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BOSTON MARATHON 2025

Richard Lorenson

Bib: 16542•M

RI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
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
10:34/mi
32:49
↑ 97↓ 3451.5%
10K· 6.21 mi
11:39/mi
1:09:00
↑ 79↓ 1380.4%
15K· 9.32 mi
13:10/mi
1:49:53
↑ 67↓ 78
20K· 12.43 mi
14:06/mi
2:33:41
↑ 106↓ 860.1%
Half· 13.11 mi
15:13/mi
2:44:04
↑ 19↓ 370.5%
25K· 15.53 mi
17:48/mi
3:27:13
↑ 66↓ 880.2%
30K· 18.64 mi
16:54/mi
4:19:44
↑ 181↓ 1480.2%
20M
15:59/mi
4:41:27
↑ 64↓ 500.2%
21M
16:57/mi
4:58:24
↑ 106↓ 241.6%
35K· 21.75 mi
14:21/mi
5:09:08
↑ 17↓ 861.7%
23M
14:26/mi
5:27:12
↑ 23↓ 630.6%
24M
12:55/mi
5:40:07
↓ 821.3%
40K· 24.85 mi
15:39/mi
5:53:30
↓ 200.3%
25.2M
17:38/mi
5:59:35
↑ 13↓ 160.2%
Finish· 26.22 mi
11:48/mi
6:11:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:44:04
Pace12:31 /mi
2nd Half
Distance13.11 mi
Time3:27:32
Pace15:50 /mi
📊Positive Split: 26.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:07:1332:4910:3432:49
10:34
-
10K
6.21 mi11:43:241:09:0011:0636:11
11:39
+1:05
15K
9.32 mi12:24:171:49:5311:4740:53
13:10
+1:31
20K
12.43 mi13:08:052:33:4112:2243:48
14:06
+0:56
Half
13.11 mi13:18:282:44:0412:3110:23
15:13
+1:07
25K
15.53 mi14:01:373:27:1313:2043:09
17:48
+2:35
30K
18.64 mi14:54:084:19:4413:5652:31
16:54
-0:54
20M
20.00 mi15:15:514:41:2714:0421:43
15:59
-0:55
21M
21.00 mi15:32:484:58:2414:1316:57
16:57
+0:58
35K
21.75 mi15:43:325:09:0814:1310:44
14:21
-2:36
23M
23.00 mi16:01:365:27:1214:1418:04
14:26
+0:05
24M
24.00 mi16:14:315:40:0714:1012:55
12:55
-1:31
40K
24.85 mi16:27:545:53:3014:1313:23
15:39
+2:44
25.2M
25.20 mi16:33:595:59:3514:166:05
17:38
+1:59
Finish
26.22 mi16:46:006:11:3614:1112:01
11:48
-5:50

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

10:34 /mi

Average Pace

14:11 /mi

Slowest Pace

17:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:49

36% of race

Time at Steady Pace

1:22:59

22% of race

Time at Slower Pace

2:33:48

41% of race

Average Pace: 14:10 /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 mi11:07:1332:4910:3432:49
10:34
#26896
10K
6.21 mi11:43:241:09:0011:0636:11
11:39
#27436
15K
9.32 mi12:24:171:49:5311:4740:53
13:10
#27871
20K
12.43 mi13:08:052:33:4112:2243:48
14:06
#28035
Half
13.11 mi13:18:282:44:0412:3110:23
15:13
#28101
25K
15.53 mi14:01:373:27:1313:2043:09
17:48
#28312
30K
18.64 mi14:54:084:19:4413:5652:31
16:54
#28346
20M
20.00 mi15:15:514:41:2714:0421:43
15:59
#28352
21M
21.00 mi15:32:484:58:2414:1316:57
16:57
#28358
35K
21.75 mi15:43:325:09:0814:1310:44
14:21
#28356
23M
23.00 mi16:01:365:27:1214:1418:04
14:26
#28351
24M
24.00 mi16:14:315:40:0714:1012:55
12:55
#28341
40K
24.85 mi16:27:545:53:3014:1313:23
15:39
#28346
25.2M
25.20 mi16:33:595:59:3514:166:05
17:38
#28347
Finish
26.22 mi16:46:006:11:3614:1112:01
11:48
#28340
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi26896155651556528219(Top 99%)16026(Top 100%)16026(Top 2508%)
10K6.21 mi3.10 mi27436-54015761-19615761-19627723(Top 98%)15861(Top 98%)15861(Top 2482%)
15K9.32 mi3.11 mi27871-43515916-15515916-15528219(Top 99%)16026(Top 100%)16026(Top 2508%)
20K12.43 mi3.11 mi28035-16415969-5315969-5328266(Top 100%)16034(Top 100%)16034(Top 2509%)
Half13.11 mi0.68 mi28101-6615992-2315992-2328359(Top 100%)16081(Top 100%)16081(Top 2517%)
25K15.53 mi2.42 mi28312-21116063-7116063-7128386(Top 100%)16095(Top 100%)16095(Top 2519%)
30K18.64 mi3.11 mi28346-3416075-1216075-1228344(Top 100%)16070(Top 100%)16070(Top 2515%)
20M20.00 mi1.36 mi28352-616077-216077-228159(Top 99%)15957(Top 99%)15957(Top 2497%)
21M21.00 mi1.00 mi28358-616080-316080-328140(Top 99%)15950(Top 99%)15950(Top 2496%)
35K21.75 mi0.75 mi28356+216077+316077+327861(Top 98%)15762(Top 98%)15762(Top 2467%)
23M23.00 mi1.25 mi28351+516074+316074+327618(Top 97%)15637(Top 97%)15637(Top 2447%)
24M24.00 mi1.00 mi28341+1016069+516069+526776(Top 94%)15190(Top 94%)15190(Top 2377%)
40K24.85 mi0.85 mi28346-5160691606928003(Top 99%)15837(Top 98%)15837(Top 2478%)
25.2M25.20 mi0.35 mi28347-1160691606928172(Top 99%)15935(Top 99%)15935(Top 2494%)
Finish26.22 mi1.02 mi28340+716064+516064+526546(Top 93%)15070(Top 94%)15070(Top 2358%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

28219

Males

16026

M65-69

16026

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

27723

Males

15861

M65-69

15861

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

28219

Males

16026

M65-69

16026

15K→20K

9.3 - 12.4 mi

Top 100%
×5story building
+106ft-86ft

Overall

28266

Males

16034

M65-69

16034

20K→Half

12.4 - 13.1 mi

Top 100%
×2story building
+19ft-37ft

Overall

28359

Males

16081

M65-69

16081

Half→25K

13.1 - 15.5 mi

Top 100%
×4story building
+66ft-88ft

Overall

28386

Males

16095

M65-69

16095

25K→30K

15.5 - 18.6 mi

Top 100%
×9story building
+181ft-148ft

Overall

28344

Males

16070

M65-69

16070

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

28159

Males

15957

M65-69

15957

20M→21M

20.0 - 21.0 mi

Top 99%
×8story building
+106ft-24ft

Overall

28140

Males

15950

M65-69

15950

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

27861

Males

15762

M65-69

15762

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

27618

Males

15637

M65-69

15637

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

26776

Males

15190

M65-69

15190

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

28003

Males

15837

M65-69

15837

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

28172

Males

15935

M65-69

15935

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

26546

Males

15070

M65-69

15070

Passing Analysis

Category:
Athletes Passed
76
Passed By
1520
Net Change
-1444
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26896
5K → 10K24564-540#26896#27436
10K → 15K2437-435#27436#27871
15K → 20K7171-164#27871#28035
20K → Half369-66#28035#28101
Half → 25K0211-211#28101#28312
25K → 30K741-34#28312#28346
30K → 20M39-6#28346#28352
20M → 21M17-6#28352#28358
21M → 35K31+2#28358#28356
35K → 23M61+5#28356#28351
23M → 24M100+10#28351#28341
24M → 40K38-5#28341#28346
40K → 25.2M01-1#28346#28347
25.2M → Finish70+7#28347#28340
TOTALS761520-1444
📊

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