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BOSTON MARATHON 2026

Nathan De Jong

Bib: 29349•M

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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
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
25:36
3.11 mi
Rank: #18467
Start → 5K
25:36 | 8:15/mi
10K
51:11
6.21 mi
Rank: #18624 (-157)
5K → 10K
25:35 | 8:15/mi
15K
1:17:07
9.32 mi
Rank: #18849 (-225)
10K → 15K
25:56 | 8:21/mi
20K
1:43:44
12.43 mi
Rank: #19051 (-202)
15K → 20K
26:37 | 8:35/mi
HALF
1:49:32
13.11 mi
Rank: #19121 (-70)
20K → HALF
5:48 | 8:31/mi
25K
2:10:23
15.53 mi
Rank: #19128 (-7)
HALF → 25K
20:51 | 8:36/mi
30K
2:38:07
18.64 mi
Rank: #19081 (+47)
25K → 30K
27:44 | 8:56/mi
20M
2:50:43
20.00 mi
Rank: #19192 (-111)
30K → 20M
12:36 | 9:17/mi
21M
3:00:23
21.00 mi
Rank: #19186 (+6)
20M → 21M
9:40 | 9:40/mi
35K
3:07:32
21.75 mi
Rank: #19325 (-139)
21M → 35K
7:09 | 9:34/mi
23M
3:19:51
23.00 mi
Rank: #19536 (-211)
35K → 23M
12:19 | 9:51/mi
24M
3:29:30
24.00 mi
Rank: #19693 (-157)
23M → 24M
9:39 | 9:39/mi
40K
3:37:37
24.85 mi
Rank: #19735 (-42)
24M → 40K
8:07 | 9:30/mi
25.2M
3:41:07
25.20 mi
Rank: #19751 (-16)
40K → 25.2M
3:30 | 10:09/mi
FINISH
3:50:02
26.22 mi
Rank: #19743 (+8)
25.2M → FINISH
8:55 | 8:45/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:49:32
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time2:00:30
Pace9:12 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1325:368:1525:36
8:15
-
10K
6.21 mi12:15:4851:118:1525:35
8:15
0:00
15K
9.32 mi12:41:441:17:078:1725:56
8:21
+0:06
20K
12.43 mi13:08:211:43:448:2126:37
8:35
+0:14
HALF
13.11 mi13:14:091:49:328:225:48
8:31
-0:04
25K
15.53 mi13:35:002:10:238:2420:51
8:36
+0:05
30K
18.64 mi14:02:442:38:078:2927:44
8:56
+0:20
20M
20.00 mi14:15:202:50:438:3312:36
9:17
+0:21
21M
21.00 mi14:25:003:00:238:369:40
9:40
+0:23
35K
21.75 mi14:32:093:07:328:387:09
9:34
-0:06
23M
23.00 mi14:44:283:19:518:4212:19
9:51
+0:17
24M
24.00 mi14:54:073:29:308:449:39
9:39
-0:12
40K
24.85 mi15:02:143:37:378:468:07
9:30
-0:09
25.2M
25.20 mi15:05:443:41:078:473:30
10:09
+0:39
FINISH
26.22 mi15:14:393:50:028:478:55
8:45
-1:24

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

8:15 /mi

Average Pace

8:47 /mi

Slowest Pace

10:09 /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

2:10:23

57% of race

Time at Steady Pace

36:39

16% of race

Time at Slower Pace

1:03:00

27% of race

Average Pace: 8:46 /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 mi11:50:1325:368:1525:36
8:15
#18467
10K
6.21 mi12:15:4851:118:1525:35
8:15
#18624
15K
9.32 mi12:41:441:17:078:1725:56
8:21
#18849
20K
12.43 mi13:08:211:43:448:2126:37
8:35
#19051
HALF
13.11 mi13:14:091:49:328:225:48
8:31
#19121
25K
15.53 mi13:35:002:10:238:2420:51
8:36
#19128
30K
18.64 mi14:02:442:38:078:2927:44
8:56
#19081
20M
20.00 mi14:15:202:50:438:3312:36
9:17
#19192
21M
21.00 mi14:25:003:00:238:369:40
9:40
#19186
35K
21.75 mi14:32:093:07:328:387:09
9:34
#19325
23M
23.00 mi14:44:283:19:518:4212:19
9:51
#19536
24M
24.00 mi14:54:073:29:308:449:39
9:39
#19693
40K
24.85 mi15:02:143:37:378:468:07
9:30
#19735
25.2M
25.20 mi15:05:443:41:078:473:30
10:09
#19751
FINISH
26.22 mi15:14:393:50:028:478:55
8:45
#19743
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi18467116121161219265(Top 66%)11995(Top 73%)11995(Top 210%)
10K6.21 mi3.10 mi18624-15711705-9311705-9318765(Top 65%)11795(Top 72%)11795(Top 206%)
15K9.32 mi3.11 mi18849-22511807-10211807-10219265(Top 66%)11995(Top 73%)11995(Top 210%)
20K12.43 mi3.11 mi19051-20211882-7511882-7519684(Top 68%)12149(Top 74%)12149(Top 212%)
HALF13.11 mi0.68 mi19121-7011913-3111913-3120256(Top 70%)12445(Top 76%)12445(Top 217%)
25K15.53 mi2.42 mi19128-711900+1311900+1319155(Top 66%)11866(Top 73%)11866(Top 207%)
30K18.64 mi3.11 mi19081+4711851+4911851+4919218(Top 66%)11809(Top 72%)11809(Top 206%)
20M20.00 mi1.36 mi19192-11111891-4011891-4020164(Top 69%)12190(Top 75%)12190(Top 213%)
21M21.00 mi1.00 mi19186+611869+2211869+2219235(Top 66%)11717(Top 72%)11717(Top 205%)
35K21.75 mi0.75 mi19325-13911916-4711916-4721917(Top 76%)12913(Top 79%)12913(Top 226%)
23M23.00 mi1.25 mi19536-21111979-6311979-6321672(Top 75%)12759(Top 78%)12759(Top 223%)
24M24.00 mi1.00 mi19693-15712038-5912038-5921804(Top 75%)12780(Top 78%)12780(Top 223%)
40K24.85 mi0.85 mi19735-4212049-1112049-1120349(Top 70%)12020(Top 74%)12020(Top 210%)
25.2M25.20 mi0.35 mi19751-1612045+412045+419893(Top 69%)11800(Top 72%)11800(Top 206%)
FINISH26.22 mi1.02 mi19743+812031+1412031+1419385(Top 67%)11562(Top 71%)11562(Top 202%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21
+97ft-345ft

Overall

19265

Males

11995

M18-39

11995

5K→10K

3.1 - 6.2 mi

Top 65%
×5
+79ft-138ft

Overall

18765

Males

11795

M18-39

11795

10K→15K

6.2 - 9.3 mi

Top 66%
×3
+67ft-78ft

Overall

19265

Males

11995

M18-39

11995

15K→20K

9.3 - 12.4 mi

Top 68%
×5
+106ft-86ft

Overall

19684

Males

12149

M18-39

12149

20K→HALF

12.4 - 13.1 mi

Top 70%
×2
+19ft-37ft

Overall

20256

Males

12445

M18-39

12445

HALF→25K

13.1 - 15.5 mi

Top 66%
×4
+66ft-88ft

Overall

19155

Males

11866

M18-39

11866

25K→30K

15.5 - 18.6 mi

Top 66%
×9
+181ft-148ft

Overall

19218

Males

11809

M18-39

11809

30K→20M

18.6 - 20.0 mi

Top 69%
×5
+64ft-50ft

Overall

20164

Males

12190

M18-39

12190

20M→21M

20.0 - 21.0 mi

Top 66%
×8
+106ft-24ft

Overall

19235

Males

11717

M18-39

11717

21M→35K

21.0 - 21.8 mi

Top 76%
×7
+17ft-86ft

Overall

21917

Males

12913

M18-39

12913

35K→23M

21.8 - 23.0 mi

Top 75%
×5
+23ft-63ft

Overall

21672

Males

12759

M18-39

12759

23M→24M

23.0 - 24.0 mi

Top 75%
×6
+12ft-82ft

Overall

21804

Males

12780

M18-39

12780

24M→40K

24.0 - 24.9 mi

Top 70%
×1
+6ft-20ft

Overall

20349

Males

12020

M18-39

12020

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1
+13ft-16ft

Overall

19893

Males

11800

M18-39

11800

25.2M→FINISH

25.2 - 26.2 mi

Top 67%
×2
+22ft-21ft

Overall

19385

Males

11562

M18-39

11562

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1124
Passed By
2400
Net Change
-1276
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18467
5K → 10K203360-157#18467#18624
10K → 15K96321-225#18624#18849
15K → 20K97299-202#18849#19051
20K → HALF1484-70#19051#19121
HALF → 25K114121-7#19121#19128
25K → 30K219172+47#19128#19081
30K → 20M64175-111#19081#19192
20M → 21M8478+6#19192#19186
21M → 35K24163-139#19186#19325
35K → 23M43254-211#19325#19536
23M → 24M36193-157#19536#19693
24M → 40K4688-42#19693#19735
40K → 25.2M2137-16#19735#19751
25.2M → FINISH6355+8#19751#19743
TOTALS11242400-1276
📊

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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing