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BOSTON MARATHON 2025

Stephen Kimball

Bib: 21274•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:01
Rank: #17012
Start → 5K
25:01 | 8:03/mi
10K· 6.21 mi
51:34
Rank: #18600 (-1588)
5K → 10K
26:33 | 8:33/mi
15K· 9.32 mi
1:18:27
Rank: #19131 (-531)
10K → 15K
26:53 | 8:39/mi
20K· 12.43 mi
1:46:21
Rank: #19630 (-499)
15K → 20K
27:54 | 8:59/mi
Half· 13.11 mi
1:52:30
Rank: #19770 (-140)
20K → Half
6:09 | 9:01/mi
25K· 15.53 mi
2:15:15
Rank: #20097 (-327)
Half → 25K
22:45 | 9:23/mi
30K· 18.64 mi
2:47:31
Rank: #20801 (-704)
25K → 30K
32:16 | 10:23/mi
20M
3:02:33
Rank: #21151 (-350)
30K → 20M
15:02 | 11:04/mi
21M
3:14:43
Rank: #21413 (-262)
20M → 21M
12:10 | 12:10/mi
35K· 21.75 mi
3:22:54
Rank: #21579 (-166)
21M → 35K
8:11 | 10:56/mi
23M
3:37:22
Rank: #21793 (-214)
35K → 23M
14:28 | 11:33/mi
24M
3:48:09
Rank: #21877 (-84)
23M → 24M
10:47 | 10:47/mi
40K· 24.85 mi
3:57:56
Rank: #21979 (-102)
24M → 40K
9:47 | 11:27/mi
25.2M
4:02:26
Rank: #22049 (-70)
40K → 25.2M
4:30 | 13:03/mi
Finish· 26.22 mi
4:13:23
Rank: #22160 (-111)
25.2M → Finish
10:57 | 10:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:30
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time2:20:53
Pace10:45 /mi
📊Positive Split: 25.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:4925:018:0325:01
8:03
-
10K
6.21 mi11:45:2251:348:1826:33
8:33
+0:30
15K
9.32 mi12:12:151:18:278:2526:53
8:39
+0:06
20K
12.43 mi12:40:091:46:218:3327:54
8:59
+0:20
Half
13.11 mi12:46:181:52:308:356:09
9:01
+0:02
25K
15.53 mi13:09:032:15:158:4222:45
9:23
+0:22
30K
18.64 mi13:41:192:47:318:5932:16
10:23
+1:00
20M
20.00 mi13:56:213:02:339:0815:02
11:04
+0:41
21M
21.00 mi14:08:313:14:439:1612:10
12:10
+1:06
35K
21.75 mi14:16:423:22:549:208:11
10:56
-1:14
23M
23.00 mi14:31:103:37:229:2714:28
11:33
+0:37
24M
24.00 mi14:41:573:48:099:3010:47
10:47
-0:46
40K
24.85 mi14:51:443:57:569:349:47
11:27
+0:40
25.2M
25.20 mi14:56:144:02:269:374:30
13:03
+1:36
Finish
26.22 mi15:07:114:13:239:4010:57
10:45
-2:18

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

8:03 /mi

Average Pace

9:40 /mi

Slowest Pace

13:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:15

53% of race

Time at Steady Pace

1:27:00

34% of race

Time at Slower Pace

31:08

12% of race

Average Pace: 9:40 /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 mi11:18:4925:018:0325:01
8:03
#17012
10K
6.21 mi11:45:2251:348:1826:33
8:33
#18600
15K
9.32 mi12:12:151:18:278:2526:53
8:39
#19131
20K
12.43 mi12:40:091:46:218:3327:54
8:59
#19630
Half
13.11 mi12:46:181:52:308:356:09
9:01
#19770
25K
15.53 mi13:09:032:15:158:4222:45
9:23
#20097
30K
18.64 mi13:41:192:47:318:5932:16
10:23
#20801
20M
20.00 mi13:56:213:02:339:0815:02
11:04
#21151
21M
21.00 mi14:08:313:14:439:1612:10
12:10
#21413
35K
21.75 mi14:16:423:22:549:208:11
10:56
#21579
23M
23.00 mi14:31:103:37:229:2714:28
11:33
#21793
24M
24.00 mi14:41:573:48:099:3010:47
10:47
#21877
40K
24.85 mi14:51:443:57:569:349:47
11:27
#21979
25.2M
25.20 mi14:56:144:02:269:374:30
13:03
#22049
Finish
26.22 mi15:07:114:13:239:4010:57
10:45
#22160
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17012112211122120227(Top 71%)12613(Top 78%)12613(Top 1002%)
10K6.21 mi3.10 mi18600-158811873-65211873-65220065(Top 71%)12512(Top 78%)12512(Top 994%)
15K9.32 mi3.11 mi19131-53112101-22812101-22820227(Top 71%)12613(Top 78%)12613(Top 1002%)
20K12.43 mi3.11 mi19630-49912313-21212313-21220857(Top 73%)12828(Top 80%)12828(Top 1019%)
Half13.11 mi0.68 mi19770-14012370-5712370-5721869(Top 77%)13293(Top 83%)13293(Top 1056%)
25K15.53 mi2.42 mi20097-32712500-13012500-13021481(Top 76%)13080(Top 81%)13080(Top 1039%)
30K18.64 mi3.11 mi20801-70412757-25712757-25722665(Top 80%)13463(Top 84%)13463(Top 1069%)
20M20.00 mi1.36 mi21151-35012903-14612903-14623709(Top 83%)13852(Top 86%)13852(Top 1100%)
21M21.00 mi1.00 mi21413-26213011-10813011-10823866(Top 84%)13850(Top 86%)13850(Top 1100%)
35K21.75 mi0.75 mi21579-16613076-6513076-6524066(Top 85%)13904(Top 86%)13904(Top 1104%)
23M23.00 mi1.25 mi21793-21413133-5713133-5724347(Top 86%)14016(Top 87%)14016(Top 1113%)
24M24.00 mi1.00 mi21877-8413150-1713150-1723526(Top 83%)13579(Top 84%)13579(Top 1079%)
40K24.85 mi0.85 mi21979-10213178-2813178-2824026(Top 85%)13786(Top 86%)13786(Top 1095%)
25.2M25.20 mi0.35 mi22049-7013201-2313201-2325094(Top 88%)14292(Top 89%)14292(Top 1135%)
Finish26.22 mi1.02 mi22160-11113231-3013231-3024827(Top 87%)14184(Top 88%)14184(Top 1127%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

20227

Males

12613

M60-64

12613

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

20065

Males

12512

M60-64

12512

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

20227

Males

12613

M60-64

12613

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

20857

Males

12828

M60-64

12828

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

21869

Males

13293

M60-64

13293

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

21481

Males

13080

M60-64

13080

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

22665

Males

13463

M60-64

13463

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

23709

Males

13852

M60-64

13852

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

23866

Males

13850

M60-64

13850

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

24066

Males

13904

M60-64

13904

35K→23M

21.8 - 23.0 mi

Top 86%
×5stories
+23ft-63ft

Overall

24347

Males

14016

M60-64

14016

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

23526

Males

13579

M60-64

13579

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24026

Males

13786

M60-64

13786

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

25094

Males

14292

M60-64

14292

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

24827

Males

14184

M60-64

14184

Passing Analysis

Category:
Athletes Passed
518
Passed By
5666
Net Change
-5148
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17012
5K → 10K251613-1588#17012#18600
10K → 15K68599-531#18600#19131
15K → 20K71570-499#19131#19630
20K → Half7147-140#19630#19770
Half → 25K75402-327#19770#20097
25K → 30K73777-704#20097#20801
30K → 20M31381-350#20801#21151
20M → 21M26288-262#21151#21413
21M → 35K20186-166#21413#21579
35K → 23M37251-214#21579#21793
23M → 24M31115-84#21793#21877
24M → 40K20122-102#21877#21979
40K → 25.2M979-70#21979#22049
25.2M → Finish25136-111#22049#22160
TOTALS5185666-5148
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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