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BOSTON MARATHON 2026

Derek Dunstan

Bib: 12053•M

NY

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 42%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 44%
Age Group (M50-54)
#0 / 1868
Top 49%
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
22:15
3.11 mi
Rank: #9841
Start → 5K
22:15 | 7:10/mi
10K
44:37
6.21 mi
Rank: #10017 (-176)
5K → 10K
22:22 | 7:12/mi
15K
1:06:45
9.32 mi
Rank: #9781 (+236)
10K → 15K
22:08 | 7:08/mi
20K
1:29:10
12.43 mi
Rank: #9668 (+113)
15K → 20K
22:25 | 7:13/mi
HALF
1:34:02
13.11 mi
Rank: #9664 (+4)
20K → HALF
4:52 | 7:09/mi
25K
1:51:37
15.53 mi
Rank: #9579 (+85)
HALF → 25K
17:35 | 7:16/mi
30K
2:15:47
18.64 mi
Rank: #9934 (-355)
25K → 30K
24:10 | 7:47/mi
20M
2:26:46
20.00 mi
Rank: #10159 (-225)
30K → 20M
10:59 | 8:06/mi
21M
2:35:25
21.00 mi
Rank: #10409 (-250)
20M → 21M
8:39 | 8:39/mi
35K
2:40:54
21.75 mi
Rank: #10361 (+48)
21M → 35K
5:29 | 7:20/mi
23M
2:51:34
23.00 mi
Rank: #10726 (-365)
35K → 23M
10:40 | 8:32/mi
24M
3:00:02
24.00 mi
Rank: #10982 (-256)
23M → 24M
8:28 | 8:28/mi
40K
3:08:07
24.85 mi
Rank: #11438 (-456)
24M → 40K
8:05 | 9:28/mi
25.2M
3:11:41
25.20 mi
Rank: #11665 (-227)
40K → 25.2M
3:34 | 10:21/mi
FINISH
3:20:41
26.22 mi
Rank: #12068 (-403)
25.2M → FINISH
9:00 | 8:50/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:34:02
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:46:39
Pace8:09 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2522:157:1022:15
7:10
-
10K
6.21 mi11:12:4744:377:1122:22
7:12
+0:02
15K
9.32 mi11:34:551:06:457:1022:08
7:08
-0:04
20K
12.43 mi11:57:201:29:107:1122:25
7:13
+0:05
HALF
13.11 mi12:02:121:34:027:114:52
7:09
-0:04
25K
15.53 mi12:19:471:51:377:1217:35
7:16
+0:07
30K
18.64 mi12:43:572:15:477:1824:10
7:47
+0:31
20M
20.00 mi12:54:562:26:467:2110:59
8:06
+0:19
21M
21.00 mi13:03:352:35:257:258:39
8:39
+0:33
35K
21.75 mi13:09:042:40:547:245:29
7:20
-1:19
23M
23.00 mi13:19:442:51:347:2810:40
8:32
+1:12
24M
24.00 mi13:28:123:00:027:318:28
8:28
-0:04
40K
24.85 mi13:36:173:08:077:358:05
9:28
+1:00
25.2M
25.20 mi13:39:513:11:417:373:34
10:21
+0:53
FINISH
26.22 mi13:48:513:20:417:409:00
8:50
-1:31

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

7:08 /mi

Average Pace

7:40 /mi

Slowest Pace

10:21 /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

1:51:37

56% of race

Time at Steady Pace

40:38

20% of race

Time at Slower Pace

48:26

24% of race

Average Pace: 7:39 /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 mi10:50:2522:157:1022:15
7:10
#9841
10K
6.21 mi11:12:4744:377:1122:22
7:12
#10017
15K
9.32 mi11:34:551:06:457:1022:08
7:08
#9781
20K
12.43 mi11:57:201:29:107:1122:25
7:13
#9668
HALF
13.11 mi12:02:121:34:027:114:52
7:09
#9664
25K
15.53 mi12:19:471:51:377:1217:35
7:16
#9579
30K
18.64 mi12:43:572:15:477:1824:10
7:47
#9934
20M
20.00 mi12:54:562:26:467:2110:59
8:06
#10159
21M
21.00 mi13:03:352:35:257:258:39
8:39
#10409
35K
21.75 mi13:09:042:40:547:245:29
7:20
#10361
23M
23.00 mi13:19:442:51:347:2810:40
8:32
#10726
24M
24.00 mi13:28:123:00:027:318:28
8:28
#10982
40K
24.85 mi13:36:173:08:077:358:05
9:28
#11438
25.2M
25.20 mi13:39:513:11:417:373:34
10:21
#11665
FINISH
26.22 mi13:48:513:20:417:409:00
8:50
#12068
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 mi9841800180019476(Top 33%)7758(Top 47%)7758(Top 415%)
10K6.21 mi3.10 mi10017-1768079-788079-7810259(Top 35%)8193(Top 50%)8193(Top 439%)
15K9.32 mi3.11 mi9781+2367949+1307949+1309476(Top 33%)7758(Top 47%)7758(Top 415%)
20K12.43 mi3.11 mi9668+1137866+837866+839475(Top 33%)7661(Top 47%)7661(Top 410%)
HALF13.11 mi0.68 mi9664+47859+77859+79766(Top 34%)7884(Top 48%)7884(Top 422%)
25K15.53 mi2.42 mi9579+857788+717788+719303(Top 32%)7495(Top 46%)7495(Top 401%)
30K18.64 mi3.11 mi9934-3557897-1097897-10911804(Top 41%)8568(Top 52%)8568(Top 459%)
20M20.00 mi1.36 mi10159-2257978-817978-8113373(Top 46%)9169(Top 56%)9169(Top 491%)
21M21.00 mi1.00 mi10409-2508080-1028080-10214032(Top 48%)9376(Top 57%)9376(Top 502%)
35K21.75 mi0.75 mi10361+488043+378043+379536(Top 33%)7252(Top 44%)7252(Top 388%)
23M23.00 mi1.25 mi10726-3658184-1418184-14115824(Top 55%)10026(Top 61%)10026(Top 537%)
24M24.00 mi1.00 mi10982-2568293-1098293-10916653(Top 57%)10321(Top 63%)10321(Top 553%)
40K24.85 mi0.85 mi11438-4568492-1998492-19920173(Top 70%)11935(Top 73%)11935(Top 639%)
25.2M25.20 mi0.35 mi11665-2278568-768568-7620502(Top 71%)12076(Top 74%)12076(Top 646%)
FINISH26.22 mi1.02 mi12068-4038725-1578725-15719758(Top 68%)11714(Top 72%)11714(Top 627%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21
+97ft-345ft

Overall

9476

Males

7758

M50-54

7758

5K→10K

3.1 - 6.2 mi

Top 35%
×5
+79ft-138ft

Overall

10259

Males

8193

M50-54

8193

10K→15K

6.2 - 9.3 mi

Top 33%
×3
+67ft-78ft

Overall

9476

Males

7758

M50-54

7758

15K→20K

9.3 - 12.4 mi

Top 33%
×5
+106ft-86ft

Overall

9475

Males

7661

M50-54

7661

20K→HALF

12.4 - 13.1 mi

Top 34%
×2
+19ft-37ft

Overall

9766

Males

7884

M50-54

7884

HALF→25K

13.1 - 15.5 mi

Top 32%
×4
+66ft-88ft

Overall

9303

Males

7495

M50-54

7495

25K→30K

15.5 - 18.6 mi

Top 41%
×9
+181ft-148ft

Overall

11804

Males

8568

M50-54

8568

30K→20M

18.6 - 20.0 mi

Top 46%
×5
+64ft-50ft

Overall

13373

Males

9169

M50-54

9169

20M→21M

20.0 - 21.0 mi

Top 48%
×8
+106ft-24ft

Overall

14032

Males

9376

M50-54

9376

21M→35K

21.0 - 21.8 mi

Top 33%
×7
+17ft-86ft

Overall

9536

Males

7252

M50-54

7252

35K→23M

21.8 - 23.0 mi

Top 55%
×5
+23ft-63ft

Overall

15824

Males

10026

M50-54

10026

23M→24M

23.0 - 24.0 mi

Top 57%
×6
+12ft-82ft

Overall

16653

Males

10321

M50-54

10321

24M→40K

24.0 - 24.9 mi

Top 70%
×1
+6ft-20ft

Overall

20173

Males

11935

M50-54

11935

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1
+13ft-16ft

Overall

20502

Males

12076

M50-54

12076

25.2M→FINISH

25.2 - 26.2 mi

Top 68%
×2
+22ft-21ft

Overall

19758

Males

11714

M50-54

11714

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1233*
Passed By
2088
Net Change
-2227
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9841
5K → 10K168200-176#9841#10017
10K → 15K309*73+236#10017#9781
15K → 20K210*97+113#9781#9668
20K → HALF2521+4#9668#9664
HALF → 25K15166+85#9664#9579
25K → 30K87200-355#9579#9934
30K → 20M45200-225#9934#10159
20M → 21M43200-250#10159#10409
21M → 35K7931+48#10409#10361
35K → 23M46200-365#10361#10726
23M → 24M34200-256#10726#10982
24M → 40K14200-456#10982#11438
40K → 25.2M6200-227#11438#11665
25.2M → FINISH16200-403#11665#12068
TOTALS1233*2088-2227

* 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