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BOSTON MARATHON 2023

Frank Yang

Bib: 2421•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 9%
Division (M18-39)
#0 / 5285
Top 22%
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
6:30/mi
20:13
↑ 97↓ 3451.5%
10K· 6.21 mi
6:23/mi
40:03
↑ 79↓ 1380.4%
15K· 9.32 mi
6:25/mi
1:00:00
↑ 67↓ 78
20K· 12.43 mi
6:24/mi
1:19:52
↑ 106↓ 860.1%
Half· 13.11 mi
6:21/mi
1:24:12
↑ 19↓ 370.5%
25K· 15.53 mi
6:26/mi
1:39:47
↑ 66↓ 880.2%
30K· 18.64 mi
6:28/mi
1:59:51
↑ 181↓ 1480.2%
20M
6:27/mi
2:08:37
↑ 64↓ 500.2%
21M
6:45/mi
2:15:22
↑ 106↓ 241.6%
35K· 21.75 mi
6:06/mi
2:19:56
↑ 17↓ 861.7%
23M
6:20/mi
2:27:52
↑ 23↓ 630.6%
24M
6:17/mi
2:34:09
↓ 821.3%
40K· 24.85 mi
6:24/mi
2:39:37
↓ 200.3%
25.2M
6:46/mi
2:41:57
↑ 13↓ 160.2%
Finish· 26.22 mi
6:09/mi
2:48:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:24:12
Pace6:25 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:24:01
Pace6:25 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1420:136:3020:13
6:30
-
10K
6.21 mi10:41:0440:036:2719:50
6:23
-0:07
15K
9.32 mi11:01:011:00:006:2619:57
6:25
+0:02
20K
12.43 mi11:20:531:19:526:2619:52
6:24
-0:01
Half
13.11 mi11:25:131:24:126:254:20
6:21
-0:03
25K
15.53 mi11:40:481:39:476:2515:35
6:26
+0:05
30K
18.64 mi12:00:521:59:516:2620:04
6:28
+0:02
20M
20.00 mi12:09:382:08:376:268:46
6:27
-0:01
21M
21.00 mi12:16:232:15:226:276:45
6:45
+0:18
35K
21.75 mi12:20:572:19:566:264:34
6:06
-0:39
23M
23.00 mi12:28:532:27:526:267:56
6:20
+0:14
24M
24.00 mi12:35:102:34:096:256:17
6:17
-0:03
40K
24.85 mi12:40:382:39:376:255:28
6:24
+0:07
25.2M
25.20 mi12:42:582:41:576:262:20
6:46
+0:22
Finish
26.22 mi12:49:142:48:136:256:16
6:09
-0:37

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

6:06 /mi

Average Pace

6:25 /mi

Slowest Pace

6:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:08

95% of race

Time at Steady Pace

9:05

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:25 /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 mi10:21:1420:136:3020:13
6:30
#2305
10K
6.21 mi10:41:0440:036:2719:50
6:23
#2212
15K
9.32 mi11:01:011:00:006:2619:57
6:25
#2182
20K
12.43 mi11:20:531:19:526:2619:52
6:24
#2059
Half
13.11 mi11:25:131:24:126:254:20
6:21
#2054
25K
15.53 mi11:40:481:39:476:2515:35
6:26
#2007
30K
18.64 mi12:00:521:59:516:2620:04
6:28
#1868
20M
20.00 mi12:09:382:08:376:268:46
6:27
#1801
21M
21.00 mi12:16:232:15:226:276:45
6:45
#1745
35K
21.75 mi12:20:572:19:566:264:34
6:06
#1699
23M
23.00 mi12:28:532:27:526:267:56
6:20
#1634
24M
24.00 mi12:35:102:34:096:256:17
6:17
#1591
40K
24.85 mi12:40:382:39:376:255:28
6:24
#1560
25.2M
25.20 mi12:42:582:41:576:262:20
6:46
#1550
Finish
26.22 mi12:49:142:48:136:256:16
6:09
#1506
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2305219721972202(Top 8%)2111(Top 14%)2111(Top 40%)
10K6.21 mi3.10 mi2212+932116+812116+812147(Top 8%)2056(Top 14%)2056(Top 39%)
15K9.32 mi3.11 mi2182+302092+242092+242202(Top 8%)2111(Top 14%)2111(Top 40%)
20K12.43 mi3.11 mi2059+1231971+1211971+1211768(Top 7%)1692(Top 11%)1692(Top 32%)
Half13.11 mi0.68 mi2054+51967+41967+41962(Top 7%)1885(Top 12%)1885(Top 36%)
25K15.53 mi2.42 mi2007+471924+431924+431819(Top 7%)1742(Top 11%)1742(Top 33%)
30K18.64 mi3.11 mi1868+1391787+1371787+1371405(Top 5%)1345(Top 9%)1345(Top 25%)
20M20.00 mi1.36 mi1801+671721+661721+661287(Top 5%)1226(Top 8%)1226(Top 23%)
21M21.00 mi1.00 mi1745+561670+511670+511258(Top 5%)1200(Top 8%)1200(Top 23%)
35K21.75 mi0.75 mi1699+461626+441626+44961(Top 4%)913(Top 6%)913(Top 17%)
23M23.00 mi1.25 mi1634+651563+631563+63938(Top 4%)893(Top 6%)893(Top 17%)
24M24.00 mi1.00 mi1591+431520+431520+431303(Top 5%)1233(Top 8%)1233(Top 23%)
40K24.85 mi0.85 mi1560+311490+301490+301186(Top 4%)1121(Top 7%)1121(Top 21%)
25.2M25.20 mi0.35 mi1550+101481+91481+91063(Top 4%)1010(Top 7%)1010(Top 19%)
Finish26.22 mi1.02 mi1506+441439+421439+421132(Top 4%)1078(Top 7%)1078(Top 20%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21story building
+97ft-345ft

Overall

2202

Males

2111

M18-39

2111

5K→10K

3.1 - 6.2 mi

Top 8%
×5story building
+79ft-138ft

Overall

2147

Males

2056

M18-39

2056

10K→15K

6.2 - 9.3 mi

Top 8%
×3story building
+67ft-78ft

Overall

2202

Males

2111

M18-39

2111

15K→20K

9.3 - 12.4 mi

Top 7%
×5story building
+106ft-86ft

Overall

1768

Males

1692

M18-39

1692

20K→Half

12.4 - 13.1 mi

Top 7%
×2story building
+19ft-37ft

Overall

1962

Males

1885

M18-39

1885

Half→25K

13.1 - 15.5 mi

Top 7%
×4story building
+66ft-88ft

Overall

1819

Males

1742

M18-39

1742

25K→30K

15.5 - 18.6 mi

Top 5%
×9story building
+181ft-148ft

Overall

1405

Males

1345

M18-39

1345

30K→20M

18.6 - 20.0 mi

Top 5%
×5story building
+64ft-50ft

Overall

1287

Males

1226

M18-39

1226

20M→21M

20.0 - 21.0 mi

Top 5%
×8story building
+106ft-24ft

Overall

1258

Males

1200

M18-39

1200

21M→35K

21.0 - 21.8 mi

Top 4%
×7story building
+17ft-86ft

Overall

961

Males

913

M18-39

913

35K→23M

21.8 - 23.0 mi

Top 4%
×5story building
+23ft-63ft

Overall

938

Males

893

M18-39

893

23M→24M

23.0 - 24.0 mi

Top 5%
×6story building
+12ft-82ft

Overall

1303

Males

1233

M18-39

1233

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1186

Males

1121

M18-39

1121

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1063

Males

1010

M18-39

1010

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2story building
+22ft-21ft

Overall

1132

Males

1078

M18-39

1078

Passing Analysis

Category:
Athletes Passed
1023
Passed By
224
Net Change
+799
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2305
5K → 10K16471+93#2305#2212
10K → 15K8656+30#2212#2182
15K → 20K13310+123#2182#2059
20K → Half149+5#2059#2054
Half → 25K7124+47#2054#2007
25K → 30K1489+139#2007#1868
30K → 20M769+67#1868#1801
20M → 21M615+56#1801#1745
21M → 35K471+46#1745#1699
35K → 23M705+65#1699#1634
23M → 24M5411+43#1634#1591
24M → 40K398+31#1591#1560
40K → 25.2M133+10#1560#1550
25.2M → Finish473+44#1550#1506
TOTALS1023224+799
📊

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