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BOSTON MARATHON 2025

Keith Stewart

Bib: 8928•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 21%
Masters (Masters Men)
#0 / 10463
Top 8%
Division (M40-44)
#0 / 2247
Top 23%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:38
Rank: #4931
Start → 5K
20:38 | 6:38/mi
10K· 6.21 mi
41:22
Rank: #4977 (-46)
5K → 10K
20:44 | 6:40/mi
15K· 9.32 mi
1:01:57
Rank: #4766 (+211)
10K → 15K
20:35 | 6:38/mi
20K· 12.43 mi
1:22:30
Rank: #4459 (+307)
15K → 20K
20:33 | 6:37/mi
Half· 13.11 mi
1:26:56
Rank: #4416 (+43)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:43:08
Rank: #4285 (+131)
Half → 25K
16:12 | 6:41/mi
30K· 18.64 mi
2:04:14
Rank: #4034 (+251)
25K → 30K
21:06 | 6:47/mi
20M
2:13:34
Rank: #3961 (+73)
30K → 20M
9:20 | 6:52/mi
21M
2:20:49
Rank: #3889 (+72)
20M → 21M
7:15 | 7:15/mi
35K· 21.75 mi
2:25:43
Rank: #3825 (+64)
21M → 35K
4:54 | 6:33/mi
23M
2:34:18
Rank: #3731 (+94)
35K → 23M
8:35 | 6:51/mi
24M
2:41:03
Rank: #3689 (+42)
23M → 24M
6:45 | 6:45/mi
40K· 24.85 mi
2:47:02
Rank: #3657 (+32)
24M → 40K
5:59 | 7:00/mi
25.2M
2:49:41
Rank: #3648 (+9)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
2:56:49
Rank: #3698 (-50)
25.2M → Finish
7:08 | 7:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:56
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:29:53
Pace6:51 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2220:386:3820:38
6:38
-
10K
6.21 mi11:12:0641:226:3920:44
6:40
+0:02
15K
9.32 mi11:32:411:01:576:3920:35
6:38
-0:02
20K
12.43 mi11:53:141:22:306:3820:33
6:37
-0:01
Half
13.11 mi11:57:401:26:566:384:26
6:30
-0:07
25K
15.53 mi12:13:521:43:086:3816:12
6:41
+0:11
30K
18.64 mi12:34:582:04:146:4021:06
6:47
+0:06
20M
20.00 mi12:44:182:13:346:419:20
6:52
+0:05
21M
21.00 mi12:51:332:20:496:427:15
7:15
+0:23
35K
21.75 mi12:56:272:25:436:424:54
6:33
-0:42
23M
23.00 mi13:05:022:34:186:438:35
6:51
+0:18
24M
24.00 mi13:11:472:41:036:436:45
6:45
-0:06
40K
24.85 mi13:17:462:47:026:435:59
7:00
+0:15
25.2M
25.20 mi13:20:252:49:416:442:39
7:41
+0:41
Finish
26.22 mi13:27:332:56:496:457:08
7:00
-0:41

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

6:30 /mi

Average Pace

6:45 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:55

94% of race

Time at Steady Pace

7:15

4% of race

Time at Slower Pace

2:39

1% of race

Average Pace: 6:45 /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 mi10:51:2220:386:3820:38
6:38
#4931
10K
6.21 mi11:12:0641:226:3920:44
6:40
#4977
15K
9.32 mi11:32:411:01:576:3920:35
6:38
#4766
20K
12.43 mi11:53:141:22:306:3820:33
6:37
#4459
Half
13.11 mi11:57:401:26:566:384:26
6:30
#4416
25K
15.53 mi12:13:521:43:086:3816:12
6:41
#4285
30K
18.64 mi12:34:582:04:146:4021:06
6:47
#4034
20M
20.00 mi12:44:182:13:346:419:20
6:52
#3961
21M
21.00 mi12:51:332:20:496:427:15
7:15
#3889
35K
21.75 mi12:56:272:25:436:424:54
6:33
#3825
23M
23.00 mi13:05:022:34:186:438:35
6:51
#3731
24M
24.00 mi13:11:472:41:036:436:45
6:45
#3689
40K
24.85 mi13:17:462:47:026:435:59
7:00
#3657
25.2M
25.20 mi13:20:252:49:416:442:39
7:41
#3648
Finish
26.22 mi13:27:332:56:496:457:08
7:00
#3698
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4931461546154429(Top 16%)4150(Top 26%)4150(Top 185%)
10K6.21 mi3.10 mi4977-464641-264641-265079(Top 18%)4731(Top 29%)4731(Top 211%)
15K9.32 mi3.11 mi4766+2114457+1844457+1844429(Top 16%)4150(Top 26%)4150(Top 185%)
20K12.43 mi3.11 mi4459+3074180+2774180+2773781(Top 13%)3566(Top 22%)3566(Top 159%)
Half13.11 mi0.68 mi4416+434143+374143+373626(Top 13%)3426(Top 21%)3426(Top 152%)
25K15.53 mi2.42 mi4285+1314019+1244019+1243975(Top 14%)3707(Top 23%)3707(Top 165%)
30K18.64 mi3.11 mi4034+2513785+2343785+2343388(Top 12%)3160(Top 20%)3160(Top 141%)
20M20.00 mi1.36 mi3961+733718+673718+673303(Top 12%)3054(Top 19%)3054(Top 136%)
21M21.00 mi1.00 mi3889+723647+713647+713353(Top 12%)3075(Top 19%)3075(Top 137%)
35K21.75 mi0.75 mi3825+643589+583589+582711(Top 10%)2509(Top 16%)2509(Top 112%)
23M23.00 mi1.25 mi3731+943497+923497+922968(Top 10%)2710(Top 17%)2710(Top 121%)
24M24.00 mi1.00 mi3689+423447+503447+503210(Top 11%)2890(Top 18%)2890(Top 129%)
40K24.85 mi0.85 mi3657+323413+343413+343846(Top 14%)3365(Top 21%)3365(Top 150%)
25.2M25.20 mi0.35 mi3648+93403+103403+104191(Top 15%)3547(Top 22%)3547(Top 158%)
Finish26.22 mi1.02 mi3698-503438-353438-355690(Top 20%)4527(Top 28%)4527(Top 201%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4429

Males

4150

M40-44

4150

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

5079

Males

4731

M40-44

4731

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4429

Males

4150

M40-44

4150

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3781

Males

3566

M40-44

3566

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3626

Males

3426

M40-44

3426

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3975

Males

3707

M40-44

3707

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3388

Males

3160

M40-44

3160

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3303

Males

3054

M40-44

3054

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3353

Males

3075

M40-44

3075

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2711

Males

2509

M40-44

2509

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2968

Males

2710

M40-44

2710

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3210

Males

2890

M40-44

2890

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3846

Males

3365

M40-44

3365

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4191

Males

3547

M40-44

3547

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5690

Males

4527

M40-44

4527

Passing Analysis

Category:
Athletes Passed
1774
Passed By
541
Net Change
+1233
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4931
5K → 10K160206-46#4931#4977
10K → 15K23625+211#4977#4766
15K → 20K32114+307#4766#4459
20K → Half463+43#4459#4416
Half → 25K15726+131#4416#4285
25K → 30K28130+251#4285#4034
30K → 20M9118+73#4034#3961
20M → 21M9725+72#3961#3889
21M → 35K706+64#3889#3825
35K → 23M11218+94#3825#3731
23M → 24M7331+42#3731#3689
24M → 40K6028+32#3689#3657
40K → 25.2M3122+9#3657#3648
25.2M → Finish3989-50#3648#3698
TOTALS1774541+1233
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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