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BOSTON MARATHON 2023

Harrison Grinnan

Bib: 3296•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 9%
Division (M18-39)
#0 / 5285
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:26
Rank: #1279
Start → 5K
19:26 | 6:15/mi
10K· 6.21 mi
38:46
Rank: #1335 (-56)
5K → 10K
19:20 | 6:13/mi
15K· 9.32 mi
58:19
Rank: #1409 (-74)
10K → 15K
19:33 | 6:18/mi
20K· 12.43 mi
1:17:55
Rank: #1382 (+27)
15K → 20K
19:36 | 6:19/mi
Half· 13.11 mi
1:22:08
Rank: #1373 (+9)
20K → Half
4:13 | 6:11/mi
25K· 15.53 mi
1:37:32
Rank: #1385 (-12)
Half → 25K
15:24 | 6:21/mi
30K· 18.64 mi
1:57:45
Rank: #1400 (-15)
25K → 30K
20:13 | 6:30/mi
20M
2:06:33
Rank: #1391 (+9)
30K → 20M
8:48 | 6:29/mi
21M
2:13:18
Rank: #1366 (+25)
20M → 21M
6:45 | 6:45/mi
35K· 21.75 mi
2:18:01
Rank: #1372 (-6)
21M → 35K
4:43 | 6:18/mi
23M
2:26:14
Rank: #1364 (+8)
35K → 23M
8:13 | 6:34/mi
24M
2:32:47
Rank: #1379 (-15)
23M → 24M
6:33 | 6:33/mi
40K· 24.85 mi
2:38:34
Rank: #1399 (-20)
24M → 40K
5:47 | 6:46/mi
25.2M
2:41:01
Rank: #1408 (-9)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:47:48
Rank: #1449 (-41)
25.2M → Finish
6:47 | 6:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:08
Pace6:16 /mi
2nd Half
Distance13.11 mi
Time1:25:40
Pace6:32 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:3819:266:1519:26
6:15
-
10K
6.21 mi10:39:5838:466:1419:20
6:13
-0:02
15K
9.32 mi10:59:3158:196:1519:33
6:18
+0:05
20K
12.43 mi11:19:071:17:556:1619:36
6:19
+0:01
Half
13.11 mi11:23:201:22:086:164:13
6:11
-0:08
25K
15.53 mi11:38:441:37:326:1715:24
6:21
+0:10
30K
18.64 mi11:58:571:57:456:1920:13
6:30
+0:09
20M
20.00 mi12:07:452:06:336:208:48
6:29
-0:01
21M
21.00 mi12:14:302:13:186:216:45
6:45
+0:16
35K
21.75 mi12:19:132:18:016:214:43
6:18
-0:27
23M
23.00 mi12:27:262:26:146:218:13
6:34
+0:16
24M
24.00 mi12:33:592:32:476:226:33
6:33
-0:01
40K
24.85 mi12:39:462:38:346:235:47
6:46
+0:13
25.2M
25.20 mi12:42:132:41:016:232:27
7:06
+0:20
Finish
26.22 mi12:49:002:47:486:246:47
6:39
-0:27

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

6:11 /mi

Average Pace

6:24 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:21

99% of race

Time at Steady Pace

2:27

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:24 /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 mi10:20:3819:266:1519:26
6:15
#1279
10K
6.21 mi10:39:5838:466:1419:20
6:13
#1335
15K
9.32 mi10:59:3158:196:1519:33
6:18
#1409
20K
12.43 mi11:19:071:17:556:1619:36
6:19
#1382
Half
13.11 mi11:23:201:22:086:164:13
6:11
#1373
25K
15.53 mi11:38:441:37:326:1715:24
6:21
#1385
30K
18.64 mi11:58:571:57:456:1920:13
6:30
#1400
20M
20.00 mi12:07:452:06:336:208:48
6:29
#1391
21M
21.00 mi12:14:302:13:186:216:45
6:45
#1366
35K
21.75 mi12:19:132:18:016:214:43
6:18
#1372
23M
23.00 mi12:27:262:26:146:218:13
6:34
#1364
24M
24.00 mi12:33:592:32:476:226:33
6:33
#1379
40K
24.85 mi12:39:462:38:346:235:47
6:46
#1399
25.2M
25.20 mi12:42:132:41:016:232:27
7:06
#1408
Finish
26.22 mi12:49:002:47:486:246:47
6:39
#1449
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1279121312131619(Top 6%)1546(Top 10%)1546(Top 29%)
10K6.21 mi3.10 mi1335-561269-561269-561440(Top 5%)1374(Top 9%)1374(Top 26%)
15K9.32 mi3.11 mi1409-741344-751344-751619(Top 6%)1546(Top 10%)1546(Top 29%)
20K12.43 mi3.11 mi1382+271316+281316+281417(Top 5%)1354(Top 9%)1354(Top 26%)
Half13.11 mi0.68 mi1373+91309+71309+71300(Top 5%)1248(Top 8%)1248(Top 24%)
25K15.53 mi2.42 mi1385-121322-131322-131525(Top 6%)1461(Top 10%)1461(Top 28%)
30K18.64 mi3.11 mi1400-151338-161338-161578(Top 6%)1510(Top 10%)1510(Top 29%)
20M20.00 mi1.36 mi1391+91329+91329+91355(Top 5%)1292(Top 9%)1292(Top 24%)
21M21.00 mi1.00 mi1366+251304+251304+251257(Top 5%)1199(Top 8%)1199(Top 23%)
35K21.75 mi0.75 mi1372-61309-51309-51580(Top 6%)1500(Top 10%)1500(Top 28%)
23M23.00 mi1.25 mi1364+81301+81301+81645(Top 6%)1563(Top 10%)1563(Top 30%)
24M24.00 mi1.00 mi1379-151315-141315-142283(Top 9%)2134(Top 14%)2134(Top 40%)
40K24.85 mi0.85 mi1399-201334-191334-192615(Top 10%)2414(Top 16%)2414(Top 46%)
25.2M25.20 mi0.35 mi1408-91342-81342-82073(Top 8%)1929(Top 13%)1929(Top 36%)
Finish26.22 mi1.02 mi1449-411382-401382-403242(Top 12%)2914(Top 19%)2914(Top 55%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1619

Males

1546

M18-39

1546

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1440

Males

1374

M18-39

1374

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1619

Males

1546

M18-39

1546

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1417

Males

1354

M18-39

1354

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1300

Males

1248

M18-39

1248

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1525

Males

1461

M18-39

1461

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1578

Males

1510

M18-39

1510

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1355

Males

1292

M18-39

1292

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1257

Males

1199

M18-39

1199

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1580

Males

1500

M18-39

1500

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1645

Males

1563

M18-39

1563

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2283

Males

2134

M18-39

2134

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2615

Males

2414

M18-39

2414

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2073

Males

1929

M18-39

1929

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3242

Males

2914

M18-39

2914

Passing Analysis

Category:
Athletes Passed
361
Passed By
531
Net Change
-170
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1279
5K → 10K50106-56#1279#1335
10K → 15K2498-74#1335#1409
15K → 20K5124+27#1409#1382
20K → Half156+9#1382#1373
Half → 25K2537-12#1373#1385
25K → 30K4661-15#1385#1400
30K → 20M2415+9#1400#1391
20M → 21M349+25#1391#1366
21M → 35K1016-6#1366#1372
35K → 23M3123+8#1372#1364
23M → 24M1833-15#1364#1379
24M → 40K1333-20#1379#1399
40K → 25.2M716-9#1399#1408
25.2M → Finish1354-41#1408#1449
TOTALS361531-170
📊

Passing Visuals

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing