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BOSTON MARATHON 2025

George Lathrop

Bib: 13388•M

OH

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
9:56/mi
30:51
↑ 97↓ 3451.5%
10K· 6.21 mi
10:24/mi
1:03:10
↑ 79↓ 1380.4%
15K· 9.32 mi
10:37/mi
1:36:09
↑ 67↓ 78
20K· 12.43 mi
10:42/mi
2:09:25
↑ 106↓ 860.1%
Half· 13.11 mi
11:17/mi
2:17:07
↑ 19↓ 370.5%
25K· 15.53 mi
10:48/mi
2:43:19
↑ 66↓ 880.2%
30K· 18.64 mi
11:38/mi
3:19:27
↑ 181↓ 1480.2%
20M
11:39/mi
3:35:17
↑ 64↓ 500.2%
21M
13:28/mi
3:48:45
↑ 106↓ 241.6%
35K· 21.75 mi
10:35/mi
3:56:40
↑ 17↓ 861.7%
23M
11:23/mi
4:10:55
↑ 23↓ 630.6%
24M
10:50/mi
4:21:45
↓ 821.3%
40K· 24.85 mi
11:13/mi
4:31:20
↓ 200.3%
25.2M
12:17/mi
4:35:34
↑ 13↓ 160.2%
Finish· 26.22 mi
10:32/mi
4:46:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:07
Pace10:28 /mi
2nd Half
Distance13.11 mi
Time2:29:11
Pace11:23 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:03:4330:519:5630:51
9:56
-
10K
6.21 mi11:36:021:03:1010:1032:19
10:24
+0:28
15K
9.32 mi12:09:011:36:0910:1932:59
10:37
+0:13
20K
12.43 mi12:42:172:09:2510:2533:16
10:42
+0:05
Half
13.11 mi12:49:592:17:0710:287:42
11:17
+0:35
25K
15.53 mi13:16:112:43:1910:3126:12
10:48
-0:29
30K
18.64 mi13:52:193:19:2710:4236:08
11:38
+0:50
20M
20.00 mi14:08:093:35:1710:4615:50
11:39
+0:01
21M
21.00 mi14:21:373:48:4510:5413:28
13:28
+1:49
35K
21.75 mi14:29:323:56:4010:537:55
10:35
-2:53
23M
23.00 mi14:43:474:10:5510:5514:15
11:23
+0:48
24M
24.00 mi14:54:374:21:4510:5410:50
10:50
-0:33
40K
24.85 mi15:04:124:31:2010:559:35
11:13
+0:23
25.2M
25.20 mi15:08:264:35:3410:564:14
12:17
+1:04
Finish
26.22 mi15:19:104:46:1810:5610:44
10:32
-1:45

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

9:56 /mi

Average Pace

10:56 /mi

Slowest Pace

13:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:03:10

22% of race

Time at Steady Pace

2:11:31

46% of race

Time at Slower Pace

1:31:37

32% of race

Average Pace: 10:55 /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 mi11:03:4330:519:5630:51
9:56
#25423
10K
6.21 mi11:36:021:03:1010:1032:19
10:24
#25839
15K
9.32 mi12:09:011:36:0910:1932:59
10:37
#25943
20K
12.43 mi12:42:172:09:2510:2533:16
10:42
#25824
Half
13.11 mi12:49:592:17:0710:287:42
11:17
#25895
25K
15.53 mi13:16:112:43:1910:3126:12
10:48
#25703
30K
18.64 mi13:52:193:19:2710:4236:08
11:38
#25595
20M
20.00 mi14:08:093:35:1710:4615:50
11:39
#25521
21M
21.00 mi14:21:373:48:4510:5413:28
13:28
#25540
35K
21.75 mi14:29:323:56:4010:537:55
10:35
#25472
23M
23.00 mi14:43:474:10:5510:5514:15
11:23
#25405
24M
24.00 mi14:54:374:21:4510:5410:50
10:50
#25341
40K
24.85 mi15:04:124:31:2010:559:35
11:13
#25290
25.2M
25.20 mi15:08:264:35:3410:564:14
12:17
#25267
Finish
26.22 mi15:19:104:46:1810:5610:44
10:32
#25255
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi25423149241492426135(Top 92%)15206(Top 94%)15206(Top 923%)
10K6.21 mi3.10 mi25839-41615092-16815092-16826102(Top 92%)15192(Top 94%)15192(Top 922%)
15K9.32 mi3.11 mi25943-10415134-4215134-4226135(Top 92%)15206(Top 94%)15206(Top 923%)
20K12.43 mi3.11 mi25824+11915069+6515069+6525553(Top 90%)14918(Top 93%)14918(Top 905%)
Half13.11 mi0.68 mi25895-7115099-3015099-3026850(Top 95%)15450(Top 96%)15450(Top 938%)
25K15.53 mi2.42 mi25703+19215003+9615003+9624916(Top 88%)14614(Top 91%)14614(Top 887%)
30K18.64 mi3.11 mi25595+10814917+8614917+8625044(Top 88%)14550(Top 90%)14550(Top 883%)
20M20.00 mi1.36 mi25521+7414871+4614871+4624793(Top 87%)14375(Top 89%)14375(Top 872%)
21M21.00 mi1.00 mi25540-1914877-614877-625639(Top 90%)14699(Top 91%)14699(Top 892%)
35K21.75 mi0.75 mi25472+6814831+4614831+4623339(Top 82%)13559(Top 84%)13559(Top 823%)
23M23.00 mi1.25 mi25405+6714782+4914782+4924050(Top 85%)13868(Top 86%)13868(Top 842%)
24M24.00 mi1.00 mi25341+6414751+3114751+3123635(Top 83%)13635(Top 85%)13635(Top 827%)
40K24.85 mi0.85 mi25290+5114718+3314718+3323581(Top 83%)13547(Top 84%)13547(Top 822%)
25.2M25.20 mi0.35 mi25267+2314706+1214706+1223761(Top 84%)13654(Top 85%)13654(Top 829%)
Finish26.22 mi1.02 mi25255+1214694+1214694+1224348(Top 86%)13955(Top 87%)13955(Top 847%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

26135

Males

15206

M55-59

15206

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

26102

Males

15192

M55-59

15192

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

26135

Males

15206

M55-59

15206

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

25553

Males

14918

M55-59

14918

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

26850

Males

15450

M55-59

15450

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

24916

Males

14614

M55-59

14614

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

25044

Males

14550

M55-59

14550

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

24793

Males

14375

M55-59

14375

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

25639

Males

14699

M55-59

14699

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

23339

Males

13559

M55-59

13559

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

24050

Males

13868

M55-59

13868

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

23635

Males

13635

M55-59

13635

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23581

Males

13547

M55-59

13547

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23761

Males

13654

M55-59

13654

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

24348

Males

13955

M55-59

13955

Passing Analysis

Category:
Athletes Passed
1202
Passed By
1034
Net Change
+168
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25423
5K → 10K79495-416#25423#25839
10K → 15K87191-104#25839#25943
15K → 20K18263+119#25943#25824
20K → Half778-71#25824#25895
Half → 25K20816+192#25895#25703
25K → 30K17365+108#25703#25595
30K → 20M9420+74#25595#25521
20M → 21M3251-19#25521#25540
21M → 35K691+68#25540#25472
35K → 23M8114+67#25472#25405
23M → 24M7410+64#25405#25341
24M → 40K598+51#25341#25290
40K → 25.2M285+23#25290#25267
25.2M → Finish2917+12#25267#25255
TOTALS12021034+168
📊

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