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BOSTON MARATHON 2026

John Whitcomb

Bib: 25244β€’M

IA

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0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M70-74)
#0 / 281
Race Day Weather
51Β°/41Β°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
26:27
3.11 mi
Rank: #20158
Start β†’ 5K
26:27 | 8:31/mi
10K
53:37
6.21 mi
Rank: #20921 (-763)
5K β†’ 10K
27:10 | 8:45/mi
15K
1:21:14
9.32 mi
Rank: #21345 (-424)
10K β†’ 15K
27:37 | 8:54/mi
20K
1:50:04
12.43 mi
Rank: #21814 (-469)
15K β†’ 20K
28:50 | 9:17/mi
HALF
1:56:00
13.11 mi
Rank: #21785 (+29)
20K β†’ HALF
5:56 | 8:43/mi
25K
2:20:20
15.53 mi
Rank: #22405 (-620)
HALF β†’ 25K
24:20 | 10:03/mi
30K
2:57:43
18.64 mi
Rank: #23723 (-1318)
25K β†’ 30K
37:23 | 12:02/mi
20M
3:16:48
20.00 mi
Rank: #24422 (-699)
30K β†’ 20M
19:05 | 14:03/mi
21M
3:30:31
21.00 mi
Rank: #24665 (-243)
20M β†’ 21M
13:43 | 13:43/mi
35K
3:39:40
21.75 mi
Rank: #24766 (-101)
21M β†’ 35K
9:09 | 12:14/mi
23M
3:55:31
23.00 mi
Rank: #24984 (-218)
35K β†’ 23M
15:51 | 12:40/mi
24M
4:07:41
24.00 mi
Rank: #25094 (-110)
23M β†’ 24M
12:10 | 12:10/mi
40K
4:18:43
24.85 mi
Rank: #25224 (-130)
24M β†’ 40K
11:02 | 12:55/mi
25.2M
4:23:09
25.20 mi
Rank: #25243 (-19)
40K β†’ 25.2M
4:26 | 12:52/mi
FINISH
4:34:09
26.22 mi
Rank: #25263 (-20)
25.2M β†’ FINISH
11:00 | 10:48/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:56:00
Pace8:51 /mi
2nd Half
Distance13.11 mi
Time2:38:09
Pace12:04 /mi
πŸ“ŠPositive Split: 36.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:32:0626:278:3126:27
8:31
-
10K
6.21 mi11:59:1653:378:3827:10
8:45
+0:14
15K
9.32 mi12:26:531:21:148:4327:37
8:54
+0:09
20K
12.43 mi12:55:431:50:048:5228:50
9:17
+0:23
HALF
13.11 mi13:01:391:56:008:515:56
8:43
-0:34
25K
15.53 mi13:25:592:20:209:0324:20
10:03
+1:20
30K
18.64 mi14:03:222:57:439:3337:23
12:02
+1:59
20M
20.00 mi14:22:273:16:489:5119:05
14:03
+2:01
21M
21.00 mi14:36:103:30:3110:0213:43
13:43
-0:20
35K
21.75 mi14:45:193:39:4010:079:09
12:14
-1:29
23M
23.00 mi15:01:103:55:3110:1515:51
12:40
+0:26
24M
24.00 mi15:13:204:07:4110:2012:10
12:10
-0:30
40K
24.85 mi15:24:224:18:4310:2511:02
12:55
+0:45
25.2M
25.20 mi15:28:484:23:0910:274:26
12:52
-0:03
FINISH
26.22 mi15:39:484:34:0910:2811:00
10:48
-2:04

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

8:31 /mi

Average Pace

10:28 /mi

Slowest Pace

14:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

2:31:20

55% of race

Time at Steady Pace

1:30:01

33% of race

Time at Slower Pace

32:48

12% of race

Average Pace: 10:27 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:32:0626:278:3126:27
8:31
#20158
10K
6.21 mi11:59:1653:378:3827:10
8:45
#20921
15K
9.32 mi12:26:531:21:148:4327:37
8:54
#21345
20K
12.43 mi12:55:431:50:048:5228:50
9:17
#21814
HALF
13.11 mi13:01:391:56:008:515:56
8:43
#21785
25K
15.53 mi13:25:592:20:209:0324:20
10:03
#22405
30K
18.64 mi14:03:222:57:439:3337:23
12:02
#23723
20M
20.00 mi14:22:273:16:489:5119:05
14:03
#24422
21M
21.00 mi14:36:103:30:3110:0213:43
13:43
#24665
35K
21.75 mi14:45:193:39:4010:079:09
12:14
#24766
23M
23.00 mi15:01:103:55:3110:1515:51
12:40
#24984
24M
24.00 mi15:13:204:07:4110:2012:10
12:10
#25094
40K
24.85 mi15:24:224:18:4310:2511:02
12:55
#25224
25.2M
25.20 mi15:28:484:23:0910:274:26
12:52
#25243
FINISH
26.22 mi15:39:484:34:0910:2811:00
10:48
#25263
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi20158123561235622168(Top 76%)13359(Top 82%)13359(Top 4754%)
10K6.21 mi3.10 mi20921-76312728-37212728-37221639(Top 75%)13087(Top 80%)13087(Top 4657%)
15K9.32 mi3.11 mi21345-42412924-19612924-19622168(Top 76%)13359(Top 82%)13359(Top 4754%)
20K12.43 mi3.11 mi21814-46913155-23113155-23123072(Top 80%)13767(Top 84%)13767(Top 4899%)
HALF13.11 mi0.68 mi21785+2913144+1113144+1121351(Top 74%)12984(Top 79%)12984(Top 4621%)
25K15.53 mi2.42 mi22405-62013452-30813452-30824394(Top 84%)14379(Top 88%)14379(Top 5117%)
30K18.64 mi3.11 mi23723-131814065-61314065-61326811(Top 92%)15358(Top 94%)15358(Top 5465%)
20M20.00 mi1.36 mi24422-69914396-33114396-33128137(Top 97%)15919(Top 97%)15919(Top 5665%)
21M21.00 mi1.00 mi24665-24314489-9314489-9327078(Top 93%)15386(Top 94%)15386(Top 5475%)
35K21.75 mi0.75 mi24766-10114529-4014529-4026987(Top 93%)15334(Top 94%)15334(Top 5457%)
23M23.00 mi1.25 mi24984-21814614-8514614-8526978(Top 93%)15299(Top 94%)15299(Top 5444%)
24M24.00 mi1.00 mi25094-11014647-3314647-3326788(Top 92%)15179(Top 93%)15179(Top 5402%)
40K24.85 mi0.85 mi25224-13014694-4714694-4726959(Top 93%)15245(Top 93%)15245(Top 5425%)
25.2M25.20 mi0.35 mi25243-1914693+114693+125833(Top 89%)14705(Top 90%)14705(Top 5233%)
FINISH26.22 mi1.02 mi25263-2014695-214695-225710(Top 89%)14609(Top 89%)14609(Top 5199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
Γ—21
+97ft-345ft

Overall

22168

Males

13359

M70-74

13359

5K→10K

3.1 - 6.2 mi

Top 75%
Γ—5
+79ft-138ft

Overall

21639

Males

13087

M70-74

13087

10K→15K

6.2 - 9.3 mi

Top 76%
Γ—3
+67ft-78ft

Overall

22168

Males

13359

M70-74

13359

15K→20K

9.3 - 12.4 mi

Top 80%
Γ—5
+106ft-86ft

Overall

23072

Males

13767

M70-74

13767

20K→HALF

12.4 - 13.1 mi

Top 74%
Γ—2
+19ft-37ft

Overall

21351

Males

12984

M70-74

12984

HALF→25K

13.1 - 15.5 mi

Top 84%
Γ—4
+66ft-88ft

Overall

24394

Males

14379

M70-74

14379

25K→30K

15.5 - 18.6 mi

Top 92%
Γ—9
+181ft-148ft

Overall

26811

Males

15358

M70-74

15358

30K→20M

18.6 - 20.0 mi

Top 97%
Γ—5
+64ft-50ft

Overall

28137

Males

15919

M70-74

15919

20M→21M

20.0 - 21.0 mi

Top 93%
Γ—8
+106ft-24ft

Overall

27078

Males

15386

M70-74

15386

21M→35K

21.0 - 21.8 mi

Top 93%
Γ—7
+17ft-86ft

Overall

26987

Males

15334

M70-74

15334

35K→23M

21.8 - 23.0 mi

Top 93%
Γ—5
+23ft-63ft

Overall

26978

Males

15299

M70-74

15299

23M→24M

23.0 - 24.0 mi

Top 92%
Γ—6
+12ft-82ft

Overall

26788

Males

15179

M70-74

15179

24M→40K

24.0 - 24.9 mi

Top 93%
Γ—1
+6ft-20ft

Overall

26959

Males

15245

M70-74

15245

40K→25.2M

24.9 - 25.2 mi

Top 89%
Γ—1
+13ft-16ft

Overall

25833

Males

14705

M70-74

14705

25.2M→FINISH

25.2 - 26.2 mi

Top 89%
Γ—2
+22ft-21ft

Overall

25710

Males

14609

M70-74

14609

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
387
Passed By
2067
Net Change
-5105
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#20158
5K β†’ 10K77200-763#20158#20921
10K β†’ 15K72200-424#20921#21345
15K β†’ 20K57200-469#21345#21814
20K β†’ HALF4213+29#21814#21785
HALF β†’ 25K26200-620#21785#22405
25K β†’ 30K11200-1318#22405#23723
30K β†’ 20M4200-699#23723#24422
20M β†’ 21M12200-243#24422#24665
21M β†’ 35K14115-101#24665#24766
35K β†’ 23M12200-218#24766#24984
23M β†’ 24M18128-110#24984#25094
24M β†’ 40K10140-130#25094#25224
40K β†’ 25.2M827-19#25224#25243
25.2M β†’ FINISH2444-20#25243#25263
TOTALS3872067-5105
πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace 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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing