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BOSTON MARATHON 2023

Hiroki Tokunaga

Bib: 2684•M

IN

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 14%
Division (M18-39)
#0 / 5285
Top 31%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:16/mi
19:28
↑ 97↓ 3451.5%
10K· 6.21 mi
6:11/mi
38:40
↑ 79↓ 1380.4%
15K· 9.32 mi
6:17/mi
58:10
↑ 67↓ 78
20K· 12.43 mi
6:28/mi
1:18:15
↑ 106↓ 860.1%
Half· 13.11 mi
6:21/mi
1:22:35
↑ 19↓ 370.5%
25K· 15.53 mi
6:36/mi
1:38:35
↑ 66↓ 880.2%
30K· 18.64 mi
6:46/mi
1:59:35
↑ 181↓ 1480.2%
20M
6:48/mi
2:08:50
↑ 64↓ 500.2%
21M
7:39/mi
2:16:29
↑ 106↓ 241.6%
35K· 21.75 mi
6:30/mi
2:21:21
↑ 17↓ 861.7%
23M
6:59/mi
2:30:06
↑ 23↓ 630.6%
24M
6:48/mi
2:36:54
↓ 821.3%
40K· 24.85 mi
6:58/mi
2:42:51
↓ 200.3%
25.2M
7:50/mi
2:45:33
↑ 13↓ 160.2%
Finish· 26.22 mi
6:49/mi
2:52:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:35
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:29:55
Pace6:52 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2619:286:1619:28
6:16
-
10K
6.21 mi10:39:3838:406:1319:12
6:11
-0:05
15K
9.32 mi10:59:0858:106:1419:30
6:17
+0:06
20K
12.43 mi11:19:131:18:156:1820:05
6:28
+0:11
Half
13.11 mi11:23:331:22:356:184:20
6:21
-0:07
25K
15.53 mi11:39:331:38:356:2116:00
6:36
+0:15
30K
18.64 mi12:00:331:59:356:2521:00
6:46
+0:10
20M
20.00 mi12:09:482:08:506:269:15
6:48
+0:02
21M
21.00 mi12:17:272:16:296:307:39
7:39
+0:51
35K
21.75 mi12:22:192:21:216:304:52
6:30
-1:09
23M
23.00 mi12:31:042:30:066:328:45
6:59
+0:29
24M
24.00 mi12:37:522:36:546:326:48
6:48
-0:11
40K
24.85 mi12:43:492:42:516:335:57
6:58
+0:10
25.2M
25.20 mi12:46:312:45:336:342:42
7:50
+0:52
Finish
26.22 mi12:53:282:52:306:356:57
6:49
-1:01

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

6:35 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:27

51% of race

Time at Steady Pace

1:14:42

43% of race

Time at Slower Pace

10:21

6% of race

Average Pace: 6:35 /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 mi10:20:2619:286:1619:28
6:16
#1325
10K
6.21 mi10:39:3838:406:1319:12
6:11
#1269
15K
9.32 mi10:59:0858:106:1419:30
6:17
#1329
20K
12.43 mi11:19:131:18:156:1820:05
6:28
#1508
Half
13.11 mi11:23:331:22:356:184:20
6:21
#1539
25K
15.53 mi11:39:331:38:356:2116:00
6:36
#1689
30K
18.64 mi12:00:331:59:356:2521:00
6:46
#1806
20M
20.00 mi12:09:482:08:506:269:15
6:48
#1867
21M
21.00 mi12:17:272:16:296:307:39
7:39
#2002
35K
21.75 mi12:22:192:21:216:304:52
6:30
#2015
23M
23.00 mi12:31:042:30:066:328:45
6:59
#2062
24M
24.00 mi12:37:522:36:546:326:48
6:48
#2106
40K
24.85 mi12:43:492:42:516:335:57
6:58
#2137
25.2M
25.20 mi12:46:312:45:336:342:42
7:50
#2171
Finish
26.22 mi12:53:282:52:306:356:57
6:49
#2197
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1325125912591558(Top 6%)1487(Top 10%)1487(Top 28%)
10K6.21 mi3.10 mi1269+561204+551204+551272(Top 5%)1209(Top 8%)1209(Top 23%)
15K9.32 mi3.11 mi1329-601265-611265-611558(Top 6%)1487(Top 10%)1487(Top 28%)
20K12.43 mi3.11 mi1508-1791440-1751440-1752095(Top 8%)2010(Top 13%)2010(Top 38%)
Half13.11 mi0.68 mi1539-311470-301470-302011(Top 8%)1934(Top 13%)1934(Top 37%)
25K15.53 mi2.42 mi1689-1501617-1471617-1472685(Top 10%)2569(Top 17%)2569(Top 49%)
30K18.64 mi3.11 mi1806-1171728-1111728-1112726(Top 10%)2588(Top 17%)2588(Top 49%)
20M20.00 mi1.36 mi1867-611786-581786-582829(Top 11%)2664(Top 18%)2664(Top 50%)
21M21.00 mi1.00 mi2002-1351918-1321918-1325320(Top 20%)4692(Top 31%)4692(Top 89%)
35K21.75 mi0.75 mi2015-131931-131931-132419(Top 9%)2291(Top 15%)2291(Top 43%)
23M23.00 mi1.25 mi2062-471978-471978-473697(Top 14%)3411(Top 22%)3411(Top 65%)
24M24.00 mi1.00 mi2106-442021-432021-433615(Top 14%)3314(Top 22%)3314(Top 63%)
40K24.85 mi0.85 mi2137-312051-302051-303591(Top 13%)3255(Top 21%)3255(Top 62%)
25.2M25.20 mi0.35 mi2171-342084-332084-335421(Top 20%)4520(Top 30%)4520(Top 86%)
Finish26.22 mi1.02 mi2197-262105-212105-214154(Top 16%)3658(Top 24%)3658(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21story building
+97ft-345ft

Overall

1558

Males

1487

M18-39

1487

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1272

Males

1209

M18-39

1209

10K→15K

6.2 - 9.3 mi

Top 6%
×3story building
+67ft-78ft

Overall

1558

Males

1487

M18-39

1487

15K→20K

9.3 - 12.4 mi

Top 8%
×5story building
+106ft-86ft

Overall

2095

Males

2010

M18-39

2010

20K→Half

12.4 - 13.1 mi

Top 8%
×2story building
+19ft-37ft

Overall

2011

Males

1934

M18-39

1934

Half→25K

13.1 - 15.5 mi

Top 10%
×4story building
+66ft-88ft

Overall

2685

Males

2569

M18-39

2569

25K→30K

15.5 - 18.6 mi

Top 10%
×9story building
+181ft-148ft

Overall

2726

Males

2588

M18-39

2588

30K→20M

18.6 - 20.0 mi

Top 11%
×5story building
+64ft-50ft

Overall

2829

Males

2664

M18-39

2664

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5320

Males

4692

M18-39

4692

21M→35K

21.0 - 21.8 mi

Top 9%
×7story building
+17ft-86ft

Overall

2419

Males

2291

M18-39

2291

35K→23M

21.8 - 23.0 mi

Top 14%
×5story building
+23ft-63ft

Overall

3697

Males

3411

M18-39

3411

23M→24M

23.0 - 24.0 mi

Top 14%
×6story building
+12ft-82ft

Overall

3615

Males

3314

M18-39

3314

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3591

Males

3255

M18-39

3255

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5421

Males

4520

M18-39

4520

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4154

Males

3658

M18-39

3658

Passing Analysis

Category:
Athletes Passed
297
Passed By
1169
Net Change
-872
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1325
5K → 10K10953+56#1325#1269
10K → 15K2585-60#1269#1329
15K → 20K10189-179#1329#1508
20K → Half233-31#1508#1539
Half → 25K11161-150#1539#1689
25K → 30K28145-117#1689#1806
30K → 20M1778-61#1806#1867
20M → 21M7142-135#1867#2002
21M → 35K1427-13#2002#2015
35K → 23M2572-47#2015#2062
23M → 24M1660-44#2062#2106
24M → 40K1445-31#2106#2137
40K → 25.2M337-34#2137#2171
25.2M → Finish1642-26#2171#2197
TOTALS2971169-872
📊

Passing Visuals

Category:
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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