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BOSTON MARATHON 2026

Jeffery Kimberlin

Bib: 33589•M

LA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M50-54)
#0 / 1868
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
27:26
3.11 mi
Rank: #21839
Start → 5K
27:26 | 8:50/mi
10K
55:06
6.21 mi
Rank: #22129 (-290)
5K → 10K
27:40 | 8:55/mi
15K
1:22:34
9.32 mi
Rank: #22049 (+80)
10K → 15K
27:28 | 8:51/mi
20K
1:50:52
12.43 mi
Rank: #22124 (-75)
15K → 20K
28:18 | 9:07/mi
HALF
1:57:03
13.11 mi
Rank: #22171 (-47)
20K → HALF
6:11 | 9:05/mi
25K
2:19:38
15.53 mi
Rank: #22212 (-41)
HALF → 25K
22:35 | 9:19/mi
30K
2:50:36
18.64 mi
Rank: #22425 (-213)
25K → 30K
30:58 | 9:59/mi
20M
3:05:26
20.00 mi
Rank: #22677 (-252)
30K → 20M
14:50 | 10:56/mi
21M
3:17:29
21.00 mi
Rank: #22851 (-174)
20M → 21M
12:03 | 12:03/mi
35K
3:25:46
21.75 mi
Rank: #22989 (-138)
21M → 35K
8:17 | 11:05/mi
23M
3:39:36
23.00 mi
Rank: #23101 (-112)
35K → 23M
13:50 | 11:04/mi
24M
3:50:58
24.00 mi
Rank: #23237 (-136)
23M → 24M
11:22 | 11:22/mi
40K
4:00:23
24.85 mi
Rank: #23283 (-46)
24M → 40K
9:25 | 11:01/mi
25.2M
4:04:57
25.20 mi
Rank: #23347 (-64)
40K → 25.2M
4:34 | 13:15/mi
FINISH
4:15:08
26.22 mi
Rank: #23337 (+10)
25.2M → FINISH
10:11 | 10:00/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:57:03
Pace8:56 /mi
2nd Half
Distance13.11 mi
Time2:18:05
Pace10:32 /mi
📊Positive Split: 18.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:5027:268:5027:26
8:50
-
10K
6.21 mi12:26:3055:068:5327:40
8:55
+0:05
15K
9.32 mi12:53:581:22:348:5227:28
8:51
-0:04
20K
12.43 mi13:22:161:50:528:5628:18
9:07
+0:16
HALF
13.11 mi13:28:271:57:038:566:11
9:05
-0:02
25K
15.53 mi13:51:022:19:389:0022:35
9:19
+0:14
30K
18.64 mi14:22:002:50:369:1030:58
9:59
+0:40
20M
20.00 mi14:36:503:05:269:1714:50
10:56
+0:57
21M
21.00 mi14:48:533:17:299:2512:03
12:03
+1:07
35K
21.75 mi14:57:103:25:469:288:17
11:05
-0:58
23M
23.00 mi15:11:003:39:369:3313:50
11:04
-0:01
24M
24.00 mi15:22:223:50:589:3811:22
11:22
+0:18
40K
24.85 mi15:31:474:00:239:419:25
11:01
-0:21
25.2M
25.20 mi15:36:214:04:579:444:34
13:15
+2:14
FINISH
26.22 mi15:46:324:15:089:4510:11
10:00
-3:15

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

8:50 /mi

Average Pace

9:44 /mi

Slowest Pace

13:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:19:38

55% of race

Time at Steady Pace

41:09

16% of race

Time at Slower Pace

1:14:21

29% of race

Average Pace: 9:44 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:58:5027:268:5027:26
8:50
#21839
10K
6.21 mi12:26:3055:068:5327:40
8:55
#22129
15K
9.32 mi12:53:581:22:348:5227:28
8:51
#22049
20K
12.43 mi13:22:161:50:528:5628:18
9:07
#22124
HALF
13.11 mi13:28:271:57:038:566:11
9:05
#22171
25K
15.53 mi13:51:022:19:389:0022:35
9:19
#22212
30K
18.64 mi14:22:002:50:369:1030:58
9:59
#22425
20M
20.00 mi14:36:503:05:269:1714:50
10:56
#22677
21M
21.00 mi14:48:533:17:299:2512:03
12:03
#22851
35K
21.75 mi14:57:103:25:469:288:17
11:05
#22989
23M
23.00 mi15:11:003:39:369:3313:50
11:04
#23101
24M
24.00 mi15:22:223:50:589:3811:22
11:22
#23237
40K
24.85 mi15:31:474:00:239:419:25
11:01
#23283
25.2M
25.20 mi15:36:214:04:579:444:34
13:15
#23347
FINISH
26.22 mi15:46:324:15:089:4510:11
10:00
#23337
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi21839131341313421931(Top 76%)13231(Top 81%)13231(Top 708%)
10K6.21 mi3.10 mi22129-29013304-17013304-17022417(Top 77%)13460(Top 82%)13460(Top 721%)
15K9.32 mi3.11 mi22049+8013273+3113273+3121931(Top 76%)13231(Top 81%)13231(Top 708%)
20K12.43 mi3.11 mi22124-7513310-3713310-3722394(Top 77%)13445(Top 82%)13445(Top 720%)
HALF13.11 mi0.68 mi22171-4713336-2613336-2623033(Top 79%)13763(Top 84%)13763(Top 737%)
25K15.53 mi2.42 mi22212-4113352-1613352-1622445(Top 77%)13450(Top 82%)13450(Top 720%)
30K18.64 mi3.11 mi22425-21313424-7213424-7223030(Top 79%)13632(Top 83%)13632(Top 730%)
20M20.00 mi1.36 mi22677-25213527-10313527-10324757(Top 85%)14346(Top 88%)14346(Top 768%)
21M21.00 mi1.00 mi22851-17413599-7213599-7225141(Top 87%)14470(Top 89%)14470(Top 775%)
35K21.75 mi0.75 mi22989-13813652-5313652-5325372(Top 87%)14566(Top 89%)14566(Top 780%)
23M23.00 mi1.25 mi23101-11213693-4113693-4124595(Top 85%)14147(Top 87%)14147(Top 757%)
24M24.00 mi1.00 mi23237-13613759-6613759-6625734(Top 89%)14669(Top 90%)14669(Top 785%)
40K24.85 mi0.85 mi23283-4613765-613765-624279(Top 84%)13916(Top 85%)13916(Top 745%)
25.2M25.20 mi0.35 mi23347-6413798-3313798-3326352(Top 91%)14955(Top 92%)14955(Top 801%)
FINISH26.22 mi1.02 mi23337+1013779+1913779+1923803(Top 82%)13699(Top 84%)13699(Top 733%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21
+97ft-345ft

Overall

21931

Males

13231

M50-54

13231

5K→10K

3.1 - 6.2 mi

Top 77%
×5
+79ft-138ft

Overall

22417

Males

13460

M50-54

13460

10K→15K

6.2 - 9.3 mi

Top 76%
×3
+67ft-78ft

Overall

21931

Males

13231

M50-54

13231

15K→20K

9.3 - 12.4 mi

Top 77%
×5
+106ft-86ft

Overall

22394

Males

13445

M50-54

13445

20K→HALF

12.4 - 13.1 mi

Top 79%
×2
+19ft-37ft

Overall

23033

Males

13763

M50-54

13763

HALF→25K

13.1 - 15.5 mi

Top 77%
×4
+66ft-88ft

Overall

22445

Males

13450

M50-54

13450

25K→30K

15.5 - 18.6 mi

Top 79%
×9
+181ft-148ft

Overall

23030

Males

13632

M50-54

13632

30K→20M

18.6 - 20.0 mi

Top 85%
×5
+64ft-50ft

Overall

24757

Males

14346

M50-54

14346

20M→21M

20.0 - 21.0 mi

Top 87%
×8
+106ft-24ft

Overall

25141

Males

14470

M50-54

14470

21M→35K

21.0 - 21.8 mi

Top 87%
×7
+17ft-86ft

Overall

25372

Males

14566

M50-54

14566

35K→23M

21.8 - 23.0 mi

Top 85%
×5
+23ft-63ft

Overall

24595

Males

14147

M50-54

14147

23M→24M

23.0 - 24.0 mi

Top 89%
×6
+12ft-82ft

Overall

25734

Males

14669

M50-54

14669

24M→40K

24.0 - 24.9 mi

Top 84%
×1
+6ft-20ft

Overall

24279

Males

13916

M50-54

13916

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1
+13ft-16ft

Overall

26352

Males

14955

M50-54

14955

25.2M→FINISH

25.2 - 26.2 mi

Top 82%
×2
+22ft-21ft

Overall

23803

Males

13699

M50-54

13699

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
960*
Passed By
1983
Net Change
-1498
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21839
5K → 10K156200-290#21839#22129
10K → 15K215*135+80#22129#22049
15K → 20K141200-75#22049#22124
20K → HALF1158-47#22124#22171
HALF → 25K110151-41#22171#22212
25K → 30K117200-213#22212#22425
30K → 20M31200-252#22425#22677
20M → 21M23197-174#22677#22851
21M → 35K17155-138#22851#22989
35K → 23M28140-112#22989#23101
23M → 24M19155-136#23101#23237
24M → 40K3480-46#23237#23283
40K → 25.2M1175-64#23283#23347
25.2M → FINISH4737+10#23347#23337
TOTALS960*1983-1498

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing