(Top 53%)8557(Top 519%)
20K12.43 mi3.11 mi10864-4038566-1878566-18712101(Top 43%)9025(Top 56%)9025(Top 548%)
Half13.11 mi0.68 mi10964-1008612-468612-4612759(Top 45%)9382(Top 58%)9382(Top 569%)
25K15.53 mi2.42 mi11328-3648746-1348746-13413188(Top 46%)9389(Top 58%)9389(Top 570%)
30K18.64 mi3.11 mi15326-399810443-169710443-169723922(Top 84%)14032(Top 87%)14032(Top 851%)
20M20.00 mi1.36 mi16236-91010788-34510788-34523044(Top 81%)13539(Top 84%)13539(Top 822%)
21M21.00 mi1.00 mi17575-133911318-53011318-53026311(Top 93%)15027(Top 93%)15027(Top 912%)
35K21.75 mi0.75 mi17833-25811428-11011428-11022080(Top 78%)12943(Top 80%)12943(Top 785%)
23M23.00 mi1.25 mi18029-19611470-4211470-4220214(Top 71%)12003(Top 75%)12003(Top 728%)
24M24.00 mi1.00 mi18089-6011475-511475-519143(Top 67%)11476(Top 71%)11476(Top 696%)
40K24.85 mi0.85 mi18187-9811487-1211487-1220053(Top 71%)11810(Top 73%)11810(Top 717%)
25.2M25.20 mi0.35 mi18247-6011506-1911506-1919777(Top 70%)11675(Top 72%)11675(Top 708%)
Finish26.22 mi1.02 mi17945+30211356+15011356+1509850(Top 35%)6911(Top 43%)6911(Top 419%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10909

Males

8557

M55-59

8557

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

10979

Males

8657

M55-59

8657

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10909

Males

8557

M55-59

8557

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

12101

Males

9025

M55-59

9025

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12759

Males

9382

M55-59

9382

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

13188

Males

9389

M55-59

9389

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23922

Males

14032

M55-59

14032

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

23044

Males

13539

M55-59

13539

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

26311

Males

15027

M55-59

15027

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

22080

Males

12943

M55-59

12943

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

20214

Males

12003

M55-59

12003

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

19143

Males

11476

M55-59

11476

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20053

Males

11810

M55-59

11810

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

19777

Males

11675

M55-59

11675

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9850

Males

6911

M55-59

6911

Passing Analysis

Category:
Athletes Passed
851
Passed By
9292
Net Change
-8444
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9501
5K → 10K51808-759#9501#10260
10K → 15K110311-201#10260#10461
15K → 20K75477-403#10461#10864
20K → Half12112-100#10864#10964
Half → 25K83447-364#10964#11328
25K → 30K84006-3998#11328#15326
30K → 20M16926-910#15326#16236
20M → 21M41343-1339#16236#17575
21M → 35K23281-258#17575#17833
35K → 23M56252-196#17833#18029
23M → 24M60120-60#18029#18089
24M → 40K43141-98#18089#18187
40K → 25.2M868-60#18187#18247
25.2M → Finish3020+302#18247#17945
TOTALS8519292-8444
📊

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