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BOSTON MARATHON 2026

David Groen

Bib: 16463β€’M

OH

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 45%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 47%
Age Group (M55-59)
#0 / 1491
Top 37%
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
23:13
3.11 mi
Rank: #12530
Start β†’ 5K
23:13 | 7:29/mi
10K
46:34
6.21 mi
Rank: #12785 (-255)
5K β†’ 10K
23:21 | 7:31/mi
15K
1:10:46
9.32 mi
Rank: #13612 (-827)
10K β†’ 15K
24:12 | 7:48/mi
20K
1:34:41
12.43 mi
Rank: #13587 (+25)
15K β†’ 20K
23:55 | 7:42/mi
HALF
1:39:47
13.11 mi
Rank: #13551 (+36)
20K β†’ HALF
5:06 | 7:29/mi
25K
1:59:12
15.53 mi
Rank: #13837 (-286)
HALF β†’ 25K
19:25 | 8:01/mi
30K
2:23:44
18.64 mi
Rank: #13601 (+236)
25K β†’ 30K
24:32 | 7:54/mi
20M
2:34:42
20.00 mi
Rank: #13546 (+55)
30K β†’ 20M
10:58 | 8:05/mi
21M
2:43:07
21.00 mi
Rank: #13482 (+64)
20M β†’ 21M
8:25 | 8:25/mi
35K
2:48:51
21.75 mi
Rank: #13407 (+75)
21M β†’ 35K
5:44 | 7:40/mi
23M
2:58:42
23.00 mi
Rank: #13267 (+140)
35K β†’ 23M
9:51 | 7:53/mi
24M
3:06:25
24.00 mi
Rank: #13188 (+79)
23M β†’ 24M
7:43 | 7:43/mi
40K
3:13:10
24.85 mi
Rank: #13110 (+78)
24M β†’ 40K
6:45 | 7:54/mi
25.2M
3:16:06
25.20 mi
Rank: #13070 (+40)
40K β†’ 25.2M
2:56 | 8:31/mi
FINISH
3:24:02
26.22 mi
Rank: #13078 (-8)
25.2M β†’ FINISH
7:56 | 7:48/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:39:47
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:44:15
Pace7:58 /mi
πŸ“ŠPositive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:04:2823:137:2923:13
7:29
-
10K
6.21 mi11:27:4946:347:3023:21
7:31
+0:02
15K
9.32 mi11:52:011:10:467:3624:12
7:48
+0:17
20K
12.43 mi12:15:561:34:417:3823:55
7:42
-0:06
HALF
13.11 mi12:21:021:39:477:375:06
7:29
-0:13
25K
15.53 mi12:40:271:59:127:4119:25
8:01
+0:32
30K
18.64 mi13:04:592:23:447:4324:32
7:54
-0:07
20M
20.00 mi13:15:572:34:427:4510:58
8:05
+0:11
21M
21.00 mi13:24:222:43:077:478:25
8:25
+0:20
35K
21.75 mi13:30:062:48:517:465:44
7:40
-0:45
23M
23.00 mi13:39:572:58:427:479:51
7:53
+0:13
24M
24.00 mi13:47:403:06:257:477:43
7:43
-0:10
40K
24.85 mi13:54:253:13:107:476:45
7:54
+0:11
25.2M
25.20 mi13:57:213:16:067:472:56
8:31
+0:37
FINISH
26.22 mi14:05:173:24:027:487:56
7:48
-0:43

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

7:29 /mi

Average Pace

7:47 /mi

Slowest Pace

8:31 /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

3:12:41

94% of race

Time at Steady Pace

11:21

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:47 /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 mi11:04:2823:137:2923:13
7:29
#12530
10K
6.21 mi11:27:4946:347:3023:21
7:31
#12785
15K
9.32 mi11:52:011:10:467:3624:12
7:48
#13612
20K
12.43 mi12:15:561:34:417:3823:55
7:42
#13587
HALF
13.11 mi12:21:021:39:477:375:06
7:29
#13551
25K
15.53 mi12:40:271:59:127:4119:25
8:01
#13837
30K
18.64 mi13:04:592:23:447:4324:32
7:54
#13601
20M
20.00 mi13:15:572:34:427:4510:58
8:05
#13546
21M
21.00 mi13:24:222:43:077:478:25
8:25
#13482
35K
21.75 mi13:30:062:48:517:465:44
7:40
#13407
23M
23.00 mi13:39:572:58:427:479:51
7:53
#13267
24M
24.00 mi13:47:403:06:257:477:43
7:43
#13188
40K
24.85 mi13:54:253:13:107:476:45
7:54
#13110
25.2M
25.20 mi13:57:213:16:067:472:56
8:31
#13070
FINISH
26.22 mi14:05:173:24:027:487:56
7:48
#13078
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi125309267926715241(Top 53%)10280(Top 63%)10280(Top 689%)
10K6.21 mi3.10 mi12785-2559351-849351-8413078(Top 45%)9441(Top 58%)9441(Top 633%)
15K9.32 mi3.11 mi13612-8279670-3199670-31915241(Top 53%)10280(Top 63%)10280(Top 689%)
20K12.43 mi3.11 mi13587+259635+359635+3513683(Top 47%)9592(Top 59%)9592(Top 643%)
HALF13.11 mi0.68 mi13551+369614+219614+2112821(Top 44%)9290(Top 57%)9290(Top 623%)
25K15.53 mi2.42 mi13837-2869713-999713-9915433(Top 53%)10268(Top 63%)10268(Top 689%)
30K18.64 mi3.11 mi13601+2369573+1409573+14012697(Top 44%)8973(Top 55%)8973(Top 602%)
20M20.00 mi1.36 mi13546+559522+519522+5113285(Top 46%)9140(Top 56%)9140(Top 613%)
21M21.00 mi1.00 mi13482+649470+529470+5212568(Top 43%)8704(Top 53%)8704(Top 584%)
35K21.75 mi0.75 mi13407+759422+489422+4812046(Top 42%)8458(Top 52%)8458(Top 567%)
23M23.00 mi1.25 mi13267+1409340+829340+8211521(Top 40%)8126(Top 50%)8126(Top 545%)
24M24.00 mi1.00 mi13188+799289+519289+5111649(Top 40%)8093(Top 50%)8093(Top 543%)
40K24.85 mi0.85 mi13110+789236+539236+5311732(Top 40%)8059(Top 49%)8059(Top 541%)
25.2M25.20 mi0.35 mi13070+409208+289208+2811613(Top 40%)7908(Top 48%)7908(Top 530%)
FINISH26.22 mi1.02 mi13078-89174+349174+3413640(Top 47%)8853(Top 54%)8853(Top 594%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
Γ—21
+97ft-345ft

Overall

15241

Males

10280

M55-59

10280

5K→10K

3.1 - 6.2 mi

Top 45%
Γ—5
+79ft-138ft

Overall

13078

Males

9441

M55-59

9441

10K→15K

6.2 - 9.3 mi

Top 53%
Γ—3
+67ft-78ft

Overall

15241

Males

10280

M55-59

10280

15K→20K

9.3 - 12.4 mi

Top 47%
Γ—5
+106ft-86ft

Overall

13683

Males

9592

M55-59

9592

20K→HALF

12.4 - 13.1 mi

Top 44%
Γ—2
+19ft-37ft

Overall

12821

Males

9290

M55-59

9290

HALF→25K

13.1 - 15.5 mi

Top 53%
Γ—4
+66ft-88ft

Overall

15433

Males

10268

M55-59

10268

25K→30K

15.5 - 18.6 mi

Top 44%
Γ—9
+181ft-148ft

Overall

12697

Males

8973

M55-59

8973

30K→20M

18.6 - 20.0 mi

Top 46%
Γ—5
+64ft-50ft

Overall

13285

Males

9140

M55-59

9140

20M→21M

20.0 - 21.0 mi

Top 43%
Γ—8
+106ft-24ft

Overall

12568

Males

8704

M55-59

8704

21M→35K

21.0 - 21.8 mi

Top 42%
Γ—7
+17ft-86ft

Overall

12046

Males

8458

M55-59

8458

35K→23M

21.8 - 23.0 mi

Top 40%
Γ—5
+23ft-63ft

Overall

11521

Males

8126

M55-59

8126

23M→24M

23.0 - 24.0 mi

Top 40%
Γ—6
+12ft-82ft

Overall

11649

Males

8093

M55-59

8093

24M→40K

24.0 - 24.9 mi

Top 40%
Γ—1
+6ft-20ft

Overall

11732

Males

8059

M55-59

8059

40K→25.2M

24.9 - 25.2 mi

Top 40%
Γ—1
+13ft-16ft

Overall

11613

Males

7908

M55-59

7908

25.2M→FINISH

25.2 - 26.2 mi

Top 47%
Γ—2
+22ft-21ft

Overall

13640

Males

8853

M55-59

8853

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1620*
Passed By
1134
Net Change
-548
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#12530
5K β†’ 10K163200-255#12530#12785
10K β†’ 15K44200-827#12785#13612
15K β†’ 20K178153+25#13612#13587
20K β†’ HALF5620+36#13587#13551
HALF β†’ 25K59200-286#13551#13837
25K β†’ 30K298*62+236#13837#13601
30K β†’ 20M11863+55#13601#13546
20M β†’ 21M12258+64#13546#13482
21M β†’ 35K8813+75#13482#13407
35K β†’ 23M16727+140#13407#13267
23M β†’ 24M10324+79#13267#13188
24M β†’ 40K10022+78#13188#13110
40K β†’ 25.2M5111+40#13110#13070
25.2M β†’ FINISH7381-8#13070#13078
TOTALS1620*1134-548

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

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing