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BOSTON MARATHON 2025

Larry Keller

Bib: 31843•M

MA

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
9:51/mi
30:35
↑ 97↓ 3451.5%
10K· 6.21 mi
9:58/mi
1:01:33
↑ 79↓ 1380.4%
15K· 9.32 mi
9:52/mi
1:32:13
↑ 67↓ 78
20K· 12.43 mi
9:54/mi
2:02:57
↑ 106↓ 860.1%
Half· 13.11 mi
9:40/mi
2:09:33
↑ 19↓ 370.5%
25K· 15.53 mi
10:02/mi
2:33:52
↑ 66↓ 880.2%
30K· 18.64 mi
10:38/mi
3:06:55
↑ 181↓ 1480.2%
20M
11:11/mi
3:22:07
↑ 64↓ 500.2%
21M
11:58/mi
3:34:05
↑ 106↓ 241.6%
35K· 21.75 mi
10:39/mi
3:42:03
↑ 17↓ 861.7%
23M
11:15/mi
3:56:08
↑ 23↓ 630.6%
24M
10:53/mi
4:07:01
↓ 821.3%
40K· 24.85 mi
10:50/mi
4:16:17
↓ 200.3%
25.2M
12:14/mi
4:20:30
↑ 13↓ 160.2%
Finish· 26.22 mi
10:15/mi
4:30:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:33
Pace9:53 /mi
2nd Half
Distance13.11 mi
Time2:21:24
Pace10:47 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4430:359:5130:35
9:51
-
10K
6.21 mi12:23:421:01:339:5430:58
9:58
+0:07
15K
9.32 mi12:54:221:32:139:5430:40
9:52
-0:06
20K
12.43 mi13:25:062:02:579:5430:44
9:54
+0:02
Half
13.11 mi13:31:422:09:339:536:36
9:40
-0:14
25K
15.53 mi13:56:012:33:529:5424:19
10:02
+0:22
30K
18.64 mi14:29:043:06:5510:0233:03
10:38
+0:36
20M
20.00 mi14:44:163:22:0710:0615:12
11:11
+0:33
21M
21.00 mi14:56:143:34:0510:1211:58
11:58
+0:47
35K
21.75 mi15:04:123:42:0310:137:58
10:39
-1:19
23M
23.00 mi15:18:173:56:0810:1614:05
11:15
+0:36
24M
24.00 mi15:29:104:07:0110:1810:53
10:53
-0:22
40K
24.85 mi15:38:264:16:1710:199:16
10:50
-0:03
25.2M
25.20 mi15:42:394:20:3010:204:13
12:14
+1:24
Finish
26.22 mi15:53:064:30:5710:2010:27
10:15
-1:59

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

9:40 /mi

Average Pace

10:20 /mi

Slowest Pace

12:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:19

61% of race

Time at Steady Pace

1:01:10

23% of race

Time at Slower Pace

45:28

17% of race

Average Pace: 10:20 /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 mi11:52:4430:359:5130:35
9:51
#25187
10K
6.21 mi12:23:421:01:339:5430:58
9:58
#25201
15K
9.32 mi12:54:221:32:139:5430:40
9:52
#25037
20K
12.43 mi13:25:062:02:579:5430:44
9:54
#24740
Half
13.11 mi13:31:422:09:339:536:36
9:40
#24705
25K
15.53 mi13:56:012:33:529:5424:19
10:02
#24510
30K
18.64 mi14:29:043:06:5510:0233:03
10:38
#24292
20M
20.00 mi14:44:163:22:0710:0615:12
11:11
#24273
21M
21.00 mi14:56:143:34:0510:1211:58
11:58
#24211
35K
21.75 mi15:04:123:42:0310:137:58
10:39
#24195
23M
23.00 mi15:18:173:56:0810:1614:05
11:15
#24164
24M
24.00 mi15:29:104:07:0110:1810:53
10:53
#24161
40K
24.85 mi15:38:264:16:1710:199:16
10:50
#24114
25.2M
25.20 mi15:42:394:20:3010:204:13
12:14
#24106
Finish
26.22 mi15:53:064:30:5710:2010:27
10:15
#24104
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi25187148201482024703(Top 87%)14581(Top 91%)14581(Top 2282%)
10K6.21 mi3.10 mi25201-1414796+2414796+2425237(Top 89%)14811(Top 92%)14811(Top 2318%)
15K9.32 mi3.11 mi25037+16414729+6714729+6724703(Top 87%)14581(Top 91%)14581(Top 2282%)
20K12.43 mi3.11 mi24740+29714586+14314586+14323990(Top 84%)14227(Top 88%)14227(Top 2226%)
Half13.11 mi0.68 mi24705+3514570+1614570+1624022(Top 85%)14243(Top 88%)14243(Top 2229%)
25K15.53 mi2.42 mi24510+19514460+11014460+11023333(Top 82%)13892(Top 86%)13892(Top 2174%)
30K18.64 mi3.11 mi24292+21814339+12114339+12123247(Top 82%)13725(Top 85%)13725(Top 2148%)
20M20.00 mi1.36 mi24273+1914316+2314316+2323967(Top 84%)13964(Top 87%)13964(Top 2185%)
21M21.00 mi1.00 mi24211+6214270+4614270+4623538(Top 83%)13701(Top 85%)13701(Top 2144%)
35K21.75 mi0.75 mi24195+1614255+1514255+1523467(Top 83%)13619(Top 85%)13619(Top 2131%)
23M23.00 mi1.25 mi24164+3114215+4014215+4023768(Top 84%)13718(Top 85%)13718(Top 2147%)
24M24.00 mi1.00 mi24161+314198+1714198+1723736(Top 84%)13683(Top 85%)13683(Top 2141%)
40K24.85 mi0.85 mi24114+4714161+3714161+3722768(Top 80%)13128(Top 82%)13128(Top 2054%)
25.2M25.20 mi0.35 mi24106+814153+814153+823654(Top 83%)13594(Top 84%)13594(Top 2127%)
Finish26.22 mi1.02 mi24104+2141531415323675(Top 83%)13604(Top 84%)13604(Top 2129%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

24703

Males

14581

M65-69

14581

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

25237

Males

14811

M65-69

14811

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

24703

Males

14581

M65-69

14581

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

23990

Males

14227

M65-69

14227

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

24022

Males

14243

M65-69

14243

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

23333

Males

13892

M65-69

13892

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

23247

Males

13725

M65-69

13725

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

23967

Males

13964

M65-69

13964

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

23538

Males

13701

M65-69

13701

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

23467

Males

13619

M65-69

13619

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

23768

Males

13718

M65-69

13718

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

23736

Males

13683

M65-69

13683

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

22768

Males

13128

M65-69

13128

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23654

Males

13594

M65-69

13594

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

23675

Males

13604

M65-69

13604

Passing Analysis

Category:
Athletes Passed
1697
Passed By
614
Net Change
+1083
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25187
5K → 10K174188-14#25187#25201
10K → 15K21854+164#25201#25037
15K → 20K32225+297#25037#24740
20K → Half4611+35#24740#24705
Half → 25K20914+195#24705#24510
25K → 30K25941+218#24510#24292
30K → 20M7556+19#24292#24273
20M → 21M9634+62#24273#24211
21M → 35K3721+16#24211#24195
35K → 23M8756+31#24195#24164
23M → 24M4441+3#24164#24161
24M → 40K7427+47#24161#24114
40K → 25.2M2012+8#24114#24106
25.2M → Finish3634+2#24106#24104
TOTALS1697614+1083
📊

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