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BOSTON MARATHON 2023

Daniel Sunvold

Bib: 1626•M

IA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 1%
Gender (Male)
#0 / 15176
Top 2%
Division (M18-39)
#0 / 5285
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:22
Rank: #544
Start → 5K
18:22 | 5:55/mi
10K· 6.21 mi
36:36
Rank: #535 (+9)
5K → 10K
18:14 | 5:52/mi
15K· 9.32 mi
54:55
Rank: #531 (+4)
10K → 15K
18:19 | 5:54/mi
20K· 12.43 mi
1:13:22
Rank: #500 (+31)
15K → 20K
18:27 | 5:56/mi
Half· 13.11 mi
1:17:20
Rank: #493 (+7)
20K → Half
3:58 | 5:49/mi
25K· 15.53 mi
1:31:36
Rank: #476 (+17)
Half → 25K
14:16 | 5:53/mi
30K· 18.64 mi
1:49:58
Rank: #420 (+56)
25K → 30K
18:22 | 5:55/mi
20M
1:58:04
Rank: #409 (+11)
30K → 20M
8:06 | 5:58/mi
21M
2:04:15
Rank: #395 (+14)
20M → 21M
6:11 | 6:11/mi
35K· 21.75 mi
2:08:39
Rank: #394 (+1)
21M → 35K
4:24 | 5:53/mi
23M
2:16:27
Rank: #401 (-7)
35K → 23M
7:48 | 6:14/mi
24M
2:22:32
Rank: #399 (+2)
23M → 24M
6:05 | 6:05/mi
40K· 24.85 mi
2:27:48
Rank: #396 (+3)
24M → 40K
5:16 | 6:10/mi
25.2M
2:30:10
Rank: #401 (-5)
40K → 25.2M
2:22 | 6:52/mi
Finish· 26.22 mi
2:36:09
Rank: #392 (+9)
25.2M → Finish
5:59 | 5:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:20
Pace5:54 /mi
2nd Half
Distance13.11 mi
Time1:18:49
Pace6:01 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:4918:225:5518:22
5:55
-
10K
6.21 mi10:37:0336:365:5318:14
5:52
-0:03
15K
9.32 mi10:55:2254:555:5418:19
5:54
+0:02
20K
12.43 mi11:13:491:13:225:5418:27
5:56
+0:02
Half
13.11 mi11:17:471:17:205:543:58
5:49
-0:07
25K
15.53 mi11:32:031:31:365:5414:16
5:53
+0:04
30K
18.64 mi11:50:251:49:585:5418:22
5:55
+0:02
20M
20.00 mi11:58:311:58:045:548:06
5:58
+0:03
21M
21.00 mi12:04:422:04:155:556:11
6:11
+0:13
35K
21.75 mi12:09:062:08:395:554:24
5:53
-0:18
23M
23.00 mi12:16:542:16:275:567:48
6:14
+0:21
24M
24.00 mi12:22:592:22:325:566:05
6:05
-0:09
40K
24.85 mi12:28:152:27:485:575:16
6:10
+0:05
25.2M
25.20 mi12:30:372:30:105:582:22
6:52
+0:42
Finish
26.22 mi12:36:362:36:095:585:59
5:52
-1:00

Checkpoints & Pacing

📈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

5:49 /mi

Average Pace

5:58 /mi

Slowest Pace

6:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:47

98% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

2:22

2% of race

Average Pace: 5:57 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:18:4918:225:5518:22
5:55
#544
10K
6.21 mi10:37:0336:365:5318:14
5:52
#535
15K
9.32 mi10:55:2254:555:5418:19
5:54
#531
20K
12.43 mi11:13:491:13:225:5418:27
5:56
#500
Half
13.11 mi11:17:471:17:205:543:58
5:49
#493
25K
15.53 mi11:32:031:31:365:5414:16
5:53
#476
30K
18.64 mi11:50:251:49:585:5418:22
5:55
#420
20M
20.00 mi11:58:311:58:045:548:06
5:58
#409
21M
21.00 mi12:04:422:04:155:556:11
6:11
#395
35K
21.75 mi12:09:062:08:395:554:24
5:53
#394
23M
23.00 mi12:16:542:16:275:567:48
6:14
#401
24M
24.00 mi12:22:592:22:325:566:05
6:05
#399
40K
24.85 mi12:28:152:27:485:575:16
6:10
#396
25.2M
25.20 mi12:30:372:30:105:582:22
6:52
#401
Finish
26.22 mi12:36:362:36:095:585:59
5:52
#392
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi544501501501(Top 2%)459(Top 3%)459(Top 9%)
10K6.21 mi3.10 mi535+9493+8493+8532(Top 2%)490(Top 3%)490(Top 9%)
15K9.32 mi3.11 mi531+4489+4489+4501(Top 2%)459(Top 3%)459(Top 9%)
20K12.43 mi3.11 mi500+31461+28461+28479(Top 2%)440(Top 3%)440(Top 8%)
Half13.11 mi0.68 mi493+7454+7454+7409(Top 2%)378(Top 2%)378(Top 7%)
25K15.53 mi2.42 mi476+17437+17437+17369(Top 1%)341(Top 2%)341(Top 6%)
30K18.64 mi3.11 mi420+56387+50387+50273(Top 1%)249(Top 2%)249(Top 5%)
20M20.00 mi1.36 mi409+11377+10377+10308(Top 1%)283(Top 2%)283(Top 5%)
21M21.00 mi1.00 mi395+14363+14363+14226(Top 0.8%)202(Top 1%)202(Top 4%)
35K21.75 mi0.75 mi394+1362+1362+1473(Top 2%)438(Top 3%)438(Top 8%)
23M23.00 mi1.25 mi401-7367-5367-5663(Top 2%)625(Top 4%)625(Top 12%)
24M24.00 mi1.00 mi399+2365+2365+2709(Top 3%)671(Top 4%)671(Top 13%)
40K24.85 mi0.85 mi396+3362+3362+3580(Top 2%)546(Top 4%)546(Top 10%)
25.2M25.20 mi0.35 mi401-5367-5367-51274(Top 5%)1204(Top 8%)1204(Top 23%)
Finish26.22 mi1.02 mi392+9359+8359+8484(Top 2%)461(Top 3%)461(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

501

Males

459

M18-39

459

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

532

Males

490

M18-39

490

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

501

Males

459

M18-39

459

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

479

Males

440

M18-39

440

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

409

Males

378

M18-39

378

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

369

Males

341

M18-39

341

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

273

Males

249

M18-39

249

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

308

Males

283

M18-39

283

20M→21M

20.0 - 21.0 mi

Top 0.8%
×8stories
+106ft-24ft

Overall

226

Males

202

M18-39

202

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

473

Males

438

M18-39

438

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

663

Males

625

M18-39

625

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

709

Males

671

M18-39

671

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

580

Males

546

M18-39

546

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1274

Males

1204

M18-39

1204

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

484

Males

461

M18-39

461

Passing Analysis

Category:
Athletes Passed
253
Passed By
101
Net Change
+152
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#544
5K → 10K3930+9#544#535
10K → 15K1814+4#535#531
15K → 20K332+31#531#500
20K → Half81+7#500#493
Half → 25K203+17#493#476
25K → 30K582+56#476#420
30K → 20M143+11#420#409
20M → 21M151+14#409#395
21M → 35K54+1#395#394
35K → 23M714-7#394#401
23M → 24M86+2#401#399
24M → 40K129+3#399#396
40K → 25.2M49-5#396#401
25.2M → Finish123+9#401#392
TOTALS253101+152
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing